WO2001048207A1 - Nouveau polypeptide, hormone parathyroidienne 9, et polynucleotide codant pour ce polypeptide - Google Patents
Nouveau polypeptide, hormone parathyroidienne 9, et polynucleotide codant pour ce polypeptide Download PDFInfo
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- WO2001048207A1 WO2001048207A1 PCT/CN2000/000633 CN0000633W WO0148207A1 WO 2001048207 A1 WO2001048207 A1 WO 2001048207A1 CN 0000633 W CN0000633 W CN 0000633W WO 0148207 A1 WO0148207 A1 WO 0148207A1
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- polypeptide
- polynucleotide
- parathyroid hormone
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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
- C07K14/575—Hormones
- C07K14/635—Parathyroid hormone, i.e. parathormone; Parathyroid hormone-related peptides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
Definitions
- the present invention belongs to the field of biotechnology. Specifically, the present invention describes a novel polypeptide, parathyroid hormone 9, and a polynucleotide sequence encoding the polypeptide. The invention also relates to methods and applications for preparing such polynucleotides and polypeptides. Background technique
- Hormones are produced by special tissues or glands in the body, are secreted directly into body fluids, and are transported to specific action sites through body fluids, thereby causing a special group of trace amounts of organic compounds. Hormones play an important role in the life activities of organisms, and it promotes the division and cooperation of cells and tissues of higher organisms to form a unified whole.
- hormones The main mechanisms of action of hormones are the following: (1) Immediately acting on body tissues by generating cAMP; (2) Activating G protein through hormone receptors bound to the cell surface, turning on the catalytic activity of phosphoinositase, It works by causing the phosphoinositide cascade to amplify; (3) the hormone binds to the receptor of the tyrosine kinase, activates the catalytic activity of this kinase, and phosphorylates tyrosine in the target protein that acts Realize the effect of hormone; (4) The hormone enters the cell and acts on the nucleus.
- Para thyro id hormone is secreted by the parathyroid glands near the thyroid gland. It is a protein hormone. It and the calcitonin are a pair of peptide hormones that have opposite effects. They both act on bones. The matrix and kidneys together regulate calcium and phosphorus metabolism, making the calcium and phosphorus concentration in the blood relatively stable. The former function is to increase blood calcium, while the latter is to lower blood calcium.
- Parathyroid hormones regulate the concentration of calcium and phosphorus ions in the cells by dissolving the salt ions in the bones and preventing their kidneys from excreting them.
- Parathyroid hormone has about 80 amino acid residues, but according to existing studies, its biologically active functional region may be concentrated in the first 34 amino acid residues.
- parathyroid hormone in almost all organisms contains the following conserved domain: V-S- E- X- Q-x (2)-H-x (2) -G. It is located at the N-terminus of parathyroid hormone and contains amino acid residues from positions 1 to 12. The highly conservative nature of this sequence proves that it has important significance for the normal physiological function of parathyroid hormone.
- human parathyroid hormone acts on the bone matrix and kidney, regulates calcium and phosphorus metabolism, and stabilizes the concentration of calcium and phosphorus in the blood, which has important regulatory effects on many processes of human life activities.
- parathyroid hormone 9 protein plays an important role in important functions of the body, and it is believed that a large number of proteins are involved in these regulatory processes, so the art has always needed to identify more parathyroid hormone 9 proteins involved in these processes, In particular, the amino acid sequence of this protein is identified.
- the isolation of the new parathyroid hormone 9 protein encoding gene also provides a basis for research to determine the role of the protein in health and disease states.
- This protein may form the basis for the development of diagnostic and / or therapeutic drugs for diseases, and therefore isolates its code DNA is very important. It is an object of the present invention to provide isolated new polypeptides, parathyroid hormone 9 and fragments, analogs and derivatives thereof.
- Another object of the invention is to provide a polynucleotide encoding the polypeptide.
- Another object of the present invention is to provide a method for producing parathyroid hormone 9.
- Another object of the present invention is to provide an antibody against the polypeptide -parathyroid hormone 9 of the present invention.
- Another object of the present invention is to provide mimic compounds, antagonists, agonists, and inhibitors directed against the polypeptide of the present invention, parathyroid hormone 9.
- Another object of the present invention is to provide a method for diagnosing and treating diseases related to abnormalities of parathyroid hormone 9.
- the present invention relates to an isolated polypeptide, which is of human origin, and includes: a polypeptide having the amino acid sequence of SEQ ID D. 2, or a conservative variant, biologically active fragment, or derivative thereof.
- the polypeptide is a polypeptide having the amino acid sequence of SEQ ID D0: 2.
- the invention also relates to an isolated polynucleotide comprising a nucleotide sequence or a variant thereof selected from the group consisting of:
- sequence of the polynucleotide is one selected from the group consisting of: (a) a sequence having positions 686-94 in SEQ II) NO: 1; and (b) having 1 in SEQ ID NO: 1 -1 675-bit sequence.
- the invention further relates to a vector, in particular an expression vector, containing the polynucleotide of the invention; a host cell genetically engineered with the vector, including a transformed, transduced or transfected host cell; and a method comprising culturing said Host cell and method of preparing the polypeptide of the present invention by recovering the expression product.
- the invention also relates to an antibody capable of specifically binding to the polypeptide of the present invention.
- the invention also relates to a method for screening compounds that mimic, activate, antagonize or inhibit the activity of parathyroid hormone 9 protein, which comprises utilizing the polypeptide of the invention.
- the invention also relates to compounds obtained by this method.
- the invention also relates to a method for detecting a disease or disease susceptibility related to abnormal expression of parathyroid hormone 9 protein in vitro, which comprises detecting a mutation in the polypeptide or a polynucleotide sequence encoding the same in a biological sample, or detecting a biological sample The amount or biological activity of a polypeptide of the invention.
- the invention also relates to a pharmaceutical composition
- a pharmaceutical composition comprising a polypeptide of the invention or a mimetic thereof, an activator, an antagonist or an inhibitor, and a pharmaceutically acceptable carrier.
- the present invention also relates to the use of the polypeptide and / or polynucleotide of the present invention in the preparation of a medicament for treating cancer, developmental disease or immune disease or other diseases caused by abnormal expression of parathyroid hormone 9.
- Nucleic acid sequence refers to an oligonucleotide, a nucleotide or a polynucleotide and a fragment or part thereof, and may also refer to a genomic or synthetic DNA or RNA, which can be single-stranded or double-stranded, meaning the sense or antisense strand.
- amino acid sequence refers to oligopeptides, peptides, polypeptides, or protein sequences and fragments or portions thereof.
