在T2DM糖尿病脑病变中神经活性类固醇-肠道微生物群相互作用
Silvia Diviccaro1, Lucia Cioffi1, Rocco Piazza2
1Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, 20133 Milan, Italy.
Biomolecules
|September 28, 2023
概括
2型糖尿病 (T2DM) 损害记忆力和大脑功能. 这项研究将T2DM相关的老鼠记忆缺陷与改变的神经活性类固醇 (如阿洛普雷格纳诺) 以及肠道微生物组的变化联系起来,这表明了新的治疗点.
科学领域:
- 神经科学是一个神经科学.
- 内分泌学 在内分泌学.
- 微生物学 微生物学
背景情况:
- 2型糖尿病 (T2DM) 与认知能力下降和痴呆症有关.
- 在脑病理生理学中T2DM对神经活性类固醇和肠道微生物群的影响尚不清楚.
研究的目的:
- 为了研究T2DM对记忆,神经活性类固醇,海马功能和男性Zucker糖尿病脂肪 (ZDF) 鼠的肠道微生物组合的影响.
主要方法:
- 用了新的对象识别测试来评估记忆.
- 测量神经活性类固醇水平使用液体染色学-并联质谱法.
- 通过分子评估和使用16S下一代测序的肠道微生物组合分析海马参数.
主要成果:
- T2DM加剧了记忆障碍,与血皮质类固醇增加和海马内全原降低相关.
- 在海马体中观察到神经炎症,氧化应激和线粒体功能障碍.
- 确定了与记忆缺陷和改变神经活性类固醇水平相关的特定肠道微生物种群.
结论:
- 通过对神经活性类固醇和肠道微生物组的改变,T2DM显著影响认知功能.
- 孕和特定的肠道微生物群可以作为T2DM相关的神经并发症的潜在治疗点.
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