WO2001044469A1 - PROCEDE DE PRODUCTION DE PEPTIDE KiSS-1 - Google Patents
PROCEDE DE PRODUCTION DE PEPTIDE KiSS-1 Download PDFInfo
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- WO2001044469A1 WO2001044469A1 PCT/JP2000/008837 JP0008837W WO0144469A1 WO 2001044469 A1 WO2001044469 A1 WO 2001044469A1 JP 0008837 W JP0008837 W JP 0008837W WO 0144469 A1 WO0144469 A1 WO 0144469A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K19/00—Hybrid peptides, i.e. peptides covalently bound to nucleic acids, or non-covalently bound protein-protein complexes
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/02—Preparation of peptides or proteins having a known sequence of two or more amino acids, e.g. glutathione
-
- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
- C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
- C07K5/08—Tripeptides
- C07K5/0802—Tripeptides with the first amino acid being neutral
- C07K5/0804—Tripeptides with the first amino acid being neutral and aliphatic
- C07K5/081—Tripeptides with the first amino acid being neutral and aliphatic the side chain containing O or S as heteroatoms, e.g. Cys, Ser
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- 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
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/62—DNA sequences coding for fusion proteins
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P21/00—Preparation of peptides or proteins
- C12P21/06—Preparation of peptides or proteins produced by the hydrolysis of a peptide bond, e.g. hydrolysate products
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/70—Fusion polypeptide containing domain for protein-protein interaction
- C07K2319/74—Fusion polypeptide containing domain for protein-protein interaction containing a fusion for binding to a cell surface receptor
- C07K2319/75—Fusion polypeptide containing domain for protein-protein interaction containing a fusion for binding to a cell surface receptor containing a fusion for activation of a cell surface receptor, e.g. thrombopoeitin, NPY and other peptide hormones
Definitions
- the present invention provides a KiS S-1 by producing a fusion protein or polypeptide and then subjecting the fusion protein or polypeptide to a peptide bond cleavage reaction.
- the peptide When a peptide is produced using a gene recombination technique, the peptide is often expressed in the form of a fusion protein because the peptide is susceptible to degradation in a cell.
- the target peptide can be cleaved from the fusion protein by a method of chemically cleaving with bromcian (Itaku et al., Science, 198, 1056 (1977)) or a method of enzymatically cleaving with Xafar (Nagai et al., Methods in Enzymology, 153, 46 (1987)).
- the present inventors have proposed a novel bioactive peptide, KiSS-1 peptide, or the like. After diligent studies on a method for efficiently producing a salt of a protein or polypeptide, a fusion protein or polypeptide in which a KiSS-1 peptide was linked to the N-terminus of a protein or polypeptide having a cystine at the N-terminus was produced, and then It has been found that by subjecting this to a reaction for cleaving a peptide bond, the KiSS-1 peptide or a salt thereof can be produced efficiently.
- a protein or peptide having a cysteine at the N-terminus, a fusion protein in which a KiSS-1 peptide is linked to the N-terminus, a peptide or a salt thereof is cleaved at a peptide bond on the amino group side of the cysteine residue.
- KiSS-1 peptide is a peptide containing the amino acid sequence represented by SEQ ID NO: 1,
- the Ki SS-1 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, and (2) represented by SEQ ID NO: 1.
- a protein or peptide having a cysteine at the N-terminus is a protein having the amino acid sequence represented by SEQ ID NO: 3 and a cysteine residue added to the N-terminus, and the KiSS-1 peptide is represented by SEQ ID NO: A peptide having an amino acid sequence represented by SEQ ID NO: 1; and the produced Ki SS-1 peptide is a peptide having an amino acid sequence represented by SEQ ID NO: 1 in which the C-terminus is an amide.
- Ki containing the amino acid sequence represented by SEQ ID NO: 1 and containing the amino acid sequence represented by SEQ ID NO: 1 at the N-terminus of a protein having a cysteine residue added to its N-terminus
- FERM BP Provides Escherichia coli MM2 94 (DE 3) / pTFC-K i SS—l, represented by 6907. Further, the present invention provides
- FIG. 1 shows a reaction mechanism in the reaction step of the present invention.
- FIG. 2 shows the DNA fragment used in Example 1.
- FIG. 3 shows a schematic diagram for producing the human K i S S-1 peptide having a double chain structure obtained in Example 1.
- FIG. 4 shows a construction diagram of the plasmid pTFC-KiSS-1 obtained in Example 2.
- KiSS-1 peptide used in the method of the present invention for example, the human KiSS-1 peptide described in WO00Z24890 (International Patent Application PCTJJP99Z090505) is used.
- SEQ ID NO: 1 of the present application a peptide comprising the 47th to 54th amino acid sequence from the N-terminus and comprising 8 to 54 amino acid residues is exemplified.
- the “peptide comprising the amino acid sequence at positions 47 to 54 from the N-terminal in the amino acid sequence represented by SEQ ID NO: 1 and consisting of 8 to 54 amino acid residues” is as follows: SEQ ID NO: 1 In the amino acid sequence represented by Any peptide may be used as long as it contains the 47th to 54th amino acid sequence and consists of 8 to 54 amino acid residues.
