WO2023113393A1 - 발현 효율을 증가시킨 핵산 발현 플랫폼 - Google Patents
발현 효율을 증가시킨 핵산 발현 플랫폼 Download PDFInfo
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- WO2023113393A1 WO2023113393A1 PCT/KR2022/020062 KR2022020062W WO2023113393A1 WO 2023113393 A1 WO2023113393 A1 WO 2023113393A1 KR 2022020062 W KR2022020062 W KR 2022020062W WO 2023113393 A1 WO2023113393 A1 WO 2023113393A1
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/67—General methods for enhancing the expression
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
- A61K48/005—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the 'active' part of the composition delivered, i.e. the nucleic acid delivered
- A61K48/0066—Manipulation of the nucleic acid to modify its expression pattern, e.g. enhance its duration of expression, achieved by the presence of particular introns in the delivered nucleic acid
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- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
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- C12N2830/00—Vector systems having a special element relevant for transcription
- C12N2830/50—Vector systems having a special element relevant for transcription regulating RNA stability, not being an intron, e.g. poly A signal
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- C12N2840/00—Vectors comprising a special translation-regulating system
- C12N2840/10—Vectors comprising a special translation-regulating system regulates levels of translation
Definitions
- the present disclosure relates to a nucleic acid expression platform, and more particularly, to a nucleic acid molecule having increased expression efficiency and a nucleic acid expression platform or nucleic acid expression system, such as a recombinant expression vector including the nucleic acid molecule.
- the cell-based expression system uses the expression system of microorganisms or eukaryotes, and the cell-free expression system uses purified RNA polymerase, ribosome, and tRNA and ribonucleotides are common.
- post-translational modification such as phosphorylation, methylation, and glycosylation
- phosphorylation occurs even after expression of proteins derived from eukaryotic cells, but microorganisms do not have such post-translational modification mechanisms. Therefore, in the case of expressing eukaryotic cell-derived proteins, a eukaryotic cell expression system must be used.
- Eukaryotic cell-induced expression systems can be used as gene therapy or nucleic acid vaccines.
- gene therapy a gene of interest consisting of an open reading frame (ORF) encoding a peptide or protein capable of treating various diseases is inserted into an expression system.
- ORF open reading frame
- nucleic acid vaccine a gene of interest consisting of an open reading frame encoding a peptide or protein that can be expressed as an antigen is inserted into an expression system.
- a nucleic acid expression system capable of improving the expression efficiency of a gene of interest is continuously required in the related art.
- An object of the present disclosure is to provide a nucleic acid expression platform or nucleic acid expression system capable of improving the expression efficiency of a gene of interest.
- a translation control element and a coding region operably linked to the translation control element, wherein the translation control element comprises an upstream translation control element located upstream of the coding region and a coding region located downstream of the coding region.
- a nucleic acid molecule comprising a downstream translational regulatory element, wherein the downstream translational regulatory element comprises a plurality of downstream translational regulatory elements is disclosed.
- the downstream translation control element may include a first downstream translation control element and a second downstream translation control element located downstream of the coding region.
- the plurality of downstream translation control elements are human troponin T1, solo skeletal type (human TNNT1), human albumin, and human ferritin light chain, respectively.
- human FTL human C-C motif chemokine ligand
- human CCL19 human associated migratory cell protein
- human AAMP human ribosomal protein S27
- human DEFA5 human defensing alpha 5
- It may include a translation control element derived from one gene or a transcript sequence thereof.
- the plurality of downstream translational regulatory elements are each independently SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, and a translation control element selected from the group consisting of SEQ ID NO: 11, SEQ ID NO: 12, SEQ ID NO: 13, and SEQ ID NO: 14, or a transcript sequence thereof.
- the first downstream translation control element includes the human TNNT1-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human albumin, the human FTL, or the human CCL19.
- the human AAMP, the human RPS27, and the human DEFA5 may include a translation control element or transcript sequence thereof derived from any one selected from the group consisting of.
- the first downstream translational control element includes the human albumin-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human DEFA5-derived translation control element or its transcript sequence. may include transcript sequences.
- the first downstream translational regulatory element comprises a translational regulatory element derived from the human FTL or a transcript sequence thereof
- the second downstream translational regulatory element comprises the human TNNT1, the human FTL, the It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of human RPS27 and human DEFA5.
- the first downstream translational regulatory element comprises the human CCL19-derived translational regulatory element or a transcript sequence thereof
- the second downstream translational regulatory element comprises the human TNNT1, the human FTL, the It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of human CCL19, the human RPS27, and the human DEFA5.
- the first downstream translation control element includes the human AAMP-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human albumin, the human FTL, the It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of human RPS27 and human DEFA5.
- the first downstream translation control element includes the human RPS27-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human TNNT1, the human albumin, the It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of human FTL, the human CCL19, the human AAMP, the human RPS27, and the human DEFA5.
- the first downstream translational control element includes the human DEFA5-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human TNNT1, the human albumin, the It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of human FTL, the human CCL19, the human AAMP, and the human RPS27.
- the downstream translation control element may further include a third downstream translation control element positioned downstream of the second downstream translation control element.
- the third downstream translation control element is human troponin T1, solo skeletal type (TNNT1), human albumin, human ferritin light chain (FTL), human C-C motif chemokine ligand (CCL19), human associated migratory cell protein (AAMP), human ribosomal It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of protein S27 (RPS27) and human defensing alpha 5 (DEFA5).
- RPS27 protein S27
- DEFA5 human defensing alpha 5
- the first downstream translation control element includes the human TNNT1-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human DEFA5-derived translation control element or a transcript sequence thereof
- the third downstream translation control element may include a translation control element derived from human FTL or human RPS27 or a transcript sequence thereof.
- the first downstream translational control element includes the human albumin-derived translation control element or a transcript sequence thereof
- the second downstream translation control element includes the human DEFA5-derived translation control element or its transcript sequence. and a transcript sequence
- the third downstream translation control element may include a translation control element derived from human RPS27 or a transcript sequence thereof.
- the first downstream translational regulatory element comprises a translational regulatory element derived from human RPS27 or a transcript sequence thereof
- the second downstream translational regulatory element comprises a translational regulatory element derived from human FTL or a transcript sequence thereof. It includes a transcript sequence
- the third downstream translation control element may include a translation control element derived from any one selected from the group consisting of human CCL19, human RPS27, and human DEFA5, or a transcript sequence thereof.
- the first downstream translation control element comprises a human DEFA5-derived transcriptional translation control element or a transcript sequence thereof
- the second downstream translation control element comprises the human TNNT1-derived translation control element or and a transcript sequence thereof
- the third downstream translation control element may include a translation control element derived from the human FTL or a transcript sequence thereof.
- the upstream translation control elements include human troponin T1, solo skeletal type (human TNNT1), human albumin, human ferritin light chain (human FTL), human C-C motif chemokine ligand (human CCL19), human associated migratory cell protein (human AAMP), It may include a translation control element or transcript sequence thereof derived from any one selected from the group consisting of human ribosomal protein S27 (human RPS27) and human defensing alpha 5 (human DEFA5).
- the upstream translational regulatory elements are SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6 and SEQ ID NO: 7 It may include a translational control element or a transcript sequence thereof selected from the group consisting of.
- the nucleic acid molecule may be RNA.
- the nucleic acid molecule may further include a transcriptional regulatory element operably linked to the coding region.
- the nucleic acid molecule may further comprise a polyadenylation signal sequence or polyadenosine sequence located downstream of the downstream translation control sequence.
- the coding region may encode at least one of a reporter protein or fragment thereof, and a marker or selection protein or fragment thereof.
- the coding region may encode an antigen or fragment thereof.
- the antigen may include a pathogenic antigen, a tumor antigen, or a peptide that is a variant or derivative thereof.
- the coding region may encode a peptide or fragment thereof for treating a disease.
- a recombinant expression vector into which the aforementioned nucleic acid molecule has been inserted is disclosed.
- a method for preparing a protein or peptide by injecting the aforementioned nucleic acid molecule or a recombinant expression vector into which the aforementioned nucleic acid molecule is inserted into a living body and expressing a protein or peptide from the injected nucleic acid molecule is disclosed .
- the nucleic acid expression platform of the present disclosure is designed to place multiple translational control sequences downstream of an open reading frame coding region of a gene of interest. By introducing a nucleic acid expression platform, the expressed transcript can be stably maintained in vivo. Accordingly, by applying the nucleic acid expression platform of the present disclosure, the efficiency of final expression of the gene of interest can be improved.
- the expression platform Using the expression platform, the efficiency of expression of various genes of interest, such as reporter genes, infectious antigens, tumor antigens, and/or peptides or proteins utilized for therapeutic purposes, is improved. Accordingly, the expression platform of the present disclosure can be utilized for producing vaccines such as gene therapy, mRNA vaccines, and/or protein subunit vaccines, as well as applications for detecting or analyzing the presence or absence of specific substances.
- genes of interest such as reporter genes, infectious antigens, tumor antigens, and/or peptides or proteins utilized for therapeutic purposes.
- the expression platform of the present disclosure can be utilized for producing vaccines such as gene therapy, mRNA vaccines, and/or protein subunit vaccines, as well as applications for detecting or analyzing the presence or absence of specific substances.
- FIG. 1 is a schematic diagram schematically showing the configuration of a nucleic acid molecule or polynucleotide capable of efficiently expressing a gene of interest according to an exemplary embodiment of the present disclosure.
- FIG. 2 is a schematic diagram schematically showing the configuration of a nucleic acid molecule or polynucleotide capable of efficiently expressing a gene of interest according to another exemplary embodiment of the present disclosure.
- Figures 3 and 4 are respectively transfected with a nucleic acid molecule having a coding region encoding Renilla Luciferase according to an exemplary embodiment of the present disclosure into Nor10 cells, a mouse muscle derived cell line, after 6 hours and 24 hours, respectively, Renilla It is a graph showing the result of measuring the expression level of Luciferase.
