大容量天然人源Fab抗體庫的構(gòu)建及日本血吸蟲抗獨特型抗體的篩
[Abstract]:Aim: to construct a large volume natural human Fab antibody library and to screen human anti idiotypic antibodies against Schistosoma japonicum. Methods: bone marrow lymphocytes from 15 healthy adults were collected and the natural human Fab antibody library was constructed. The serum IgG envelopes of mice immunized with Schistosoma japonicum soluble egg antigen (SEA) and adult worm antigen (SWAP) were screened and identified by ELISA, and the positive clones were expressed in a soluble way. Results: the 2 脳 10 ~ 9 large capacity natural human Fab antibody library was constructed. The nucleotide sequence analysis showed that the inserted fragment was a Fab gene fragment. After six rounds of screening, 80 clones were randomly selected from the enriched secondary antibody library, and four monoclonal antibodies (C12C19D1D _ 2), which could specifically bind to immunized mouse serum (Ab1), but not to SEA and SWAP, were obtained by ELISA assay, of which C12 was identified by SDS-PAG.
【作者單位】: 南京醫(yī)科大學病理學系 南京醫(yī)科大學病理學系 南京醫(yī)科大學病理學系 南京醫(yī)科大學病理學系 南京醫(yī)科大學病理學系
【基金】:國家“863”項目資助(2002AA214181)
【分類號】:R392
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