HIV Tat/P-TEFb Interaction: A Potential Target for Novel Anti-HIV Therapies.
HIV Tat/P-TEFb Interaction: A Potential Target for Novel Anti-HIV Therapies.
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DOI:
10.3390/molecules23040933
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发表时间:
2018-04-17
期刊:
影响因子:
--
通讯作者:
Okamoto T
中科院分区:
文献类型:
--
作者:
Asamitsu K;Fujinaga K;Okamoto T
Transcription is a crucial step in the life cycle of the human immunodeficiency virus type 1 (HIV 1) and is primarily involved in the maintenance of viral latency. Both viral and cellular transcription factors, including transcriptional activators, suppressor proteins and epigenetic factors, are involved in HIV transcription from the proviral DNA integrated within the host cell genome. Among them, the virus-encoded transcriptional activator Tat is the master regulator of HIV transcription. Interestingly, unlike other known transcriptional activators, Tat primarily activates transcriptional elongation and initiation by interacting with the cellular positive transcriptional elongation factor b (P-TEFb). In this review, we describe the molecular mechanism underlying how Tat activates viral transcription through interaction with P-TEFb. We propose a novel therapeutic strategy against HIV replication through blocking Tat action.
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作者:
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DOI:
10.4161/cc.9.9.11346
发表时间:
2010-05
期刊:
Cell cycle (Georgetown, Tex.)
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