Abstract Title:

Low-dose phloretin alleviates diabetic atherosclerosis through endothelial KLF2 restoration.

Abstract Source:

Biosci Biotechnol Biochem. 2019 Dec 3:1-9. Epub 2019 Dec 3. PMID: 31791197

Abstract Author(s):

Yong Xia, Hua Feng, Zhen-Wei Li, Kuan-Xiao Tang, Hai-Qing Gao, Wei-Ling Wang, Xiao-Pei Cui, Xiao-Li Li

Article Affiliation:

Yong Xia


We investigated whether low-dose phloretin served as daily dietary supplements could ameliorate diabetic atherosclerosis and the role of kruppel-like factor 2 (KLF2). HUVECs cultured in high glucose medium were treated with different concentrations of phloretin and KLF2 mRNA, and protein level was detected. Diabetes was induced using streptozotocin inmice after which they were fed a high-cholesterol diet for 8 weeks. Diabetic mice injected with KLF2 shRNA-lentivirus or control virus were treated with 20 mg/kg phloretin. Glucose, lipid profile, aortic atheroma, and endothelial nitric oxide synthase (eNOS) expression were detected. Phloretin retained endothelial function by KLF2-eNOS activation under hyperglycemia. Low-dose phloretin helped with lipid metabolism, and blocked the acceleration of atherosclerosis in STZ-induced diabetic mice since the early stage, which was diminished by KLF2 knockdown. Low-dose phloretin exhibited athero-protective effect in diabeticmice dependent on KLF2 activation. This finding makes phloretin for diabetic atherosclerosis.

Study Type : Animal Study

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