HIV-1 entry, inhibitors, and resistance

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Entry inhibitors represent a new class of antiretroviral agents for the treatment of infection with HIV-1. While resistance to other HIV drug classes has been well described, resistance to this new class is still ill defined despite considerable clinical use. Several potential mechanisms have been proposed: tropism switching (utilization of CXCR4 instead of CCR5 for entry), increased affinity for the coreceptor, increased rate of virus entry into host cells, and utilization of inhibitor-bound receptor for entry. In this review we will address the development of attachment, fusion, and coreceptor entry inhibitors and explore recent studies describing potential mechanisms of resistance. © 2010 by the authors.




Lobritz, M. A., Ratcliff, A. N., & Arts, E. J. (2010, May). HIV-1 entry, inhibitors, and resistance. Viruses.

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