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Chemokine control of HIV-1 infection: Beyond a binding competition

Yuntao Wu

Author Affiliations

Department of Molecular and Microbiology, George Mason University, Manassas, VA 20110, USA

Retrovirology 2010, 7:86  doi:10.1186/1742-4690-7-86

Published: 13 October 2010


A recent paper by Cameron et al. demonstrated that certain chemokines such as CCL19 activate cofilin and actin dynamics, promoting HIV nuclear localization and integration into resting CD4 T cells. Apparently, these chomokines synergize with the viral envelope protein, triggering cofilin and actin dynamics necessary for the establishment of viral latency. This study opens a new avenue for understanding chemokine interaction with HIV. Traditionally, chemokine control of HIV infection focuses on competitive binding and down-modulation of the corecptors, particularly CCR5. This new study suggests that a diverse group of chemokines may also affect HIV infection through synergistic or antagonistic interaction with the viral coreceptor signaling pathways.