WO2003060125A1 - Procede de production du peptide kiss-1 - Google Patents
Procede de production du peptide kiss-1 Download PDFInfo
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- WO2003060125A1 WO2003060125A1 PCT/JP2003/000113 JP0300113W WO03060125A1 WO 2003060125 A1 WO2003060125 A1 WO 2003060125A1 JP 0300113 W JP0300113 W JP 0300113W WO 03060125 A1 WO03060125 A1 WO 03060125A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4702—Regulators; Modulating activity
- C07K14/4703—Inhibitors; Suppressors
Definitions
- the present invention provides a fusion protein or polypeptide in which a K i SS-1 peptide is linked to the N-terminus of a low-molecular peptide having a cysteine at the N-terminus, and then the fusion protein or polypeptide is prepared.
- the present invention relates to a method for producing a KiSS-1 peptide or a salt thereof by subjecting the peptide bond to a cleavage reaction.
- peptides When producing peptides using genetic recombination technology, peptides are often expressed in the form of fusion proteins because the peptides are susceptible to degradation in cells.
- the target peptide can be cleaved from the fusion protein by a method of chemically cleaving with bromocyan (Itakura et al., Science, 198, 1056 (1977)), or a method of enzymatically cleaving using after Xa (Nagai et al. Methods in Enzymology, 153, 46 (1987)) are known.
- WO 0/24890 and WO 1/75010 disclose KiSS-1 peptide or a salt thereof used in the present invention.
- WO01 / 444469 discloses a fusion protein in which a KiSS-1 peptide is linked to the N-terminus of a protein or peptide having a cysteine at the N-terminus, a peptide or a salt thereof,
- a method for producing a Ki SS_1 peptide or a salt thereof, characterized by subjecting the peptide to a cleavage reaction of a peptide bond on the amino group side of the compound, is disclosed as a protein or peptide having a cysteine at the N-terminus.
- Interferons interleukins, various growth factors such as fibroblast growth factor (aFGF, bFGF), (pro) perokinase, lymphotoxin, Tumor Necrosis Factor (TNF),] 3-galactosidase , Storage proteins, streptavicin, protein A, protein G, Tissue Plasminogen Activator (TPA), mutins thereof, and parts (fragments) thereof.
- aFGF fibroblast growth factor
- bFGF fibroblast growth factor
- pro perokinase
- lymphotoxin lymphotoxin
- Tumor Necrosis Factor TNF
- the present inventors have conducted intensive studies on a method for efficiently producing a novel physiologically active peptide, KiSS-1 peptide or a salt thereof, and found that a low-molecular-weight peptide having a cysteine at the N-terminus was obtained.
- a fusion protein or polypeptide in which a K i SS-1 peptide is linked to the N-terminus is produced, and then subjected to a reaction for cleaving the peptide bond, whereby a K i SS-1 peptide or a salt thereof is obtained.
- a transformant carrying a vector having a fusion protein or a peptide coding DNA in which a KiSS-1 peptide is linked to the N-terminus of a low-molecular peptide having a cysteine at the N-terminus Culturing to express the fusion protein, peptide or salt thereof, and subjecting the expressed fusion protein, peptide or salt thereof to a cleavage reaction of the peptide bond on the amino group side of the cysteine residue.
- K i SS a method for producing 1 peptide or a salt thereof
- KiSS-1 peptide is a peptide containing the amino acid sequence represented by SEQ ID NO: 1.
- Ki SS-l peptide is (1) a peptide having an amino acid sequence consisting of the 40th to 54th amino acids from the N-terminus of the amino acid sequence represented by SEQ ID NO: 1, (2) represented by SEQ ID NO: 1 A peptide having an amino acid sequence consisting of the 45th to 54th amino acid sequence from the N-terminus of the amino acid sequence, 3 a peptide having an amino acid sequence consisting of the 46th to 54th amino acid sequence from the N-terminus of the amino acid sequence represented by SEQ ID NO: 1 or 4 sequence
- the low-molecular-weight peptide having a cysteine at the N-terminus is a peptide having a cysteine at the N-terminus and comprising about 10 to about 50 amino acid residues.
- the low-molecular peptide is a partial peptide on the C-terminal side of the precursor protein containing the KiSS_1 peptide, starting from an amino acid residue adjacent to the C-terminal amino acid of the KiSS-1 peptide
- the above which is a peptide having an amino acid sequence
- the low-molecular peptide having a cysteine at the N-terminus is a peptide having the amino acid sequence represented by SEQ ID NO: 3 and a cysteine residue added to the N-terminus as described in (1) or (2) above. ) Described manufacturing method,
- a low-molecular-weight peptide having a cysteine at the N-terminus is a peptide having the amino acid sequence represented by SEQ ID NO: 3 and a cysteine residue added to the N-terminus; Is a peptide having the amino acid sequence represented by SEQ ID NO: 1, and the C-terminal of the produced Ki SS-1 peptide is an amide. Is a peptide having an amino acid sequence represented by SEQ ID NO: 1
- N-terminal of a low molecular weight peptide having a cysteine at the N-terminus (here, a low molecular weight peptide is a partial peptide at the C-terminal side of the precursor protein of the target matured peptide) Subjecting the peptide-linked fusion protein, peptide or salt thereof to a cleavage reaction of a peptide bond on the amino side of the cysteine residue.
- N-terminal of a low molecular weight peptide having a cysteine at the N-terminus (here, a low molecular weight peptide refers to a partial peptide at the C-terminal side of the precursor protein of the target matured peptide)
- a fusion protein linked to a peptide or a transformant carrying a vector having a DNA encoding the peptide is cultured to express the fusion protein, peptide or salt thereof, and the expressed fusion protein, peptide or salt thereof is expressed.
- a process for producing a matured peptide of interest or a salt thereof To a cleavage reaction of the peptide bond on the amino group side of the cysteine residue, a process for producing a matured peptide of interest or a salt thereof,
- the low-molecular peptide having a cysteine at the N-terminus is a peptide having a cysteine at the N-terminus and consisting of about 10 to about 50 amino acid residues (19) or (2). 0) described method,
- a low-molecular-weight peptide having a cysteine at the N-terminus refers to a partial peptide at the C-terminal side of the precursor protein of the target matured peptide.
- FIG. 1 shows the DNA fragment used in Example 1.