- the Ki SS-1 peptide includes (1) the peptide represented by the amino acid sequence represented by SEQ ID NO: 1 of the present application, and (2) the N-terminal of the amino acid sequence represented by SEQ ID NO: 1 of the present application. And a peptide represented by the amino acid sequence consisting of the 40th to 54th amino acids, 3 represented by the amino acid sequence consisting of the 45th to 54th amino acids from the N-terminal of the amino acid sequence represented by SEQ ID NO: 1.
- Peptide peptide represented by the amino acid sequence consisting of the 46th to 54th amino acids from the N-terminus of the amino acid sequence represented by SEQ ID NO: 1 of the present application, ⁇ ⁇ amino acid sequence represented by SEQ ID NO: 1 of the present application And a peptide represented by an amino acid sequence consisting of the 47th to 54th amino acids from the N-terminus.
- the K i SS-1 peptide described above was used for the receptor protein OT7T175 described in WO0Z2490 (International Patent Application PCT / JP99Z0905), Has ligand activity.
- the peptide has a N-terminus (amino terminus) at the left end and a C-terminus (carboxyl terminus) at the right end in accordance with the convention of peptide labeling.
- SEQ ID NO: C-terminus of the peptide represented by 1 the amide was in - (C00R) (- C0NH 2 ), carboxyl group (- - C00H), Cal Pokishireto (C00 one), alkylamino de (-C0NHR) or ester You may.
- the R of the ester or alkylamino de, for example methyl, Echiru, n - propyl, isopropyl, n - C i-e alkyl Le group such as butyl, cyclopentyl, C 3, such as cyclohexyl - 8 cycloalkyl group, Hue nil , alpha - C 6, such as naphthyl - 1 2 Ariru group, benzyl, phenethyl, phenylene Lou C Bok 2 alkyl, such as Ben Zuhidoriru, Moshikuwahi one naphthylmethyl How Fei one Nafuchiru C Bok 2 c, such as an alkyl 7 - 14
- Viva Roy Ruo carboxymethyl group which is generally used as oral esters.
- a salt with a physiologically acceptable base for example, an alkali metal or the like
- an acid organic acid or inorganic acid
- Acid addition salts are preferred.
- Such salts include, for example, salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid) or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid) Acids, tartaric acid, citric acid, malic acid, oxalic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid) and the like are used.
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid
- 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 protein or peptide having a cysteine at the N-terminus preferably has a molecular weight of 100 to: L00000, and more preferably has a molecular weight of 300 to 50,000.
- the protein or peptide having a cysteine at the N-terminus is preferably one having 1 to 1,000 amino acids, more preferably one having 3 to 500 amino acids.
- the protein or peptide examples include various growth factors such as interferons, inter-kinds, fibroblast growth factors (aFGF, bFGF, etc.), (pro) perkinases, lymphotoxin, Tumor Necrosis Factor (TNF ), Enzymatic proteins such as 3-galactosidase, storage proteins, streptavicin, protein A, protein G, Tissue Plasminogen Act ivator (TPA), muteins of these, or parts (fragments) of these. Some have a cysteine at the end. Among them, fibroblast growth factor (aFGF, bFGF, etc.) or a mutein thereof or a part (fragment) thereof (eg, bFGFCS23 mutin) is preferably used.
- fibroblast growth factor aFGF, bFGF, etc.
- a mutein thereof or a part (fragment) thereof eg, bFGFCS23 mutin
- the DNA encoding the fusion protein (including the fusion peptide) used in the method of the present invention may be obtained by (1) chemically synthesizing the entire nucleotide sequence, or (2) the nucleotide sequence of the nucleotide sequence encoding the protein.
- the DNA may be constructed by arranging a base sequence encoding cysteine at the terminal side and further arranging a base sequence encoding the KiSS-1 peptide at the N-terminal side.
- the DNA may be constructed by replacing the amino acid residue immediately after the desired fragment with cysteine by a technique such as site-directed mutagenesis.
- a known method such as a phosphoramidite method, a phosphoric acid triester method, a diester method, or a hydrogen phosphonate method may be used. After splitting and synthesizing, it can be created by linking using T4 DNA ligase.
- DNA encoding a C-terminal protein can be obtained by digesting a chromosome or cDNA with an appropriate restriction enzyme and ligating to a vector, or Get cDN A. Cleavage with a restriction enzyme so that the N-terminus becomes cysteine, or binding of the synthetic DNA to the 5'-end of the whole protein or a part of the DNA so that the N-terminus becomes cysteine. Will change.
- a DNA encoding the protein of interest is connected.
- Specific examples of DNA encoding the fusion protein thus obtained include, for example,
- the nucleotide sequence represented by R is represented by the nucleotide sequence encoding cysteine in the DNA nucleotide sequence encoding the peptide containing the human (KI) SS-1 peptide (SEQ ID NO: 2). Indicates that they are connected.
