期刊
JOURNAL OF MEDICAL PRIMATOLOGY
卷 38, 期 -, 页码 39-46出版社
WILEY
DOI: 10.1111/j.1600-0684.2009.00374.x
关键词
HIV-1 reverse transcriptase; Macaca fascicularis; macaque model; RT-SHIV
Background Human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) is a major target for antiretroviral strategy to block or curtail HIV infection. A suitable RT-SHIV/macaque model is urgently needed for the evaluation of HIV/AIDS therapies and microbicides specifically targeting HIV-1 RT. Methods Fifteen cynomolgus macaques (Macaca fascicularis) were divided into three groups (n = 5) and intravaginally inoculated with 4800, 1200, or 300 TCID50 of RT-SHIVtc. Systemic infections of RT-SHIVtc exposed macaques were determined by both virological and immunologic parameters during 24 weeks post-challenge. Results Within 2 weeks post-inoculation, 13 of 15 macaques became infected as confirmed by virus isolation, plasma viral RNA, proviral DNA, declined CD4+T cell counts in peripheral blood and seroconversion. Conclusions Results serve to validate the infectivity and pathogenicity of RT-SHIVtc following vaginal exposure in M. fascicularis. This RT-SHIVtc/macaque model could be suitable for the pre-clinical evaluation of non-nucleoside RT inhibitor-based anti-HIV microbicides.
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