- FIG. 2 shows the construction of the plasmid pTC2MetC24 obtained in Example 1 c .
- FIG. 3 shows the construction of the plasmid pTC2MetC24 obtained in Example 5 c Best mode to implement
- the Ki SS-1 peptide used in the method of the present invention includes, for example, human Ki SS-1 peptide described in WO 00/24890, and mouse described in WO 01/75 104 Alternatively, a rat K i S S — 1 peptide is used.
- the human Ki SS-1 peptide specifically includes the amino acid sequence represented by SEQ ID NO: 1 of the present application, which contains the 47th to 54th amino acid sequence from the N-terminal, and has 8 to 54 amino acids. And a peptide consisting of the following amino acid residues.
- the peptide comprising the amino acid sequence of the 7th to 54th amino acids and consisting of 8 to 54 amino acid residues includes the amino acid sequence of the 47th to 54th amino acids from the N-terminal in the amino acid sequence represented by SEQ ID NO: 1. Any peptide may be used as long as the peptide contains 8 to 54 amino acid residues and has a peptide activity (for example, a peptide-receptor binding activity, which is induced by a peptide). Cell stimulation activity of the receptor-expressing cells, etc.) are substantially the same. Specifically, (1) the peptide represented by the amino acid sequence represented by SEQ ID NO: 1 of the present application; and (2) the amino acid sequence represented by SEQ ID NO: 1; Has the amino acid sequence of A peptide consisting of 15 amino acid residues is used.
- human K i SS-1 peptide includes (1) a peptide represented by the amino acid sequence represented by SEQ ID NO: 1 of the present application; and (2) an amino acid sequence represented by SEQ ID NO: 1 of the present application.
- the mouse Ki SS-1 peptide (A) includes, for example: (1) the amino acid sequence represented by SEQ ID NO: 16 which contains the amino acid sequence of the 14th to 14th amino acids from the N-terminus; A peptide or the like consisting of two amino acid residues is used. Specifically, (1) a peptide having the 90th to 14th amino acid sequence from the N-terminal of the amino acid sequence represented by SEQ ID NO: 16 (2) a peptide having the amino acid sequence of the 13th to 14th amino acids from the N-terminal of the amino acid sequence represented by SEQ ID NO: 16; (3) a peptide having the amino acid sequence represented by SEQ ID NO: 16 from the N-terminal A peptide having an amino acid sequence of 127 to 14 1 is used.
- the mouse KiSS-1 peptide (B) includes, for example, the amino acid sequence represented by SEQ ID NO: 17 from the N-terminal to the 13th to 14th amino acid sequence; Peptides having the amino acid sequence of the 94th to 144th amino acids from the N-terminal of the amino acid sequence represented by SEQ ID NO: 17 are used. Is used.
- the rat Ki SS — peptide includes, for example, the amino acid sequence of the amino acid sequence represented by SEQ ID NO: 18 from the N-terminal to the 11th to 11th amino acid sequence, and 8 to 52 amino acid sequences.
- the above i SS-1 peptide has ligand activity for the receptor protein OT7T175 described in WO 00/24890 or WO 01/75010 .
- the peptide has an N-terminus at the left end (amino terminus) and a C-terminus at the right end (carboxyl terminus) according to the convention of peptide notation.
- the C-terminus of the peptide represented by SEQ ID NO: 1 is amide (_C0NH 2 ), carboxyl group (-C00H), carboxylate (-C00-I), alkylamide (-C0NHR) or ester (-C00R). ).
- R in the ester or alkylamide examples include, for example, a C j-6 alkyl group such as methylene, ethyl, n-propyl, isopropyl or n-butyl, and a C Q - 8 alkyl group such as pentyl and hexyl. group, phenyl, ct - C e ⁇ 2 Ariru groups, naphthyl, benzyl, phenethyl, phenylene Lou such Benzuhi drill ⁇ 1 - 2 alkyl, or alpha - Nafuchirumechi Le etc. ⁇ - naphthyl, such as single C Bok 2 alkyl In addition to the C n 4 aralkyl group, a bivaloyloxymethyl group commonly used as an oral ester and the like can be mentioned.
- a C j-6 alkyl group such as methylene, ethyl, n-propyl, isopropyl
- the K i SS- 1 peptide, an amino group protecting group of Mechionin residues of N-terminal e.g., formyl group, etc. have 6 Ashiru group such as C 2 _ 6 Arukanoiru groups such Asechiru
- a glutamic acid group generated by cleavage of the N-terminal side in vivo and pyroglutamine oxidation, a substituent on the side chain of an amino acid in the molecule eg, — ⁇ H, —SH, —C ⁇ H , an amino group, imidazo one group, indole group, Guanijino group, etc.
- a suitable protecting group e.g., formyl group, a C physician 6 Ashiru group such as C 2 _ 6 Arukanoiru group such Asechiru
- a complex peptide such as a so-called glycopeptide having a sugar chain bonded thereto.
- the salt of the KiSS-1 peptide of the present invention includes a physiologically acceptable base.
- Salts with (eg, alkali metals) and acids (organic acids, inorganic acids) are used, but physiologically acceptable acid addition salts are particularly preferred.
- a salt for example, salts with inorganic acids (for example, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid) or organic acids (for example, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid, tartaric acid, quenched acid) Acid, malic acid, oxalic acid, benzoic acid, methanesulfonate, benzenesulfonate) and the like.
- inorganic acids for example, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid
- organic acids for example, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid, tartaric acid, quenched acid
- Acid malic acid, oxalic acid, benzoic
- the protein or peptide having a cysteine at the N-terminal used in the method of the present invention is not specified.
- cysteine may be provided at the N-terminal by a method known per se.
- the “low molecular weight peptide” of the low molecular weight peptide having a cysteine at the N-terminal for example, about 10 to 50, preferably about 20 to 40, more preferably about 20 to 30 Those having two amino acid residues are preferred.
- a human Ki SS — 1 peptide precursor containing the amino acid sequence represented by SEQ ID NO: 15 for example, J. Natl. Cancer Inst., 88, 1731, 1996; WO98
- Partial peptides of the 5-1 peptide precursor are used, and among them, the partial peptide on the C-terminal side of these KisS-1 peptide precursors is preferable. More preferably, the low molecular weight peptide is a partial peptide on the C-terminal side of the precursor protein containing the KiSS-1 peptide, wherein the amino acid residue adjacent to the C-terminal amino acid of the KiSS-1 peptide is used. And a peptide having an amino acid sequence starting with ".”