- FIG. 5 and 6 show, respectively, nucleic acid molecules having a coding region encoding Renilla Luciferase according to an exemplary embodiment of the present disclosure were transformed into HeLa cells, a human induction cell line, and then Renilla luciferase after 6 hours and 24 hours, respectively. It is a graph showing the result of measuring the expression level of.
- FIG. 7 and 8 show, respectively, 6 hours and 24 hours after transformation of a nucleic acid molecule having a coding region encoding Renilla Luciferase into 293A cells, a human-derived cell line, according to an exemplary embodiment of the present disclosure, respectively, Renilla Luciferase It is a graph showing the result of measuring the expression level of.
- FIGS. 9 and 10 show the result of measuring the expression level of Renilla Luciferase 6 hours after injection of a nucleic acid molecule having a coding region encoding Renilla Luciferase into the ear of a mouse according to an exemplary embodiment of the present disclosure, respectively. it's a graph
- 11 and 12 show, respectively, 6 hours and 24 hours after transformation of a nucleic acid molecule having a coding region encoding Renilla Luciferase into 293A cells, a human-derived cell line, according to exemplary embodiments of the present disclosure, respectively. It is a graph showing the result of measuring the expression level of.
- a to G represent downstream translation control sequences, respectively.
- the first letter represents the first downstream translation control element
- the second letter represents the second downstream translation control element
- the third letter represents the third downstream translation control element.
- A is SEQ ID NO: 8, a translation control element derived from human TNNT1
- B is SEQ ID NO: 9, a translation control element derived from human albumin
- C is SEQ ID NO: 10
- D is SEQ ID NO: 11
- a translation control element derived from human CCL19 SEQ ID NO: 12
- a translation control element derived from human AAMP F
- SEQ ID NO: 13 a translation control element derived from human RPS27
- G is human DEFA5 SEQ ID NO: 14
- a translational control element derived from the above is used as a downstream translational control sequence, respectively.
- the expression level of the peptide or protein expressed from the pHJ5 nucleic acid molecule used as a comparative example was compared.
- amino acid herein is used in its broadest sense and is intended to include naturally-occurring L-amino acids or residues.
- Amino acids include D-amino acids as well as chemically-modified amino acids, such as amino acid analogs, naturally-occurring amino acids not commonly incorporated in proteins, such as norleucine, and chemically modified amino acids having properties known in the art to be characteristic of amino acids.
- amino acid analogs For example, synthetic peptides synthesized by standard solid-phase synthesis techniques are not limited to the amino acids encoded by genes, and thus allow for a wider variety of substitutions for a given amino acid. Amino acids not encoded by the genetic code are referred to herein as "amino acid analogs".
- amino acid analogs include 2-amino adipic acid (Aad) for Glu and Asp; 2-aminopimelic acid (Apm) for Glu and Asp; 2-aminobutyric acid (Abu) for Met, Leu and other aliphatic amino acids; 2-aminoheptanoic acid (Ahe) for Met, Leu and other aliphatic amino acids; 2-aminobutyric acid (Aib) for Gly; cyclohexylalanine (Cha) for Val, Leu and Ile; homoarginine (Har) for Arg and Lys; 2,3-diaminopropionic acid (Dap) for Lys, Arg and His; N-ethylglycine (EtGly) for Gly, Pro and Ala; N-ethylglycine (EtGly) for Gly, Pro and Ala; N-ethylasparagine (EtAsn) for Asn and Gln;
- peptide includes all proteins, protein fragments, and peptides isolated from naturally occurring, recombinant techniques, or chemically synthesized.
- a peptide of the present disclosure is composed of at least 5 amino acids, such as at least 10 amino acids.
- variants of compounds are provided, such as variants of peptides with one or more amino acid substitutions.
- peptide variants means substitutions, deletions, additions, and/or insertions of one or more amino acids into the amino acid sequence of a peptide, and original amino acids. It means that it exerts almost the same biological function as the peptide composed of Peptide variants should have 70% or more, preferably 90% or more, more preferably 95% or more identity with the original peptide.
- substitutions may include amino acid substitutions known as "conservative”.
- Variants may also contain nonconservative changes.
- the sequence of the variant polypeptide differs from the original sequence by substitution, deletion, addition or insertion of 5 or fewer amino acids.
- Variants can also be altered by deletion or addition of amino acids that minimally affect the immunogenicity, secondary structure and hydropathic nature of the peptide.
- Constant substitution means that there is no significant change in the secondary structure of a polypeptide even when one amino acid is substituted with another amino acid.
- Amino acid variations are based on the relative similarity of amino acid side chain substituents, such as polarity, charge, solubility, hydrophobicity, hydrophilicity and/or amphipathic nature. can be obtained by
- amino acids are classified according to their common side-chain properties: 1) hydrophobic (norleucine, methionine, alanine, valine, leucine, isoleucine) 2) neutral hydrophilic (cysteine, serine, threonine, asparagine, glutamine) and 3) acidic (aspartic acid). acid, glutamic acid), 4) basic (histidine, lysine, arginine), 5) residues that influence chain direction (glycine, proline), and 6) aromatic (tryptophan, tyrosine, phenylalanine). Conservative substitutions will entail exchanging a member of one of these respective classes for another member of the same class.
- arginine, lysine and histidine are all positively charged residues; Alanine, glycine and serine have similar sizes; It can be seen that phenylalanine, tryptophan and tyrosine have similar shapes. Therefore, based on these considerations, arginine, lysine and histidine; alanine, glycine and serine; And phenylalanine, tryptophan and tyrosine are biologically functional equivalents.
- each amino acid is assigned a hydrophobicity index according to its hydrophobicity and charge: isoleucine (+4.5); Valine (+4.2); leucine (+3.8); phenylalanine (+2.8); cysteine/cysteine (+2.5); methionine (+1.9); alanine (+1.8); glycine (-0.4); threonine (-0.7); serine (-0.8); tryptophan (-0.9); Tyrosine (-1.3); proline (-1.6); histidine (-3.2); glutamic acid (-3.5); glutamine (-3.5); aspartic acid (-3.5); asparagine (-3.5); Lysine (-3.9); and arginine (-4.5).
- the hydrophobic amino acid index is very important in conferring the interactive biological function of proteins. It is a known fact that amino acids having similar hydrophobicity indexes should be substituted to retain similar biological activities. When a mutation is introduced with reference to the hydrophobicity index, substitution is made between amino acids exhibiting a difference in hydrophobicity index, preferably within ⁇ 2, more preferably within ⁇ 1, and even more preferably within ⁇ 0.5.
- hydrophilicity values are assigned to each amino acid residue: arginine (+3.0); Lysine (+3.0); aspartic acid (+3.0 ⁇ 1); glutamic acid (+3.0 ⁇ 1); serine (+0.3); asparagine (+0.2); glutamine (+0.2); glycine (0); threonine (-0.4); proline (-0.5 ⁇ 1); alanine (-0.5); histidine (-0.5); cysteine (-1.0); methionine (-1.3); valine (-1.5); Lysine (-1.8); isoleucine (-1.8); Tyrosine (-2.3); phenylalanine (-2.5); Tryptophan (-3.4).
- substitution is made between amino acids showing a difference in hydrophilicity value, preferably within ⁇ 2, more preferably within ⁇ 1, even more preferably within ⁇ 0.5.
- Amino acid exchanges in proteins that do not entirely alter the activity of the molecule are known in the art (H. Neurath, R. L. Hill, The Proteins, Academic Press, New York, 1979).
- the most commonly occurring exchanges are amino acid residues Ala/Ser, Val/Ile, Asp/Glu, Thr/Ser, Ala/Gly, Ala/Thr, Ser/Asn, Ala/Val, Ser/Gly, Thy/Phe, Ala/ Exchange between Pro, Lys/Arg, Asp/Asn, Leu/Ile, Leu/Val, Ala/Glu, Asp/Gly.
- peptides including fusion proteins and polynucleotides referred to herein are isolated.
- An "isolated" peptide or polynucleotide is one that has been removed from its original environment. For example, a protein that exists in its natural state is separated by removing all or some of the substances that coexist in that state. Such a polypeptide should have a purity of at least 90% or more, preferably 95% or more, more preferably 99% or more.
- Polynucleotides are isolated by cloning in vectors. Recombinant peptides encoded by the nucleotide sequences mentioned herein can be easily prepared by known methods using any of many known expression vectors.
- Expression can be carried out in an appropriate host cell transformed with an expression vector containing a DNA sequence encoding the recombinant protein.
- Suitable host cells include prokaryotes, yeast and eukaryotes.
- a cell line derived from eukaryotes such as yeast, insect cells, or mammalian cell lines (such as Cos or CHO) may be used as the host cell.
- Polynucleotide or “nucleic acid” are used interchangeably herein and refer to polymers of nucleotides of any length and include DNA (eg cDNA) and RNA molecules generically.
- Nucleotides the building blocks of nucleic acid molecules, are deoxyribonucleotides, ribonucleotides, modified nucleotides or bases, and/or their analogues, or incorporated into polymers by DNA or RNA polymerases, or by synthetic reactions. It can be any substrate that can be.
- Polynucleotides may include modified nucleotides, sugar or base modified analogs, such as methylated nucleotides and their analogs.
- nucleic acids do not lead to variations in proteins.
- Such nucleic acids include functionally equivalent codons or codons encoding identical amino acids (e.g., by codon degeneracy, there are six codons for arginine or serine), or codons encoding biologically equivalent amino acids. It includes a nucleic acid molecule that Also, mutations in nucleotides can lead to changes in the protein itself. Even in the case of a mutation resulting in a change in the amino acid of the protein, one exhibiting almost the same activity as the protein of the present disclosure can be obtained.
- the characteristics of the nucleic acid molecules or polynucleotides of the present disclosure are not limited to the amino acid sequences or base sequences described in the sequence listing. It is clear to the skilled person.
- a coding region operably linked to an expression control sequence and/or a biological functional equivalent that may be included in a recombinant protein/peptide expressed therefrom exhibits equivalent biological activity as the aforementioned coding region and/or recombinant protein. It may be a protein/peptide having a polynucleotide having a mutation in the nucleotide sequence and/or a mutation in the amino acid sequence.
