Binding of inferred germline precursors of broadly neutralizing HIV-1 antibodies to native-like envelope trimers.

Abstract:

:HIV-1 envelope glycoproteins (Env) and Env-based immunogens usually do not interact efficiently with the inferred germline precursors of known broadly neutralizing antibodies (bNAbs). This deficiency may be one reason why Env and Env-based immunogens are not efficient at inducing bNAbs. We evaluated the binding of 15 inferred germline precursors of bNAbs directed to different epitope clusters to three soluble native-like SOSIP.664 Env trimers. We found that native-like SOSIP.664 trimers bind to some inferred germline precursors of bNAbs, particularly ones involving the V1/V2 loops at the apex of the trimer. The data imply that native-like SOSIP.664 trimers will be an appropriate platform for structure-guided design improvements intended to create immunogens able to target the germline precursors of bNAbs.

journal_name

Virology

journal_title

Virology

authors

Sliepen K,Medina-Ramírez M,Yasmeen A,Moore JP,Klasse PJ,Sanders RW

doi

10.1016/j.virol.2015.08.002

subject

Has Abstract

pub_date

2015-12-01 00:00:00

pages

116-20

eissn

0042-6822

issn

1096-0341

pii

S0042-6822(15)00342-6

journal_volume

486

pub_type

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