- the low molecular weight peptide for example,
- KiSS-1 peptide is a human KiSS-1 peptide
- a human KiSS-1 peptide precursor containing the amino acid sequence represented by SEQ ID NO: 3 The partial peptide at the c-terminal side of the body
- KiSS-1 peptide is mouse KiSS-1 peptide (A) If the amino acid sequence represented by SEQ ID NO: 16 has the 142nd to 152nd amino acid sequence from the N-terminus, a partial peptide at the C-terminal side of the mouse SS-1 peptide precursor, etc. ,
- the amino acid sequence represented by SEQ ID NO: 17 is the first amino acid sequence of the amino acid sequence represented by SEQ ID NO: 17.
- KiSS-1 peptide is a rat KiSS-1 peptide
- the amino acid sequence at the 120th to 130th amino acid from the N-terminal of the amino acid sequence represented by SEQ ID NO: 18 A partial peptide on the C-terminal side of the rat Ki SS-1 peptide precursor having the following is preferably used.
- cysteine is linked to the N-terminus of these low molecular weight peptides.
- the DNA encoding the fusion protein (including the fusion peptide) used in the method of the present invention may be (1) chemically synthesized from the entire base sequence, or (2) encoded with a low molecular weight peptide.
- the DNA may be constructed by arranging a base sequence encoding cysteine at the N-terminal side of the base sequence, and further arranging a base sequence encoding the KiSS-1 peptide at the N-terminal side. . (3)
- constructing the DNA in which the amino acid residue immediately after the desired fragment is replaced with cysteine by a technique such as site-directed mutagenesis. Good.
- Examples of the production method in the case of the above (1) include, for example, a known method such as a phosphoramidite method, a phosphoric acid triester method, a diester method, and a hydrogen phosphonate method. After splitting and synthesizing, it can be created by ligation using T4 DNA ligase.
- DAN encoding a protein at the C-terminal side may be obtained by digesting from a chromosome or cDNA with an appropriate restriction enzyme and ligating to a vector— Get cDN A. After that, cut with restriction enzymes so that the N-terminus becomes cysteine, or Alternatively, it is modified so that it binds to the 5'-end of some of its genes and the N-terminus becomes cysteine. At its 5'-end, a DAN (either chemically synthesized or cloned from a living organism) that encodes the target protein is connected.
- Specific examples of the DNA encoding the fusion protein thus obtained include, for example,
- R represents the base sequence represented by SEQ ID NO: 4.
- a DNA containing a base sequence represented by the following formula SEQ ID NO: 6 or 7).
- the above formula (I) is obtained through the nucleotide sequence (TGC or TGT) encoding cysteine in the DNA nucleotide sequence (SEQ ID NO: 2) coding for the peptide containing human KiSS-1 peptide. Indicates that the base sequence represented by R (SEQ ID NO: 4) is bound.
- the DNA encoding the human KiSS_1 peptide is a human KiSS_1 containing the DNA represented by the above formula (I) or the amino acid sequence represented by SEQ ID NO: 15. It can also be produced according to a method known per se using a DNA encoding a peptide precursor or a modified DNA thereof (for example, J. Natl. Cancer Inst., 88, 1731, 1996; WO 98/39448).
- the DNA encoding mouse KiSS-1 peptide is a DNA encoding mouse KiSS-1 peptide precursor (A) having the amino acid sequence represented by SEQ ID NO: 16 (SEQ ID NO: 16). : 19) or a modified DNA thereof (WO01 / 75104) or a DNA (sequence) encoding the mouse KiSS-1 peptide precursor (B) having the amino acid sequence represented by SEQ ID NO: 17 No. 20) or its modified DNA (WO 01 Z 75 104) can be produced according to a method known per se.
- the DNA encoding rat KiSS-1 peptide is a DNA encoding rat KiSS-1 peptide precursor having the amino acid sequence represented by SEQ ID NO: 18 (SEQ ID NO: 18). 21) or its modified DNA (WO 01 75 1 04 ) Can be produced according to a method known per se.
- a DNA (plasmid) having an ATG at the 5 ′ end and a region encoding the fusion protein downstream thereof, and a translation stop codon is a known DNA synthesized by chemical synthesis or genetic engineering. It can be produced by processing the cDNA of the protein or the chromosome-derived DNA of the protein.
- the low-molecular-weight peptide having a cysteine at the N-terminus of the present invention is a fusion protein in which a KiSS-1 peptide is linked to the N-terminus or a DNA encoding the peptide is synthesized by a conventional DNA technique, for example, site-directed. Using mutagenesis techniques, the desired mutin can be converted into coding DNA.
- the plasmid used as a vector includes, for example, pBR32 2 derived from Escherichia coli [Gene, 2 , 9 5 (1 9 7 7)], pBR 3 1 3 [Gene, 2, 7 5 (1 9 7 7)], ⁇ R 324, ⁇ ⁇ R 3 2 5 [Gene, 4, 1 24 (1 9 7 8)], ⁇ R 3 27, ⁇ R 3 2 8 [Gene, 9, 2 8 7 (1 98 0)], pBR 3 2 9 [Gene, 1 7, 7 9 (1 9 8 2 )], ⁇ 2 289 [Gene, 3, 1 (1 977)], ⁇ 2700 [Biochemistry, 52, 770 (1 980)], pAC YC 1.77, pAC YC 184 [Journal of Bacteriology, 13 4, 1 1 4 1 (1 9 7 8)], ⁇ RK 248, ⁇ RK 6 46, pD F Methods in En
- bacteriophages such as phages Natl. Acad. Sci. USA 71, 45 79 (1974)], ⁇ gt ⁇ IB [Proc. Natl. Acad. Sci. USA 7 2, 34 6 1 (1 9 7 5)], ⁇ Dam [Gene, 1, 2 5 5 (1 9 7 7)] ⁇ Shialon vector [Science, 1 96, 16] 1 (1 9 7 7); Journal of Virology, 2, 9, 5 5 5 (1 9 7 9)], nip-based mp 18 using filamentous phage , mpl 9 [Janish-Peron et al., Gene, 33, 103 (1989)] vector.
