Marine Compound Exerts Antiaging Effect in Human Endothelial Progenitor Cells Increasing Sirtuin1 Expression

Overview

Journal ACS Pharmacol Transl Sci

Publisher American Chemical Society

Specialty Biochemistry

Date 2023 Nov 17

PMID 37974619

Authors

Jing Yang

Jie Li

Ting-Ting Wei

Ji-Yan Pang

Yan-Hua Du

Affiliations

Soon will be listed here.

Abstract

Aging is associated with an increased risk of cardiovascular disease. Previous studies have demonstrated that compound 3 (C3), a derivative of marine compound xyloallenoide A isolated from the mangrove fungus sp. (no. 2508), exhibited strong angiogenic activities in zebrafish. In this study, we examined the effects of C3 on the senescence of endothelial progenitor cells isolated from human peripheral blood (hEPCs). The results showed that treatment with angiotensin II (AngII) for 24 h induced hEPC senescence, as demonstrated by increased SA-β-galactosidase staining. Moreover, there is a significant decrease in telomerase activity and cellular viability in AngII-treated hEPCs. These changes in aging hEPCs were greatly recovered by C3 in a dose-dependent manner. Furthermore, C3 significantly restored the AngII-induced decrease of sirtuin type 1 (SIRT1) expression, a well-known antiaging protein. In addition, AngII increased AMP-activated protein kinase (AMPK) phosphorylation and reduced Akt phosphorylation in aging hEPCs, which were also reversed by C3. Importantly, the inhibition of C3 on hEPC senescence and AMPK/Akt dysregulation was significantly attenuated by the SIRT1-specific inhibitor nicotinoyl. These results indicated that C3 protects hEPC against AngII-induced senescence by increasing SIRT1 expression levels and balancing the AMPK/Akt signaling pathway. The inhibition of hEPCs senescence by C3 might protect EPCs against dysfunction induced by pathological factors in the elderly population. C3 may provide a novel drug candidate for the treatment of aging-related disorders.

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