Abstract
HIV viral protein r (Vpr) exerts a variety of cellular effects, including modulation of transcription and cytokine production, apoptosis, and cell cycle arrest. Vpr induces these affects by mechanisms that include inhibition of NFkappaB activation, inducing mitochondrial injury, and promoting proteasomal degradation of cellular factor(s) leading to cell cycle arrest. Murine models have provided invaluable contributions to our understanding of HIV pathogenesis, however many of the HIV-1 proteins, including Vpr, differ in their cellular effects depending upon cell type and speciesspecific factors. Since the majority of in vivo studies elucidating the role of Vpr in disease pathogenesis have utilized murine models, it is critical to understand the species-specific factors that may affect Vpr function. In this manuscript, we review the cellular pathways and end organ effects of Vpr that have been studied in murine cell lines and mouse models, and discuss the relevance of these studies to the role of Vpr in disease in persons living with HIV/AIDS.
Keywords: HIV-1, Vpr, immune response, HIV-associated nephropathy, apoptosis, cell cycle
Current HIV Research
Title: Murine Models of Vpr-Mediated Pathogenesis
Volume: 7 Issue: 2
Author(s): Alexandra Snyder and Michael J. Ross
Affiliation:
Keywords: HIV-1, Vpr, immune response, HIV-associated nephropathy, apoptosis, cell cycle
Abstract: HIV viral protein r (Vpr) exerts a variety of cellular effects, including modulation of transcription and cytokine production, apoptosis, and cell cycle arrest. Vpr induces these affects by mechanisms that include inhibition of NFkappaB activation, inducing mitochondrial injury, and promoting proteasomal degradation of cellular factor(s) leading to cell cycle arrest. Murine models have provided invaluable contributions to our understanding of HIV pathogenesis, however many of the HIV-1 proteins, including Vpr, differ in their cellular effects depending upon cell type and speciesspecific factors. Since the majority of in vivo studies elucidating the role of Vpr in disease pathogenesis have utilized murine models, it is critical to understand the species-specific factors that may affect Vpr function. In this manuscript, we review the cellular pathways and end organ effects of Vpr that have been studied in murine cell lines and mouse models, and discuss the relevance of these studies to the role of Vpr in disease in persons living with HIV/AIDS.
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Cite this article as:
Snyder Alexandra and Ross J. Michael, Murine Models of Vpr-Mediated Pathogenesis, Current HIV Research 2009; 7 (2) . https://dx.doi.org/10.2174/157016209787581526
DOI https://dx.doi.org/10.2174/157016209787581526 |
Print ISSN 1570-162X |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4251 |
Call for Papers in Thematic Issues
HIV vaccine development
The development of a safe and effective vaccine that impedes HIV-1 transmission and/or limits the severity of infection remains a public health priority. The HIV-1/AIDS pandemic continues to have a disproportionate impact on vulnerable and under-served communities in the USA and globally. In the USA, minority communities that have relatively ...read more
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