- the DNA preferably has a promoter upstream of ATG, and the promoter may be any promoter as long as it is appropriate for the host used for the production of the transformant.
- trp promoter lac promoter, rec A promoter, LPL promoter, lpp promoter, T7 promoter, etc. for Escherichia coli, and SPO1 promoter, SP02 promoter for Bacillus subtilis, etc.
- pen P promoter include the PH05 promoter, PGK promoter, GAP promoter, and ADH promoter in yeast (aaccharomyces cerevisiae), and the promoter derived from SV40 in animal cells. If necessary, a Shine and Dalgarno (SD) sequence may be inserted downstream of the promoter.
- SD Shine and Dalgarno
- the T7 promoter When the T7 promoter system is used, the T7 promoter includes 17 types of promoters found on T7 DNA [JL Oakley et al., Proc. Natl. Acad. Sci, US A, 74: 4. 2 6 6 -4 2 7 0 (1 9 7 7), MD Rosa, Cell 16: 8 15-8 2 5 (1 9 7 9), N. Panayotatos et al., Nature, 28
- a terminator operating in an E. coli system preferably a ⁇ terminator [FW Studier et al., J. Mol. Biol., 189:
- RNA polymerase genes include ⁇ 7 genes [FW Studier et al. J. Mol. Biol., 1 89: 1 13—1 3 0 (1 9 8 6)].
- the vector is preferably constructed by incorporating a T7 promoter and a T7 terminator into the above vector.
- Such vectors include pET-1, pET-2, pET-3, and pET. — 4, pET— 5 [AH Rosenberg, Gene 56: 1 2 5—1 3 5 (1 9 8 7)], TB 960-2 [EP-A-49 9 9 9 9
- the transformant of the present invention can be prepared by subjecting the expression plasmid obtained by the above-described method to a method known per se [eg, Coen S, N, et al., Processing 'National' AcaDemi-1 'Ob' Science ( Proc. Natl. Acad. Sci. USA), 69, 2110 (1972)].
- Examples of the host of the microorganism to be transformed include Escherichia coli
- Escherichia bacteria examples include Escherichia coli and E. coli.
- Escherichia coli K12DH1 [Pecchia seeding of Ob. Natl. Acad. Sci. USA, 60, 160 (19668)], JM-103 (Nucleic Acids Research), 9, 309 (1 1981)], JA 221 (Journal of Molecular Biology, 120, 5 17 (1978)], HB 10 1 [Journal 'ob' molecular bio-biochemistry, 41, 45 9 (196 9)], C 600 [Genetics, 39, 44 0 (19 54) , N4 830 (Cell, 25, 713 (1 1981)), K12MM2 94 [Proceedings of National Academy of Sciences, 73, 4 1 74 (1 9 7 6 )] B L— 21 and the like.
- Bacillus genus examples include Bacillus subtilis. Specifically, Bacillus' Sacillus MI114 (Gene, 24, 25 (1978)), 20 07 -2 1 [Journal of Biochemistry, 95, 87 (1 1984)].
- yeast examples include Saccharomyces cerevisiae, and specifically, Saccharomyces cerevisiae AH22 [Proc. Natl. Acad. Sci. USA, 75, 1929 (1977) 8)], XSB 52-23 C [Proc. Natl. Acad. Sci. USA, 7 7 2 1 7 3 (1 980)], BH-641 A (ATCC 2 8 3 3 9 ), 20 B-12 (Genetics, 85, 23 (1 977 6)), GM3 C—2 [Proc. Natl. Acad. Sci. Usa, 7 8 2 2 5 8 (1 9 8 1 )].
- monkey cells CO S-7 [Cell, 23, 17 5 (1 9 8 1)], Vero [(Japanese clinical 21 1, 12 9 (1 9 6 3) ], Chinese hamster cell CHO [Journal 'obexperimental' Medicin (J. Exp. Med.), 108, 945 (19985)], mouse L cell [journal obov ⁇ National Cancer Institute (J. Nat. Cancer Inst.), 4, 165 (1943)], human FL cells [Procedures' of the Society for Extracts] Biologic 'and' Medisin (Proc. Soc. Exp. Biol. Med.), 94, 53 (1957)], nomster C cells, and the like.
- the host of the transformant may be T7 RNA polymerase gene (T7 gene 1) [FW Studier et al., J. Mol. Biol. 189: 113- Escherichia coli strains that have integrated the T7R ⁇ polymerase gene (eg, MM294, DH-1, C600, JM109, BL21, certain ⁇ Escherichia coli strains that incorporate 7 genes 1) together with other plasmids are used.
- strain # 294 and strain BL21 in which a phage into which # 7 gene 1 is incorporated are lysogenized are used.
- a lac promoter whose expression is induced by isopropyl-11-thio- ⁇ -D-galactopyranoside (sometimes abbreviated as IPTG) is used as the promoter of gene 7.
- Transformation of a bacterium of the genus Bacillus as a host can be performed according to a known method such as, for example, Molecular and General Genetics, 168, 111 (1979).
- the fusion protein can be produced by culturing the above-mentioned transformant in a medium and collecting the produced fusion protein. it can.
- the pH of the medium is preferably about 6-8.
- a medium for cultivating a bacterium belonging to the genus Escherichia for example, an M9 medium containing glucose and casamino acids (Miller, Journal 'Ob'Experimentin', Moleculara, Shea Intacts, Journal of Experiments in Molecular Genetics) 431-433, Cold Spring Harbor Laboratory, New York 1972)] Force S preferred.
- a drug such as 33-indolylacrylic acid or isopropyl i3-D-thiogalactobyranoside (IPTG) can be added to make the promoter work efficiently if necessary.
- the cultivation is usually performed at about 15 to 43 ° C for about 3 to 24 hours, and if necessary, aeration and stirring can be added.
- the cultivation is usually carried out at about 30 to 40 ° C for about 6 to 24 hours, and if necessary, aeration and stirring may be added.
- the medium When culturing a transformant in which the host is yeast, for example, the medium may be Burkholder's minimal medium [Bostian, KL et al., Proceedin Das 'Ob National', Academy of Sciences (Pro Natl. Acad. Sci.) USA, 77, 4505 (1980)]. Adjust the pH of the medium to about 5-8 preferable. Culture is usually carried out at about 20 to 35 ° C for about 24 to 72 hours, and aeration and stirring are added as necessary.