- nucleic acid molecules encoding peptides and/or proteins are construed to include sequences exhibiting substantial identity with the sequences described in the Sequence Listing.
- the above substantial identity is at least 61% when the sequence of the present disclosure and any other sequence described above are aligned so as to correspond as much as possible, and the aligned sequence is analyzed using an algorithm commonly used in the art. It means a sequence exhibiting homology, more preferably 70% homology, even more preferably 80% homology, and most preferably 90% homology. Alignment methods for sequence comparison are known in the art.
- vector refers to a construct capable of delivery to a host cell and preferably capable of expressing one or more genes or sequences of interest.
- vectors include viral vectors, DNA or RNA expression vectors, plasmids, cosmids or phage vectors, DNA linked with cationic condensing agents (CCAs) or RNA expression vectors, DNA or RNA expression vectors packaged in liposomes, certain eukaryotic cells such as producer cells, and the like.
- expression control/regulation sequence or “expression control/regulation element” refers to transcription of a nucleic acid molecule and/or translation from a nucleic acid in the form of a transcript ( It may refer to a nucleic acid sequence that regulates translation.
- transcription control/regulation sequence or “transcription control/regulation element” refers to a nucleic acid sequence that regulates the transcription of a nucleic acid. Transcription control elements include promoters or enhancers such as a constitutive promoter or an inducible promoter.
- translation control/regulation sequence or “translation control/regulation element” may be used for nucleic acid sequences that control translation from nucleic acids in the form of transcripts to proteins or peptides.
- transcriptional control sequences/elements and/or translation control sequences/elements are operatively linked to sequences to be expressed, eg, nucleic acid sequences to be transcribed or translated.
- operatively linked refers to a functional linkage between a nucleic acid expression control sequence (eg, a promoter, a signal sequence, a ribosome binding site, a transcription termination sequence, etc.) and another nucleic acid sequence, and thus whereby the regulatory sequence controls the transcription and/or translation of the other nucleic acid sequence.
- a nucleic acid expression control sequence eg, a promoter, a signal sequence, a ribosome binding site, a transcription termination sequence, etc.
- the present disclosure is based on a nucleic acid molecule with improved expression efficiency of a coding region operably linked to an expression control sequence and an expression platform or expression system based on a nucleic acid molecule such as a vector including the same.
- 1 is a schematic diagram schematically showing the configuration of a nucleic acid molecule or polynucleotide capable of efficiently expressing a gene of interest according to an exemplary embodiment of the present disclosure.
- the nucleic acid molecule is operably linked to a translation control element (TLCE) comprising a nucleotide sequence having translation initiation activity, and the translation control element (TLCE), It may include a coding region (CR) consisting of an open reading frame (ORF) of a gene of interest (GOI).
- TLCE translation control element
- CR coding region
- ORF open reading frame
- GOI gene of interest
- the nucleic acid molecule comprises a polyadenylation signal sequence or polyadenosine sequence located downstream of a transcriptional regulatory element (TCCE) and/or a translational regulatory element (TLCE) operably linked to the coding region (CR) ( PA) may include at least one nucleotide sequence.
- TCCE transcriptional regulatory element
- TCE translational regulatory element
- PA translational regulatory element
- the translation control element may include a nucleotide sequence having translation initiation activity that is operably linked to a coding region (CR) inserted in an open reading frame (ORF) form.
- a translational control element may be an upstream translational control element (U-TLCE) located upstream of a coding region (CR) and/or a downstream located downstream of a coding region (CR).
- U-TLCE upstream translational control element
- D-TLCE Translational control element
- an upstream translation control element may be located upstream of the coding region (CR)
- a downstream translation control element may be located downstream of the coding region (CR).
- the coding region may be located between an upstream translation control element (U-TLCE) and a downstream translation control element (D-TLCE), and the target sequence consisting of the open reading frame of the gene of interest (target sequence, TS) form.
- the upstream translation control element may be all or part of a 5'-untranslated region (5'-UTR) having cap dependent translation initiation activity.
- mRNAs have 7-methyl-guanosine (cap, m7G) at the 5' end, and the translation initiation complex recognizes the cap at the 5' end and proceeds to the initiation codon AUG. to initiate protein synthesis. That is, the cap structure located at the 5' end of mRNA not only initiates protein synthesis, but also prevents destruction of mRNA from the action of nuclease.
- cap 7-methyl-guanosine
- pDNA plasmid DNA
- a restriction enzyme to linearize it
- m 7 G(5')- Capped mRNA can be created and used by attaching ppp(5')G (this is called a regular cap analog).
- a regular cap analog there is a method of performing in vitro transcription without a cap analog and performing a cap reaction using a commercially available vaccinia virus capping enzyme, and an 'anti-reverse' cap analog (ARCA) that prevents the reverse reaction of the cap can be used.
- ARCA is introduced, only the 3'-O-methylation of methylated guanosine can bind to the nucleotide of unmethylated guanosine.
- the modified 5'-Cap structure is Cap1 (methylation of ribose within the adjacent nucleotide of m7G), Cap2 (methylation of ribose nucleotide located 2nd downstream of m7G), Cap3 (methylation of ribose nucleotide located 3rd downstream of m7G) methylation), Cap4 (methylation of the nucleotide ribose 4 downstream of m7G), ARCA (anti-reverse Cap analog, modified ARCA (e.g.
- phosphothioate modified ARCA inosine, N1-methyl-guanosine , 2'-fluoro-guanosine, 7-diaza-guanosine, 8-oxo-guanosine, 2-amino-guanosine, LNA-guanosine, and 2-azido-guanosine.
- the upstream translational regulatory element (U-TLCE) and/or the downstream translational regulatory element (D-TLCE) may each be a cap derived from an animal, e.g., a mammal, specifically a primate, more specifically a human. It may consist of a nucleotide sequence having dependent translation initiation activity or a transcript sequence thereof.
- Upstream translation control element (U-TLCE) is a region to which the translation initiation complex binds during translation of peptides and/or proteins expressed from the coding region (CR), and induces translation of the coding region (CR) It may be a cis-acting nucleotide sequence that
- the upstream translation control element (U-TLCE) When the upstream translation control element (U-TLCE) is all or part of a nucleotide sequence having cap-dependent translation initiation activity, it may include a downstream translation control element (D-TLCE) that may be located downstream of the coding region (CR). there is.
- a nucleic acid molecule comprising an upstream translational regulatory element (U-TLCE) and a downstream translational regulatory element (D-TLCE) can further improve the expression efficiency of an open reading frame (ORF) constituting a coding region (CR).
- ORF open reading frame
- the upstream translation control element (U-TLCE) and the downstream translation control element (D-TLCE) improve the translation efficiency of the open reading frame of the gene of interest (GOI) or its transcript forming the coding region (CR). It plays an important role in keeping mRNA, a transcript, stable and not destroyed within the cell.
- the upstream translation control element is human troponin T1, slow skeletal type (human TNNT1), human albumin (human ALB), human ferritin light chain (human FTL), human C-C motif chemokine ligand 19 (human CCL19), human associated migratory cell protein (human AAMP), human ribosomal protein S27 (human RPS27) and human defensing alpha 5 (human DEFA5).
- human troponin T1 slow skeletal type
- human TNNT1 human albumin
- human FTL human ferritin light chain
- human C-C motif chemokine ligand 19 human CCL19
- human associated migratory cell protein human AAMP
- human ribosomal protein S27 human RPS27
- human DEFA5 human defensing alpha 5
- the upstream translational regulatory element (U-TLCE) from human TNNT1 can include the translational regulatory element of SEQ ID NO: 1 or a transcript sequence thereof.
- the upstream translational control element (U-TLCE) from human ALB may include the translational control element of SEQ ID NO: 2 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) from human FTL may include the translational regulatory element of SEQ ID NO: 3 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) from human CCL19 may include the translational regulatory element of SEQ ID NO: 4 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) from human AAMP may include the translational regulatory element of SEQ ID NO: 5 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) from human RPS27 may include the translational regulatory element of SEQ ID NO: 6 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) from human DEFA5 may include the translational regulatory element of SEQ ID NO: 7 or a transcript sequence thereof.
- the upstream translational regulatory element (U-TLCE) is not limited to a specific nucleotide sequence or transcript sequence thereof.
- the downstream translation control element (D-TLCE) consists of a first downstream translation control element (D-TLCE1) and a second downstream translation control element (D-TLCE2) sequentially inserted downstream of the coding region (CR).
- the first downstream translation control element (D-TLCE1) and the second downstream translation control element (D-TLCE2) may be identical to or different from each other.
- the first downstream translation control element (D-TLCE1) and the second downstream translation control element (D-TLCE2) are each independently human TNNT1, human ALB, human FTL, human CCL19, human AAMP, human RPS27 and human DEFA5. It may include a downstream translation control element derived from any one selected from the group consisting of.
- the first and second downstream translational regulatory elements (D-TLCE1, D-TLCE2) derived from human TNNT1 may each include the translational regulatory element of SEQ ID NO: 7 or a transcript sequence thereof.
- the first and second downstream translational regulatory elements (D-TLCE1, D-TLCE2) from human ALB may include the translational regulatory element of SEQ ID NO: 9 or a transcript sequence thereof.
- the first and second downstream translational regulatory elements (D-TLCE1, D-TLCE2) derived from human FTL may include the translational regulatory element of SEQ ID NO: 10 or a transcript sequence thereof.
- the first and second downstream translation control elements (D-TLCE1, D-TLCE2) derived from human CCL19 may include the translation control element of SEQ ID NO: 11 or a transcript sequence thereof.
- the first and second downstream translation control elements (D-TLCE1, D-TLCE2) derived from human AAMP may include the translation control element of SEQ ID NO: 12 or a transcript sequence thereof.
- the first and second downstream translation control elements (D-TLCE1, D-TLCE2) derived from human RPS27 may include the translation control element of SEQ ID NO: 13 or a transcript sequence thereof.
- the first and second downstream translation control elements (D-TLCE1, D-TLCE2) derived from human DEFA5 may include the translation control element of SEQ ID NO: 14 or a transcript sequence thereof.
