期刊
JOURNAL OF GENERAL VIROLOGY
卷 86, 期 -, 页码 751-755出版社
MICROBIOLOGY SOC
DOI: 10.1099/vir.0.80449-0
关键词
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MicroRNAs (miRNAs) are similar to 21-25 nt long and interact with mRNAs to lead to either translational repression or RNA cleavage through RNA interference. A previous study showed that human immunodeficiency virus 1 (HIV-1) nef dsRNA from AIDS patients who are long-term non-progressors inhibited HIV-1 transcription. In the study reported here, nef-derived miRNAs in HIV-1-infected and nef transduced cells were identified, and showed that HIV-1 transcription was suppressed by nef-expressing miRNA, miR-N367, in human T cells. The miR-N367 could reduce HIV-1 LTR promoter activity through the negative responsive element of the U3 region in the 5'-LTR. Therefore, nef miRNA produced in HIV-1-infected cells may downregulate HIV-1 transcription through both a post-transcriptional pathway and a transcriptional neo-pathway.
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