- the medium When culturing a transformant in which the host is an animal cell, the medium may be, for example, a MEM medium containing about 0.2 to 20%, preferably about 5 to 20% of fetal bovine serum [Science, 122, 501 (1952)], DME medium (Virology, 8, 396 (1959)), RPM I 1640 medium [Journal of Ob the American American Metical Canal Association (The Journal) of the American Medical Association), 199, 519 (1967)], 199 medium [Proceeding of the Society for the Biologcal Medicine] , 73, 1 (1950)].
- the pH is about 6-8.
- the cultivation is usually performed at about 30 to 40 ° C, and the culturing time is about 15 to 60 hours. Aeration and stirring are added as necessary.
- the fusion protein can be produced by culturing the above transformant, producing and accumulating the fusion protein in a culture, and collecting this.
- M9 medium containing glucose and casamino acid M9 medium containing glucose and casamino acid [Mira, J., Experimment in 'Experiments in Molecular Genetics', 4 3 1-4 3 3 (the old Spring Horbor Laboratort) , New York 197 2)] 2 XYT medium [Messing, Methods' Methods in Enzymology, 101, 20 (1 983)] LB medium.
- the cultivation is usually performed at about 15 to 43 ° C for about 3 to 24 hours, and if necessary, aeration and stirring may be added.
- the culture is carried out at about 15-36 ° C, preferably about 30-36 ° C.
- the reaction is carried out at a temperature of ° C, and the inactivation of the AcIts repressor is carried out at about 37-42 ° C.
- a drug such as mitomycin C, naldixic acid, or irradiate ultraviolet rays, or You may change pH to the side of the power.
- T7 promoter system When the T7 promoter system is used, (1) When expressing the T7 gene (RNA polymerase gene) linked downstream of the lac promoter, add IPTG or the like, or 2) When expressing the T7 gene (RNA polymerase gene) linked downstream of the ⁇ promoter, increase the temperature of the culture, etc., to specifically generate the T7 phage RNA polymerase 1 Activate the promoter.
- the cells After culturing, the cells are collected by a known method, suspended in a buffer, for example, treated with a protein denaturant, treated with an enzyme such as sonicated lysozyme, treated with glass beads, French pressed, frozen and thawed. And the like, to disrupt the cells, and obtain a supernatant by a known method such as centrifugation.
- a buffer for example, treated with a protein denaturant, treated with an enzyme such as sonicated lysozyme, treated with glass beads, French pressed, frozen and thawed.
- an enzyme such as sonicated lysozyme
- a generally known protein purification method may be used. For example, gel filtration, ion exchange chromatography, adsorption chromatography, high performance liquid chromatography, affinity chromatography, hydrophobic chromatography, electrophoresis and the like can be appropriately combined. Further, the fusion protein may proceed to the next reaction step without purification or in a partially purified state.
- the thus obtained fusion protein or peptide is subjected to a cleavage reaction of the peptide bond on the amino side of the cysteine residue.
- the cleavage reaction include an S-cyanation reaction and a hydrolysis reaction.
- the cleavage reaction includes, for example, an S-cyanolation reaction and then an ammonolysis.
- the S-cyanation reaction is carried out by reacting a starting compound with an S-cyanation reagent.
- S-cyanation reagent examples include 2-nitro-5-thiocyanobenzoic acid (NTC B), 1-cyano-4-dimethylaminopyridinium salt (DMAP-C
- the amount of the S-cyanation reagent may be about 2 to 50 times, and preferably about 5 to 10 times, the total number of thiol groups in moles.
- the reaction temperature may be any as long as it is between about 0 to 80 ° C, and may be about 0 to 50 ° C. Between is more preferred.
- any buffer may be used as long as it does not react with the S-cyanation reagent.
- the organic solvent may be present as long as it does not react with the S-cyanation reagent.
- the reaction is preferably performed between ⁇ 1 and 12.
- the pH is preferably 7 to 10; when DMAP-CN is used, the pH is preferably 2 to 7 to prevent the SS exchange reaction.
- a denaturant such as guanidine hydrochloride may be present in the reaction solution.
- ammonolysis or hydrolysis reaction includes, for example, subjecting it to an alkaline treatment.
- the alkali treatment is carried out by adjusting the pH of the aqueous solution containing the starting compound to 7 to 14.
- the pH is adjusted by, for example, using a solution of ammonia, sodium hydroxide, an amino compound, trizumabase (tris [hydroxymethyl] monoaminomethane), disodium phosphate, potassium hydroxide, barium hydroxide, etc., as the starting compound.
- An appropriate amount is added to the aqueous solution, but ammonia is particularly preferred.
- the concentration of the solution in the above reaction may be, for example, about 0.01 to 1 in the case of ammonia or an amino compound, preferably about 0.1 to 3 N in the case of sodium hydroxide, or about 0 to 3 N in the case of sodium hydroxide.
- 0.1 to 2 N preferably about 0.05 to 1 N, about 1 mM to 1 M, preferably about 20 mM to 200 mM for trizuma base, about 1 for sodium phosphate dibasic mM to 1 M, preferably about 1 O mM to 10 O mM, and in the case of potassium hydroxide, about 0.1 to 1 N, preferably about 0.1 to 2 N.
- the reaction temperature may be any as long as it is between about ⁇ 20 and 80 ° C., and more preferably between about ⁇ 10 and 50 ° C.
- the reaction time is preferably about 1 to 60 minutes, preferably about 15 to 30 minutes for the S-cyanation reaction, and about 5 to 100 hours, preferably 10 minutes to 15 for the hydrolysis reaction.
- the time is about 5 minutes to 24 hours, preferably about 10 to 180 minutes for ammonolysis.
- the amino compound includes, for example, a compound represented by the formula R 1 — (NR 2 ) _H (wherein R 1 and R 2 are the same or different, and (i) a hydrogen atom, (ii) C— 2 .
