MONOCLONAL ANTI-IDIOTYPIC ANTIBODY AB2, METHOD FOR ITS PREPARING, USAGE AGAINST DISEASES ACCOMPANYING WITH EXPRESSION OF LEWIS Y6 ANTIGEN AND FOR PURIFICATION OF ANTIBODY VARIANT BR 55-2, CURATIVE-PROPHYLACTIC COMPOSITION Russian patent published in 2003 - IPC

FIELD: medicine, immunology, genetic engineering, pharmacy. SUBSTANCE: invention relates to murine monoclonal anti-idiotypic antibody BR 55-2 Ab2 that is a substitute of antigen Lewis Y6. Antibody is prepared by means of hybridoma technology using conjugate of fragment F(ab')2 JgG63 BR 55-2 of mouse as an antigen. Prepared anti-idiotypic antibody is used for prophylactic or therapeutic immunization against diseases accompanying with expression of antigen Lewis Y6 and as a component in curative- -prophylactic pharmaceutical composition also. Prepared anti-idiotypic antibody is used for quantitative determination of monoclonal antibody with specific binding BR 55-2 and for one-step immunoaffinity purification of variant BR 55-2 of antibody. The usage of invention provides prophylaxis of HIV-infections, cancer of epithelial origin and cancer of lung small cells and their treatment also. EFFECT: improved preparing method, valuable medicinal properties of antibody. 10 cl, 39 dwg, 4 tbl, 23 ex