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Current HIV Research


ISSN (Print): 1570-162X
ISSN (Online): 1873-4251

HIV-1 Vpr: Regulator of Viral Survival

Author(s): Khanh P. Thieu, Matthew P. Morrow, Devon J. Shedlock, Kimberly A. Schoenly, Karthikbabu Mallilankaraman, Andrew Y. Choo, Paolo Fagone, David B. Weiner and Karuppiah Muthumani

Volume 7, Issue 2, 2009

Page: [153 - 162] Pages: 10

DOI: 10.2174/157016209787581454

Price: $65


The HIV-1 Vpr protein is a viral accessory protein that plays a number of important roles during HIV infection. The activities of Vpr are numerous and include the induction of apoptosis, the modulation of cell cycle arrest, as well as control of viral transcription. Study of HIV clones lacking Vpr in vitro and analysis of HIV variants isolated from longterm nonprogressors in vivo highlight the importance of Vpr for viral replication as well as immune suppression and cell death. Vpr may therefore be considered among the most important accessory proteins encoded by HIV.

Keywords: HIV-1, viral protein R (Vpr), viral transcription, apoptosis, cell cycle arrest, mitochondrial membrane potential and immune suppression

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