- the DNA encoding the KiSS-1 peptide may be the DNA represented by the above formula (I) or the DNA encoding the matured KiSS-1 peptide represented by SEQ ID NO: 15 or a modification thereof. It can also be produced using DNA (for example, J. Natl. Cancer Inst., 88, 1731, 1996; WO 98/39448) 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 protein produced by chemical synthesis or genetic engineering. CDNA or the chromosome-derived DNA of the protein, and then processed.
- DN encoding a fusion protein or peptide of the present invention 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 can be converted to DNA encoding the mutin of interest using conventional DNA techniques, such as site-directed mutagenesis.
- a plasmid used as a vector includes, for example, pBR322 derived from Escherichia coli [Gene, 2, 95 ( 1 9 7 7)], pBR 3 1 3 [Gene,, 7 5 (1 9 7 7)], pBR 324, pBR 3 2 5 [Gene, A, 1 24 (1 9 7 8)], pBR 3 2 7, pBR 328 [gene, _9, 287 (1980)], pBR 3 29 [gene, 17, 79 (1 982)], ⁇ ⁇ 2 289 [gene, 3, 1 ( 1 9 7 8)], ⁇ 2700 [Biochemistry, 52,
- bacteriophages for example, Agt-based Agt ⁇ ⁇ C using ⁇ phage [Proc. Natl. Acad. Sci. USA_1, 45779 (1974)], ⁇ B (Proc. Natl. Acad. Sci.
- the DNA preferably has a promoter upstream of the ATG, and the promoter may be any promoter as long as it is suitable for the host used for the production of the transformant.
- the t ⁇ promoter in Escherichia coli, the t ⁇ promoter, the lac promoter, the rec A promoter, the APL promoter, the lpp promoter, the T7 promoter, etc., and the Bacillus subtilis SP ⁇ 1 promoter, SP ⁇ 2 promoter, penP promoter, etc.
- yeast Sacharomyces cerevisiae
- PH ⁇ 5 promoter in yeast
- PGK promoter PH ⁇ 5 promoter
- GAP promoter GAP promoter
- ADH promoter in animal cells
- SV40-derived promoter In animal cells, SV40-derived promoter etc. You. If necessary, an SD (Shine and Dalgarno) sequence may be inserted downstream of the promoter.
- the T7 promoters include 17 promoters found on T7 DNA [JL Oakley et al., Pro Natl. Acad. Sci, USA , 74: 426 6 -42 7 0 (1 9 7 7), MD Rosa, Cell 16: 8 15-825 (1 9 7 9), N. Panayotatos et al., Nature, _280_: 3 5 (1 97 9), JJ Dunn et al., J. Mol. Biol., 16:47 7-535 (1983)] but may be any of the 10 promoters [AH Rosenberg et al., Gene, 56:12]. 5-1 35 (1 98 7)] is preferred.
- a terminator that operates in an E. coli system, preferably a ⁇ evening terminator [FW Studier et al., J. Mo I. Biol., 189: 113-130 (1986)] Is used.
- the ⁇ 7 RNA polymerase gene includes the ⁇ 7 gene [FW Studier et al., J. Mol. Biol., 189: 113-130 (11986)].
- the vector is preferably constructed by incorporating the T7 promoter and the T7 promoter into the above vector, and such vectors include pET-1, pET-2, pET-3, and pET-3. ET-4, pET-5 [AH Rosenberg, Gene 5 6_: 1 2 5-1 3 5 (1 987)], TB 960-2 [EP-A-49 99 90], etc.
- pTB960-2 is used.
- the transformant of the present invention comprises a plasmid for expression obtained by the above method, which is known per se.
- Examples of the host of the microorganism to be transformed include Escherichia, Bacillus, yeast, and animal cells.
- Escherichia bacteria examples include Escherichia coli (Escherichia coli). Specifically, Escherichia coli K12 DH1 [Procedures of National Academy of Sciences] ⁇ Sciences (Proc. Natl. Acad. Sci.
- Bacillus subtilis examples include Bacillus subtilis. Specifically, Bacillus subtilis M11114 (Gene, 24, 255 (1983)), 207-21 (Journal ') Journal of Biochemistry, 95, 87 (1 984)].
- yeast examples include Saccharomyces cerevisiae. Specifically, Saccharomyces cerevisiae AH
- monkey cells COS-7 Cell, 23, 175 (1 981)]
- Vero (Japanese clinical ⁇ J_, 1209 (1963)]
- Chiny's Hams Yuichi cell CH ⁇ [Journal, Obexperimental Medicine (J Exp. Med.), 108, 945 (1985)
- mouse L cells [L Nat. Cancer Inst., ⁇ , 16 5 (1 9 4 3)]
- human FL cells Procedings of the Society, Experimental Biology, and 'Medicine (Proc. Soc. Exp. Biol. Med. ), 9_4, 532 (1957)] and hamster C cells.
- the host of the transformant may be ⁇ 7 RNA polymerase gene ( ⁇ 7 gene 1) [FW Studier et al., J. Mol. Biol. E. coli strains that have incorporated 3-1330 (1966)] such as MM294, DH-1, C600, JM109, BL21, or T7 RNA polymerase gene ( An E. coli strain in which the T7 gene 1) has been integrated together with another plasmid is used.
