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再循环抗体的研究进展
Authors
温灿
罗文新
陈远志
Publication date
25 February 2019
Publisher
Doi
Cite
Abstract
单克隆抗体因其与抗原结合具有高度特异性与强亲和力,已成为抗体药物研发的主要类型。但随着天然单克隆抗体的深入研究,它的诸多缺陷也浮出水面,如与抗原结合次数有限、带来非预期的抗体清除效应和抗原累积效应。人们不再局限于天然抗体的筛选,而是想通过改造提升抗体药物的药效。近年来,一类新型再循环抗体的问世,很好地解决了天然单克隆抗体发展的瓶颈。再循环抗体可以在胞外结合抗原,在细胞内与抗原解离,使抗体结合抗原次数最大化,减少抗原介导的抗体清除效应和抗体介导的抗原累积效应,并且再循环抗体可以通过进一步的Fc改造来加强与Fc受体的亲和力。文中综述了再循环抗体的研究进展,包括其特点、改造方法及展望。国家自然科学基金(No.31600748);;福建省自然科学基金(No.2017J01066);;传染病重大专项(No.2017ZX10202203-001-001)资助~
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Last time updated on 20/11/2020