- amino acid sequence in the present invention relates to the amino acid sequence of a naturally occurring protein molecule, such "polypeptide” or “protein” does not mean to limit the amino acid sequence to a complete natural amino acid related to the protein molecule .
- a protein or polynucleotide “variant” refers to an amino acid sequence having one or more amino acid or nucleotide changes or a polynucleotide sequence encoding it.
- the changes may include deletions, insertions or substitutions of amino acids or nucleotides in the amino acid sequence or nucleotide sequence.
- Variants can have "conservative" changes, where the substituted amino acid has similar structural or chemical properties as the original amino acid, such as replacing isoleucine with leucine.
- Variants can also have non-conservative changes, such as using color Glycine.
- “Deletion” refers to the deletion of one or more amino acids or nucleotides in an amino acid sequence or nucleotide sequence.
- Insertion refers to an alteration in the amino acid sequence or nucleotide sequence that results in an increase in one or more amino acids or nucleotides compared to a naturally occurring molecule.
- Replacement refers to the replacement of one or more amino acids or nucleotides with different amino acids or nucleotides.
- Bio activity refers to a protein that has the structure, regulation, or biochemical function of a natural molecule.
- immunologically active means that natural, recombinant, or synthetic proteins and fragments thereof Ability to induce a specific immune response in a substance or cell and to bind to specific antibodies.
- An "agonist” refers to a molecule that, when combined with parathyroid hormone 9, causes a change in the protein to regulate the activity of the protein.
- An agonist may include a protein, a nucleic acid, a carbohydrate, or any other molecule that binds parathyroid hormone 9.
- Antagonist refers to a molecule that, when combined with parathyroid hormone 9, can block or regulate the biological or immunological activity of parathyroid hormone 9.
- Antagonists and inhibitors may include proteins, nucleic acids, carbohydrates or any other molecule that binds parathyroid hormone 9.
- Regular is a change in the function of parathyroid hormone 9, including an increase or decrease in protein activity, a change in binding properties, and any other biological, functional, or immunological changes in parathyroid hormone 9.
- Substantially pure means substantially free of other proteins, lipids, sugars or other substances with which it is naturally associated.
- Those skilled in the art can purify parathyroid hormone 9 using standard protein purification techniques.
- Substantially pure parathyroid hormone 9 produces a single main band on a non-reducing polyacrylamide gel.
- the purity of the parathyroid hormone 9 polypeptide can be analyzed by amino acid sequence.
- Complementary refers to the natural binding of a nucleotide by base-pairing under conditions of acceptable salt concentration and temperature.
- sequence "CTGA” may be combined with the complementary sequence "(; -A-C-T”.
- the complementarity between two single-stranded molecules may be partial or complete.
- the degree of complementarity between nucleic acid strands is related to the nucleic acid strand The efficiency and intensity of hybridization have a significant effect.
- “Homology” refers to the degree of complementarity and can be partially homologous or completely homologous.
- Partial homology refers to a partially complementary sequence that at least partially inhibits the hybridization of a completely complementary sequence to a target nucleic acid. This inhibition of hybridization can be achieved by hybridization under conditions of reduced stringency (Southern blotting or Nor thern blot, etc.) to detect.
- Substantially homologous sequences or hybridization probes can compete and inhibit the binding of completely homologous sequences to the target sequence under conditions of reduced stringency. This does not mean that the conditions of reduced stringency allow non-specific binding, because the conditions of reduced stringency require that the two sequences bind to each other specifically or selectively.
- Percent identity refers to the percentage of sequences that are identical or similar in the comparison of two or more amino acid or nucleic acid sequences. The percent identity can be determined electronically, such as through the ME (; ALIGN program (La sergen sof tware package, DNASTAR, Inc., Mad Son Wis.)).
- the MEGALIGN program can compare two methods according to different methods, such as the Cluster method. One or more sequences (Higgins, DG and PM Sharp (1988) Gene 73: 237-244).
- the Cluster method arranges groups of sequences into clusters by checking the distance between all pairs, and then The clusters are assigned in pairs or groups.
- the identity between two amino acid sequences such as sequence A and sequence B-the whiteness ratio is calculated by the following formula: Number of residues matching between sequence A and sequence B
- the percent identity between nucleic acid sequences can also be determined by the Cluster method or by methods known in the art such as Jotun He in (He in J., (1990) Methods in emzuraology 183: 625-645).
- Similarity refers to the degree of identical or conservative substitutions of amino acid residues at corresponding positions in the alignment of amino acid sequences.
- Amino acids used for conservative substitutions for example, negatively charged amino acids may include aspartic acid and glutamic acid; positively charged amino acids may include lysine and arginine; having an uncharged head group is Similar hydrophilic amino acids may include leucine, isoleucine and valine; glycine and alanine; asparagine and glutamine; serine and threonine; phenylalanine and tyrosine.
- Antisense refers to a nucleotide sequence that is complementary to a particular DNA or RNA sequence.
- Antisense strand refers to a nucleic acid strand that is complementary to the “sense strand”.
- Derivative refers to a chemical modification of HFP or a nucleic acid encoding it. Such a chemical modification may be the replacement of a hydrogen atom with an alkyl group, an acyl group or an amino group. Nucleic acid derivatives can encode polypeptides that retain the main biological characteristics of natural molecules.
- Antibody refers to a complete antibody molecule and its fragments, such as Fa,? ( ⁇ ') 2 and 1 ⁇ , which can specifically bind to the epitopes of parathyroid hormone 9.
- a “humanized antibody” refers to an antibody in which the amino acid sequence of a non-antigen binding region is replaced to become more similar to a human antibody, but still retains the original binding activity.
- isolated refers to the removal of a substance from its original environment (for example, its natural environment if it occurs naturally).
- a naturally occurring polynucleotide or polypeptide is not isolated when it is present in a living animal, but the same polynucleotide or polypeptide is separated from some or all of the substances that coexist with it in the natural system.
- Such a polynucleotide may be part of a vector, or such a polynucleotide or polypeptide may be part of a composition. Since the carrier or composition is not part of its natural environment, they are still isolated.
- isolated refers to the separation of a substance from its original environment (if it is a natural substance, the original environment is the natural environment).
- polynucleotides and polypeptides in a natural state in a living cell are not isolated and purified, but the same polynucleotides or polypeptides are separated and purified if they are separated from other substances existing in the natural state. .
- isolated parathyroid hormone 9 is parathyroid hormone 9 that is substantially free of other proteins, lipids, sugars, or other substances with which it is naturally associated.
- Those skilled in the art can use standards Protein purification technology to purify parathyroid hormone 9.
- Substantially pure polypeptides can produce a single main band on a non-reducing polyacrylamide gel.