- the first and second downstream translation control elements (D-TLCE1 and D-TLCE2) are not limited to a specific nucleotide sequence or transcript sequence thereof.
- the first downstream translation control element (D-TLCE1) comprises a downstream translation control element or a transcript sequence thereof from human TNNT1
- the second downstream translation control element (D-TLCE2) comprises human ALB; It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of human FTL, human CCL19, human AAMP, human RPS27 and human DEFA5.
- the first downstream translation control element (D-TLCE1) includes a downstream translation control element derived from human TNNT1 or a transcript sequence thereof
- the second downstream translation control element (D-TLCE2) is human FTL
- human It may be derived from any one selected from the group consisting of CCL19 and human DEFA5.
- the second downstream translational regulatory element comprises human FTL or a translational control element derived from human CCL19 or a transcript sequence thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human TNNT1 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) is human It may include CCL19 or human RPS27-derived downstream translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element comprises a downstream translational regulatory element from human ALB or a transcript sequence thereof
- the second downstream translational regulatory element comprises human DEFA5 It may include downstream translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element comprises a downstream translational regulatory element or a transcript sequence thereof from human FTL
- the second downstream translational regulatory element comprises a human FTL-derived downstream translational regulatory element or a transcript sequence thereof. It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of TNNT1, human FTL, human RPS27 and human DEFA5.
- the second downstream translation control element is human TNNT1, human It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of FTL, the human RPS27, and the human DEFA5.
- the second downstream translational regulatory element comprises human TNNT1 , a downstream translation control element derived from any one selected from the group consisting of human FTL and human RPS27, or a transcript sequence thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human FTL or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) is human FTL derived. downstream translational regulatory elements from FTL or transcript sequences thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human CCL19 or a transcript sequence thereof and the second downstream translational regulatory element (D-TLCE2) comprises human TNNT1 , human FTL, human CCL19, human RPS27 and human DEFA5 may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of.
- the second downstream translation control element (D-TLCE2) is human FTL, human It may contain a translation control element derived from any one selected from the group consisting of CCL19, human RPS27, and human DEFA5.
- the second downstream translational regulatory element is human FTL or a translational regulatory element derived from human RPS27 or a transcript sequence thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human CCL19 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) is human CCL19. downstream translational control sequences derived from CCL19 or transcript sequences thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human CCL19 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) It may include human CCL19 or human RPS27 derived downstream translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human CCL19 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) It may include human FTL or human CCL19 derived downstream translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element comprises a downstream translational regulatory element from human AAMP or a transcript sequence thereof
- the second downstream translational regulatory element comprises a human AAMP-derived downstream translational regulatory element or a transcript sequence thereof. It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of ALB, human FTL, human RPS27 and human DEFA5.
- the first downstream translational regulatory element comprises a downstream translational regulatory element from human RPS27 or a transcript sequence thereof
- the second downstream translational regulatory element comprises human RPS27. It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of TNNT1, human ALB, human FTL, human CCL19, human AAMP, human RPS27 and human DEFA5.
- the second downstream translation control element is human TNNT1, human It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of FTL1, human CCL19, human AAMP, human RPS27 and human DEFA5.
- the second downstream translational regulatory element is human FTL , human CCL19, human RPS27, and may include a translational control element derived from any one selected from the group consisting of the human DEFA5, or a transcript sequence thereof.
- the second downstream translational regulatory element is human RSP27. It may include a translation control element or transcript sequence thereof derived from any one selected from the group consisting of FTL, human RPS27 and human DEFA5.
- the second downstream translational regulatory element is human RSP27. It may include a lower translation control element or transcript sequence thereof derived from any one selected from the group consisting of TNNT1, human FTL, human RPS27 and human DEFA5.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human RSP27 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) It may include human RPS27 or human DEFA5 derived translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element comprises a downstream translational regulatory element from human RSP27 or a transcript sequence thereof
- the second downstream translational regulatory element human FTL-derived downstream translational regulatory elements or transcript sequences thereof.
- the first downstream translational regulatory element comprises a downstream translational regulatory element from human DEFA5 or a transcript sequence thereof
- the second downstream translational regulatory element comprises human DEFA5. It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of TNNT1, human ALB, human FTL, human CCL19, human AAMP and human RPS27.
- the second downstream translation control element is human TNNT1, human It may include any one lower translation control element selected from the group consisting of ALB, the human FTL, human AAMP, and human RPS27, or a transcript sequence thereof.
- the second downstream translational regulatory element comprises human ALB , a translation control element derived from any one selected from the group consisting of human FTL, human AAMP, and human RPS27, or a transcript sequence thereof.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human DEFA5 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) is human. It may include a translation control element or a transcript sequence thereof derived from any one selected from the group consisting of ALB, human FTL and human RPS27.
- the second downstream translational regulatory element (D-TLCE2) It may include a downstream translation control element or transcript sequence thereof derived from any one selected from the group consisting of human FTL, human CCL9, human AAMP and human RPS27.
- the first downstream translational regulatory element (D-TLCE1) comprises a downstream translational regulatory element from human DEFA5 or a transcript sequence thereof
- the second downstream translational regulatory element (D-TLCE2) downstream translational control elements from human FTL or human RPS27 or transcript sequences thereof.
- the coding region (CR) is not particularly limited as long as it includes the open reading frame (ORF) of the intended gene of interest (GOI).
- the coding region (CR) is a nucleotide sequence encoding at least one of a reporter protein or fragment thereof, a marker or selectable protein or fragment thereof, an antigen or fragment thereof, and a protein for treatment of a disease or fragment thereof, or It may consist of an open reading frame (ORF), which is a transcript sequence thereof.
- the coding region is a luciferase protein (eg, Renilla luciferase), Green Fluorescent Protein (GFP), Enhanced Green Fluorescent Protein (EGFP), beta-glu
- a reporter protein/reporter peptide or fragment thereof such as a glucuronidase such as curonidase and/or a galactosidase such as beta-galactosidase ) can be made.
- the coding region (CR) is a globin protein such as alpha-globin and/or beta-globin, a marker or selectable protein/ such as galactokinase and/or xanthine guanine phosphoribosyl transferase, and the like. It may consist of an open reading frame that encodes a peptide or a fragment thereof. In addition, an open reading frame (ORF) encoding another reporter protein/peptide and/or marker or selectable protein/peptide may be inserted into the coding region (CR).
- the antigen gene inserted into the coding region may consist of an open reading frame (ORF) encoding a protein/peptide including a pathogenic antigen or a fragment thereof, a tumor antigen, or a variant or derivative thereof.
- ORF open reading frame
- Pathogenic antigens are derived from pathogenic organisms, in particular bacteria, viruses or protozoan (multicellular) pathogenic organisms, which elicit an immunological response in a subject, particularly a mammalian subject, more particularly a human. More specifically, the pathogenic antigen may be a surface antigen, eg a protein (or a fragment of a protein, eg an external part of a surface antigen) located on the surface of a viral or bacterial or protozoan organism.
- a surface antigen eg a protein (or a fragment of a protein, eg an external part of a surface antigen located on the surface of a viral or bacterial or protozoan organism.
- the pathogenic antigen may be a peptide or protein antigen derived from a pathogen associated with an infectious disease. More specifically, pathogenic antigens include Acinetobacter baumannii, Anaplasma genus, Anaplasma phagocytophilum, Ancylostoma braziliense, hookworm (Ancylostoma duodenale), hemolytic Arcanobacterium haemolyticum, Ascaris lumbricoides, Aspergillus genus, Astroviridae, Babesia genus, Bacillus anthracis, Bacillus cereus ( Bacillus cereus), Bartonella henselae, BK virus, Blastocystis hominis, Blastomyces dermatitidis, Bordetella pertussis, Borrelia burgdor Peri (Borrelia burgdorferi), Borrelia genus, Borrelia spp, Brucella genus, Brugia malayi, Bun
- the coding region may consist of an open reading frame (ORF) encoding a protein or peptide that is a tumor antigen or fragment thereof, or a variant or derivative thereof.
- a tumor antigen may be a melanocyte-specific antigen, a testicular cancer antigen or a tumor specific antigen such as a CT-X antigen, a non-X CT-antigen, a binding partner to a CT-X antigen or a non-X CT-antigen or It may be a binding partner for a tumor-specific antigen, or a tumor-specific antigen, a variant or derivative of a tumor antigen.
- the open reading frames (ORFs) encoding these tumor antigens are 5T4, 707-AP, 9D7, AFP, AlbZIP HPG1, alpha-5-beta-1-integrin, alpha-5-beta-6-integrin, alpha-actinin -4/m, alpha-methylacyl-coenzyme A racemase, ART-4, ARTC1/m, B7H4, BAGE-1, BCL-2, bcr/abl, beta-catenin/m, BING-4, BRCA1/m , BRCA2/m, CA 15-3/CA 27-29, CA 19-9, CA72-4, CA125, calreticulin, CAMEL, CASP-8/m, cathepsin B, cathepsin B Depsin L, CD19, CD20, CD22, CD25, CDE30, CD33, CD4, CD52, CD55, CD56, CD80, CDC27/m, CDK4/m, CDKN2A/m, CEA, CL
- the coding region may consist of an open reading frame (ORF) encoding a protein/peptide that is a therapeutic protein/peptide or a fragment, variant or derivative thereof.
- ORF open reading frame
- Therapeutic proteins can play an important role in the creation of therapeutics capable of modifying and repairing genetic defects, destroying cancer cells or pathogen-infected cells, treating diseases of the immune system, and treating metabolic or endocrine diseases.
- the therapeutic protein is independent of genetic or acquired, eg infectious diseases, neoplasms (eg cancer or neoplastic diseases), diseases of the blood and blood-forming organs, endocrine, nutritional and metabolic diseases; It can be used for a variety of purposes, including the treatment of various diseases such as diseases of the nervous system, diseases of the circulatory system, diseases of the respiratory system, diseases of the gastrointestinal system, diseases of the skin and subcutaneous tissue, diseases of the musculoskeletal system and connective tissue, and diseases of the genitourinary system.
