Dan Zhong , Benjamin Fernández-García , Priyanka Gokulnath , Kexin Lin , Guoping Li , Guido Kroemer , Carlos López-Otín , Junjie Xiao
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引用次数: 0
Abstract
Cardiovascular diseases (CVDs), including hypertension, heart failure, atherosclerosis and myocardial infarction, remain the leading cause of morbidity and mortality worldwide. Aging is a predominant risk factor for CVD. Cardiovascular aging is characterized by progressive structural changes at the cellular level and functional decline within the cardiovascular system, ultimately contributing to the onset and progression of CVD. These changes include alterations in left ventricular (LV) systolic and diastolic function, an increased incidence of sinus node dysfunction, myocardial hypertrophy, arterial stiffness, and fibrosis. Therefore, understanding the molecular mechanisms underlying cardiovascular aging and identifying interventions that can slow or mitigate its progression holds significant promise for CVD prevention and treatment. Numerous epidemiological and experimental studies have consistently demonstrated that physical activity or exercise training exerts protective effects against cardiovascular aging. However, the molecular mediators and underlying mechanisms of these benefits are not completely understood. Therefore, further investigation is warranted to elucidate these mechanisms, given their potential as novel therapeutic targets. In this review, we comprehensively synthesize molecular, preclinical, clinical, and epidemiological evidence to underscore the positive effects of exercise on cardiovascular aging. This review systematically investigates how exercise modulates the key biological hallmarks of cardiovascular aging, including deterioration of protein homeostasis (proteostasis), genomic instability, epigenetic disturbances, mitochondrial dysfunction, cellular senescence, chronic inflammation, and dysregulated neurohormonal signaling. The mechanistic insights of exercise-induced adaptations presented in this review may provide a valuable foundation for future investigations, paving the design of tailored exercise regimens aimed at mitigating the progression of cardiovascular aging.
期刊介绍:
With the rise in average human life expectancy, the impact of ageing and age-related diseases on our society has become increasingly significant. Ageing research is now a focal point for numerous laboratories, encompassing leaders in genetics, molecular and cellular biology, biochemistry, and behavior. Ageing Research Reviews (ARR) serves as a cornerstone in this field, addressing emerging trends.
ARR aims to fill a substantial gap by providing critical reviews and viewpoints on evolving discoveries concerning the mechanisms of ageing and age-related diseases. The rapid progress in understanding the mechanisms controlling cellular proliferation, differentiation, and survival is unveiling new insights into the regulation of ageing. From telomerase to stem cells, and from energy to oxyradical metabolism, we are witnessing an exciting era in the multidisciplinary field of ageing research.
The journal explores the cellular and molecular foundations of interventions that extend lifespan, such as caloric restriction. It identifies the underpinnings of manipulations that extend lifespan, shedding light on novel approaches for preventing age-related diseases. ARR publishes articles on focused topics selected from the expansive field of ageing research, with a particular emphasis on the cellular and molecular mechanisms of the aging process. This includes age-related diseases like cancer, cardiovascular disease, diabetes, and neurodegenerative disorders. The journal also covers applications of basic ageing research to lifespan extension and disease prevention, offering a comprehensive platform for advancing our understanding of this critical field.