- the purity of the parathyroid hormone 9 polypeptide can be analyzed by amino acid sequence.
- the present invention provides a new polypeptide, parathyroid hormone 9, which basically consists of the amino acid sequence shown in SEQ ID NO: 2.
- the polypeptide of the present invention may be a recombinant polypeptide, a natural polypeptide, or a synthetic polypeptide, and preferably a recombinant polypeptide.
- the polypeptides of the present invention can be naturally purified products or chemically synthesized products, or can be produced from prokaryotic or eukaryotic hosts (eg, bacteria, yeast, higher plants, insects, and mammalian cells) using recombinant techniques. Depending on the host used in the recombinant production protocol, the polypeptide of the invention may be glycosylated, or it may be non-glycosylated. Polypeptides of the invention may also include or exclude starting methionine residues.
- the invention also includes fragments, derivatives and analogs of parathyroid hormone 9.
- fragment refers to a polypeptide that substantially maintains the same biological function or activity of the parathyroid hormone 9 of the present invention.
- a fragment, derivative or analog of the polypeptide of the present invention may be: ( ⁇ ) A type in which one or more amino acid residues are replaced with conservative or non-conservative amino acid residues (preferably conservative amino acid residues), and the substitution
- the amino acid may or may not be encoded by a genetic codon; or UI) such a type in which a group on one or more amino acid residues is replaced by another group to include a substituent; or ( ⁇ ⁇ ) such A type in which a mature polypeptide is fused to another compound (such as a compound that extends the half-life of a polypeptide, such as polyethylene glycol); or (IV) a type of polypeptide sequence in which an additional amino acid sequence is fused into a mature polypeptide (such as the leader sequence or secreted sequence or the sequence used to purify this polypeptide or protease sequence)
- a mature polypeptide such as the leader sequence or secreted sequence or the sequence used to purify this polypeptide or protease sequence
- the present invention provides an isolated nucleic acid (polynucleotide), which basically consists of a polynucleotide encoding a polypeptide having the amino acid sequence of SEQ ID NO: 2.
- the polynucleotide sequence of the present invention includes the nucleotide sequence of SEQ ID NO: 1.
- the polynucleotide of the present invention is found from a cDNA library of human fetal brain tissue. It contains a full-length nucleotide sequence of 1675 bases, and its open reading frame of 686-940 encodes 84 amino acids. This peptide has the characteristic sequence of the parathyroid hormone family protein, and it can be deduced that the parathyroid hormone 9 has the structure and function represented by the parathyroid hormone family protein.
- the polynucleotide of the present invention may be in the form of DNA or RNA.
- DNA forms include cDNA, genomic DNA, or synthetic DNA.
- DNA can be single-stranded or double-stranded.
- DNA can be coding or non-coding.
- the coding region sequence of a mature polypeptide can be the same as the coding region sequence shown in SEQ II) NO: 1 or a degenerate variant.
- a "degenerate variant" refers to a nucleic acid sequence encoding a protein or polypeptide having SEQ ID NO: 2 but different from the coding region sequence shown in SEQ ID NO: 1 in the present invention.
- the polynucleotide encoding the mature polypeptide of SEQ ID NO: 2 includes: only the coding sequence of the mature polypeptide; Coded sequences) and non-coded sequences.
- polynucleotide encoding a polypeptide refers to a polynucleotide that includes the polypeptide and a polynucleotide that includes additional coding and / or non-coding sequences.
- the invention also relates to variants of the polynucleotides described above, which encode polypeptides or fragments, analogs and derivatives of polypeptides having the same amino acid sequence as the invention.
- This polynucleotide variant can be a naturally occurring allelic variant or a non-naturally occurring variant.
- These nucleotide variants include substitution variants, deletion variants, and insertion variants.
- an allelic variant is an alternative form of a polynucleotide that may be a substitution, deletion, or insertion of one or more nucleotides, but does not substantially change the function of the polypeptide it encodes .
- the invention also relates to a polynucleotide that hybridizes to the sequence described above (with at least two sequences between
- the present invention particularly relates to polynucleotides that can hybridize to the polynucleotides of the present invention under stringent conditions.
- "strict conditions” means: (1) hybridization and elution at lower ionic strength and higher temperature, such as 0.2xSSC, 0.1% SDS, 60 ° C; or (2) Add denaturants during hybridization, such as 50% (v / v) formamide, 0.1% calf serum / 0.1% F ico ll, 42 ° C, etc .; or (3) only between two sequences Hybridization occurs only when the identity is at least 95%, and more preferably 97%.
- the polypeptide encoded by the hybridizable polynucleotide has the same biological function and activity as the mature polypeptide shown in SEQ ID NO: 2.
- nucleic acid fragments that hybridize to the sequences described above.
- a "nucleic acid fragment” contains at least 10 nucleotides in length, preferably at least 20-30 nucleotides, more preferably at least 50-60 nucleotides, and most preferably at least 100 nuclei. Glycylic acid or more. Nucleic acid fragments can also be used in nucleic acid amplification techniques, such as PCR, to identify and / or isolate polynucleotides encoding parathyroid hormone 9.
- polypeptides and polynucleotides in the present invention are preferably provided in an isolated form and are more preferably purified to homogeneity.
- the specific polynucleotide sequence encoding the parathyroid hormone 9 of the present invention can be obtained by various methods.
- polynucleotides are isolated using hybridization techniques well known in the art. These techniques include, but are not limited to: 1) hybridization of probes to genomic or cDNA libraries to detect homologous polynucleotide sequences, and 2) antibody screening of expression libraries to detect cloned polynucleosides with common structural characteristics Acid fragments.
- the DNA fragment sequence of the present invention can also be obtained by the following methods: 1) isolating the double-stranded DNA sequence from the genomic DNA; 2) chemically synthesizing the DNA sequence to obtain the double-stranded DNA of the polypeptide.
- genomic DNA isolation is the least commonly used. Direct chemical synthesis of DNA sequences is often the method of choice. The more commonly used method is the isolation of cDNA sequences.
- the standard method for isolating cDNA of interest is to isolate raRNA from donor cells that overexpress the gene and perform reverse transcription to form a plasmid or phage cDNA library.
- Q i agene There are many mature techniques for mRNA extraction, and kits are also commercially available (Q i agene).
- the construction of cDNA libraries is also a common method (Sambrook, et al., W
- the genes of the present invention can be selected from these cDNA libraries by conventional methods. These methods include (but are not limited to): (1) DM-DNA or DM-RNA hybridization; (2) the presence or loss of marker gene function; (3) measuring the level of transcripts of parathyroid hormone 9; (4) Detection of gene-expressed protein products by immunological techniques or determination of biological activity. The above methods can be used singly or in combination.