- proteins that can be used in the treatment of metabolic or endocrine diseases include acid sphingomyelinase (Niemann-Pick disease), adipotide ) (obesity), Agalsidase-beta (human galactosidase A) (Fabry disease; prevents accumulation of lipids leading to renal and cardiovascular complications), alglucosidase ( Alglucosidase (Pompe disease; glycogen storage disease type II), alpha-galactosidase A (alpha-GAL A, agalsidase alfa) (Fabry disease), alpha-glucosidase (glycogen storage disease (GSD) ), Pompe disease (Morbus Pompe)), alpha-L-iduronidase (mucopolysaccharidosis (MPS), Hurler syndrome, Scheie syndrome), Alpha-Nacetylglucosaminidase (Sanfilippo syndrome), Am
- proteins related to blood diseases, circulatory system diseases, respiratory system diseases, cancer or tumor diseases, infectious diseases or immunodeficiency are produced by Alteplase (tissue plasminogen activator). activator; tPA) (Pulmonary embolism, myocardial infarction, acute ischemic stroke, occlusion of central venous access devices), anistriflase ( Anistreplase) (thrombolysis), antithrombin III (AT-III) (hereditary AT-III deficiency, thromboembolism), Bivalirudin (reduced blood clotting risk in coronary angioplasty and heparin-induced thrombocytopenia) , Darbepoetin-alpha (treatment of anemia in patients with chronic renal insufficiency and chronic renal failure (+/- dialysis)), Drotrecogin-alpha ) (activated protein C) (severe sepsis with high risk of death), Ery
- the length of the open reading frame (ORF) constituting the coding region (CR) is not limited, and the expression efficiency according to the length of the open reading frame (ORF) is a nucleic acid molecule according to the present disclosure, a recombinant expression vector using the same, and treatment or prevention It is not a major consideration in the development of nucleic acid vaccines for Codon usage can usually affect protein/peptide expression in various species, but it is known that codon usage bias in humans usually does not significantly affect protein/peptide expression, so it is possible to develop nucleic acid vaccines or gene therapy for humans.
- the initial codon must have a Kozak sequence (eg, GCCACC), and the nucleotide sequence near the stop codon also needs to be optimized.
- the third part of the codon sequence of the gene to be expressed in the coding region (CR) or its transcript, mRNA can be changed to GC to increase the GC% of the target gene without changing amino acids, thereby increasing mRNA stability.
- the nucleic acid molecule may be further inserted with a nucleotide sequence capable of increasing the expression efficiency of a coding region (CR) linked in an open reading frame (ORF) form.
- the nucleic acid molecule may have a transcription control element (TCCE) that promotes transcription of the nucleic acid molecule adjacent to a translation control element, for example, an upstream translation control element (U-TLCE).
- TCCE transcription control element
- U-TLCE upstream translation control element
- U-TLCE upstream translation control element
- TCCE transcriptional regulatory element
- U-TLCE upstream translational regulatory element
- These transcriptional regulatory elements (TCCE) are not particularly limited, and will be described in detail in the recombinant expression vector section to be described later in order to avoid duplication of description.
- a nucleic acid molecule is an open reading frame (ORF) consisting of a gene constituting a coding region (CR) or a transcript sequence thereof, in addition to the aforementioned translational regulatory element (TLCE), coding region (CR), and transcriptional regulatory element (TCCE).
- ORF open reading frame
- Nucleotide sequences capable of directing expression may be inserted.
- a Kozak sequence may be inserted between the upstream translational control element (U-TLCE) and the initiation codon of the coding region (CR).
- a polyadenylation signal sequence and/or a polyadenosine sequence (PA) that can further improve the translation efficiency of an open reading frame (ORF) consisting of may be further inserted.
- the polyadenosine sequence is about 25 to about 400, for example, 30 to 400, 50 to 250, or a nucleotide sequence of 60 to 250 adenosines.
- the polyadenylation signal sequence (PA) may be located downstream of the second downstream translation control sequence (D-TLCE2).
- D-TLCE2 second downstream translation control sequence
- the polyadenylation signal sequence (PA) is derived from SV40, human growth factor (hGH), bovine growth hormone (BGH), or rabbit beta-globin (rbGlob).
- hGH human growth factor
- BGH bovine growth hormone
- rbGlob rabbit beta-globin
- the polyadenylation signal sequence or polyadenosine sequence is a plurality of adenosines, eg, 25 to about 400, 30 to 400, 50 to 250, or 60 to 250 adenosines.
- it may consist of a sequence in which a signal sequence such as 5'-GATCATCAGT-3' is inserted between two nucleotides of the transcribed sequence.
- the nucleic acid molecule may include one or more cloning sites, preferably a Multiple Cloning Site (MCS).
- the one or more cloning sites may include one or more restriction endonuclease recognition sequences and/or sequences that are cleaved by restriction enzymes.
- Restriction enzymes include not only natural restriction enzymes found in bacteria and archaea, but also artificially manufactured restriction enzymes (eg zinc finger nuclease, restriction enzymes based on the DNA binding site of TAL effectors, or PNA-based PNAznymes). can include
- Naturally occurring restriction enzymes are: 1) Type I restriction enzymes (cleaving sites away from the recognition site and requiring ATP, S-adenosyl-L-methionine, and magnesium ions), and 2) Type II restriction enzymes. (Cleaves inside the recognition site or a specific site slightly away from the recognition site, mostly requiring magnesium ion), 3) Type III restriction enzyme (Cleaving a site slightly away from the recognition site, ATP is required, but ATP hydrolysis No degradation required), 4) Type IV restriction enzyme (targeting modified sites such as methylation, hydroxymethylation, or glucosyl-hydroxymethylation), 5) Type V restriction enzyme (cas9-gRNA complex of CRISPRs), etc. can be distinguished.
- restriction enzyme recognition sites and/or restriction enzyme cleavage sites may be used.
- 5'-ATCGAT-3' AngI
- 5'-AGGCCT-3′ AtI
- 5′-TGATCA-3′ AbaI
- 5′-GGATCC-3′ BamHI
- 5′-GCAGC(N ) 8 -3'(BbvI) 5'-(N) 10 CGA(N) 6 TGC(N) 12 -3'(BcgI), 5'-(N) 8 GAG(N) 5 CTC(N) 13 -3'(BplI), 5'-GTCTC(N)-3'(BsmAI; Alw26I), 5'-ACTGGN-3'(BsrI), 5'-ATCGAT-3'(ClaI), 5'-CTCTTCN- 3' (EarI), 5'-CTGAAG (N) 16 -3' (Eco57I), 5'-GAATTC-3' (EcoRI), 5
- the cloning site may consist of SEQ ID NO:19.
- a nucleic acid molecule can be DNA or RNA.
- nucleic acid molecules according to the present disclosure may be in the form of RNA.
- the nucleic acid molecule is in the form of RNA, such as the coding region (CR) consisting of the transcript sequence of the open reading frame (ORF) encoding the above-described protein or peptide, it is advantageous compared to the nucleic acid molecule in the form of DNA.
- nucleic acid molecules in the form of RNA do not need to enter the nucleus of a host cell to be transcribed into mRNA, unlike nucleic acid molecules in the form of DNA due to their characteristics. Therefore, the potential risk of mutagenesis is small and it is safe because it is rapidly degraded in vivo.
- Nucleic acid molecules in the form of RNA have no possibility of incorporating into the chromosome of the host in the nucleus, and antibiotic resistance genes, which are selectable markers used for selective production in host cells, are unnecessary for the production of RNA nucleic acid molecules, and RNA has a shorter half-life than DNA. Because it is short, it does not induce persistence genetic transformation.
- nucleic acid molecule in a general form is delivered into a cell, is activated for a short period of time, expresses a target peptide/protein, and is destroyed by an enzymatic reaction within a few days, but a specific immune response to the initially expressed target peptide/protein remains.
- RNA-type nucleic acid molecules do not need to enter the nucleus, unlike DNA-type nucleic acid molecules, and only need to pass through cell membranes. Therefore, when RNA-type nucleic acid molecules are used, the target peptide can be expressed to the same degree even if a smaller amount is used than DNA-type nucleic acid molecules.
- RNA small-scale good manufacturing practice
- nucleic acid molecules in the form of RNA can induce a stronger immune response compared to naked DNA nucleic acid molecules. This is because the innate immune response induced by the stem-loop structure of the RNA nucleic acid molecule and the characteristics of RNA itself and the acquired immune response induced by the target peptide/protein expressed in the immunized host cell are mutually cooperative. It is thought to be In addition, the RNA nucleic acid molecule itself produces a complex antigen complex within the cell, and this can act as an ideal vaccine by accessing the major histocompatibility complex (MHC) class II of the antigen-presenting cell.
- MHC major histocompatibility complex
- RNA nucleic acid molecules are easier to produce than conventional DNA nucleic acid molecules.
- IVT in vitro transcription
- reagents related to the IVT reaction, especially DNA-dependent RNA polymerase have been improved, and a large amount of RNA can be rapidly produced within 1 to 2 weeks using a small amount of DNA template.
- a plurality of antigens to induce an immune response can be prepared and mixed at the same time, and then immunized, and there is no particular restriction on the gene length of the antigen to be expressed, so the applicability and simplicity of RNA nucleic acid molecule production can be increased.
- a nucleic acid molecule can include three or more downstream translational control elements.
- 2 is a schematic diagram schematically showing the configuration of a nucleic acid molecule or polynucleotide capable of efficiently expressing a gene of interest according to another exemplary embodiment of the present disclosure.
- the nucleic acid molecule is operably linked to a translational control element (TLCE) comprising a nucleotide sequence having translation initiation activity, and a gene of interest (GOI) Contains a coding region (CR) consisting of an open reading frame (ORF) of, and optionally a transcriptional regulatory element (TCCE) located upstream of a translational regulatory element (TLCE) and / or a polyadenylation signal sequence (PA) ) may be included.
- the translation control element (TLCE) includes an upstream translation control element (U-TLCE) located upstream of the coding region (CR) and a downstream translation control element (D-TLCE) located downstream of the coding region (CR). .