- An alkyl group , C 3 _ 8 consequent opening alkyl group, C 6 - 14 Ariru (aryl) group, or a C 6 _ 14 Ariru one C ⁇ 3 alkyl group (which do not have a substituent or 1-3 amino groups , A hydroxyl group or the like may be present on a carbon atom), (iii) an amino group which may be substituted, (iv) a hydroxyl group or a C ⁇ e alkoxy group.) Can be
- reaction shown in FIG. 1 occurs by the S-cyanation and ammonolysis or hydrolysis described above.
- the above-mentioned by Uni ami de (- C0NH 2), carboxyl group, carboxylate (-C00-), Al Kiruami de (- C0NHR) or Esters (-C00R) may be used, and amides, carboxyl groups (-C00H) or alkylamides are preferable, and amides or alkylamides are particularly preferable.
- the C-terminal of the KiSS-1 peptide obtained by the production method of the present invention may be one CO-X shown in FIG. 1.
- X represents R 1 — (NR 2 ) — (wherein each symbol has the same meaning as described above.) Or ⁇ H.
- alkyl examples include, for example, methyl, ethyl, propyl, isopropyl, butinole, sec-butyl, pentinole, isopentyl, nesentia pentinole, 1-ethinole pentinole, hexinole, isohexinole, heptinole, octinole, Nonanyl, decanyl, pendecanil, dodecanyl, tetradecanyl, pentadecanyl, hexadenicil, heptadecanil, octadecanyl, nonadenicil and eicosanil.
- cycloalkyl e.g., cyclopropyl, cyclo Buchinore, cyclopentyl Honoré, Kishinore cyclohexane, Puchinore cyclohexane, etc. Shikurookuchi Le and the like.
- C 6 -arylalkyl examples include, for example, benzyl and phenyl. Enethyl, 3-phenylpropyl, (1-naphthyl) methyl, (2-naphthyl) methyl and the like.
- Examples of the C alkoxy include methoxy, ethoxy, propoxy, butoxy, pentyloxy, hexyloxy and the like.
- optionally substituted amino substituents of the above (ii) include, for example, amino acids and peptides composed of 2 to 10 amino acids.
- the above amino acid may be L-integrated or D-isomer, for example, Ala, Arg, Asp, Asn, Glu, Gin, Gly, His, lie, Met, Leu, Lys, Phe, Pro, Ser, Thr, Trp, Tyr, Val and the like.
- Examples of the peptide for example, HD- Leu-Leu- Arg- Pro- NH-C 2 H 5,
- R 2 is a hydrogen atom
- R 1 is a hydrogen atom or C ⁇ 2 .
- Alkyl groups are preferred.
- the isolated target peptide can be isolated by following a generally known method for purifying a peptide. For example, gel filtration, ion exchange chromatography, high performance liquid chromatography, affinity chromatography, hydrophobic chromatography, thin layer chromatography, electrophoresis and the like can be appropriately combined.
- KiSS-1 peptide or a salt thereof may be isolated and purified from the reaction solution by known purification means, for example, extraction, salting out, partitioning, recrystallization, chromatography and the like.
- purification means for example, extraction, salting out, partitioning, recrystallization, chromatography and the like.
- SP-Sepharose Pharmacia Biotech Co., Ltd.
- DEAE-5 PW Tohoku Soichi Co., Ltd.
- SP-5 PW Tohso Soichi Co., Ltd.
- a purification method using ion-exchange chromatography for example, SP-Sepharose (Pharmacia Biotech Co., Ltd.), DEAE-5 PW (Tohoku Soichi Co., Ltd.)
- SP-5 PW Tohso Soichi Co., Ltd.
- Ki SS-1 peptide or a salt thereof can be lyophilized to a powder if necessary.
- lyophilization use sorbitol, mannitol, dextrose, manoletose, trenperulose, and glycerol. Any stabilizer can be added.
- the K i SS-1 peptide or a salt thereof produced by the method of the present invention can be mixed with sterilized water, human serum albumin (HSA), physiological saline or other known physiologically acceptable carriers. It can be administered parenterally or topically to mammals (eg, humans). For example, the daily dosage is about 0.01 mg to 50 mg, preferably about 0.1 mg to 10 mg per person, administered parenterally by intravenous injection or intramuscular injection. be able to.
- HSA human serum albumin
- Formulations containing KiSS_1-peptide or a salt thereof produced by the method of the present invention may contain physiologically active substances such as salts, diluents, adjuvants, other carriers, buffers, binders, surfactants and preservatives. It may also contain other chemically acceptable active ingredients. Preparations for parenteral administration may be sterile aqueous solutions or suspension samples in physiologically acceptable solvents, or sterile powders (usually diluted with a peptide solution) which can be diluted before use with physiologically acceptable diluents. It is provided as an ampoule (obtained by lyophilization).
- Ki SS-1 peptide or a salt thereof obtained by the production method of the present invention has a cancer metastasis inhibitory activity, it can be used for any cancer (eg, lung cancer, stomach cancer, liver cancer, Teng cancer, colorectal cancer, rectal cancer, colon cancer). It is useful as a prophylactic or therapeutic drug for cancer, prostate cancer, ovarian cancer, cervical cancer, breast cancer, etc.
- Ki SS-1 peptide or its salt since Ki SS-1 peptide or its salt has a placental function regulating action, it may cause choriocarcinoma, hydatidiform mole, invasive mole, miscarriage, fetal growth deficiency, abnormal glucose metabolism, abnormal lipid metabolism, or induced labor. Useful as a prophylactic or therapeutic agent.
- the KiSS-1 peptide is replaced with another target mature peptide, and a low molecular weight peptide having a cysteine at the N-terminal is further substituted with a C-terminal of the precursor protein of the target mature peptide.
- the target mature peptide can be produced in the same manner by substituting the partial peptide on the side.
- the partial peptide at the C-terminal side of the precursor protein of the present invention is a partial peptide at the C-terminal side of the precursor protein containing the target mature peptide.
- a peptide having an amino acid sequence starting from an amino acid residue adjacent to the C-terminal amino acid residue of the target mature peptide is used.
- Examples of the partial peptide at the C-terminal side of the precursor protein of the target matured peptide include, for example, about 10 to 50, preferably about 10 to 50 at the C-terminal side of the precursor protein of the matured target peptide.
- a partial peptide having 20 to 40, more preferably about 20 to 30 amino acid residues is used.
- Glx Glutamine or glutamic acid
- sequence numbers in the sequence listing in the present specification indicate the following sequences.
