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首页> 外文期刊>International Journal of Molecular Sciences >A Novel VHH Antibody Targeting the B Cell-Activating Factor for B-Cell Lymphoma
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A Novel VHH Antibody Targeting the B Cell-Activating Factor for B-Cell Lymphoma

机译:针对B细胞淋巴瘤的B细胞活化因子的新型VHH抗体

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Objective: To construct an immune alpaca phage display library, in order to obtain a single domain anti-BAFF (B cell-activating factor) antibody. Methods: Using phage display technology, we constructed an immune alpaca phage display library, selected anti-BAFF single domain antibodies (sdAbs), cloned three anti-BAFF single-domain antibody genes into expression vector pSJF2, and expressed them efficiently in Escherichia coli. The affinity of different anti-BAFF sdAbs were measured by Bio layer interferometry. The in vitro biological function of three sdAbs was investigated by cell counting kit-8 (CCK-8) assay and a competitive enzyme-linked immunosorbent assay (ELISA). Results: We obtained three anti-BAFF single domain antibodies (anti-BAFF64, anti-BAFF52 and anti-BAFFG3), which were produced in high yield in Escherichia coli and inhibited tumor cell proliferation in vitro. Conclusion: The selected anti-BAFF antibodies could be candidates for B-cell lymphoma therapies.
机译:目的:构建免疫羊驼噬菌体展示文库,以获得单结构域抗BAFF(B细胞活化因子)抗体。方法:利用噬菌体展示技术,构建免疫羊驼噬菌体展示文库,选择抗BAFF单域抗体(sdAbs),将三个抗BAFF单域抗体基因克隆到表达载体pSJF2中,并在大肠杆菌中高效表达。通过生物层干涉术测量不同抗BAFF sdAb的亲和力。通过细胞计数试剂盒8(CCK-8)测定和竞争性酶联免疫吸附测定(ELISA)研究了三种sdAb的体外生物学功能。结果:我们获得了三种抗BAFF单结构域抗体(anti-BAFF64,anti-BAFF52和anti-BAFFG3),它们在大肠杆菌中高产,并能在体外抑制肿瘤细胞的增殖。结论:选择的抗BAFF抗体可作为B细胞淋巴瘤治疗的候选药物。

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