- MM294 strain and BL21 strain in which ⁇ phage into which T7 gene 1 has been incorporated are lysogenized are used.
- the promoter of T7 gene 1 1 ac promoter whose expression is induced by isopropyl-111- ⁇ -D-galactovyranoside (sometimes abbreviated as IPTG) is used. .
- Transformation of a bacterium belonging to the genus Bacillus as a host can be performed according to a known method such as, for example, Molecular 'General' and 168, 111 (1979).
- Transformation using yeast as a host is performed, for example, by using Proc. Natl. Acad. Sci. USA, Proc. Natl. Acad. Sci. USA. 75, 1929 (1978) Can be done.
- Transformation using an animal cell as a host can be performed, for example, according to a known method such as Virology (Virology, 52, 456 (1973)).
- the fusion protein can be produced by culturing the above transformant in a medium and collecting the produced fusion protein.
- the pH of the medium is preferably about 6-8.
- a medium for culturing the genus Escherichia for example, an M9 medium containing glucose and casamino acid (Miller, Journal of Experimen 'in', Molecular Genetics, Journal of Experiments in Molecular Genetics, 431- 433, Cold Spring Harbor Laboratory, New York 1972)].
- a drug such as 3 i3-indolyl acrylate or isopropyl) 3-D-thiogalactopyranoside (IPTG) can be added to make the promoter work efficiently.
- IPTG 3 i3-indolyl acrylate or isopropyl) 3-D-thiogalactopyranoside
- culturing is usually carried out at about 15 to 43 ° C for about 3 to 24 hours, and if necessary, aeration and stirring can be applied.
- cultivation is usually performed at about 30 to 40 ° C for about 6 to 24 hours. Aeration and stirring may be added as necessary.
- the medium When culturing a transformant in which the host is yeast, for example, the medium may be Burkholder's minimum medium [Bostian, KL et al., Processings 'Ob' National Academy of Sciences (Proc. Natl. Acad. Sci.) USA, 77, 4505 (1980)]. It is preferable to adjust the pH of the medium to about 5 to 8. Le Culture is usually performed at about 20 ° C 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% fetal bovine serum [Science, 122 , 501 (1952)), DME medium (Virology, 8, 396 (1959)), RPMI 1640 medium [Journal of the American-Medical 'Association (The Journal of the American Medical) Association), 199, 519 (1967)], 199 medium [Proceeding of the ' Proceeding of the Society for the Biologcal Medicine, 73, 1 (1950)].
- H is preferably about 6-8. Culture is usually performed at about 30 to 40 ° C for about 15 to 60 hours, and aeration and agitation 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 Miller, J., Experment 'in', Molecular in Genetics, 43 1-433 (Cold Spring Horbor Laborator t, New York 1) 972)
- 2 XYT medium Messing, Methods in Enzymology, ⁇ 01, 20 (1983)] LB medium and the like.
- Culture is usually performed at about 15 to 43 ° for about 3 to 24 hours, and if necessary, aeration and stirring may be added.
- the culture is carried out at about 15 to 36 ° C, preferably about 30 to 36 ° C.
- the inactivation of the AcIts repressor is preferably performed at about 37 ° (: ⁇ 42 ° C.
- a drug such as mitomycin C, naldixic acid, or the like may be added, ultraviolet light may be applied, or the pH of the culture solution may be changed to a higher level.
- 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, etc. Or (2) When expressing the ⁇ ⁇ ⁇ 7 gene (RNA polymerase gene) linked downstream of the ⁇ PL promoter, increase the temperature of the culture, etc. to generate ⁇ 7 phage RN ⁇ polymerase 1 Activate the T7 promoter specifically.
- T7 gene RNA polymerase gene
- 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 lysozyme, sonicated, treated with glass beads, The cells are disrupted by French press treatment, freeze-thaw treatment, etc., and the supernatant is obtained by a known method such as centrifugation.
- a buffer for example, treated with a protein denaturant, treated with an enzyme such as lysozyme, sonicated, treated with glass beads.
- the cells are disrupted by French press treatment, freeze-thaw treatment, etc., and the supernatant is obtained by a known method such as centrifugation.
- 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, etc. can be performed in an appropriate combination. 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 a peptide bond on the amino group side of the cysteine residue.
- the cleavage reaction include an S-isocyanation reaction and a hydrolysis reaction.
- the cleavage reaction includes, for example,
- the S-cyanation reaction is carried out by reacting a starting compound with an S-cyanation reagent.
- S-cyanating reagents examples include 2-nitro-5-thiocyanobenzoic acid (N
- the amount of the S_cyanation reagent may be about 2 to 50 times, and preferably about 5 to 10 times the amount of all thiol groups in moles.
- the reaction temperature may be any temperature as long as it is between about 0 ° C. and 80 ° C., and more preferably between about 0 ° C. (: and up to 50 ° C.).
- any buffer may be used, but examples thereof include Tris-HCl buffer, Tri-acetate buffer, phosphate buffer, borate buffer, and the like.
