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通过WNT抑制剂SP5-介导的SERPING1,通过TSC2/mTOR途径抑制肺腺癌的进展
Yefeng Shen1,2, Xiaofeng Dong3, Xujia Li4
1Institute of Cardiovascular Sciences, Guangxi Academy of Medical Sciences, Nanning, China.
较高水平的蛋白质SERPING1显著降低了肺癌的风险. 通过通过TSC2/mTOR途径抑制瘤生长,SERPING1还可以改善肺腺癌的预后和免疫疗法的有效性.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 肺癌 (LC),特别是肺腺癌 (LUAD),长期预后不佳.
- 确定LUAD的新生物标志物和治疗点至关重要.
研究的目的:
- 研究循环蛋白SERPING1在LUAD风险和进展中的作用.
- 阐明SERPING1在LUAD中的功能背后的分子机制.
主要方法:
- 门德尔随机化 (MR) 分析,以评估SERPING1对LC风险的因果关系.
- 多omics策略 (组织和血清分析) 来评估SERPING1在LUAD中的表达.
- 在体内和体外实验以确定SERPING1对LUAD细胞的功能影响.
- 分析SERPING1与免疫疗法疗效和心脏代谢因子的相关性.
主要成果:
- 循环中SERPING1水平升高与明显降低的LC风险有关.
- 在LUAD组织和血清中,SERPING1的表达减少,表达更高与患者预后改善有关.
- 通过TSC2/mTOR通路,SERPING1抑制了LUAD细胞的增殖,迁移,入侵和伤口愈合.
- SP5被确定为SERPING1.1的转录激活剂.
- 在SERPING1过度表达与其他心脏代谢疾病之间没有发现显著的联系,除了与缩血压,HbA1c和I型糖尿病的关联.
结论:
- 在LUAD中,SERPING1作为一种新的瘤抑制基因.
- SP5/SERPING1/TSC2通路代表了LUAD治疗的一个有前途的治疗标.
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