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
Virologyjournal_title
Virologyauthors
Sliepen K,Medina-Ramírez M,Yasmeen A,Moore JP,Klasse PJ,Sanders RWdoi
10.1016/j.virol.2015.08.002subject
Has Abstractpub_date
2015-12-01 00:00:00pages
116-20eissn
0042-6822issn
1096-0341pii
S0042-6822(15)00342-6journal_volume
486pub_type
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