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Irisin Function

Meaning

Irisin Function describes the biological activities mediated by Irisin, a myokine—a signaling protein released by muscle tissue, particularly during exercise. The primary function of Irisin is its role as an inter-organ messenger, connecting skeletal muscle activity to metabolic health, notably by promoting the “browning” of white adipose tissue. This protein is implicated in enhancing energy expenditure, improving glucose homeostasis, and exhibiting neuroprotective effects. Optimizing Irisin function is considered a pathway to improved metabolic and cognitive health.