Identification of a β3-peptide HIV fusion inhibitor with improved potency in live cells

被引:30
|
作者
Bautista, Arjel D. [1 ]
Stephens, Olen M. [1 ]
Wang, Ligong [3 ]
Domaoal, Robert A. [3 ]
Anderson, Karen S. [3 ]
Schepartz, Alanna [1 ,2 ]
机构
[1] Yale Univ, Dept Chem, New Haven, CT 06520 USA
[2] Yale Univ, Dept Mol Cellular & Dev Biol, New Haven, CT 06520 USA
[3] Yale Univ, Sch Med, Dept Pharmacol, New Haven, CT 06510 USA
关键词
Foldamer; Peptidomimetic; Anti-viral; Drug design; IMMUNODEFICIENCY-VIRUS TYPE-1; D-PEPTIDE INHIBITORS; BETA-PEPTIDES; IN-VITRO; HTLV-III; ELECTROSTATIC INTERACTIONS; ATOMIC-STRUCTURE; CORE STRUCTURE; COILED-COIL; GP41;
D O I
10.1016/j.bmcl.2009.05.032
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
We recently reported a beta(3)-decapeptide, beta WWI-1, that binds a validated gp41 model in vitro and inhibits gp41-mediated fusion in cell culture. Here we report six analogs of beta WWI-1 containing a variety of non-natural side chains in place of the central tryptophan of the WWI-epitope. These analogs were compared on the basis of both gp41 affinity in vitro and fusion inibition in live, HIV-infected cells. One new beta(3)-peptide, beta WXI-a, offers a significantly improved CC50/EC50 ratio in the live cell assay. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3736 / 3738
页数:3
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