Production and evaluation of monoclonal antibodies for alphafetoprotein

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Human AFP was used as an antigen for the development of monoclonal antibodies by the hybridoma technique. Balb/c mice were immunized with highly purified AFP. The preparation of I125-AFP was carried out by lactoperoxidase oxidation method, preparation of AFP standards was carried out from cord sera. The antibody titer of the serum was tested by RIA-AFP system. The spleen of the immunized Balb/c was fused with Sp20 mouse myeloma cells. The cells from the positive hybridomas were cloned twice using limiting dilution method. Eleven stable clones were thus established for secreting monoclonal antibodies to AFP. Cells in this growth phase were chosen for freezing.

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