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Host Factors and HIV-1 Replication: Clinical Evidence and Potential Therapeutic Approaches.


ABSTRACT: HIV and human defense mechanisms have co-evolved to counteract each other. In the process of infection, HIV takes advantage of cellular machinery and blocks the action of the host restriction factors (RF). A small subset of HIV+ individuals control HIV infection and progression to AIDS in the absence of treatment. These individuals known as long-term non-progressors (LNTPs) exhibit genetic and immunological characteristics that confer upon them an efficient resistance to infection and/or disease progression. The identification of some of these host factors led to the development of therapeutic approaches that attempted to mimic the natural control of HIV infection. Some of these approaches are currently being tested in clinical trials. While there are many genes which carry mutations and polymorphisms associated with non-progression, this review will be specifically focused on HIV host RF including both the main chemokine receptors and chemokines as well as intracellular RF including, APOBEC, TRIM, tetherin, and SAMHD1. The understanding of molecular profiles and mechanisms present in LTNPs should provide new insights to control HIV infection and contribute to the development of novel therapies against AIDS.

SUBMITTER: Santa-Marta M 

PROVIDER: S-EPMC3807056 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Host Factors and HIV-1 Replication: Clinical Evidence and Potential Therapeutic Approaches.

Santa-Marta Mariana M   de Brito Paula Matos PM   Godinho-Santos Ana A   Goncalves Joao J  

Frontiers in immunology 20131024


HIV and human defense mechanisms have co-evolved to counteract each other. In the process of infection, HIV takes advantage of cellular machinery and blocks the action of the host restriction factors (RF). A small subset of HIV+ individuals control HIV infection and progression to AIDS in the absence of treatment. These individuals known as long-term non-progressors (LNTPs) exhibit genetic and immunological characteristics that confer upon them an efficient resistance to infection and/or disease  ...[more]

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