- the probe used for hybridization is homologous to any part of the polynucleotide of the present invention, and its length is at least 10 nucleotides, preferably at least 30 nucleotides, more preferably At least 50 nucleotides, preferably at least 100 nucleotides.
- the length of the probe is usually within 2000 nucleotides, preferably within 1000 nucleotides.
- the probe used here is generally a DNA sequence chemically synthesized based on the gene sequence information of the present invention.
- the gene itself or the fragment of the present invention can of course be used as a probe, and the DNA probe can be labeled with a radioisotope, luciferin, or an enzyme (such as alkaline phosphatase).
- immunological techniques such as Western blotting, radioimmunoprecipitation, and enzyme-linked immunosorbent assay (ELISA) can be used to detect protein products expressed by the parathyroid hormone 9 gene.
- a method using PCR to amplify DNA / RNA is preferably used to obtain the gene of the present invention.
- the RACE method RACE-Rapid Amplification of cDNA Ends
- the primers used for PCR can be appropriately based on the polynucleotide sequence information of the present invention disclosed herein. Select and synthesize using conventional methods. Isolation and purification of amplified DNA / RNA fragments by conventional methods such as by gel electrophoresis
- the polynucleotide sequence of the gene of the present invention or various DNA fragments and the like obtained as described above can be determined by a conventional method such as dideoxy chain termination method (Sanger et al. PNAS, 1977, 74: 5463-5467): Nucleotide sequences can also be determined using commercial sequencing kits and the like. In order to obtain the full-length cDNA sequence, the sequencing must be repeated. Sometimes it is necessary to determine the cDNA sequence of multiple clones in order to splice into a full-length cDNA sequence.
- the present invention also relates to a vector comprising the polynucleotide of the present invention, and a host cell produced by genetic engineering using the vector of the present invention or directly using a parathyroid hormone 9 coding sequence, and a method for producing a polypeptide of the present invention by recombinant technology. .
- a polynucleotide sequence encoding parathyroid hormone 9 can be inserted into a vector to form a recombinant vector containing the polynucleotide of the present invention.
- vector refers to bacterial plasmids, phages, yeast plasmids, plant cell viruses, mammalian cell viruses such as adenoviruses, retroviruses, or other vectors well known in the art.
- Vectors suitable for use in the present invention include, but are not limited to, T7-based Expression vectors for movers (Rosenberg, et al. Gene, 1984, 56: 125); pMSXND expression vectors (Lee and Na thans, JBio Chem.
- any plasmid and vector can be used to construct a recombinant expression vector.
- An important feature of expression vectors is that they usually contain an origin of replication, a promoter, a marker gene, and translational regulatory elements.
- Methods well known to those skilled in the art can be used to construct expression vectors containing a DNA sequence encoding parathyroid hormone 9 and appropriate transcriptional / translational regulatory elements. These methods include in vitro recombinant DNA technology, DNA synthesis technology, in vivo recombination technology, etc. (Sambroook, et al. Mo l ecu l ar CI on ing, a Labora t ory Manua l, co ld Spr ing Harbor Labora t ory. New York , 1989).
- the DNA sequence can be operably linked to an appropriate promoter in an expression vector to direct mRNA synthesis. Representative examples of these promoters are: the l ac or trp promoter of E.
- the expression vector also includes a ribosome binding site for translation initiation, a transcription terminator, and the like. Insertion of enhancer sequences into the vector will enhance its transcription in higher eukaryotic cells. Enhancers are cis-acting factors for DNA expression, usually about 10 to 300 base pairs, which act on promoters to enhance gene transcription. Illustrative examples include SV40 enhancers of 100 to 270 base pairs on the late side of the origin of replication, polytumor enhancers on the late side of the origin of replication, and adenoviral enhancers.
- the expression vector preferably contains one or more selectable marker genes to provide phenotypic traits for selection of transformed host cells, such as dihydrofolate reductase, neomycin resistance, and green for eukaryotic cell culture.
- selectable marker genes to provide phenotypic traits for selection of transformed host cells, such as dihydrofolate reductase, neomycin resistance, and green for eukaryotic cell culture.
- GFP fluorescent protein
- tetracycline or ampicillin resistance for E. coli.
- a polynucleotide encoding a parathyroid hormone 9 or a recombinant vector containing the polynucleotide can be transformed or transduced into a host cell to form a genetically engineered host cell containing the polynucleotide or the recombinant vector.
- the term "host cell” refers to a prokaryotic cell, such as a bacterial cell; or a lower eukaryotic cell, such as a yeast cell; or a higher eukaryotic cell, such as a mammalian cell. Representative examples are: E.
- coli Streptomyces
- bacterial cells such as Salmonella typhimurium
- fungal cells such as yeast
- plant cells such as insect cells such as Fly S2 or Sf9
- animal cells such as CH0, COS or Bowes melanoma cells.
- Transformation of a host cell with a DNA sequence described in the present invention or a recombinant vector containing the DNA sequence can be performed using conventional techniques well known to those skilled in the art.
- the host is a prokaryote such as E. coli, it can Competent cells that absorb DNA can be harvested after the exponential growth phase and treated with CaCl. The steps used are well known in the art. The alternative is to use MgC l 2 .
- transformation can also be performed by electroporation.
- the following DNA transfection methods can be used: calcium phosphate co-precipitation method, or conventional mechanical methods such as microinjection, electroporation, and liposome packaging.
- the polynucleotide sequence of the present invention can be used to express or produce recombinant parathyroid hormone 9 by conventional recombinant DNA technology (Scence, 1984; 224: 1431). Generally, the following steps are taken:
- the medium used in the culture may be selected from various conventional mediums. Culture is performed under conditions suitable for host cell growth. After the host cells have grown to an appropriate cell density, the selected promoter is induced by a suitable method (such as temperature conversion or chemical induction), and the cells are cultured for a period of time.
- a suitable method such as temperature conversion or chemical induction
- the recombinant polypeptide may be coated in a cell, expressed on a cell membrane, or secreted outside the cell.
- recombinant proteins can be separated and purified by various separation methods using their physical, chemical and other properties. These methods are well known to those skilled in the art. These methods include, but are not limited to: conventional renaturation treatment, protein precipitant treatment (salting out method), centrifugation, osmotic disruption, ultrasonic treatment, ultracentrifugation, molecular sieve chromatography (gel filtration), adsorption chromatography, ion Exchange chromatography, high performance liquid chromatography (HPLC) and various other liquid chromatography techniques and combinations of these methods.
