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Muscle-Organ Crosstalk

Meaning

Muscle-Organ Crosstalk describes the complex, bidirectional communication network mediated by secreted signaling molecules between skeletal muscle and distant organ systems, including adipose tissue, liver, bone, and the brain. This communication establishes muscle not merely as a locomotive structure but as a highly active endocrine organ that profoundly influences systemic metabolic and hormonal homeostasis. The integrity of this crosstalk is essential for metabolic health, as disruptions are implicated in the pathogenesis of insulin resistance, chronic inflammation, and age-related cognitive decline. Understanding these signals is key to therapeutic strategies that leverage exercise for systemic wellness.