Study Title: Antifibrotic Effects of (-)-Epicatechin on High Glucose Stimulated Cardiac Fibroblasts
Citation: Garate-Carrillo et al., 2021 · Journal of Medicinal Food
What the Study Found: High glucose exposure dramatically increased profibrotic markers (TGF-β1, fibronectin, collagen, proline, and urea) in cardiac fibroblasts. Treatment with 1 μM (−)-epicatechin completely blocked these increases. The antifibrotic effect was linked to restoration of GPER levels, c-Src activation, and normalization of SMAD signaling.
What this means in real life: When mitochondria in heart cells face high-glucose stress, they drive excessive fibrosis that stiffens tissue and impairs function. This study shows that (−)-epicatechin directly interrupts that fibrotic cascade at the cellular level, protecting the heart’s structural integrity. Mitochondrial support helps keep cardiac cells from shifting into a stressed, fibrotic state, preserving energy production and long-term heart health.
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