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GFP-Vpr labeled HIV-1 virions have provided a method to visually examine the interactions between the virus and target cell during infection. However, existing methods to discriminate between virions that have been non-specifically endocytosed from those that have productively entered the host cell cytoplasm have remained problematic. Therefore, we examined(More)
Human immunodeficiency virus (HIV) entry into target cells requires the engagement of receptor and coreceptor by envelope glycoprotein (Env). Coreceptors CCR5 and CXCR4 are chemokine receptors that generate signals manifested as calcium fluxes in response to binding of the appropriate ligand. It has previously been shown that engagement of the coreceptors(More)
Every year the Cancer Research Institute from University of California at Irvine organizes the West Coast Retrovirus Meeting where participants have a chance to discuss the latest progress in understanding the pathology of retroviruses. The 12th meeting was held at the Hyatt Regency Suites in Palm Springs, California from October 6th to October 9th 2005,(More)
In order to enter into the target cell, HIV requires functional contact with CD4 and CCR5 or CXCR4. The last two are G-protein coupled receptors that when activated with chemokines, or HIV envelope can initiate a wide range of biological responses, including Ca2+ mobilization, cytoskeletal rearrangements and cell migration. To determine the specificity of(More)
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