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Article

Tight Interplay among SAMHD1 Protein Level, Cellular dNTP Levels, and HIV-1 Proviral DNA Synthesis Kinetics in Human Primary Monocyte-derived Macrophages

16 May 2012

Abstract excerpt

Recently, SAMHD1 has come under intense focus as a host anti-HIV factor. SAMHD1 is a dNTP triphosphohydrolase, which leads to the regulation of DNA metabolism in host cells. HIV-2/SIV (simian immunodeficiency virus) viral protein x (Vpx) has been shown to promote the degradation of SAMHD1. In this study, we examine the kinetics of SAMHD1 degradation, the increase in the dNTP pool level, and the efficiency of...

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PMID: 22589553
DOI: 10.1074/jbc.c112.374843

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