重組人抗HER2抗體在畢赤酵母中的表達(dá)及活性研究
[Abstract]:In this study, by using gene recombination technique, based on the constructed full-human anti-rabies virus antibody expression vector with FC segment and PCR mediated site-directed mutagenesis, a CDR3 free screening and identification was constructed. A universal vector for expression. The CDR3 of human and mouse anti HER2 antibody synthesized in vitro was ligated to the constructed universal vector, and the biological and immunological functions of the expressed product in yeast were detected. The universal vector constructed in this experiment and the recombinant human and mouse anti-HER2 antibody were identified. Using the network database, the first humanized HER2 recombinant monoclonal antibody (Herceptin) applied to HER2 positive breast cancer patients was used as the reference, and the primary structure, secondary structure and three dimensional structure of the recombinant human and murine anti-HER2 antibodies were analyzed respectively. The key to determine the activity of HER2 antibody was found out through the comparison among them, which provided theoretical and experimental basis for the development of HER2 therapeutic monoclonal antibody.
【學(xué)位授予單位】:吉林大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2009
【分類號(hào)】:R392.11
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