YAP-TEAD和PPAR之间的交叉方式抑制了HIV-1 LTR转录在体外
Chenliang Zhou1, Xiaolian Liu2, Hong He3
1Key Laboratory of Infectious Diseases Research in South China, Ministry of Education, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, PR China; College of Pharmacy, Nanchang Medical College, Nanchang 330052, PR China.
Biochemical pharmacology
|July 6, 2025
概括
是的相关蛋白 (YAP) 通过与NF-κB基因相互作用来负面调节HIV-1转录,这种基因由TEAD蛋白和过氧酶增殖器激活受体 (PPAR) 调节. 这一途径为HIV-1提供了新的治疗点.
科学领域:
- 分子生物学分子生物学
- 病毒学 病毒学
- 细胞信号传输 细胞信号传输
背景情况:
- 艾滋病毒-1转录受到宿主因素的严格调节.
- 了解这些监管机制对于开发抗病毒策略至关重要.
研究的目的:
- 确定调节HIV-1转录的新型宿主因素.
- 阐明YES相关蛋白 (YAP) 在HIV-1 LTR活性中的作用.
- 为了研究YAP,TEAD蛋白和过氧体增殖器激活受体 (PPAR) 在HIV-1调控中的相互作用.
主要方法:
- 通过分子测试确定YAP作为HIV-1调节剂.
- 对YAP的TEAD结合域 (TBD) 功能在HIV-1LTR抑制中的分析.
- 通过生物化学和细胞测定来研究YAP-TEAD和PPAR交叉声.
- 评估PPARγ抑制剂在调节YAP介导的HIV-1抑制中的作用.
主要成果:
- 是的相关蛋白 (YAP) 作为HIV-1长终端重复 (LTR) 活动的新型负调节剂.
- YAP的TBD对于通过TEAD蛋白与NF-κB动机相互作用来抑制HIV-1LTR驱动的转录至关重要.
- YAP-TEAD和PPAR信号通路之间的交叉声调节HIV-1 LTR转录.
- PPARγ 抑制剂逆转了YAP介导的HIV-1转录的抑制.
结论:
- YAP和PPAR信号通路代表了以前未知的抑制HIV-1转录的机制.
- 确定了YAP和PPAR在HIV-1抑制中的不同但互补的作用.
- YAP-TEAD-PPAR信号轴为HIV-1干预提供了潜在的治疗点.
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