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This narrative review synthesizes and critically evaluates the current literature to elucidate the interplay between MF and autophagy. The focus lies on systematically examining the molecular mechanisms and key signaling pathways involved in autophagy-mediated regulation of MF. We systematically examine key molecular pathways and components through which autophagy regulates MF, including mitophagy, the NLRP3 inflammasome, FOXO signaling, the ULK1 complex, the mTOR pathway, and TGF-\u03b2 signaling. These pathways collectively influence fibroblast activation, collagen metabolism, and overall cardiac ECM remodeling. Autophagy serves as a crucial modulator of MF through multiple interconnected molecular pathways. Targeting specific nodes within the autophagic process holds significant therapeutic promise for mitigating MF and slowing CVD progression. 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