Antibody class-switching as a strategy to improve HIV-1 neutralization.

Antibody class-switching as a strategy to improve HIV-1 neutralization.
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DOI:
10.1016/j.molmed.2022.08.010
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发表时间:
2022-11
影响因子:
13.6
通讯作者:
Moore, Penny L.
Moore, Penny L.
中科院分区:
医学1区
文献类型:
--
作者:
Scheepers, Cathrine;Richardson, Simone I.;Moyo-Gwete, Thandeka;Moore, Penny L.

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广泛中和抗体(bNAb),当通过被动免疫接种时,对HIV-1感染具有保护作用。目前的HIV-1疫苗策略旨在引导免疫系统通过模仿它们在感染期间的发育来制造bNAb。已知bNAb可变区的体细胞超突变对于bNAb的发育至关重要。然而,最近的研究表明,导致产生不同抗体同种型的类别转换重组如何可以作为抗体可以获得中和宽度和效力的额外机制。在这篇综述中,我们讨论了不同抗体同种型对HIV-1中和宽度和效力的重要性,以及如何利用这些信息来改善针对HIV-1的被动和主动免疫。
Broadly neutralizing antibodies (bNAbs), when administered through passive immunization, are protective against HIV-1 infection. Current HIV-1 vaccine strategies are aimed at guiding the immune system to make bNAbs by mimicking their development during infection. Somatic hypermutation of the variable region of bNAbs is known to be crucial for the development of bNAbs. More recently, however, studies have shown how class-switch recombination resulting in the generation of different antibody isotypes may serve as an additional mechanism through which antibodies can gain neutralization breadth and potency. In this review, we discuss the importance of different antibody isotypes for HIV-1 neutralization breadth and potency and how this information can be leveraged to improve passive and active immunization against HIV-1.
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