期刊
HEMATOLOGY
卷 12, 期 3, 页码 263-266出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10245330701255130
关键词
ATRA; reverse transcriptase; HIV; viral replication
类别
We previously reported that all-trans retinoic acid (ATRA) inhibited growth in HTLV-1-positive T-cell lines and fresh cells from patients with adult T-cell leukemia. Interestingly, ATRA significantly inhibited reverse transcriptase (RT) activity similar to azidothimidine (AZT) in HTLV-1-positive T-cell lines. To clarify whether ATRA has an inhibitory effect on the replication of HIV, we examined HIV proviral DNA in a HIV-1-positive cell line (8E5) using real time PCR. ATRA as well as AZT reduced the proviral DNA load of 8E5 in a dose- dependent manner. These results suggest that there is a common element of ATRA signaling in both HTLV-1 and HIV. Furthermore, we examined the effects of ATRA on viral replication in primary lymphocytes of three individuals infected with HIV. ATRA reduced viral replication significantly similar to AZT. These findings suggested that ATRA acts as a RT inhibitor, reducing the HIV-1 proviral DNA load. Finally, we conclude that ATRA may be a potential therapeutic agent for HIV infection.
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