Study Title: The effects of (−)-epicatechin on endothelial cells involve the G protein-coupled estrogen receptor (GPER)
Citation: Moreno-Ulloa et al., 2015 · Pharmacol Res
What the Study Found: (−)-Epicatechin binds to the G protein-coupled estrogen receptor (GPER) on endothelial cells and activates downstream signaling (ERK 1/2 and CaMKII) via the GPER/c-SRC/EGFR axis. This pathway stimulates nitric oxide production and causes vasodilation in aortic rings. The effects mimic those of a known GPER agonist.
What this means in real life: Endothelial mitochondria need fast, accurate signals to produce nitric oxide and keep blood vessels relaxed. This study reveals that (−)-epicatechin works through a specific surface receptor (GPER) to trigger those signals, boosting nitric oxide without entering the cell. Mitochondrial support helps keep this energy-dependent vascular communication running smoothly for better circulation and heart health.
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