Citri Reticulatae Pericarpium (Chenpi) Protects against Endothelial Dysfunction and Vascular Inflammation in Diabetic Rats
文献类型： 外文期刊
作者： Wang, Yuehan 1 ; Zhang, Xutao 1 ; Zhou, Chunxiu 1 ; Khan, Haroon 2 ; Fu, Manqin 3 ; Cheang, Wai San 1 ;
作者机构： 1.Univ Macau, Inst Chinese Med Sci, State Key Lab Qual Res Chinese Med, Macau 999078, Peoples R China
2.Abdul Wali Khan Univ Mardan, Dept Pharm, Mardan 23200, Pakistan
3.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangdong Key Lab Agr Prod Proc, Key Lab Funct Foods,Minist Agr & Rural Affairs, Guangzhou 510610, Peoples R China
关键词： tangerine peel; diabetes mellitus; endothelial dysfunction; inflammation; AMPK
期刊名称：NUTRIENTS （ 影响因子：6.706； 五年影响因子：7.185 ）
ISSN：
年卷期： 2022 年 14 卷 24 期
页码：
收录情况： SCI
摘要： Dried tangerine peel (Citri reticulatae Pericarpium, CRP; Chenpi in Chinese) possesses medicine and food homology with hypolipidemic, anti-inflammatory and antioxidant activities. This study aimed to explore the protective effect of CRP extract on endothelial function and inflammation in type 2 diabetic rats and the related mechanisms. Type 2 diabetes mellitus was induced by high-fat diet (HFD)/streptozotocin (STZ) in male Sprague Dawley rats, and CRP extract was orally administered at 400 mg/kg/day for 4 weeks. Rat and mouse aortas were treated with high glucose and CRP extract ex vivo. The data showed that the ethanolic extract of CRP normalized blood pressure and the plasma lipid profile as well as the plasma levels of liver enzymes in diabetic rats. Impaired endothelium-dependent relaxations in aortas, carotid arteries and renal arteries were improved. CRP extract suppressed vascular inflammatory markers and induced AMPK activation in aortas of diabetic rats. Exposure to high glucose impaired vasodilation in aortas of rats and mice, and this impairment was prevented by co-incubation with CRP extract. In conclusion, our findings suggest that CRP extract protects endothelial function by inhibiting the vascular inflammatory state on activation of AMPK in diabetic rats.
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