- conventional renaturation treatment protein precipitant treatment (salting out method), centrifugation, osmotic disruption, ultrasonic treatment, ultracentrifugation, molecular sieve chromatography (gel filtration), adsorption chromatography, ion Exchange chromatography, high performance liquid chromatography
- Fig. 1 is a comparison diagram of the amino acid sequence homology of 54 amino acids of 3-56 and parathyroid hormone family protein domains of the present invention.
- the upper sequence is the parathyroid hormone 9, and the lower sequence ⁇ the parathyroid hormone family protein domain.
- ⁇ "and”: “and” ⁇ indicate that the probability of different amino acids in the same position between two sequences decreasing in sequence.
- Figure 2 shows the polyacrylamide gel electrophoresis (SDS-PAGE) of the isolated parathyroid hormone 9.
- 9kDa is the molecular weight of the protein.
- the arrow indicates the isolated protein band.
- the sequence of the parathyroid hormone 9 of the present invention and the protein sequence encoded by the parathyroid hormone 9 were profiled using the GCG profile scan program (Basiclocal Alignment search tool) [Altschul, SF et al.
- CDNA was synthesized using fetal brain total RNA as a template and oligo-dT as a primer.
- PCR amplification was performed with the following primers:
- Primer 1 5'— ATCTGCACGCTTTCTGCGAGGCCT-3 '(SEQ ID NO: 3)
- Primer2 5-GTATATTTAACAATATATATTTAT-3 '(SEQ ID NO: 4)
- Primerl is a forward sequence located at the 5th end of SEQ ID NO: 1, starting at lbp; Primer2 is the 3 'end reverse sequence in SEQ ID NO: 1.
- Amplification conditions 50 mmol / L KC1, 10 mmol / L Tris-CI, (pH 8.5), 1.5 mmol / L MgCl 2 , 200 ⁇ mol / L dNTP, lOpmol primers in a 50 ⁇ 1 reaction volume, 1U of Taq DNA polymerase (Clontech).
- the reaction was performed on a PE9600 DNA thermal cycler (Perkin-Elmer) for 25 cycles under the following conditions: 94 ° C 30sec; 55 ° C 30sec; 72. C 2min.
- ⁇ -act in was set as a positive control and template blank was set as a negative control.
- the amplified product was purified using a QIAGEN kit and ligated to a PCR vector (Invitrogen product) using a TA cloning kit.
- the DNA sequence analysis results showed that the DNA sequence of the PCR product was exactly the same as that of 1-1675bp shown in SEQ ID NO: 1.
- Example 4 Northern blot analysis of the expression of the parathyroid hormone 9 gene:
- a 32P-labeled probe (about 2 x 10 6 cpm / ml) was hybridized with a nitrocellulose membrane to which RNA was transferred at 42 ° C overnight in a solution containing 50% formamide-25mM KH 2 P0 4 (pH 7.4) -5 x SSC-5 Denhardt's solution and 200 ⁇ g / ml salmon sperm DNA. After hybridization, the filter was washed in 1 x SSC-0.1% SDS at 55 ° C for 30 min. Then, Phosphor Imager was used for analysis and quantification.
- Example 5 In vitro expression, isolation and purification of recombinant parathyroid hormone 9
- Primer 3 5'-CCCCATATGATGGCCTGTTTGGCTGGACGATGC-3 '(Seq ID No: 5)
- Primer4 5 -CCCGAATTCTCAGGAAAGCCTTAGTTGTGCCCA-3' (Seq ID No: 6)
- the 5 'ends of these two primers contain Ndel and EcoRI obscure sites, respectively.
- the coding sequences of the 5 'and 3' ends of the gene of interest are followed respectively.
- the Ndel and EcoRI restriction sites correspond to the selection on the expression vector plasmid pET-28b (+) (Novagen, Cat. No. 69865. 3). Sex endonuclease site.
- the pBS-0969d03 plasmid containing the full-length target gene was used as a template for the PCR reaction.
- the PCR reaction conditions are: 50 ⁇ 1 in total volume with P BS-0969d03
- the plasmid 10 pg, primer Primer_3 and Primer-4 were divided into 1 and 1 J was 10 pmol Advantage polymerase Mix (Clontech) 1 ⁇ 1.
- Cycle parameters 94 ° C 20s, 60 C 30s, 68 ° C 2 min, a total of 25 cycles.
- Ndel and EcoRI were used to double digest the amplified product and plasmid P ET-28 (+), respectively, and large fragments were recovered and ligated with T4 ligase.
- the ligation product was transformed into E.
- coli DH5a by the calcium chloride method. After being cultured overnight on an LB plate containing kanamycin (final concentration 304 g / ml), positive clones were screened by colony PCR method and sequenced. A positive clone (pET-0969d03) with the correct sequence was selected, and the recombinant plasmid was transformed into E. coli BL21 (DE3) plySs (product of Novagen) using the calcium chloride method.
- the host bacteria BL21 (pET_0969d03) was cultured at 37 ° C to the logarithmic growth phase, IPTG was added to a final concentration of 1 ol / L, and the culture was continued. 5 hours. The bacteria were collected by centrifugation, and the supernatant was collected by centrifugation. The supernatant was collected by centrifugation. The affinity chromatography column His. Bind Quick Cartridge (product of Nuvagen) was used to obtain 6 histidines (6His-Tag). Purified the target protein parathyroid hormone 9. After SDS-PAGE electrophoresis, a single band was obtained at 9 kDa ( Figure 2).
- NH2-Met-Ala-Cys-Leu-Ala-Gly-Arg-Cys-Leu-Gly-Leu-Thr-Phe-Phe-Glu-C00H (SEQ ID NO: 7).
- the polypeptide is coupled to hemocyanin and bovine serum albumin to form a complex, respectively.
- hemocyanin and bovine serum albumin For methods, see: Avrameas, et al. Immunochemistry, 1969; 6: 43. Rabbits were immunized with 4 mg of the hemocyanin polypeptide complex plus complete Freund's adjuvant, and 15 days later, the hemocyanin polypeptide complex plus incomplete Freund's adjuvant was used to boost immunity once.
- Suitable oligonucleotide fragments selected from the polynucleotides of the present invention are used as hybridization probes in a variety of ways.
- the probes can be used to hybridize to genomic or cDNA libraries of normal tissue or pathological tissue from different sources to It is identified whether it contains the polynucleotide sequence of the present invention and a homologous polynucleotide sequence is detected.
- the probe can also be used to detect the polynucleotide sequence of the present invention or its homologous polynucleotide sequence in normal tissue or Pathology Whether the expression in tissue cells is abnormal.