- the downstream translation control element is a first downstream translation control element (D-TLCE1) sequentially located between the coding region (CR) and the polyadenylation signal sequence (PA), the second It includes a downstream translational regulatory element (D-TLCE2) and a third downstream translational regulatory element (D-TLCE3).
- the downstream translation control element (D-TLCE) may be the same as the nucleic acid molecule of the first embodiment described with reference to FIG. 1, except that the third downstream translation control element (D-TLCE3) is included.
- the first downstream translation control element (D-TLCE1), the second downstream translation control element (D-TLCE2) and the third downstream translation control element (D-TLCE3) are each independently human troponin T1, solo skeletal type ( TNNT1), human albumin, human ferritin light chain (FTL), human C-C motif chemokine ligand (CCL19), human associated migratory cell protein (AAMP), human ribosomal protein S27 (RPS27) and human defensing alpha 5 (DEFA5). It may include a translation control element or a transcript sequence thereof derived from any one selected from the group.
- the first downstream translational regulatory element (D-TLCE1), the second downstream translational regulatory element (D-TLCE2) and the third downstream translational regulatory element (D-TLCE3) are each independently SEQ ID NO: 8, sequence A translation control element selected from the group consisting of SEQ ID NO: 9, SEQ ID NO: 10, SEQ ID NO: 11, SEQ ID NO: 12, SEQ ID NO: 13 and SEQ ID NO: 14 or a transcript sequence thereof can include
- the first downstream translation control element comprises a translation control element or a transcript sequence thereof from human TNNT1
- the second downstream translation control element is from human DEFA5.
- a translation control element or transcript sequence thereof may be included
- the third downstream translation control element may include a translation control element derived from human FTL or human RPS27 or a transcript sequence thereof.
- the first downstream translation control element (D-TLCE1) comprises a translation control element or a transcript sequence thereof derived from human albumin
- the second downstream translation control element (D-TLCE2) is derived from human DEFA5.
- a translation control element of or a transcript sequence thereof, and the third downstream translation control element (D-TLCE3) may include a translation control element derived from human RPS27 or a transcript sequence thereof.
- the first downstream translational regulatory element comprises a translational regulatory element from human RPS27 or a transcript sequence thereof
- the second downstream translational regulatory element comprises human FTL It includes a translation control element or a transcript sequence thereof derived from a translation control element
- the third downstream translation control element is a translation control element derived from any one selected from the group consisting of human CCL19, human RPS27 and human DEFA5, or It may include a transcript sequence thereof.
- the first downstream translational regulatory element comprises a transcriptional translational regulatory element from human DEFA5 or a transcript sequence thereof
- the second downstream translational regulatory element comprises a human DEFA5 derived transcriptional translational regulatory element or a transcript sequence thereof.
- a translation control element derived from TNNT1 or a transcript sequence thereof may be included
- the third downstream translation control element may include a translation control element derived from human FTL or a transcript sequence thereof.
- the nucleic acid molecules shown in Figures 1 and 2, respectively, can be inserted into recombinant expression vectors.
- the recombinant expression vector comprises a translational control element having translation initiation activity (TLCE; eg U-TLCE and D-TLCE), a coding region (CR), a transcriptional control element (TCCE) and or a polyadenylation signal sequence. (PA). That is, the recombinant expression vector may include the nucleic acid molecule described with reference to FIGS. 1 and 2 , and this nucleic acid molecule may bind to another nucleic acid to encode a fusion protein or fusion peptide.
- TLCE translation initiation activity
- CR coding region
- TCCE transcriptional control element
- PA polyadenylation signal sequence
- vectors include viral vectors, DNA or RNA expression vectors, plasmids, cosmids or phage vectors, DNA linked with cationic condensing agents (CCAs) or RNA expression vectors, DNA or RNA expression vectors packaged in liposomes, certain eukaryotic cells such as producer cells, and the like.
- CCAs cationic condensing agents
- RNA expression vectors DNA or RNA expression vectors packaged in liposomes, certain eukaryotic cells such as producer cells, and the like.
- the nucleic acid molecules of the present disclosure can be configured to enter and be expressed in mammalian cells. Such configurations may be particularly useful for use in the treatment and/or prophylaxis of infectious diseases. There are many methods for expressing nucleic acid molecules in host cells, and any suitable method may be used.
- a nucleic acid molecule according to the present disclosure may be an adenovirus, adeno-associated virus, retrovirus, vaccinia or other pox virus (eq, avian pox virus) It can be inserted into viral vectors such as According to one exemplary embodiment, after inserting the aforementioned nucleic acid molecule into an appropriate vector, it can be transformed into a nucleic acid molecule in the form of RNA through in vitro transcription (IVT).
- IVTT in vitro transcription
- Retroviral vectors include target sites such as genes for selectable markers that facilitate identification or selection of transduced cells and/or genes encoding ligands that act as receptors for specific target cells ( targeting moiety) can be additionally inserted. Targeting can also be achieved by known methods using antibodies.
- a number of vectors that are available and known in the art to which this disclosure pertains can be used for the purposes of this disclosure. Selection of an appropriate vector will depend primarily on the size of the nucleic acid molecule to be inserted into the vector and the particular host cell being transformed with the vector. Each vector contains various components depending on its function (amplification or expression of heterologous polynucleotides, or both) and compatibility with the particular host cell in which it resides.
- Vector components generally include, but are not limited to, an origin of replication (especially if the vector is to be inserted into a prokaryotic cell), a selectable marker gene, a promoter, a ribosome binding site (RBS), a signal sequence, a heterologous nucleic acid insert, and/or a transcription termination sequence. does not
- expression vectors according to the present disclosure can affect the expression of proteins and/or peptides (e.g., reporter proteins/peptides, antigens, therapeutic proteins/peptides) encoded within a coding region (CR).
- regulatory elements such as initiation codons, stop codons, polyadenylation signal sequences, enhancers, signal sequences for membrane targeting or secretion, and the like.
- the polyadenylation signal sequence (PA) increases the stability of the transcript or facilitates its cytoplasmic transport.
- the enhancer sequence is a nucleic acid sequence that increases transcriptional activity compared to transcriptional activity by the promoter in the absence of the enhancer sequence by being located at various sites in the promoter.
- the signal sequence is a PhoA signal sequence, an OmpA signal sequence, etc.
- an ⁇ -amylase signal sequence, a subtilisin signal sequence, etc. can be used there is.
- the signal sequence is MF- ⁇ signal sequence, SUC2 signal sequence, etc.
- insulin signal sequence, a-interferon signal sequence, antibody molecule signal sequence, etc. can be used, but the present disclosure is not limited thereto.
- vector refers to a circular double-stranded DNA loop into which additional DNA segments may be ligated.
- a phage vector refers to a viral vector in which additional DNA segments can be ligated into the viral genome.
- Certain vectors eg, bacterial vectors having a bacterial origin of replication and episomal mammalian vectors
- Other vectors eg, non-episomal mammalian vectors
- a vector is capable of directing the expression of a gene in an open reading frame to which the vector is operably linked.
- Such vectors are referred to herein as "recombinant expression vectors" (or simply, “recombinant vectors”).
- expression vectors useful in recombinant DNA techniques often exist in the form of plasmids.
- nucleic acid molecules may be inserted into host cells using a viral expression system (vaccinia or other pox virus, retro virus or adenovirus).
- viral vectors include retroviral vectors derived from HIV, SIV, murine retroviruses, gibbon ape leukemia virus, adeno-associated viruses (AAVs), and adenoviruses.
- retroviral vectors derived from HIV, SIV, murine retroviruses, gibbon ape leukemia virus, adeno-associated viruses (AAVs), and adenoviruses.
- Vectors are widely used (Buchscher et al ., 1992, J. Virol, 66(5):2731-2739; Johann et al ., 1992, J. Virol. 66(5):1635-1640; Sommerfelt et al . , 1990 , Virol . Fundermental Immunology, Third Edition, WE Paul (ed.) Raven Press, Ltd., New York and the references therein; Miller et al ., 1990, Mol. Cell. Biol. 10:4239; R. Kolberg 1992, J. NIH Res. 4:43; Cornetta et al ., 1991, Hum. Gene Ther.2:215).
- the vector system according to the present disclosure may be constructed through various methods known in the art to which the present disclosure pertains, and specific methods thereof are described in Sambrook et al ., Molecular Cloning, A Laboratory Manual, Cold Spring Harbor Laboratory Press (2001) , which is incorporated herein by reference.
- a vector of the present disclosure may typically be constructed as a vector for cloning or as a vector for expression.
- the vector of the present disclosure may be constructed using a prokaryotic cell or a eukaryotic cell as a host.
- vectors that can be used in the present disclosure include plasmids (eg, pSC101, ColE1, pBR322, pUC8/9, pHC79, pUC19, pET, etc.), phages (eg, ⁇ gt4 ⁇ B) often used in the art to which the present disclosure belongs. , ⁇ -Charon, ⁇ z1, ⁇ GEM.TM.-11 and M13, etc.) or viruses (eg, SV40, etc.).
- Constitutive or inducible promoters may be used in the present disclosure depending on the needs of a particular situation as can be identified by one skilled in the art.
- a number of promoters recognized by a variety of possible host cells are well known.
- the selected promoter is obtained by removing the promoter from the source nucleic acid molecule through restriction enzyme digestion and inserting the isolated promoter sequence into a vector of choice, thereby creating a coding region consisting of the open reading frame (ORF) of the gene or transcript encoding the peptide and/or protein.
- ORF open reading frame
- CR can be operably linked to a nucleic acid molecule.
- heterologous promoters can be used to direct the amplification and/or expression of the genes or transcripts that make up the coding region (CR).
- heterologous promoters may be preferred because they generally result in greater transcription and higher yields of the expressed gene of interest compared to native promoters.
- a strong promoter capable of promoting transcription e.g., tac promoter, lac promoter, lacUV5 promoter, lpp promoter, pL ⁇ promoter, pR ⁇ promoter , rac5 promoter, amp promoter, recA promoter, SP6 promoter, trp promoter and T7 promoter, etc.
