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Antibodies to CCR5

Antibody, chemokine receptor technology for use in the treatment of disorders and/or conditions, treatment, identification of antagonists of G protein chemokine receptor activity, polynucleotides of novel human polypeptides, prevention and/or diagnosis These diseases, G protein chemokine receptor peptide field, can solve the problems of adverse side effects, patients' difficulty in complying with drug therapy, and undetectable HIV RNA

Inactive Publication Date: 2005-11-16
HUMAN GENOME SCI INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are currently 14 drugs approved for the treatment of HIV, half of patients are still not successfully treated after one year of drug therapy (success is defined as undetectable HIV RNA in serum (in practice this is equal to less than 50 Copies of HIV-1 RNA))
The ineffectiveness of these drug therapies in the treatment of HIV stems from several failures: the use of certain drugs has resulted in the development of drug-resistant strains of HIV; some individuals cannot tolerate certain drugs or have adverse side effects; patients have difficulty adhering to complex dosing regimens; and that the drug does not come close to HIV reservoirs in the body

Method used

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  • Antibodies to CCR5
  • Antibodies to CCR5
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 60

[0544] The invention also includes antibodies (including molecules comprising or consisting of antibody fragments or variants thereof) that share one or more of the same biological characteristics as one or more of the antibodies described herein. The so-called "biological characteristics" refer to the in vitro or in vivo activity or properties of the antibody, such as binding to G-protein chemokine receptor (CCR5) (such as G-protein chemokine receptor (CCR5) expressed on the cell surface, membrane chimeric G-protein Chemokine Receptor (CCR5), and / or a fragment or variant of G-protein Chemokine Receptor (CCR5); substantially inhibit or destroy G-protein Chemokine Receptor (CCR5) and G-protein Chemokine Receptor (CCR5) Ability to bind protein chemokine receptor (CCR5) ligands (e.g. MIP1-β, see eg Example 61); ability to downregulate expression of G protein chemokine receptor (CCR5) polypeptides on the cell surface; inhibit or destroy G Protein Chemokine Receptor (CCR5)-mediated...

Embodiment 57

[1123] Other activities

[1124] The polypeptides, polynucleotides, agonists or antagonists of the present invention, as a result of their ability to stimulate the growth of vascular endothelial cells, can be used to treat ischemic tissue damage due to various disease conditions such as thrombosis, arteriosclerosis and other cardiovascular conditions. revascularization. Polypeptides, polynucleotides, agonists or antagonists of the invention can also be used to stimulate angiogenesis and limb regeneration, as discussed previously.

[1125] Polypeptides, polynucleotides, agonists or antagonists of the present invention can also be used to treat, prevent and / or diagnose wounds caused by trauma, burns, post-operative tissue recovery and ulcers, etc., because they promote various sources of cells (such as , fibroblasts, skeletal muscle cells), thus promoting the repair or replacement of damaged or diseased tissue.

[1126] Polypeptides, polynucleotides, agonists or antagonists of...

Embodiment 1

[1138] Bacterial expression and purification of HDGNR10

[1139] Amplification of HDGNR10 encoding ATCC number 97183 was initiated using PCR oligonucleotide primers corresponding to the vector sequence and the 5' sequence of the processed HDGNR10 protein (with signal peptide sequence removed), and the vector sequence located at the 3' end of the HDGNR10 gene DNA sequence. Additional nucleotides corresponding to HDGNR10 were added to the 5' and 3' sequences, respectively. The 5' oligonucleotide primer sequence is: 5'CGGAATTCCTCCATGGATTATCAAGTGTCA 3' (SEQ ID NO: 3), which contains an EcoR I restriction enzyme site, followed by the HDGNR10 coding sequence of 18 nucleotides, the start The predicted terminal amino acid of the codon in the processed protein. The 3' sequence is 5'CGGAAGCTTCGTCACAAAGCCCAGATAT 3' (SEQ ID NO. 4), which contains the sequence complementary to the HindIII site, followed by the 18 nucleotide coding sequence of HDGNR10. The restriction enzyme sites corres...

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Abstract

The present invention relates to a novel human protein called Human G-protein Chemokine Receptor (CCR5) HDGNR10, and isolated polynucleotides encoding this protein. The invention is also directed to human antibodies that bind Human G-protein Chemokine Receptor (CCR5) HDGNR10 and to polynucleotides encoding those antibodies. Also provided are vectors, host cells, antibodies, and recombinant methods for producing Human G-protein Chemokine Receptor (CCR5) HDGNR10 and human anti-Human G-protein Chemokine Receptor (CCR5) HDGNR10 antibodies. The invention further relates to diagnostic and therapeutic methods useful for diagnosing and treating diseases, disorders, and / or conditions related to this novel human protein and these novel human antibodies.

Description

field of invention [0001] The present invention relates to novel human genes encoding G-protein chemokine receptor (CCR5) family member polypeptides. More specifically, the present invention relates to polynucleotides encoding a novel human polypeptide designated human G-protein Chemokine Receptor (CCR5) HDGNR10 (referred to herein as "G-protein Chemokine Receptor" or "HDGNR10"). The present invention also relates to the G-protein Chemokine Receptor (CCR5) polypeptide, as well as vectors, host cells, antibodies directed to the G-protein Chemokine Receptor (CCR5) polypeptide, and their recombinant methods. The present invention also provides diagnostic methods for detecting diseases, disorders and / or conditions involving the immune system and HIV infection, and therapeutic methods for treating, preventing and / or diagnosing such diseases, disorders and / or conditions. The present invention also relates to screening methods for identifying antagonists and agonists of G-protein Ch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/50A61K31/7088A61K38/00A61K39/395A61K45/00A61K48/00A61P11/00A61P19/02A61P25/00A61P29/00A61P31/00A61P31/12A61P31/18A61P35/00A61P37/00C07K14/715C07K16/28C07K19/00C12N1/15C12N1/19C12N1/21C12N5/10C12N15/09C12P21/02C12P21/08G01N33/15G01N33/53G01N33/566
CPCA01K2217/075C07K16/2866C07K2319/00A01K2217/05C07K14/7158C12N2799/026A61K48/00A61K38/00A61P11/00A61P19/02A61P25/00A61P29/00A61P31/00A61P31/12A61P31/18A61P35/00A61P37/00C07H21/04
Inventor C·A·罗森V·罗施克李毅S·M·鲁宾
Owner HUMAN GENOME SCI INC