Xi bao yu fen zi mian yi xue za zhi = Chinese journal of cellular and molecular immunology · 2009
[Generation of human Fab antibody against platelet membrane glycoprotein IIb/IIIa and its effect on platelet aggregation].
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Dong Ning-Zheng, Cui Yu-Jie, Ruan Chang-Geng
Аннотация
AIM: To generation of human Fab fragment against GP GPIIb/IIIa from phage display library and to study its effect on platelet aggregation.
METHODS: An antibody phage display library was constructed from spleen cells from a donor with idiopathic thrombocytopenic purpura(ITP) whose anti-GPIIb/IIIa antibody was positive. High-affinity human mAbs was selected by panning against GPIIb/IIIa expressed on CHO123 cells. The binding specificity of phage antibody to GPIIb/IIIa was detected by ELISA and Western blot. And the effect of antibody on platelet aggregation was analyzed.
RESULTS: After three rounds of panning with CHO123, phage antibodies against GPIIb/IIIa were enriched specifically. 2 positive phage antibodies with high specific for GP IIb/IIIa were verified, and the purified antibody can inhibited ADP induced platelet aggregation.
CONCLUSION: Human antibodies against GPIIb/IIIa are obtained from phage display library.
METHODS: An antibody phage display library was constructed from spleen cells from a donor with idiopathic thrombocytopenic purpura(ITP) whose anti-GPIIb/IIIa antibody was positive. High-affinity human mAbs was selected by panning against GPIIb/IIIa expressed on CHO123 cells. The binding specificity of phage antibody to GPIIb/IIIa was detected by ELISA and Western blot. And the effect of antibody on platelet aggregation was analyzed.
RESULTS: After three rounds of panning with CHO123, phage antibodies against GPIIb/IIIa were enriched specifically. 2 positive phage antibodies with high specific for GP IIb/IIIa were verified, and the purified antibody can inhibited ADP induced platelet aggregation.
CONCLUSION: Human antibodies against GPIIb/IIIa are obtained from phage display library.