内源性雌激醇有助于患有1型糖尿病的绝经前妇女的血管内皮功能障碍
Abigayle B Simon1, Cassandra C Derella1, Marsha Blackburn1
1Georgia Prevention Institute, Medical College of Georgia, Augusta University, 1120 15th Street, HS-1707, Augusta, GA, 30912, Georgia.
Cardiovascular diabetology
|September 7, 2023
概括
在患有1型糖尿病的女性中,内源性雌激醇会恶化内皮功能,增加氧化应激. 然而,使用荷尔蒙避孕药 (HBC) 似乎可以改善这种人群中的内皮功能.
科学领域:
- 心血管内分泌学心血管内分泌学
- 生殖内分泌学 生殖内分泌学
- 糖尿病研究研究 糖尿病研究
背景情况:
- 内源性雌激素在健康的绝经前妇女中具有心脏保护作用.
- 动物模型表明雌醇对糖尿病患者的血管功能有不利影响.
- 内源性雌激醇在1型糖尿病女性内皮功能中的作用需要阐明.
研究的目的:
- 确定内源性雌激醇在1型糖尿病女性内皮功能上的作用.
- 研究月经周期期间雌激素波动对内皮功能的影响.
- 评估激素避孕药对1型糖尿病女性内皮功能的影响.
主要方法:
- 流媒扩张 (FMD) 在月经期间 (低雌激素) 和晚期卵泡期 (高雌激素) 在1型糖尿病妇女和健康对照群中测量.
- 作为氧化应激和氧化的生物标志物,测量了循环中的雌激醇,铁酸反应物质 (TBARS) 和酸盐/酸盐 (NOx).
- 此外,还从使用 (HBC) 的1型糖尿病妇女和不使用HBC的子组收集了数据.
主要成果:
- 雌激素在两个组的晚期卵泡阶段增加,但TBARS (氧化应激) 仅在1型糖尿病女性中增加.
- 在对照组中,口病从月经期增加到卵泡晚期,但在1型糖尿病患者中减少.
- 在使用HBC的1型糖尿病女性中,口和口腔疾病显著增加,与不使用HBC的女性相比.
结论:
- 内源性雌激醇会加剧氧化应激,并导致1型糖尿病女性内皮功能障碍.
- 荷尔蒙避孕药的使用表明,在1型糖尿病女性中,对内皮功能有潜在的益处.
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