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Human immunodeficiency virus-1 (HIV-1) and simian immunodeficiency virus (SIV) have been shown to compartmentalize within various tissues, including the brain. However, the evolution of viral quasispecies in the setting of drug abuse has not been characterized. The goal of this study was to examine viral evolution in the cerebral compartment of morphine-dependent and control macaques to determine...
Both human immunodeficiency virus (HIV) and illicit drug addiction remain major health problems not only in the United States but all over globe. The effect of drug addiction on HIV/AIDS (acquired immunodeficiency syndrome) has been somewhat underexplored. However, in United States more than one fourth of HIV-positive individuals are injection drug users. Opiates are known to negatively affect the...
We analyzed the association between the evolution of the V3–V5 regions of env and disease progression in our SIV/SHIV macaque model of morphine dependence and AIDS. Previous studies revealed two distinct disease patterns—fast progression and normal progression. To determine the effect of the two distinct patterns of disease in the evolution of SIV/17E-Fr envelope, we analyzed env sequences from three...
Morphine abuse has been associated with higher virus replication and accelerated disease progression in a non-human primate model of AIDS. In our previous report, we have shown that 50% of morphine-addicted macaques progress rapidly and that 2/3 of the rapid progressors exhibit severe neuropathogenesis. In this report, we examined the sequence evolution of the SIV Tat protein, known to participate...
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