- the purpose of this embodiment is to select a suitable oligonucleotide fragment from the polynucleotide SEQ ID NO: 1 of the present invention as a hybridization probe, and to identify whether some tissues contain the polynucleoside of the present invention by a filter hybridization method.
- Filter hybridization methods include dot blotting, Southern imprinting, Nor thern blotting, and copying methods. They all use the same steps to fix the polynucleotide sample to be tested on the filter and then hybridize.
- the sample-immobilized filter is first pre-hybridized with a probe-free hybridization buffer to saturate the non-specific binding site of the sample on the filter with the carrier and the synthesized polymer.
- the pre-hybridization solution is then replaced with a hybridization buffer containing labeled probes and incubated to hybridize the probes to the target nucleic acid.
- unhybridized probes are removed by a series of membrane washes.
- This embodiment uses higher-intensity washing conditions (such as lower salt concentration and higher temperature) to reduce the hybridization background and retain only strong specific signals.
- the probes used in this embodiment include two types: the first type of probes are oligonucleotide fragments that are completely the same as or complementary to the polynucleotide SEQ ID NO: 1 of the present invention; the second type of probes are partially related to the present invention
- the polynucleotide SEQ ID NO: 1 is the same or complementary oligonucleotide fragment.
- the dot blot method is used to fix the sample on the filter membrane. Under the high-intensity washing conditions, the first type of probe and the sample have the strongest hybridization specificity and are retained.
- oligonucleotide fragments for use as hybridization probes from the polynucleotide SEQ ID NO: 1 of the present invention should follow the following principles and several aspects to be considered:
- the preferred range of probe size is 18-50 nucleotides
- preliminary selection probes Those that meet the above conditions can be used as preliminary selection probes, and then further analyzed by computer sequence, including the preliminary selection probe and its source sequence region (ie, SEQ ID NO: 1) and other known genomic sequences and their The complementary region is compared for homology. If the homology with the non-target molecular region is greater than 85% or there are more than 15 consecutive bases, the primary probe should not be used;
- Probe 1 (probel), which belongs to the first type of probe, is completely homologous or complementary to the gene fragment of SEQ ID NO: 1 (41Nt)
- Probe 2 which belongs to the second type of probe, is equivalent to the gene fragment of SEQ ID NO: 1 or its 5'-TGGCCTGTTTGGCTGGACGCCGCCTCGGCTTGACCTTTTTT-3 '(SEQ ID NO: 9)
- probe 2 is equivalent to the gene fragment of SEQ ID NO: 1 or its 5'-TGGCCTGTTTGGCTGGACGCCGCCTCGGCTTGACCTTTTTT-3 '(SEQ ID NO: 9)
- PBS phosphate buffered saline
- step 8-13 are only used when contamination must be removed, otherwise step 14 can be performed directly.
- NC membranes nitrocellulose membranes
- the sample membrane was placed in a plastic bag, and a 3- 1 Omg pre-hybridization solution (1 OxDenhar df s; 6xSSC, 0.1 mg / ml) was added.
- CT DNA calf thymus DNA).
- polypeptides of the present invention as well as antagonists, agonists and inhibitors of the polypeptides, can be directly used in the treatment of diseases, for example, they can treat malignant tumors, adrenal deficiency, skin diseases, various types of inflammation, HIV infection, and immune diseases.
- Para thyroid hormone is secreted by the parathyroid glands near the thyroid gland, it is a protein hormone, and it is a pair of peptide hormones that act opposite to calcitonin. They both act on the bone matrix Together with the kidneys, it can regulate calcium and phosphorus metabolism and make the calcium and phosphorus concentration in the blood relatively stable. The former function is to increase blood calcium, while the latter is to lower blood calcium. Mot if is a parathyroid hormone-specific conserved sequence Required for sex.
- parathyroid hormone is closely related to the physiological regulatory effects of calcitonin, gastrin, secretin, and glucagon.
- abnormal expression of the specific parathyroid hormone mot if will cause abnormal function of the polypeptide containing this mot if, resulting in abnormal calcium and phosphorus metabolism of bone and blood, and related diseases such as rickets and chicken breasts.
- parathyroid hormone 9 of the present invention will produce various diseases, especially rickets, chicken breast, osteomalacia, myeloma, hyperparathyroidism, hypoparathyroidism, and parathyroid glands.
- Abnormal expression of the parathyroid hormone 9 of the present invention will also produce certain hereditary, hematological and immune system diseases.
- the polypeptide of the present invention and the antagonists, agonists and inhibitors of the polypeptide can be directly used in the treatment of diseases, for example, it can treat various diseases, especially rickets, chicken breast, osteomalacia, myeloma, hyperparathyroidism, Hypoparathyroidism, parathyroid hyperplasia, parathyroid cysts, parathyroid tumors, infant hyperglycemia, adult hypercalcemia, growth disorders such as mental retardation, brain development disorders, mental retardation , Skin, fat, and muscular dysplasia, premature aging, sexual retardation, certain hereditary, blood diseases, and immune system diseases.
- various diseases especially rickets, chicken breast, osteomalacia, myeloma, hyperparathyroidism, Hypoparathyroidism, parathyroid hyperplasia, parathyroid cysts, parathyroid tumors, infant hyperglycemia, adult hypercalcemia, growth disorders such as mental retardation, brain development disorders, mental retardation , Skin, fat, and
- the invention also provides methods for screening compounds to identify agents that increase (agonist) or suppress (antagonist) parathyroid hormone 9.
- Agonists increase biological functions such as parathyroid hormone 9 to stimulate cell proliferation, while antagonists prevent and treat disorders related to excessive cell proliferation, such as various cancers.
- mammalian cells or a membrane preparation expressing parathyroid hormone 9 can be cultured with labeled parathyroid hormone 9 in the presence of a drug. The ability of the drug to increase or block this interaction is then determined.
- Antagonists of parathyroid hormone 9 include antibodies, compounds, receptor deletions, and the like that have been screened. Antagonists of parathyroid hormone 9 can bind to parathyroid hormone 9 and eliminate its function, or inhibit the production of the polypeptide, or bind to the active site of the polypeptide so that the polypeptide cannot perform biological functions.
- parathyroid hormone 9 When screening compounds as antagonists, parathyroid hormone 9 can be added to the bioanalytical assay to determine whether the compound is an antagonist by measuring the effect of the compound on the interaction between parathyroid hormone 9 and its receptor. Using the same method for screening compounds as above, it can be screened to act as an antagonist Receptor deletions and analogs. Polypeptide molecules capable of binding to parathyroid hormone 9 can be obtained by screening a random peptide library composed of various possible combinations of amino acids bound to a solid phase. When screening, generally 9 molecules of parathyroid hormone should be labeled.
