SRY调解了男性特异性对急性肝损伤的敏感性
Meng-Yun Ke1,2, Yi Fang2, Sha-Sha Wei2
1Center for Pharmacogenetics and Department of Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, PA, 15261, USA.
Cell communication and signaling : CCS
|December 2, 2025
概括
Y染色体 (SRY) 上的性别决定区域通过增加氧化应激和亡来加剧急性肝损伤 (ALI). 杜塔胺抑制SRY,为男性ALI易感性提供了潜在的治疗策略.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- Y染色体 (SRY) 上的性别决定区域与肝纤维化和肝细胞癌有关.
- 在急性肝损伤 (ALI) 中SRY的作用仍然在很大程度上未被探索.
研究的目的:
- 调查SRY对急性肝损伤发展和进展的特定影响.
- 阐明 SRY 影响 ALI 的潜在分子机制.
主要方法:
- 肝细胞特异性Sry-overexpressing转基因 (Sry-TG) 和淘汰 (SryΔHC) 鼠标的构建.
- 乙氨基 (APAP) 诱导的小鼠急性肝损伤模型.
- 多组学分析包括RNA-seq和液体染色学-并联质谱学.
主要成果:
- 在男性患者和患有ALI的小鼠中,SRY的表达上调.
- 过度表达SRY会加剧肝损伤,亡和氧化应激,而SRY淘汰会显示出保护作用.
- SRY与PARP-1相互作用,增强其核积累,从而通过C/EBPβ抑制Gstm2/3的表达.
- 杜塔胺与SRY结合,抑制其表达并减弱ALI.
结论:
- 在男性中,SRY表达的升高有助于ALI易感性.
- 杜塔斯特通过抑制SRY.证明了其作为ALI治疗剂的潜力.
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