- the reaction is preferably performed at pH 1 to 12. Especially when NTCB is used] DH 7 to 1 0, When using DMAP-CN, the pH is preferably between 2 and 7 in order to prevent the SS exchange reaction, and a denaturant such as guanidine hydrochloride may be present in the reaction solution. .
- ammonolysis or hydrolysis reaction includes, for example, You can do it.
- 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 described below, trizumabase (tris [hydroxymethyl] monoaminomethane), dibasic sodium phosphate, potassium hydroxide, barium hydroxide, or the like as a starting compound.
- the reaction is performed by adding an appropriate amount to an aqueous solution containing, but ammonia is particularly preferable.
- the concentration of the solution in the above reaction is, for example, about 0.01 to 15 N, preferably about 0.1 to 3 N in the case of ammonia or an amino compound, and about 0.01 to 3 N in the case of sodium hydroxide.
- ⁇ 2 N preferably about 0.05-: LN, about lmM to 1 M, preferably about 20 mM to 200 mM, for Trizuma base, about 1 ⁇ to 1 ⁇ , preferably for sodium phosphate sodium
- potassium hydroxide about 0.01 to 4N, preferably about 0.1 to 2N is used.
- the reaction temperature may be any as long as it is between about 120 ° C. and 80 ° C., and more preferably between about ⁇ 10 ° C. and 50 ° C.
- the reaction time is preferably about 1 to 60 minutes for the S-cyanation reaction, preferably about 15 to 30 minutes, and the hydrolysis reaction is about 5 to 100 hours, preferably 10 to 15 minutes.
- the time is about 5 minutes to 24 hours, preferably about 10 to 180 minutes for ammonolysis.
- R 1 - (NR 2) - H As the Amino compounds, for example, the formula R 1 - (NR 2) - H ( In the formula, R 1 Contact and R 2 are the same or different, (i) a hydrogen atom, (iD ⁇ -. 2 alkyl groups, C 3 - 8 cycloalkyl group, C 6 - 14 Ariru (aryl) group, or a C 6 - 14 Ariru - C i _ 3 alkyl groups (which are either not substituted or 1-3 amino groups, hydroxyl And the like may be present on a carbon atom), (iii) an optionally substituted amino group, (iv) a compound represented by a hydroxyl group or (: represents an alkoxy group), and the like.
- a hydrogen atom iD ⁇ -. 2 alkyl groups, C 3 - 8 cycloalkyl group, C 6 - 14 Ariru (aryl) group, or a C 6 - 14 Ariru -
- reaction shown in FIG. 1 occurs by the S-cyanation and ammonolysis or hydrolysis.
- the C-terminal of the KiSS-1 peptide obtained by the production method of the present invention is as described above.
- the Ami de (-C0NH 2), carboxyl group, carboxylate (-C00-), may be an alkyl amide (-C0NHR) or ester (-C00R), among others amido, carboxyl group (-C00H) or alkylamino 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, butyl, sec-butyl, pentyl, isopentyl, neopentyl, 1-ethylpentyl, hexyl, isohexyl, heptyl, octyl, nonanyl, decanyl, ndeneforce Nil, dodecanyl, tetradecanyl, pendecanyl, hexadenicil, hepdecane decanyl, octadecanyl, nonadecanyl and eicosanil.
- Examples of the c 3 _ 8 cycloalkyl e.g., cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, the cycloalkyl heptyl, etc. Shikurookuchiru the like cyclohexylene.
- Examples of the above C 6 alkoxy include, for example, methoxy, ethoxy, propoxy, butoxy, pentyloxy, hexyloxy and the like.
- Examples of the above-mentioned optionally substituted amino group of (Hi) include amino acid and a peptide consisting of 2 to 10 amino acids.
- the amino acids may be L- or D-forms.
- Examples of such amino acids are 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, H- Val-Ala-Leu-D-Ala-Ala-Pro-Leu-Ala-Pro-Arg-OH and the like.
- R 2 is a hydrogen atom
- R 1 is a hydrogen atom
- Alkyl groups are preferred.
- the isolated target peptide may be isolated according to 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.
- the Ki SS-1 peptide or a salt thereof obtained in this manner can be isolated and purified from the reaction solution by a known purification means, for example, extraction, salting out, partitioning, recrystallization, chromatography, etc.
- a known purification means for example, extraction, salting out, partitioning, recrystallization, chromatography, etc.
- SP—Sepharose Pharmacia Biotech Co., Ltd.
- DEAE-5 PW Tokyo Soichi Co., Ltd.
- SP—5 PW Tokyo Soichi Co., Ltd.
- purification methods such as ion exchange chromatography.
- KiSS-1 peptide or a salt thereof can be lyophilized to a powder if necessary.
- stabilizers such as sorbitol, mannitol, dextrose, maltose, trehalose, and glycerol can be added.
- the KiSS-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 dose per person may be about 0.0 lmg-50 mg, preferably about 0.1 mg-10 mg, given parenterally, such as by intravenous or intramuscular injection. Can be administered.
- HSA human serum albumin
- Formulations containing KiSS-1 peptide or a salt thereof produced by the method of the present invention may include salts, diluents, adjuvants, other carriers, buffers, binders, surfactants, and preservatives. It may also contain other physiologically acceptable active ingredients.
