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多瘤病毒 - 抗体复合物的形成及其生物学作用。补体的关键作用。

Formation and biologic role of polyoma virus-antibody complexes. A critical role for complement.

作者信息

Oldstone M B, Cooper N R, Larson D L

出版信息

J Exp Med. 1974 Aug 1;140(2):549-65. doi: 10.1084/jem.140.2.549.

Abstract

Interaction of polyoma virus, specific antibody, and complement has been studied. Firm evidence has been gathered that C1 through C3 and not C5 through C9 enhance neutralization of virus-antiviral antibody (V-Ab) complexes. C enhancement of neutralization occurs primarily by agglutination of V-Ab complexes and not by virion lysis or attachment of large protein molecules to the V-Ab complex. In this model, binding of C1, 4, 2, 3 to the V-Ab complex may explain why some viruses concentrate in or infect certain cells bearing C3 receptors such as B lymphocytes, macrophages, and monocytes.

摘要

已对多瘤病毒、特异性抗体和补体之间的相互作用进行了研究。已收集到确凿证据表明,C1至C3而非C5至C9可增强病毒 - 抗病毒抗体(V - Ab)复合物的中和作用。补体增强中和作用主要是通过V - Ab复合物的凝集,而非病毒粒子裂解或大蛋白质分子附着于V - Ab复合物。在该模型中,C1、4、2、3与V - Ab复合物的结合可能解释了为何某些病毒会在带有C3受体的特定细胞(如B淋巴细胞、巨噬细胞和单核细胞)中聚集或感染。

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