FIELD: biology.
SUBSTANCE: present invention relates to biotechnology. An A-5D1 strain is obtained from fusing mouse myeloma cell line SP2/0.Ag14 with mouse lymphocyte line Balb/c, immunised by introduction into pouches of a purified preparation of alpha 2-fertility microglobulin, extracted from amniotic fluid, and deposited in the collection of passaged culture of mammal cells of the state research institute of human morphology (Russian Academy of Medical Sciences) under the number 144/2002. The strain of hybredome A-5D1 synthesises the IgG1 class monoclonal antibody, which specifically interacts in enzyme-linked immunosorbent assay and immunohistochemical assay with isoforms of alpha 2-fertility microglobulin of endometrial or special origin. Monoclonal antibodies do not have cross reaction with placental α 1-microglobulin, trophoblastic β1-globulin, human chorionic gonadotropin, α-fetoprotein, bovine serum albumin, and C-reactive protein. Monoclonal antibodies detect alpha 2-fertility microglobulin/glycodelin in cells and tissue of female and male reproductive organs.
EFFECT: use of monoclonal antibody A-5D1 as an immunodiagnostic system allows for quantitative analysis of isoforms of alpha 2-fertility microglobulin/glycodelin in body fluids with high sensitivity (1 ng/ml) and specificity.
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