Abstract
The limitations of current anti-retroviral therapies (ART) and the lack of a valid anti-HIV-1 vaccine candidate underscore the need for new therapeutic concepts aiming at the eradication of HIV-1, which represents at the same time an ideal goal and a major challenge for AIDS research. At present, this aim is unattainable due to the existence of cellular and anatomical reservoirs of persistent infection. Memory CD4+ T cells comprise the largest pool of cells harboring silent, stably integrated HIV-1, which remains undetected by the immune system and refractory to conventional anti-retroviral drugs. The eradication of latent HIV-1 reservoirs will require new, potent and specific therapeutic strategies, which in turn must rely upon a deeper understanding of HIV-1 latency. To facilitate the advancement of our knowledge in this new area of research, several in vitro models of HIV-1 latency in CD4+ T cells have been established. Here, we dissect and critically compare the rationale behind each experimental approach. Furthermore, we outline new avenues of research that will benefit from these models, including the push toward the development of new classes of viral eradication drugs.
Keywords: HIV-1, latency, in vitro models, HAART, CD4+ T CELLS, Cell line-based models, RNA, proviruses, ANALYSIS, co-stimuli, infection
Current HIV Research
Title: Models of HIV-1 Persistence in the CD4+ T Cell Compartment: Past, Present and Future
Volume: 9 Issue: 8
Author(s): Mudit Tyagi and Fabio Romerio
Affiliation:
Keywords: HIV-1, latency, in vitro models, HAART, CD4+ T CELLS, Cell line-based models, RNA, proviruses, ANALYSIS, co-stimuli, infection
Abstract: The limitations of current anti-retroviral therapies (ART) and the lack of a valid anti-HIV-1 vaccine candidate underscore the need for new therapeutic concepts aiming at the eradication of HIV-1, which represents at the same time an ideal goal and a major challenge for AIDS research. At present, this aim is unattainable due to the existence of cellular and anatomical reservoirs of persistent infection. Memory CD4+ T cells comprise the largest pool of cells harboring silent, stably integrated HIV-1, which remains undetected by the immune system and refractory to conventional anti-retroviral drugs. The eradication of latent HIV-1 reservoirs will require new, potent and specific therapeutic strategies, which in turn must rely upon a deeper understanding of HIV-1 latency. To facilitate the advancement of our knowledge in this new area of research, several in vitro models of HIV-1 latency in CD4+ T cells have been established. Here, we dissect and critically compare the rationale behind each experimental approach. Furthermore, we outline new avenues of research that will benefit from these models, including the push toward the development of new classes of viral eradication drugs.
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Cite this article as:
Tyagi Mudit and Romerio Fabio, Models of HIV-1 Persistence in the CD4+ T Cell Compartment: Past, Present and Future, Current HIV Research 2011; 9 (8) . https://dx.doi.org/10.2174/157016211798998754
DOI https://dx.doi.org/10.2174/157016211798998754 |
Print ISSN 1570-162X |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4251 |
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