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Updated: Apr 6, 2026

High Throughput In Vitro Assessment of Latency Reversing Agents on HIV Transcription and Splicing
Published on: January 22, 2019
The Chinese herb-derived Sparstolonin B suppresses HIV-1 transcription
Xin Deng1, Yaping Zhang2, Feng Jiang3
1Department of Infectious Diseases, Ruikang Hospital Affiliated to Guangxi University of Chinese Medicine, 10 Huadong Road, 530011, Nanning, Guangxi Province, China. 260446391@qq.com.
Background:
The Chines herb derived Sparstolonin B, (SsnB), is a recently identified natural compound that selectively blocks TLR2- and TLR4-mediated inflammatory signaling. But it is unknown whether this compound has any effect on HIV infection.
Findings:
We found that SsnB treatment blocked HIV-1 transcription via a novel mechanism that requires the TAR region. Treatment of human T cell lines or peripheral blood mononuclear cells with SsnB at 1 μM significantly inhibited HIV production. Lastly, SsnB was able to inhibit HIV in synergy with AZT.
Conclusions:
These data suggest that SsnB is a novel natural compound that inhibits HIV-1 transcription and may be a new drug in the treatment of HIV infection.
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