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RESEARCH PAPER / 2025-01-13

The role of chronic low-grade inflammation in the development of sarcopenia: Advances in molecular mechanisms.

Ying Cheng, Shangjin Lin, Ziyi Cao, Runzhi Yu, Yongqian Fan, Jie Chen

Department of Gastroenterology, Huadong Hospital Affiliated to Fudan University, Shanghai 200040 China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040 China. · pubmed

Abstract

With the exacerbation of global population aging, sarcopenia has become an increasingly recognized public health issue. Sarcopenia, characterized by a progressive decline in skeletal muscle mass, strength, and function, significantly impacts the quality of life in the elderly. Herein, we explore the role of chroniclow-gradeinflammation in the development of sarcopenia and its underlying molecular mechanisms, including chronic inflammation-associated signaling pathways, immunosenescence, obesity and lipid infiltration, gut microbiota dysbiosis and intestinal barrier disruption, and the decline of satellite cells. The interplay and interaction of these molecular mechanisms provide new perspectives on the complexity of the pathogenesis of sarcopenia and offer a theoretical foundation for the development of future therapeutic strategies.

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Research summary

Chronic low-grade inflammation contributes to the development of sarcopenia through various molecular mechanisms. The paper addresses a significant age-related condition and explores underlying mechanisms that could inform future therapeutic strategies, thus linking it to longevity research.

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