- TCCE transcription control elements
- TLCE translation control sequences
- coli tryptophan biosynthetic pathway (Yanofsky, C., J. Bacteriol., 158: 1018-1024 (1984)) and the leftward promoter of phage ⁇ (pL ⁇ ) A promoter, Herskowitz, I. and Hagen, D., Ann. Rev. Genet., 14:399-445 (1980)) can be used as a regulatory region.
- a promoter derived from the genome of a mammalian cell eg, metallotionine promoter
- a promoter derived from a mammalian virus eg, adenovirus
- bacteriophage-derived promoters e.g. T7 promoter, T3 promoter, SM6 promoter
- PA polyadenylation signal sequence
- the recombinant vector of the present disclosure when it is a replicable expression vector, it may include a replication origin, which is a specific nucleic acid sequence in which replication is initiated.
- the recombinant vector may include a selection marker.
- the selectable marker is for selecting cells transformed with the vector, and markers conferring selectable phenotypes such as drug resistance, auxotrophy, resistance to cytotoxic agents, or surface protein expression may be used.
- the vectors of the present disclosure include antibiotic resistance genes commonly used in the art as selection markers, for example, ampicillin, gentamicin, carbenicillin, chloramphenicol, streptomycin, kanamycin, geneticin, neomycin and There is a gene for resistance to tetracycline.
- selectable markers include auxotrophic markers such as ura4, leu1, his3, etc., but the types of selectable markers usable in the present disclosure are not limited by the examples above.
- Vectors of the present disclosure may be fused with other sequences to facilitate purification of recombinant proteins or peptides expressed therefrom.
- Sequences to be fused include, for example, glutathione S-transferase (Pharmacia, USA), maltose binding protein (NEB, USA), FLAG (IBI, USA) and 6 x His (hexahistidine; Quiagen, USA), most preferably It is 6 x His. Because of this additional sequence for purification, proteins expressed in the host are rapidly and easily purified via affinity chromatography. If necessary, sequences encoding Fc fragments may be fused to promote extracellular secretion of these recombinant proteins.
- a fusion protein expressed by a vector containing the fusion sequence is purified by affinity chromatography.
- glutathione-S-transferase when glutathione-S-transferase is fused, glutathione, a substrate of this enzyme, can be used. Recombinant proteins can be obtained quickly and easily.
- Any host cell known in the art to which the present disclosure pertains may be used as a host cell capable of stably and continuously cloning and expressing the vector described above, for example, E. coli JM109, E. coli BL21 (DE3), E. coli BL21 (DE3), E. strains of the genus Bacillus, such as E. coli RR1, E. coli LE392, E. coli B, E. coli X 1776, E. coli W3110, Bacillus subtilis, Bacillus thuringiensis, and Salmonella typhimurium, Serratia marcesens and enteric bacteria and strains such as various Pseudomonas species.
- E. coli JM109 E. coli BL21 (DE3)
- E. coli BL21 (DE3) E. strains of the genus Bacillus, such as E. coli RR1, E. coli LE392, E. coli B, E. coli X 1776, E
- yeast Saccharomyce cerevisiae
- insect cells eg, SF9 cells
- human cells eg, CHO cell line (Chinese hamster ovary), W138, BHK, COS-7, 293, HepG2, 3T3, RIN and MDCK cell lines
- yeast Saccharomyce cerevisiae
- insect cells eg, SF9 cells
- human cells eg, CHO cell line (Chinese hamster ovary), W138, BHK, COS-7, 293, HepG2, 3T3, RIN and MDCK cell lines
- the vectors of the present disclosure can be used to genetically modify cells either in vivo or ex vivo or in vitro .
- Methods of genetically modifying cells include infecting or transducing cells with viral vectors, calcium phosphate precipitation, and bacterial protoplasts containing DNA from recipient cells. fusion method, method of processing liposomes or microspheres containing DNA in receptor cells, endocytosis (DEAE dextran, receptor-mediated endocytosis), electroporation, micro- Several methods are known, including micro-injection and the like.
- the host cell is a prokaryotic cell
- the CaCl 2 method Cohen, SN et al ., Proc. Natl. Acac. Sci. USA, 9:2110-2114, 1973
- the Hanhan method Hanhan, D., J. Mol. Biol., 166:557-580, 1983
- the electroporation method Dower, WJ et al., Nucleic. Acids Res., 16:6127-6145, 1988).
- the host cell is a eukaryotic cell, microinjection method (Capecchi, MR, Cell, 22:479, 1980)), calcium phosphate precipitation method (Graham, FL et al ., Virology, 52:456, 11973), electrolysis Perforation method (Neumann, E. et al ., EMBO J., 1: 841, 1982), liposome-mediated transfection method (Wong, TK et al ., Gene, 10: 87, 1980), DEAE-dextran treatment method (Gopal, Mol. Cell Biol., 5: 1188-1190, 1985), and/or gene bombardment (Yang et al ., Proc. Natl. Acad.
- Vectors can be injected into host cells.
- the vector injected into the host cell can be expressed in the host cell, and in this case, a large amount of recombinant protein or recombinant peptide is obtained.
- the expression vector includes a lac promoter
- gene expression can be induced by treating host cells with IPTG.
- An expression construct which is an expression system into which the above-described nucleic acid molecule and/or gene delivery system is inserted, is a detection system for detecting the presence or absence of a certain substance, a vaccine for inducing an immune response, and/or It can be used as a therapeutic agent for the treatment of disease.
- a pharmaceutical composition such as a vaccine or therapeutic agent containing a pharmaceutically effective amount of a nucleic acid molecule or an expression construct comprising a nucleic acid molecule may contain a pharmaceutically acceptable carrier, diluent and/or excipient.
- pharmaceutically effective amount means an amount sufficient to achieve the efficacy or activity of a nucleic acid molecule according to the present disclosure.
- such a pharmaceutical composition may include a stabilizer such as a cationic polymer, cationic peptide or cationic polypeptide capable of stabilizing the above-described nucleic acid molecule or expression construct; at least one adjuvant capable of enhancing an immune response; sustained-release formulations; and/or lipid nanoparticles (LNPs) capable of protecting nucleic acid molecules, which are active ingredients, and improving bioinjection activity.
- a stabilizer such as a cationic polymer, cationic peptide or cationic polypeptide capable of stabilizing the above-described nucleic acid molecule or expression construct
- at least one adjuvant capable of enhancing an immune response capable of enhancing an immune response
- sustained-release formulations and/or lipid nanoparticles (LNPs) capable of protecting nucleic acid molecules, which are active ingredients, and improving bioinjection activity.
- LNPs lipid nanoparticles
- Nucleic acid molecules or expression constructs of the present disclosure may be used by any suitable means, for example, oral, topical (including buccal and sublingual), rectal, vaginal, transdermal, parenteral, subcutaneous, intraperitoneal, intrapulmonary, intradermal, intrathecal and intrathecal. It can be administered by means for external and intranasal and, if desired, topical treatment, intralesional administration.
- Parenteral infusion includes intramuscular, intravenous, intraarterial, intraperitoneal or subcutaneous administration.
- Nucleic acid molecules or expression constructs of the present disclosure may be administered in any convenient dosage form, such as tablets, powders, capsules, solutions, dispersions, suspensions, syrups, sprays, suppositories, gels, emulsions, patches, and the like.
- Such compositions may contain ingredients customary in pharmaceutical formulations, such as diluents, carriers, pH adjusting agents, sweetening agents, bulking agents and additional active agents.
- a nucleic acid molecule into which Hemagglutin (HA) coding sequence of influenza virus was inserted was prepared.
- the template DNA sequence was designed as follows.
- the template DNA is inserted downstream of the pGH vector (SEQ ID NO: 18), cloned, and linearized with a restriction enzyme, and the nucleic acid molecule in the form of an RNA platform (hereinafter referred to as "pHJ5L”) is performed through in vitro transcription (IVT). ) was produced.
- pHJ5L RNA platform
- the procedure of the Comparative Example was repeated, except that two downstream translational control elements were inserted in place of a single TNNT1-derived translation control element downstream of the coding region encoding Renilla Luciferase.
- the two downstream translational regulatory elements are independently SEQ ID NO: 8 (from human TNNT1), SEQ ID NO: 9 (from human albumin), SEQ ID NO: 10 (from human FTL), SEQ ID NO: 11 (from human) CCL19), SEQ ID NO: 12 (derived from human AAMP), SEQ ID NO: 13 (derived from human RPS27) and SEQ ID NO: 14 (derived from human DEFA5).
- a mouse muscle cell line, HeLa, a human-derived proliferative cell line, and 293A cell line, a human embryonic kidney cell line were each inoculated into a 48-well plate at a concentration of 8x10 4 cells/well. Thereafter, the plate was placed in a 37° C. incubator to allow the cells to attach and grow for 24 hours.
- Each mRNA prepared in Comparative Examples and Examples was transformed at a concentration of 500 ng/well.
- Lipofectamine 2000 TM was treated for 30 minutes or more to be sufficiently mixed in OPTI-MEM medium using 1 ⁇ l per 1 ⁇ g of each mRNA.
- the 48-well plate to which the cells were attached was taken out, the supernatant was removed, washed with PBS, and removed again. 100 ⁇ l of medium was placed thereon, and 100 ⁇ l of a mixture of mRNA and Lipofectamine 2000TM was added thereto.
- the expression level of Renilla Luciferase after 6 hours was 2X10 7
- the expression level of Renilla Luciferase after curing for 24 hours was 2X10 6
- the expression level of Renilla Luciferase after 6 hours was 7X10 7
- the expression level of Renilla Luciferase after curing for 24 hours was 5.5X10 6 .
- the nucleic acid expression platform serving as the basic template is pHJ5L prepared in Comparative Example, and the expression level of Renilla Luciferase on this platform is set to 1, and the expression level of Renilla Luciferase on the RNA expression platform prepared in Example 1 is expressed in pHJ5L. It was compared with the current amount.
- the measurement results are shown in FIGS. 3 to 8 .
