Dietary Citrate Restores Age-Related Endothelial Cell Mitochondrial Dysfunction and Alleviates Atherosclerosis.

Ya Zhao, Jia-Yu Qiu, Fang Wu, Xue-Ting Gong, Wei-Xin Lv, Jian-Kun Liu, Jia-Yi Dong, Xue-Er Li, An-Dong Wu, Jing-Jing Duan, Yang Xiang, Xiao-Li Tian

Aging and Vascular Diseases, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Province Key Laboratory of Aging and Disease, Nanchang, Jiangxi, China.Aging and Vascular Diseases, Human Aging Research Institute (HARI) and School of Life Science, Nanchang University, and Jiangxi Province Key Laboratory of Aging and Disease, Nanchang, Jiangxi, China. · pubmed

Paper

Abstract

Vascular aging increases the susceptibility to cardio-cerebrovascular conditions, such as atherosclerotic diseases and hypertension, the leading causes of global disability and mortality. Dietary citrate extends the lifespan of Drosophila melanogaster and Caenorhabditis elegans as well as improves the memory of mice injured by a high-fat diet (HFD); whether it alleviates vascular aging and age-related vascular diseases; however, remains unknown. Here, we showed that dietary supplementation of citrate delayed vascular aging, as evidenced by maintaining the integrity of elastic fibers and decreasing the level of the aging-related marker, CDKN1A (p21). Functionally, citrate improved the sensitivity to endothelial-dependent vasodilators and lowered blood pressure, and in HFD-fed ApoE

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Research summary

Dietary citrate supplementation improves endothelial cell function and alleviates age-related vascular dysfunction. The paper addresses a potential intervention for vascular aging, which is a root cause of age-related diseases, thus contributing to longevity research.

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