- the present invention provides a method for producing antibodies using polypeptides, and fragments, derivatives, analogs or cells thereof as antigens. These antibodies can be polyclonal or monoclonal antibodies.
- the invention also provides antibodies directed against a parathyroid hormone 9 epitope. These antibodies include (but are not limited to): polyclonal antibodies, monoclonal antibodies, chimeric antibodies, single chain antibodies, Fab fragments, and fragments generated from Fab expression libraries.
- polyclonal antibodies can be obtained by immunizing animals (such as rabbits, mice, rats, etc.) by injecting parathyroid hormone 9 directly.
- adjuvants can be used to enhance the immune response, including but not limited to Freund's adjuvant.
- Techniques for preparing monoclonal antibodies to parathyroid hormone 9 include, but are not limited to, hybridoma technology (Kohler and Milstein. Nature, 1975, 256: 495-497), triple tumor technology, human beta-cell hybridoma technology, and EBV-hybridization. Tumor technology, etc.
- Chimeric antibodies that bind human constant regions to non-human variable regions can be produced using existing techniques (Morrison et al, PNAS, 1985, 81: 6851) ⁇ and existing techniques for producing single-chain antibodies (US Pat No. .4946778) can also be used to produce single chain antibodies against parathyroid hormone 9.
- Antibodies against parathyroid hormone 9 can be used in immunohistochemical techniques to detect parathyroid hormone 9 in biopsy specimens.
- Monoclonal antibodies that bind to parathyroid hormone 9 can also be labeled with radioisotopes and injected into the body to track their location and distribution. This radiolabeled antibody can be used as a non-invasive diagnostic method to locate tumor cells and determine whether there is metastasis.
- Antibodies can also be used to design immunotoxins that target a particular part of the body.
- parathyroid hormone 9 high affinity monoclonal antibodies can covalently bind to bacterial or phytotoxins (such as diphtheria toxin, ricin, ormosine, etc.).
- a common method is to attack the amino group of the antibody with a thiol cross-linking agent such as SPDP and bind the toxin to the antibody through the disulfide exchange. This hybrid antibody can be used to kill parathyroid hormone 9 positive cells.
- the antibodies in the present invention can be used to treat or prevent diseases related to parathyroid hormone 9.
- Administration of appropriate doses of antibodies can stimulate or block the production or activity of parathyroid hormone 9.
- the invention also relates to a diagnostic test method for quantitative and localized detection of parathyroid hormone 9 levels.
- tests are well known in the art and include FISH assays and radioimmunoassays.
- the levels of parathyroid hormone 9 detected in the test can be used to explain the importance of parathyroid hormone 9 in various diseases and to diagnose diseases in which parathyroid hormone 9 plays a role.
- polypeptides of the present invention can also be used for peptide mapping, for example, the polypeptides can be physically, chemically or enzymatically Specific cleavage and one-dimensional or two-dimensional or three-dimensional gel electrophoresis analysis, preferably mass spectrometry.
- Polynucleotides encoding parathyroid hormone 9 can also be used for a variety of therapeutic purposes. Gene therapy technology can be used to treat abnormal cell proliferation, development or metabolism caused by the non-expression or abnormal / inactive expression of parathyroid hormone 9.
- Recombinant gene therapy vectors (such as viral vectors) can be designed to express mutated parathyroid hormone 9 to inhibit endogenous parathyroid hormone 9 activity.
- a variant parathyroid hormone 9 may be a shortened parathyroid hormone 9 lacking a signaling domain. Although it can bind to downstream substrates, it lacks signaling activity. Therefore, recombinant gene therapy vectors can be used to treat diseases caused by abnormal expression or activity of parathyroid hormone 9.
- Virus-derived expression vectors such as retrovirus, adenovirus, adenovirus-associated virus, herpes simplex virus, parvovirus, etc. can be used to transfer a polynucleotide encoding parathyroid hormone 9 into a cell.
- a method for constructing a recombinant viral vector carrying a polynucleotide encoding a parathyroid hormone 9 can be found in the existing literature (Sambrook, et al.).
- a recombinant polynucleotide encoding parathyroid hormone 9 can be packaged into liposomes and transferred into cells.
- Methods for introducing a polynucleotide into a tissue or cell include: directly injecting the polynucleotide into a tissue in vivo; or introducing the polynucleotide into a cell in vitro through a vector (such as a virus, phage, or plasmid), and then transplanting the cell Into the body and so on.
- a vector such as a virus, phage, or plasmid
- Oligonucleotides including antisense RNA and DNA
- ribozymes that inhibit parathyroid hormone 9 mRNA are also within the scope of the present invention.
- a ribozyme is an enzyme-like RNA molecule that specifically decomposes specific RNA. Its mechanism is that the ribozyme molecule specifically hybridizes with a complementary target RNA for endonucleation.
- Antisense RNA, DNA, and ribozymes can be obtained using any existing RNA or DNA synthesis techniques, such as solid-phase phosphate amide chemical synthesis to synthesize oligonucleotides.
- Antisense RNA molecules can be obtained by in vitro or in vivo transcription of I) NA sequences encoding the RNA.
- This DNA sequence has been integrated downstream of the vector's RNA polymerase promoter.
- it can be modified in a variety of ways, such as increasing the sequence length on both sides, and the phosphorothioate or peptide bond instead of the phosphodiester bond is used for the ribonucleoside linkage.
- a polynucleotide encoding parathyroid hormone 9 is useful in the diagnosis of diseases related to parathyroid hormone 9.
- a polynucleotide encoding parathyroid hormone 9 can be used to detect the expression of parathyroid hormone 9 or abnormal expression of parathyroid hormone 9 in a disease state.
- a DNA sequence encoding parathyroid hormone 9 can be used to hybridize biopsy specimens to determine the expression of parathyroid hormone 9.
- Hybridization techniques include Southern blotting, Nort hern blotting, and in situ hybridization. These techniques and methods are publicly available and mature, and related kits are commercially available.
- a part or all of the polynucleotides of the present invention can be used as probes to be fixed on a microarray (Microarray) or a DNA chip (also known as a "gene chip") for analyzing differential expression analysis of genes in tissues and Genetic diagnosis.
- a microarray Microarray
- a DNA chip also known as a "gene chip”
- RT-PCR Specific parathyroid hormone 9 RNA-polymerase chain reaction
- Detection of mutations in the parathyroid hormone 9 gene can also be used to diagnose parathyroid hormone 9 related diseases. Mutations of parathyroid hormone 9 include point mutations, translocations, deletions, recombinations, and any other abnormalities compared to normal wild-type parathyroid hormone 9 DNA sequences. Mutations can be detected using existing techniques such as Southern imprinting, DNA sequence analysis, PCR and in situ hybridization. In addition, mutations may affect protein expression. Therefore, Northern blotting and Western blotting can be used to indirectly determine whether a gene is mutated.
