Oral cyclosporin A inhibits CD4 T cell P-glycoprotein activity in HIV-infected adults initiating treatment with nucleoside reverse transcriptase inhibitors.
Oral cyclosporin A inhibits CD4 T cell P-glycoprotein activity in HIV-infected adults initiating treatment with nucleoside reverse transcriptase inhibitors.
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DOI:
10.1007/s00228-009-0725-5
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发表时间:
2009-11
影响因子:
2.9
通讯作者:
Haas, David W.
中科院分区:
文献类型:
--
作者:
Hulgan, Todd;Donahue, John P.;Smeaton, Laura;Pu, Minya;Wang, Hongying;Lederman, Michael M.;Smith, Kimberly;Valdez, Hernan;Pilcher, Christopher;Haas, David W.
P-glycoprotein limits tissue penetration of many antiretroviral drugs. We characterized effects of the P-glycoprotein substrate cyclosporin A on T cell P-glycoprotein activity in HIV-infected AIDS Clinical Trials Group study A5138 participants. We studied P-glycoprotein activity on CD4 and CD8 T cells in 16 participants randomized to receive oral cyclosporin A (n=9) or not (n=7) during initiation antiretroviral therapy (ART) that did not include protease or non-nucleoside reverse transcriptase inhibitors. CD4 T cell P-glycoprotein activity decreased by a median of 8 percentage points with cyclosporin A/ART (difference between cyclosporin A/ART versus ART only P=0.001). Plasma trough cyclosporin A concentrations correlated with change in P-glycoprotein activity in several T cell subsets. Oral cyclosporin A can inhibit peripheral blood CD4 T cell P-glycoprotein activity. Targeted P-glycoprotein inhibition might enhance delivery of ART to T cells.
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DOI:
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