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- W284207072 abstract "Marijuana and other drugs have been suggested to act as cofactors for HIV infection. Interestingly, Δ9-THC has been shown to upregulate NFKB, a transcription factor utilized by HIV. Therefore, it was of interest to investigate whether cannabinoids can modulate HIV infection and replication. Initially, we tested for evidence of receptor expression by examining for receptor mRNA in various cell lines used to study HIV infection and replication. Cellular RNA was isolated from SupT, and H9, H9MN, and MT-2 cells and RT-PCR was performed. Results showed that, although all of the cell lines tested were positive for CB2 mRNA, only the MT-2 cells also expressed CB1 mRNA. Since the MT-2 cells expressed both CB1 and CB2 receptor mRNA, we next wanted to determine whether different cannabinoid receptor agonists such as CP-55,940, Δ9-THC, WIN-55,212-2, and WIN-55,212-3 influenced infection of these cells by cell free HIV-1MN. Infectivity assays were performed where MT-2 cells were incubated with drug and cell free virus for 90 min., the free virus washed off, and the cells incubated further, and checked for virus growth by syncytia formation. It was found that the drugs significantly increased syncytia formation when MT-2 cells were cultured in the presence of both drug and cell free HIV-1MN. In conclusion, of the cell lines tested, only the MT-2 cells were positive for both CB1 and CB2 mRNA. In addition, since syncytia formation is an indication of virus infection and cytopathicity it was concluded that cannabi- mimetic drugs may enhance HIV-1 infection of susceptible cells." @default.
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- W284207072 date "1998-01-01" @default.
- W284207072 modified "2023-10-05" @default.
- W284207072 title "Cannabinoid Receptor Agonists Enhance Syncytia Formation in MT-2 Cells Infected with Cell Free HIV-1MN" @default.
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- W284207072 doi "https://doi.org/10.1007/978-1-4615-5347-2_25" @default.
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