CD46 variants

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

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Details

536 235, 536 2431, 536 2433, C12Q 168, C07H 2104

Patent

active

058467157

ABSTRACT:
CD46 (membrane cofactor protein) is a family of human cell surface glycoprotein with cofactor activity for factor I mediated cleavage of complement components C3b and C4b. Disclosed are novel nucleic acid sequences arising from splice variants or derivatives thereof of the structural gene encoding the family of proteins. From these sequences recombinant derived proteins and antibodies thereto can be produced. The proteins can resemble native CD46 isoforms or comprise new permutations of exons within the structural gene. The nucleic acids, proteins and antibodies have utility as probes, diagnostic reagents and therapeutic agents.

REFERENCES:
patent: 5514787 (1996-05-01), Atkinson
patent: 5552381 (1996-09-01), Atkinson
Lublin, D. et al, "Molecular Cloning & Chromosomal Localization of Human Membrane Cofactor Protein (MCP)", The Journal of Experimental Medicine, vol. 168: pp. 181-194, (Jul. 1988).
Ballard, L. et al, "Biochemical Characterization of Membrane Cofactor Protein of the Complement System", The Journal of Immunology, vol. 141: No. 11, pp. 3923-3929 (Dec. 1, 1988).
Purcell et al, "The Human Non-lineage Antigen CD64 (HULY-M5) and Primate Retroviral gp70 Molecules Share Protein Defined Antigenic Determinants", Immunology and Cell Biology, vol. 67: No. 5, pp. 279-289 (1989).
Purcell et al, "Human Non-lineage Antigen, CD46, (HULY-M5): Purification and Partial Sequencing Demonstrates Structural Homology with Complement-regulating Glycoproteins", Immunogenetics, vol. 31: pp. 21-28 (1990).
Ballard et al, "A Polymorphism of the Complement Regulatory Protein MCP (Membrane Cofactor Protein or gp 45-70)", Chemical Abstracts, vol. 107: No. 9, pp. 3850-3855, (Aug. 31, 1987).
Bora, N.S. et al, "Structural Gene for Human Membrane Cofactor Protein (MCP) of Complement Maps to Within 100 Kb of the 3' End of the C3b/C4b Receptor Gene", Chemical Abstracts, vol. 110: pp. 597-602, (Apr. 24, 1989).
Seya, et al., Functional Properties of Membrane Cofactor Protein of Complement, Biochem. J., vol. 264: pp. 581-588, (1989).
Ballard, L. et al, "A Polymorphism of the Complement Regulatory Protein MCP," The Journal of Immunology, vol. 138: No. 11, pp. 3850-3855 (Jun. 1, 1987).
Seya, et al., "Distribution of Membrane Cofactor Protein of Complement on Human Peripheral Blood Cells. An Altered Form is Found on Granulocytes," Eur. J. Immunology, vol. 18: pp. 1289-1294 (1988).

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