- the nucleotide sequence of DNA encoding a low molecular weight peptide is shown.
- the base sequence 1 of a DNA fragment encoding the fusion protein represented by the formula (I) is shown.
- nucleotide sequence 2 of the DNA fragment encoding the fusion protein represented by the formula (I) is shown. [SEQ ID NO: 8]
- Example 1 shows the nucleotide sequence of an oligomer used in the preparation of the structural gene for iS S-1 peptide in Example 1.
- Example 1 shows the base sequence of the oligomer used in Example 1 for preparing the structural gene of the KiSS-1 peptide.
- Example 1 shows the nucleotide sequence of an oligomer used in the preparation of the structural gene for iS S-1 peptide in Example 1.
- Example 1 shows the nucleotide sequence of an oligomer used in the preparation of the structural gene for iS S-1 peptide in Example 1.
- Example 1 shows the nucleotide sequence of the DNA fragment obtained in Example 1.
- Example 1 shows the nucleotide sequence of the DNA fragment obtained in Example 1.
- Example 1 shows the nucleotide sequence of the DNA fragment obtained in Example 1.
- 3 shows the amino acid sequence of KiSS-1 peptide precursor.
- FIG. 2 shows the amino acid sequence of mouse KiSS_1 peptide precursor (A).
- the DNA fragments # 1 to # 4 obtained in a) above were combined to give 40 ⁇ l.
- the mixture was kept at 65 ° C. for 10 minutes, and then gradually cooled to room temperature for annealing.
- a ligation reaction was performed on 10 ⁇ l of this annealing solution using T4 DNA Ligase (Takara Shuzo).
- Ligation Knocker 2 ⁇ l and ⁇ 4 DNA Ligation 1 1 (350 units) was added, mixed well, reacted at 16 ° C for 17 hours, ligated, and then heat-treated at 65 ° C for 5 minutes.
- the DNA fragment thus obtained was phosphorylated with T4 polynucleotide kinase (Takara Shuzo), and then subjected to 1.8% low melting point agarose gel electrophoresis to obtain a 96 bp DNA fragment (SEQ ID NO: 12).
- SEQ ID NO: 12 was extracted using ELUTIP Minicolumn (S & S), dissolved in 201 TE buffer, and subjected to the following (c).
- Escherichia coli JM109 competent cells (Takara Shuzo) were transformed with 10 ⁇ ⁇ ⁇ of this reaction solution, and seeded on an LB agar medium containing 10 ⁇ g / m1 tetracycline. The cells were cultured at 37 ° C, and the resulting tetracytaline-resistant colonies were selected. The transformant was cultured in an LB medium for 1 mm, and a plasmid pTC2MetC24 was prepared using a QIAprep8 Miniprep Kit (Qiagen). The nucleotide sequence of the C i SS-1 structural gene portion with the addition of the C-terminal 24 amino acids was confirmed using an Applied Biosystems model 3100 DNA sequencer.
- Escherichia coli MM294 (DE3) was transformed with the plasmid pTC2MetC24 to obtain a KiSS-1 protein-expressing strain MM294 (DE3) /pTC2MetC24-1.3 with a C-terminal 24 amino acid addition.
- MM294 (DE3) / pTC2MetC24-l.3 in a volume of 2 L using 1 L (1% peptone, 0.5% yeast extract, 0.5% sodium chloride) in LB medium containing OmgZL tetracycline
- the cells were shake-cultured at 37 ° C for 8 hours in a flask.
- the obtained culture solution was added to a 19 L main fermentation medium (1.68% sodium monohydrogen phosphate, 0.3% potassium dihydrogen phosphate, 0.1% ammonium chloride, 0.05% sodium chloride).
- This solution was diluted 4-fold with a 1 M urea solution, adjusted to pH 6.0 with acetic acid, and equilibrated with 5 OmM MES-NaOH buffer (pH 6.0). 75 m on a 0 C column (5 cm I Dx20 cmL, Tosoichi) After passing through and adsorbing at a flow rate of L time, 5 OmM MES-NaOH buffer 0.2 M NaC 1 pH 6.0 Washing with 50 mM MES-NaOH buffer 0 Eluted with 5M NaC1 pH 6.0.
- the lyophilized powder was dissolved in a 0.1M acetic acid 6M urea solution, about 1.5 mg of DMAP-CN (l-cyano-4-dimethylaminopyridinium tetrafluoroborate) was added, and the mixture was reacted at room temperature for 15 minutes. After the completion of the reaction, the reaction solution was passed through a Sephadex G_25 column (2.5 cm IDx50 cmL, Pharmacia) equilibrated with 1 potassium phosphate 5 OmM, and 5 OmM phosphate used for equilibration was passed. One capsule was developed at a flow rate of 1 OralZ to obtain an S-cyanated KiSS-1 peptide-24 amino acid adduct protein fraction.
- DMAP-CN l-cyano-4-dimethylaminopyridinium tetrafluoroborate
- the eluate was concentrated and desalted with Centriplus (fraction molecular weight: 3 kDa; Millipore) to obtain a desalted solution of a KiSS-1_24 amino acid adduct.
- Centriplus fraction molecular weight: 3 kDa; Millipore
- urea was added to this desalted solution to a final concentration of 6 M
- 25% aqueous ammonia was further added to a 3 M ammonia concentration, and the mixture was reacted at room temperature for 15 minutes.
- the pH was adjusted to 6.0 with acetic acid to obtain a KiSS-1 peptide.
- the reaction solution was passed through a Sephadex G-25 column (2.5 cm IDx50 cmL) equilibrated with 50 mM potassium phosphate, and the 50 mM phosphoric acid was used for equilibration.
- the lyme was developed at a flow rate of 1 OmlZ to obtain a KiSS_1 peptide fraction.
- This fraction was passed through C4P-50 (21.5 mm ID 300 mmL, Showa Denko) equilibrated with 0.1% trifluoroacetic acid, adsorbed and washed, and then flowed at 5 mL / min.
- Amino acid composition was determined using an amino acid analyzer (Hitachi L-8500A Amino Acid Analyzer). The results agreed with the amino acid composition predicted from the DNA base sequence of the KiSS_1 peptide [Table 1].
