FIELD: biotechnology, immunology, medicine, oncology.
SUBSTANCE: strain of hybrid cultured mammalian cells Mus musculus VKPM H-98 is prepared by the hybridoma technology method. This strain is a producer of monoclonal antibodies possessing individual specificity to hypoglycosidated and deglycosidated isoforms of tumor-associated human antigen Muc I. Productivity of the strain and specificity of produced antibodies is estimated based on the immunoenzyme assay using some markers of specificity: natural purified antigen Muc I isolated from human milk; VNTR22-polypeptide; synthetic monomeric polypeptide (TR1); deglycosidated antigen Muc I (de-Muc I) prepared by chemical oxidation of natural Muc I; hypoglycosidated antigen Muc I (o-Muc I) prepared by periodate oxidation of natural Muc I. Monoclonal antibodies produced by the claimed strain recognize clinically significant isoforms of antigen Muc I and allows assaying its concentrations in human serum blood in carrying out the early diagnosis of tumors. Invention can be used in preparing monoclonal antibodies to tumor-associated human antigen Muc I.
EFFECT: valuable properties of strain.
2 dwg, 3 ex
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