- the sequences of the invention are also valuable for chromosome identification.
- the sequence specifically targets a specific position on a human chromosome and can hybridize to it.
- specific sites for each gene on the chromosome need to be identified.
- only a few chromosome markers based on actual sequence data are available for marking chromosome positions.
- the important first step is to locate these DNA sequences on a chromosome.
- PCR primers (preferably 15-35bp) are prepared from the cDNA, and the sequences can be located on the chromosomes. These primers were then used for PCR screening of somatic hybrid cells containing individual human chromosomes. Only those heterozygous cells containing the human gene corresponding to the primer will produce amplified fragments.
- PCR localization of somatic hybrid cells is a quick way to localize DNA to specific chromosomes.
- oligonucleotide primers of the present invention in a similar manner, a set of fragments from a specific chromosome or a large number of genomic clones can be used to achieve sublocalization.
- Other similar strategies that can be used for chromosomal localization include in situ hybridization, chromosome pre-screening with labeled flow sorting, and pre-selection of hybridization to construct chromosome-specific cDNA libraries.
- Fluorescent in situ hybridization of cDNA clones with metaphase chromosomes allows precise chromosomal localization in a single step.
- FISH Fluorescent in situ hybridization
- the physical location of the sequence on the chromosome can be correlated with the genetic map data. These data can be found in, for example, V. Mckusick, Mendelian Inheritance in Man (available online with Johns Hopkins University Welch Medical Library). Linkage analysis can then be used to determine the relationship between genes and diseases that have been mapped to chromosomal regions.
- the differences in cDNA or genomic sequences between the affected and unaffected individuals need to be determined. If a mutation is observed in some or all diseased individuals and the mutation is not observed in any normal individuals, the mutation may be the cause of the disease. Comparing diseased and diseased individuals usually involves first looking for structural changes in the chromosome, such as defects visible at the chromosomal level or detectable by cDNA-based PCR Missing or transposing. According to the resolution capabilities of current physical mapping and gene mapping technology, the cDNA accurately mapped to the chromosomal region associated with the disease can be one of 50 to 500 potentially pathogenic genes (assuming 1 megabase Figure resolution and each 20kb corresponds to a gene).
- the polypeptides, polynucleotides and mimetics, agonists, antagonists and inhibitors of the present invention can be used in combination with a suitable pharmaceutical carrier.
- suitable pharmaceutical carrier can be water, glucose, ethanol, salts, buffers, glycerol, and combinations thereof.
- the composition comprises a safe and effective amount of the polypeptide or antagonist, and carriers and excipients which do not affect the effect of the drug. These compositions can be used as drugs for the treatment of diseases.
- the invention also provides a kit or kit containing one or more containers containing one or more ingredients of the pharmaceutical composition of the invention.
- a kit or kit containing one or more containers containing one or more ingredients of the pharmaceutical composition of the invention.
- these containers there may be instructional instructions given by government agencies that manufacture, use, or sell pharmaceuticals or biological products, which prompts permission for administration on the human body by government agencies that produce, use, or sell.
- the polypeptides of the invention can be used in combination with other therapeutic compounds.
- the pharmaceutical composition can be administered in a convenient manner, such as by a topical, intravenous, intraperitoneal, intramuscular, subcutaneous, intranasal or intradermal route of administration.
- Parathyroid hormone 9 is administered in an amount effective to treat and / or prevent a specific indication.
- the amount and range of parathyroid hormone 9 administered to a patient will depend on many factors, such as the mode of administration, the health conditions of the person to be treated, and the judgment of the diagnostician.
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Description
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU19896/01A AU1989601A (en) | 1999-12-24 | 2000-12-18 | A novel polypeptide, parathyroid hormone 9 and the polynucleotide encoding the polypeptide |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99125772 CN1301740A (zh) | 1999-12-24 | 1999-12-24 | 一种新的多肽——甲状旁腺激素9和编码这种多肽的多核苷酸 |
| CN99125772.3 | 1999-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001048207A1 true WO2001048207A1 (fr) | 2001-07-05 |
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ID=5284182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2000/000633 Ceased WO2001048207A1 (fr) | 1999-12-24 | 2000-12-18 | Nouveau polypeptide, hormone parathyroidienne 9, et polynucleotide codant pour ce polypeptide |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1301740A (zh) |
| AU (1) | AU1989601A (zh) |
| WO (1) | WO2001048207A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009033666A3 (en) * | 2007-09-11 | 2009-10-01 | Mondobiotech Laboratories Ag | Use of parathyroid hormone ( 1-34 ) as anti-hiv agent |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3312928A1 (de) * | 1983-04-11 | 1984-11-22 | Gesellschaft für Biotechnologische Forschung mbH (GBF), 3300 Braunschweig | Human-parathormon produzierende hybridvektoren und human-parathormongen |
| EP0483509A1 (en) * | 1990-09-28 | 1992-05-06 | Takeda Chemical Industries, Ltd. | Synthetic gene coding for human parathyroid hormone |
| WO1999005277A1 (en) * | 1997-07-25 | 1999-02-04 | Mogam Biotechnology Research Institute | A recombinant expression vector of human parathyroid hormone using phosphoribulokinase as a fusion partner |
-
1999
- 1999-12-24 CN CN 99125772 patent/CN1301740A/zh active Pending
-
2000
- 2000-12-18 AU AU19896/01A patent/AU1989601A/en not_active Abandoned
- 2000-12-18 WO PCT/CN2000/000633 patent/WO2001048207A1/zh not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3312928A1 (de) * | 1983-04-11 | 1984-11-22 | Gesellschaft für Biotechnologische Forschung mbH (GBF), 3300 Braunschweig | Human-parathormon produzierende hybridvektoren und human-parathormongen |
| EP0483509A1 (en) * | 1990-09-28 | 1992-05-06 | Takeda Chemical Industries, Ltd. | Synthetic gene coding for human parathyroid hormone |
| WO1999005277A1 (en) * | 1997-07-25 | 1999-02-04 | Mogam Biotechnology Research Institute | A recombinant expression vector of human parathyroid hormone using phosphoribulokinase as a fusion partner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009033666A3 (en) * | 2007-09-11 | 2009-10-01 | Mondobiotech Laboratories Ag | Use of parathyroid hormone ( 1-34 ) as anti-hiv agent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1301740A (zh) | 2001-07-04 |
| AU1989601A (en) | 2001-07-09 |
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