- a sterile aqueous solution or a suspension sample in a physiologically acceptable solvent, or a sterile powder (usually a peptide solution) that can be used after dilution with a physiologically acceptable diluent is used. Lyophilized).
- the Ki SS-1 peptide or its salt 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, prostate). It is useful as a preventive or therapeutic agent for cancer, ovarian cancer, uterine cancer, breast cancer, etc.).
- cancer eg, lung cancer, stomach cancer, liver cancer, Teng cancer, colorectal cancer, rectal cancer, colon cancer, prostate. It is useful as a preventive or therapeutic agent for cancer, ovarian cancer, uterine 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 can induce choriocarcinoma, hydatidiform mole, invasive mole, miscarriage, fetal growth deficiency, abnormal glucose metabolism, abnormal lipid metabolism or labor. Useful as a prophylactic or therapeutic agent.
- amino acids, peptides, protecting groups, active groups, and others are indicated by abbreviations, they are based on the abbreviations by IUPAC-IUB (Commission on Biochemical Nomenclature) or abbreviations commonly used in the art. The following is an example.
- the L isomer when there is an optical isomer for an amino acid or the like, the L isomer is indicated unless otherwise specified.
- Glx Glutamine or glutamic acid
- sequence numbers in the sequence listing in the present specification indicate the following sequences.
- Example 1 shows the base sequence of the oligomer used in Example 1 for preparing the structural gene of the iSS-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 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 base sequence of the oligomer used in Example 1 for preparing the structural gene of the iSS-1 peptide.
- BSA serum albumin
- ImM ATP 10 units T4 polynucleotide kinase (Takara Shuzo)] at 37 ° C for 1 hour to phosphorylate the 5 'end of each oligomer. Oxidized. After the phenol treatment, a 2-fold amount of ethanol was added, the mixture was cooled to 17 O :, and DNA was precipitated by centrifugation.
- the DNA fragment obtained in a) above was combined with # 1 and # 8 to give 120 ⁇ l.
- the mixture was kept at 90 at 10 minutes, and then gradually cooled to room temperature for annealing.
- a ligation reaction was performed using TaKaRa DNA Ligation Kit ver.2 (Takara Shuzo).
- Ligation Kit II solution 30I was added to the annealing solution 301 and mixed well, then Ligation Kit I solution 60xl was added, and the mixture was reacted at 37 ° C for 1 hour to perform ligation.
- the aqueous layer was collected, twice the amount of ethanol was added, and the mixture was cooled to -70 ° C, and then DNA was precipitated by centrifugation.
- the thus obtained DNA fragment was subjected to phosphorylation with T4 polynucleotide kinase (Takara Shuzo) and then subjected to the following (d).
- Ki SS-1 peptide expression vector (Fig. 4) As an expression vector, PTFC (Japanese Patent Application Laid-Open No. 2000-270871, Japanese Patent Application No. 11-080303) was digested with Nde I and Ava I (Takara Shuzo) at 37 t: 4 hours, and then 1% A 4.4 kb DNA fragment was extracted by agarose gel electrophoresis using QIAquick Gel Extraction Kit (Qiagen) and dissolved in 251 TE buffer.
- PTFC Japanese Patent Application Laid-Open No. 2000-270871, Japanese Patent Application No. 11-080303
- a ligation reaction was carried out using the NdeI and AvaI fragments of pTFC and the structural gene of the KiSS_1 peptide prepared as described above using TaKaRa DNA ligation kit ver.2 (Takara Shuzo).
- Escherichia coli JM109 competent cells (Toyobo) were transformed with 10 1 of this reaction solution, seeded on LB agar medium containing 10 agZm 1 of tetracycline, cultured at 37 ° C for 1 ⁇ , and the resulting tetracycline-resistant colonies I chose.
- the transformant was cultured in an LB medium, and a plasmid pTFC-KiSS-1 was prepared using QIAprep8MiniprepKit (Qiagen).
- the nucleotide sequence of the KiSS_1 structural gene was confirmed using an Applied Biosystems model 377 DNA sequencer.
- Escherichia coli MM294 (DE3) was transformed with the plasmid pTFC-KiSS-1 to obtain a KiSS-1 peptide-CS23 fusion protein expression strain M294 (DE3) / pTFC-KiSS-1 (FIG. 4).
- Escherichia coli MM294 (DE3) / pTFC-KiSS-l was deposited with the Ministry of International Trade and Industry, National Institute of Advanced Industrial Science and Technology, Institute of Biotechnology and Industrial Technology on October 4, 1999 under the accession number FERM BP-6907. Also, deposited on September 16, 1999 with the Fermentation Research Institute (IF0) under the accession number IF016321.
- MM 294 (DE 3) ZpTFC—K i SS—1 in a volume of 2 L using 1 L (1% peptone, 0.5% yeast extract, 05% 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 diluted with 19 L of the main fermentation medium (1.68% sodium monohydrogen phosphate, 0.3% potassium dihydrogen phosphate, 0.1% ammonium chloride, 0.05% sodium chloride, 0.15% sodium chloride).
