Abstract Title:

Tannin inhibits HIV-1 entry by targeting gp41.

Abstract Source:

Acta Pharmacol Sin. 2004 Feb;25(2):213-8. PMID: 14769212

Abstract Author(s):

Lin Lü, Shu-wen Liu, Shi-bo Jiang, Shu-guang Wu

Article Affiliation:

Institute of Pharmaceutical Sciences of the First Medical University of PLA, Key Lab of GD for Screening of New Drug, Guangzhou, Guangdong 510515, China.


AIM: To investigate the mechanism by which tannin inhibits HIV-1 entry into target cells. METHODS: The inhibitory activity of tannin on HIV-1 replication and entry was detected by p24 production and HIV-1-mediated cell fusion, respectively. The inhibitory activity on the gp41 six-helix bundle formation was determined by an improved sandwich ELISA. RESULTS: Tannins from different sources showed potent inhibitory activity on HIV-1 replication, HIV-1-mediated cell fusion, and the gp41 six-helix bundle formation. CONCLUSION: Tannin inhibits HIV-1 entry into target cells by interfering with the gp41 six-helix bundle formation, thus blocking HIV-1 fusion with the target cell.

Study Type : In Vitro Study

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Sayer Ji
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