期刊
ANTIVIRAL RESEARCH
卷 71, 期 2-3, 页码 293-300出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.antiviral.2006.05.015
关键词
HIV-1; macrophages; CD4+lymphocytes; antiretroviral drugs
It is widely recognized that macrophages (M/M) represent a crucial target of HIV-1 in the body and play a pivotal role in the pathogenic progression of HIV-1 infection. This strongly supports the clinical relevance of therapeutic strategies able to interfere with HIV-1 replication in M/M. In vitro studies showed that nucleoside analogue inhibitors of HIV-1 reverse transcriptase have potent antiviral activity in M/M, although the limited penetration of these compounds in sequestered body compartments and low phosphorylation ability of M/M, suggest that a phosphonate group linked to NRTIs may confer greater anti-HIV-1 activity in M/M. Differently, the antiviral activity of non-nucleoside reverse transcriptase inhibitors in M/M is similar to that found in CD4+ lymphocytes. Interestingly, protease inhibitors, acting at a post-integrational stage of HIV-1 life-cycle are the only drugs active in chronically infected M/M. A careful analysis of the distribution of antiviral drugs, and the assessment of their activity in M/M, represent key factors in the development of therapeutic strategies aimed to the treatment of HIV-1-infected patients. Moreover, testing new and promising antiviral compounds in such cells may provide crucial hints about their efficacy in patients infected by HIV. (c) 2006 Elsevier B.V. All rights reserved.
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