- KiSS-1 peptide-CS23 fusion protein fraction fraction with a gradient of 100 minutes and an elution time of about 100 minutes.
- the mixture was further concentrated while adding 0.1 M acetic acid, and a 0.1 M acetic acid solution of KiSS-1 peptide-CS23 fusion protein was added.
- urea was added to this solution to a final concentration of 6 M, about 10 Omg of DMAP—CN1-cyano-4-dimethylaminopyridinium tetrafluoroborate) was added, and the mixture was reacted at room temperature for 15 minutes.
- the reaction mixture was passed through a Sephadex®-25 column (46 iM IDX 600 mmL, Pharmacia) equilibrated with 5 OmM monopotassium phosphate, and the 5 OmM phosphoric acid used for equilibration was used.
- the sphere was developed at a flow rate of 6 ml Zmin to obtain an S-cyanated KiSS-1 peptide_CS23 fusion protein fraction.
- the eluate was concentrated and desalted using a Pellicon mini cassette (Millipore) to obtain a desalted solution of the KiSS-1 peptide-CS23 fusion protein.
- the fraction was further passed through C4P-50 (2 1.5 mm I DX 300 minL, Showa Denko) equilibrated with 0.1% trifluoroacetic acid, adsorbed and washed, and then washed with 20-50% B (B: Elution was performed with a step gradient of 80% acetate nitrile Z (0.1% trifluoroacetic acid), and the KiSS-1 peptide (amide) fraction (60 minutes gradient, elution time about 45 minutes) was pooled. After that, lyophilization was carried out to obtain about 4 Omg of lyophilized Ki SS-1 peptide (amide).
- Amino acid composition was determined using an amino acid analyzer (Hitachi L-850OA Amino Acid Analyzer). As a result, the amino acid composition agreed with the amino acid composition predicted from the DNA base sequence of the KiSS_1 peptide [Table 1].
- N-terminal amino acid sequence was determined using a gas phase protein sequencer (PE Applied Biosystems model 492). As a result, it was consistent with the N-terminal amino acid sequence predicted from the DNA sequence of the KiSS-1 peptide [Table 2]. (Table 2)
- the C-terminal amino acid was analyzed using an amino acid analyzer (Hitachi L-850 A Amino Acid Analyzer), but was not detected because the C-terminal was amidated [Table 3].
- Example 5 Production of 133-1-peptide (non-amide)
- Example 2 To 100 g of the cells obtained in Example 1, 300 ml of a 1 OmM EDTA (pH 6.0) solution was added, and the mixture was subjected to sonication (BRAN SON SON IFIER MODEL 450), followed by centrifugation (10000 rpm, 60 minutes). ). The supernatant was pooled, and the same operation was performed again using the precipitate. The pooled supernatant was adjusted to pH 6.0 and equilibrated with 5 OmM phosphate buffer (pH 6.0).
- the eluate was concentrated and desalted using a Pellicon mini force set (Millipore) to obtain a desalted solution of the KiSS-1 peptide CS23 fusion protein.
- urea was added to this desalted solution to a final concentration of 6 M
- INN aOH was further added to a 0.05 N NaOH concentration, and reacted at 0 ° C for 15 minutes.
- the pH was adjusted to 6.0 with acetic acid to obtain a KiSS_l peptide (non-amide).
- the reaction solution was passed through a Sephadex G-25 column (46 L DX600 L) equilibrated with 5 OmM potassium phosphate, and the 50 mM potassium phosphate used for equilibration was added at 6 ml / min.
- the peptide was developed at a flow rate of 1 to obtain a KiSS-1 peptide fraction (non-amide form).
- This fraction was passed through SP-5PW (21.5 mmI DX1 50 mmL, Tosoichi) equilibrated with 5 M mM MES containing 3 M urea + 3 M urea (pH 4.5), and adsorbed.
- Elution was performed with a step gradient of 0% B (B: 80% acetonitrile Z 0.1% trifluoroacetic acid), and the KiSS-1 peptide (non-amide form) fraction (elution time was about 60 minutes). After pooling (fraction of 45 minutes), lyophilization was performed to obtain about 3 Omg of lyophilized powder of Ki SS-1 peptide (non-amide form).
- the amino acid composition was determined using an amino acid analyzer (Hitachi L-850A Amino Acid Analyzer). As a result, the amino acid composition was consistent with the amino acid composition predicted from the DNA sequence of KiSS-1 peptide [Table 4].
- KiSS-1 per mole Base sequence of 'chito'
- N-terminal amino acid sequence was determined using a gas phase protein sequencer (PE Applied Biosystems model 492). The results were consistent with the N-terminal amino acid sequence predicted from the DNA sequence of KiSS-1 peptide [Table 5] [Table 5]
- the C-terminal amino acid was analyzed using an amino acid analyzer (Hitachi L-850 A Amino Acid Analyzer). [Table 6].
- any cancer for example, lung cancer, stomach cancer, liver cancer, ⁇ cancer, colon cancer, rectal cancer, colon cancer, prostate cancer, ovarian cancer, cervical cancer, breast cancer, etc.
