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UPRES EA4266, SFR FED 4234, Pathogens and Inflammation Laboratory, Department of Virology, CHRU Besançon, University of Franche-Comte, F-25030 Besançon, France





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Abstract Human immunodeficiency virus type 1 HIV-1 targets CD4+ T cells and cells of the monocyte-macrophage lineage. HIV pathogenesis is characterized by the depletion of T lymphocytes and by the presence of a population of cells in which latency has been established called the HIV-1 reservoir. Highly active antiretroviral therapy HAART has significantly improved the life of HIV-1 infected patients. However, complete eradication of HIV-1 from infected individuals is not possible without targeting latent sources of infection. HIV-1 establishes latent infection in resting CD4+ T cells and findings indicate that latency can also be established in the cells of monocyte-macrophage lineage. Monocyte-macrophage lineage includes among others, monocytes, macrophages and brain resident macrophages. These cells are relatively more resistant to apoptosis induced by HIV-1, thus are important stable hideouts of the virus. Much effort has been made in the direction of eliminating HIV-1 resting CD4+ T-cell reservoirs. However, it is impossible to achieve a cure for HIV-1 without considering these neglected latent reservoirs, the cells of monocyte-macrophage lineage. In this review we will describe our current understanding of the mechanism of latency in monocyte-macrophage lineage and how such cells can be specifically eliminated from the infected host. View Full-Text

Keywords: HIV-1; latency; monocytes; macrophages; microglial cells HIV-1; latency; monocytes; macrophages; microglial cells





Autor: Amit Kumar, Wasim Abbas and Georges Herbein *

Fuente: http://mdpi.com/



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