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氧化应激在糖尿病中所扮演的角色 糖尿病诱导的血管内皮功能障碍
Ying An1,2,3, Bu-Tuo Xu1,2,3, Sheng-Rong Wan2,3
1Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China.
糖尿病通过增加氧化应激导致内皮功能障碍,从而减少氧化 (NO) 的可用性. 本综述探讨了氧化应激来源和治疗糖尿病相关血管并发症的干预措施.
科学领域:
- 心血管研究研究心血管研究
- 代谢疾病 代谢疾病
- 内皮细胞生物学 内皮细胞生物学
背景情况:
- 糖尿病是一种以高血糖症为标志的代谢障碍,导致微/宏血管病变和死亡率增加.
- 内皮功能障碍是糖尿病血管并发症的关键因素,涉及氧化 (NO) 的生物可用性降低.
- 氧化应激是糖尿病的主要致病因子,也是通过NO减少引起内皮功能障碍的主要触发因素.
研究的目的:
- 审查糖尿病血管系统中活性氧物种 (ROS) 的来源.
- 阐明在糖尿病内皮细胞中将高血糖,高脂血症,阿迪波金和胰岛素抵抗氧化应激的分子机制.
- 讨论针对糖尿病引起的内皮功能障碍的氧化压力向干预措施.
主要方法:
- 文献综述总结了目前关于糖尿病中氧化应激的研究.
- 在内皮细胞中参与ROS生成的分子通路的分析.
- 对针对氧化应激的干预措施的评估.
主要成果:
- 在糖尿病人血管系统中确定了四种ROS的主要来源.
- 详细的分子机制,通过这些机制,高血糖症,高脂血症,脂素和胰岛素耐药性诱导氧化应激.
- 总结了低血糖药物,抗氧化剂和生活方式干预措施对糖尿病引起的内皮功能障碍的影响.
结论:
- 氧化压力在糖尿病引起的内皮功能障碍中起着关键作用.
- 了解ROS的来源和机制对于开发有效的治疗策略至关重要.
- 针对氧化应激对糖尿病血管并发症的管理具有前景.
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