- the N-terminal amino acid sequence was determined using a gas phase protein sequencer (PE Applied Biosystems model 4.92). As a result, it was consistent with the N-terminal amino acid sequence predicted from the DNA sequence of K i S S-1 peptide.
- Example 5 Production of DNA Encoding K-SS-1 Peptide with Addition of C-terminal 24 Amino Acids (2)
- cancer for example, lung cancer, stomach cancer, liver cancer, carcinoma, colon cancer, rectum cancer, colon cancer, prostate cancer, ovarian cancer, cervical cancer, breast cancer, etc.
- cancer for example, lung cancer, stomach cancer, liver cancer, carcinoma, colon cancer, rectum cancer, colon cancer, prostate cancer, ovarian cancer, cervical cancer, breast cancer, etc.
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Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/500,688 US20050176091A1 (en) | 2002-01-11 | 2003-01-09 | Process for producing kiss-1 peptide |
| EP03700510A EP1466976A4 (en) | 2002-01-11 | 2003-01-09 | PROCESS FOR PREPARING KISS-1 PEPTIDES |
| CA002472423A CA2472423A1 (en) | 2002-01-11 | 2003-01-09 | Process for producing kiss-1 peptide |
| AU2003201854A AU2003201854A1 (en) | 2002-01-11 | 2003-01-09 | PROCESS FOR PRODUCING KiSS-1 PEPTIDE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002-5180 | 2002-01-11 | ||
| JP2002005180 | 2002-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003060125A1 true WO2003060125A1 (fr) | 2003-07-24 |
Family
ID=19191077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/000113 Ceased WO2003060125A1 (fr) | 2002-01-11 | 2003-01-09 | Procede de production du peptide kiss-1 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050176091A1 (ja) |
| EP (1) | EP1466976A4 (ja) |
| AU (1) | AU2003201854A1 (ja) |
| CA (1) | CA2472423A1 (ja) |
| WO (1) | WO2003060125A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7625869B2 (en) | 2004-06-25 | 2009-12-01 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US7754220B2 (en) | 2003-03-12 | 2010-07-13 | Takeda Pharmaceutical Company Limited | Methods of inhibiting secretion of follicle-stimulating hormone and testosterone |
| US7786083B2 (en) | 2006-10-25 | 2010-08-31 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US7960348B2 (en) | 2005-12-22 | 2011-06-14 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US8361968B2 (en) | 2002-12-26 | 2013-01-29 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US8404643B2 (en) | 2005-12-22 | 2013-03-26 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090099334A1 (en) * | 2005-12-22 | 2009-04-16 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| PT2314609T (pt) * | 2008-07-30 | 2017-03-06 | Takeda Pharmaceuticals Co | Derivado de metastina e sua utilização |
| US8921599B2 (en) | 2010-10-27 | 2014-12-30 | Emory University | Processes for forming amide bonds and compositions related thereto |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499990A2 (en) * | 1991-02-19 | 1992-08-26 | Takeda Chemical Industries, Ltd. | Method for producing cysteine-free peptides |
| EP0887417A2 (en) * | 1997-06-27 | 1998-12-30 | Takeda Chemical Industries, Ltd. | Method of producing a 19P2 ligand by cleavage of a fusion protein containing it |
| WO2000024890A1 (en) * | 1998-10-27 | 2000-05-04 | Takeda Chemical Industries, Ltd. | Novel g protein-coupled receptor proteins, dnas thereof and ligands to the same |
| WO2001044469A1 (fr) * | 1999-12-17 | 2001-06-21 | Takeda Chemical Industries, Ltd. | PROCEDE DE PRODUCTION DE PEPTIDE KiSS-1 |
| WO2001075104A1 (fr) * | 2000-03-30 | 2001-10-11 | Takeda Chemical Industries, Ltd. | Nouvelle proteine, adn codant pour celle-ci, et son procede de production |
-
2003
- 2003-01-09 US US10/500,688 patent/US20050176091A1/en not_active Abandoned
- 2003-01-09 CA CA002472423A patent/CA2472423A1/en not_active Abandoned
- 2003-01-09 WO PCT/JP2003/000113 patent/WO2003060125A1/ja not_active Ceased
- 2003-01-09 EP EP03700510A patent/EP1466976A4/en not_active Withdrawn
- 2003-01-09 AU AU2003201854A patent/AU2003201854A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0499990A2 (en) * | 1991-02-19 | 1992-08-26 | Takeda Chemical Industries, Ltd. | Method for producing cysteine-free peptides |
| EP0887417A2 (en) * | 1997-06-27 | 1998-12-30 | Takeda Chemical Industries, Ltd. | Method of producing a 19P2 ligand by cleavage of a fusion protein containing it |
| WO2000024890A1 (en) * | 1998-10-27 | 2000-05-04 | Takeda Chemical Industries, Ltd. | Novel g protein-coupled receptor proteins, dnas thereof and ligands to the same |
| WO2001044469A1 (fr) * | 1999-12-17 | 2001-06-21 | Takeda Chemical Industries, Ltd. | PROCEDE DE PRODUCTION DE PEPTIDE KiSS-1 |
| WO2001075104A1 (fr) * | 2000-03-30 | 2001-10-11 | Takeda Chemical Industries, Ltd. | Nouvelle proteine, adn codant pour celle-ci, et son procede de production |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1466976A4 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8361968B2 (en) | 2002-12-26 | 2013-01-29 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US7754220B2 (en) | 2003-03-12 | 2010-07-13 | Takeda Pharmaceutical Company Limited | Methods of inhibiting secretion of follicle-stimulating hormone and testosterone |
| US7625869B2 (en) | 2004-06-25 | 2009-12-01 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US8778871B2 (en) | 2004-06-25 | 2014-07-15 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US7960348B2 (en) | 2005-12-22 | 2011-06-14 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US8404643B2 (en) | 2005-12-22 | 2013-03-26 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US7786083B2 (en) | 2006-10-25 | 2010-08-31 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
| US8765909B2 (en) | 2006-10-25 | 2014-07-01 | Takeda Pharmaceutical Company Limited | Metastin derivatives and use thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1466976A4 (en) | 2005-11-09 |
| EP1466976A1 (en) | 2004-10-13 |
| AU2003201854A1 (en) | 2003-07-30 |
| US20050176091A1 (en) | 2005-08-11 |
| CA2472423A1 (en) | 2003-07-24 |
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