- the nucleic acid molecules prepared in the example in which two downstream translational control elements are inserted between the coding region and the 3' end are inserted into the coding region in the Nor10 cell line, the HeLa cell line, and the 293A cell line. It efficiently enhanced the expression of Renilla Luciferase.
- the mRNA prepared in Comparative Example and Example 1 was formulated with LNP (the same as used in moder or vaccine) to prepare a composition for in vivo injection. Mice were anaesthetized through respiratory anesthesia and their ears were fixed. The composition in which the mRNA prepared in Comparative Examples and Examples was formulated was injected into each mouse ear at a concentration of 5 ⁇ g/20 ⁇ l. At 6 hours and 24 hours after the injection, the mice were sacrificed, and the ears were cut, put in 300 ⁇ l of renilla lysis buffer, and cut into small pieces with scissors. The cut ear of the mouse was ground more finely using a homogenizer, and 20 ⁇ l of the supernatant was added to a white 96-well plate.
- LNP the same as used in moder or vaccine
- the nucleic acid expression platform serving as a basic template is pHJ5L prepared in Comparative Example, and the expression level of Renilla Luciferase on this platform is set to 1. did The measurement results are shown in FIGS. 9 and 10 . As shown in FIGS. 9 and 10, the expression level of Renilla Luciferase was increased in the nucleic acid molecule in which two downstream translation control elements were inserted between the coding region and the 3' end.
- Example 1 The procedure of Example 1 was repeated, except that instead of inserting two downstream translational control elements downstream of the coding region encoding Renilla Luciferase, three downstream translational control elements were inserted. For the three downstream translational control elements, the same downstream translational control elements as those used in Example 1 were independently used.
- the nucleic acid molecule prepared in Example 2 was transformed into 293 A cell line, a human embryonic kidney cell line, in the same manner as in Experimental Example 1, and the expression level of renilla luciferased was measured by a spectrophotometer.
- the nucleic acid expression platform serving as the basic template is pHJ5L prepared in Comparative Example.
- the expression level of Renilla Luciferase on this platform is set to 1, and the expression level of Renilla Luciferase on the RNA expression platform prepared in Example 2 is expressed in pHJ5L. It was compared with the current amount.
- the measurement results are shown in FIGS. 11 and 12 .
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Abstract
Description
Claims (28)
- 번역 조절 요소; 및상기 번역 조절 요소와 작동 가능하게 연결되는 코딩 영역을 포함하고,상기 번역 조절 요소는 상기 코딩 영역의 상류(upstream)에 위치하는 상류 번역 조절 요소와, 상기 코딩 영역의 하류(downstream)에 위치하는 하류 번역 조절 요소를 포함하고,상기 하류 번역 조절 요소는 복수의 하류 번역 조절 요소를 포함하는 핵산 분자.
- 제 1항에 있어서,상기 하류 번역 조절 요소는 상기 코딩 영역의 하류에 위치하는 제 1 하류 번역 조절 요소 및 제 2 하류 번역 조절 요소를 포함하는 핵산 분자.
- 제 1항에 있어서,상기 복수의 하류 번역 조절 요소는 각각 인간 troponin T1, solo skeletal type (인간 TNNT1), 인간 albumin, 인간 ferritin light chain (인간 FTL), 인간 C-C motif chemokine ligand (인간 CCL19), 인간 associated migratory cell protein (인간 AAMP), 인간 ribosomal protein S27 (인간 RPS27) 및 인간 defensing alpha 5 (인간 DEFA5)로 구성되는 군에서 선택되는 어느 하나의 유전자에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 1항에 있어서,상기 복수의 하류 번역 조절 요소는 각각 독립적으로 서열식별번호: 8, 서열식별번호: 9, 서열식별번호: 10, 서열식별번호: 11, 서열식별번호: 12, 서열식별번호: 13 및 서열식별번호: 14로 구성되는 군에서 선택되는 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 TNNT1 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고,상기 제 2 하류 번역 조절 요소는 상기 인간 albumin, 상기 인간 FTL, 상기 인간 CCL19, 상기 인간 AAMP, 상기 인간 RPS27 및 상기 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 albumin 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고,상기 제 2 하류 번역 조절 요소는 상기 인간 DEFA5 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 FTL 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 TNNT1, 상기 인간 FTL, 상기 인간 RPS27 및 상기 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 CCL19 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 TNNT1, 상기 인간 FTL, 상기 인간 CCL19, 상기 인간 RPS27 및 상기 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 AAMP 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 albumin, 상기 인간 FTL, 상기 인간 RPS27 및 상기 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 RPS27 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 TNNT1, 상기 인간 albumin, 상기 인간 FTL, 상기 인간 CCL19, 상기 인간 AAMP, 상기 인간 RPS27 및 상기 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 DEFA5 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 TNNT1, 상기 인간 albumin, 상기 인간 FTL, 상기 인간 CCL19, 상기 인간 AAMP 및 상기 인간 RPS27로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 2항에 있어서,상기 하류 번역 조절 요소는 상기 제 2 하류 번역 조절 요소의 하류에 위치하는 제 3 하류 번역 조절 요소를 더욱 포함하는 핵산 분자.
- 제 12항에 있어서,상기 제 3 하류 번역 조절 요소는 인간 troponin T1, solo skeletal type (TNNT1), 인간 albumin, 인간 ferritin light chain (FTL), 인간 C-C motif chemokine ligand (CCL19), 인간 associated migratory cell protein (AAMP), 인간 ribosomal protein S27 (RPS27) 및 인간 defensing alpha 5 (DEFA5)로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 12항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 TNNT1 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 DEFA5 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 3 하류 번역 조절 요소는 인간 FTL 또는 인간 RPS27 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 12항에 있어서,상기 제 1 하류 번역 조절 요소는 상기 인간 albumin 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 DEFA5 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 3 하류 번역 조절 요소는 인간 RPS27 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 12항에 있어서,상기 제 1 하류 번역 조절 요소는 인간 RPS27 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 인간 FTL 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 3 하류 번역 조절 요소는 인간 CCL19, 인간 RPS27 및 인간 DEFA5로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 12항에 있어서,상기 제 1 하류 번역 조절 요소는 인간 DEFA5 유래의 전사 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 2 하류 번역 조절 요소는 상기 인간 TNNT1 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하고, 상기 제 3 하류 번역 조절 요소는 상기 인간 FTL 유래의 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 1항에 있어서,상기 상류 번역 조절 요소는 인간 troponin T1, solo skeletal type (인간 TNNT1), 인간 albumin, 인간 ferritin light chain (인간 FTL), 인간 C-C motif chemokine ligand (인간 CCL19), 인간 associated migratory cell protein (인간 AAMP), 인간 ribosomal protein S27 (인간 RPS27) 및 인간 defensing alpha 5 (인간 DEFA5)로 구성되는 군에서 선택되는 어느 하나에서 유래한 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 1항에 있어서,상기 상류 번역 조절 요소는 서열식별번호: 1, 서열식별번호: 2, 서열식별번호: 3, 서열식별번호: 4, 서열식별번호: 5, 서열식별번호: 6 및 서열식별번호: 7로 구성되는 군에서 선택되는 번역 조절 요소 또는 이의 전사체 서열을 포함하는 핵산 분자.
- 제 1항에 있어서,상기 핵산 분자는 RNA인 핵산 분자.
- 제 1항에 있어서,상기 핵산 분자는, 상기 코딩 영역과 작동 가능하게 연결되는 전사 조절 요소를 더욱 포함하는 핵산 분자.
- 제 1항에 있어서,상기 핵산 분자는 상기 하류 번역 조절 서열의 하류에 위치하는 폴리아데닐레이션 신호 서열 또는 폴리아데노신 서열을 더욱 포함하는 핵산 분자.
- 제 1항에 있어서,상기 코딩 영역은 리포터 단백질 또는 이의 단편, 및 마커(marker) 또는 선별 단백질 또는 이의 단편 중에서 적어도 하나를 암호화하는 핵산 분자.
- 제 1항에 있어서,상기 코딩 영역은 항원 또는 이의 단편을 암호화하는 핵산 분자.
- 제 24항에 있어서,상기 항원은 병원성 항원, 종양 항원, 또는 이들의 변이체 또는 유도체인 펩타이드를 포함하는 핵산 분자.
- 제 1항에 있어서,상기 코딩 영역은 질병 치료를 위한 펩타이드 또는 이의 단편을 암호화하는 핵산 분자.
- 제 1항에 기재된 핵산 분자가 삽입된 재조합 발현 벡터.
- 제 1항에 기재된 핵산 분자 또는 제 1항에 기재된 핵산 분자가 삽입된 재조합 발현 벡터를 생체 내에 주입하고, 상기 주입된 핵산 분자로부터 단백질 또는 펩타이드를 발현시켜 상기 단백질 또는 펩타이드를 제조하는 방법.
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| EP22907860.5A EP4450628A4 (en) | 2021-12-13 | 2022-12-09 | NUCLEIC ACID EXPRESSION PLATFORM WITH INCREASED EXPRESSION EFFICIENCY |
| KR1020247019080A KR102818855B1 (ko) | 2021-12-13 | 2022-12-09 | 발현 효율을 증가시킨 핵산 발현 플랫폼 |
| CN202280082711.0A CN118434870A (zh) | 2021-12-13 | 2022-12-09 | 提高表达效率的核酸表达平台 |
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| WO2025254371A1 (ko) * | 2024-06-03 | 2025-12-11 | 주식회사 에스엠엘바이오팜 | 비대칭 구조를 가지는 지질 화합물 및 이를 포함하는 지질 나노 입자 조성물 |
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| EP4450628A1 (en) | 2024-10-23 |
| JP7766964B2 (ja) | 2025-11-11 |
| US20250064985A1 (en) | 2025-02-27 |
| EP4450628A4 (en) | 2025-10-22 |
| JP2024545367A (ja) | 2024-12-05 |
| KR102818855B1 (ko) | 2025-06-16 |
| CN118434870A (zh) | 2024-08-02 |
| KR20240111764A (ko) | 2024-07-17 |
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