埃拉贝拉/APJ轴通过调节AMPK/NLRP3通路来预防糖尿病淋巴细胞内皮损伤
Zhida Chen1, Zhe Wang2, Yepeng Hu2
1Department of Nephrology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
Inflammation
|August 4, 2023
概括
埃拉贝拉 (ELA) 通过调节质内皮细胞中的AMPK/NLRP3通路来保护糖尿病损伤. 准ELA为糖尿病病提供了一种新的治疗方法.
科学领域:
- 内分泌学和新陈代谢学
- 腎臟病學 (nephrology) 是一種醫學專業.
- 分子生物学分子生物学
背景情况:
- 埃拉贝拉 (ELA) 是成人脏和内皮中高度表达的,作为阿佩林受体 (APJ) 的内源性联体.
- 糖尿病病的特征是质内皮细胞损伤和热,这是一种涉及炎症酶激活的过程.
- 在糖尿病患者中观察到较低的ELA水平,这表明它可能在疾病发病过程中起作用.
研究的目的:
- 为了研究ELABELA (ELA) 在糖尿病膜内皮质灭症中的作用.
- 阐明ELA影响糖尿病损伤的潜在分子机制.
主要方法:
- 在db/db小鼠和高葡萄糖处理的质内皮细胞 (GECs) 中评估了ELA mRNA水平.
- 利用ELA缺乏 (ELA+/-) 和ELA过度表达的小鼠模型来评估球损伤.
- 使用GEC进行了体外研究,以检查ELA对热致死,NLRP3炎酶激活和AMPK/APJ信号通路的影响.
主要成果:
- 缺乏ELA会加剧糖尿病球损伤,而过度表达ELA会减轻这种损伤.
- 通过抑制NLRP3炎症酶激活 (降低分离的Caspase-1,IL-1β,IL-18) 来抑制ELA治疗抑制了GEC热.
- ELA的保护作用通过AMPK/APJ信号通路进行介导.
结论:
- 埃拉贝拉 (ELA) 对糖尿病质内皮损伤起着保护作用.
- 通过调节AMPK/NLRP3信号通路,ELA可以发挥其保护作用.
- 对ELA的药理向是糖尿病病的有希望的治疗策略.
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