肌萎缩
肌动蛋白
医学
内科学
病理生理学
内分泌学
骨骼肌
作者
Daewoong Jo,Gil-Sang Yoon,Oh Yoen Kim,Juhyun Song
标识
DOI:10.1016/j.biopha.2022.112636
摘要
Sarcopenia characterized by reduced skeletal muscle mass and decreased muscle strength is increasing in prevalence globally. The pathophysiology of sarcopenia is related to various factors including hormonal imbalance, increased intracellular oxidative stress, reduction of food intake, advanced age, low body mass index, and low physical activity. Recently, sarcopenia has been reported to be associated with cognitive decline, and the common risk factors between sarcopenia and memory loss were observed in cohort studies. Many researchers suggested that the prevalence of sarcopenia is associated with vascular disorder, such as atherosclerosis and alteration of intracellular mechanisms caused by changes in myokine secretion. We herein review the emerging evidence on the strong link between cognitive impairment and sarcopenia, focusing on myokine secretion and vascular dysfunction, and provide an understanding of the relevant mechanisms and crucial determinants in cognitive decline caused by sarcopenia.
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