GPER1/ACACB是潜在的基因,与内动脉瘤和血管内皮细胞衰老有关
Lang Zeng1,2, Xuanzhen Lu3, Yuzhen Huang1,4
1Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Avenue, Wuhan, 430030, China.
这项研究揭示了G蛋白结合雌激素受体1 (GPER1) 和ACACB是血管衰老的关键,独立于雌激素. 针对这些,为内动脉瘤 (IA) 和血管疾病提供了新的治疗方法.
科学领域:
- 血管生物学 血管生物学
- 生物信息学是一种生物信息学.
- 基因组学就是基因组学.
背景情况:
- 内动脉瘤 (IAs) 不成比例地影响绝经后妇女,历史上归因于雌激素的下降.
- 包括GPER1在内的雌激素受体 (ER) 可能通过雌激素独立途径影响血管衰老.
研究的目的:
- 研究内动脉瘤 (IA) 和血管内皮细胞衰老 (VECS) 中的共享分子机制.
- 识别潜在的治疗点,独立于荷尔蒙的影响.
主要方法:
- 综合生物信息学分析IA和VECS数据集从基因表达总量 (GEO).
- 跨疾病差异性基因表达分析和加权基因共同表达网络分析 (WGCNA).
- 在体外验证G蛋白结合雌激素受体1 (GPER1) 和ACACB在内皮衰老中的作用.
主要成果:
- 确定了IA和VECS共同的452个下调基因,表明共享的致病途径.
- 在这两种条件下,G蛋白结合雌激素受体1 (GPER1) 具有独特的下调.
- ACACB作为与GPER1共同表达的枢纽基因出现,与疾病进展相反相关;GPER1沉默加速衰老并减少了ACACB.
结论:
- 与G蛋白结合的雌激素受体1 (GPER1) 在维持血管平衡中扮演雌激素独立的角色.
- GPER1和ACACB是内动脉瘤和血管衰老的潜在治疗点.
- 计算查确定了针对GPER1和ACACB双通道治疗的药物.
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