- any cancer for example, lung cancer, stomach cancer, liver cancer, ⁇ cancer, colon cancer, rectal cancer, colon cancer, prostate cancer, ovarian cancer, cervical cancer, breast cancer, etc.
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Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU18891/01A AU1889101A (en) | 1999-12-17 | 2000-12-14 | Process for producing kiss-1 peptide |
| CA002394404A CA2394404A1 (en) | 1999-12-17 | 2000-12-14 | Process for producing kiss-1 peptide |
| KR1020027005950A KR20020065510A (ko) | 1999-12-17 | 2000-12-14 | KiSS-1 펩티드의 제조 방법 |
| US10/168,050 US6838259B2 (en) | 1999-12-17 | 2000-12-14 | Process for producing kiss-1 peptide |
| EP00981702A EP1239037A4 (en) | 1999-12-17 | 2000-12-14 | METHOD FOR PRODUCING THE KISS-1 PEPTID |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35869399 | 1999-12-17 | ||
| JP11/358693 | 1999-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001044469A1 true WO2001044469A1 (fr) | 2001-06-21 |
Family
ID=18460632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2000/008837 Ceased WO2001044469A1 (fr) | 1999-12-17 | 2000-12-14 | PROCEDE DE PRODUCTION DE PEPTIDE KiSS-1 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6838259B2 (ja) |
| EP (1) | EP1239037A4 (ja) |
| KR (1) | KR20020065510A (ja) |
| CN (1) | CN1411509A (ja) |
| AU (1) | AU1889101A (ja) |
| CA (1) | CA2394404A1 (ja) |
| WO (1) | WO2001044469A1 (ja) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003060125A1 (fr) * | 2002-01-11 | 2003-07-24 | Takeda Chemical Industries, Ltd. | Procede de production du peptide kiss-1 |
| 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 (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1464652A1 (en) * | 2003-04-02 | 2004-10-06 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | GPR54 receptor agonist and antagonist useful for the treatment of gonadotropin related diseases |
| 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 |
| US20110171160A1 (en) * | 2008-09-19 | 2011-07-14 | Nektar Therapeutics | Polymer conjugates of kiss1 peptides |
| EP2341942A1 (en) | 2008-09-19 | 2011-07-13 | Nektar Therapeutics | Polymer conjugates of therapeutic peptides |
| CN110167522B (zh) * | 2017-12-12 | 2022-05-31 | 科丝美诗株式会社 | 包括亲吻素的抗老化或抗炎症的组合物 |
| KR102209869B1 (ko) * | 2017-12-12 | 2021-02-01 | 코스맥스 주식회사 | 키스펩틴을 포함하는 항노화 또는 항염증 조성물 |
| CN113637660B (zh) * | 2021-08-05 | 2023-09-08 | 云南师范大学 | 一种β-半乳糖苷酶GalNC3-89及其制备方法和应用 |
Citations (2)
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997013778A1 (en) * | 1995-10-11 | 1997-04-17 | The Penn State Research Foundation | A metastasis suppressor gene |
| WO1998039448A2 (en) | 1997-03-07 | 1998-09-11 | Human Genome Sciences, Inc. | 186 human secreted proteins |
| EP1064011A1 (en) * | 1998-03-13 | 2001-01-03 | EntreMed, Inc. | Metastatin and hyaluronate binding proteins and methods of use |
-
2000
- 2000-12-14 CN CN00817291A patent/CN1411509A/zh active Pending
- 2000-12-14 CA CA002394404A patent/CA2394404A1/en not_active Abandoned
- 2000-12-14 EP EP00981702A patent/EP1239037A4/en not_active Withdrawn
- 2000-12-14 AU AU18891/01A patent/AU1889101A/en not_active Abandoned
- 2000-12-14 US US10/168,050 patent/US6838259B2/en not_active Expired - Fee Related
- 2000-12-14 KR KR1020027005950A patent/KR20020065510A/ko not_active Withdrawn
- 2000-12-14 WO PCT/JP2000/008837 patent/WO2001044469A1/ja not_active Ceased
Patent Citations (2)
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| See also references of EP1239037A4 * |
| WEST A. ET AL.: "Chromosome localization and genomic structure of the KiSS-1 metastasis suppressor gene(KISS1)", GENOMICS, vol. 54, no. 1, 1998, pages 145 - 148, XP002937842 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003060125A1 (fr) * | 2002-01-11 | 2003-07-24 | Takeda Chemical Industries, Ltd. | Procede de production du peptide kiss-1 |
| EP1466976A4 (en) * | 2002-01-11 | 2005-11-09 | Takeda Pharmaceutical | PROCESS FOR PREPARING KISS-1 PEPTIDES |
| 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 |
|---|---|
| EP1239037A1 (en) | 2002-09-11 |
| US6838259B2 (en) | 2005-01-04 |
| KR20020065510A (ko) | 2002-08-13 |
| CN1411509A (zh) | 2003-04-16 |
| US20030096956A1 (en) | 2003-05-22 |
| EP1239037A4 (en) | 2004-03-31 |
| AU1889101A (en) | 2001-06-25 |
| CA2394404A1 (en) | 2001-06-21 |
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