Study Title: (-)-Epicatechin Is a Biased Ligand of Apelin Receptor
Citation: Portilla-Martínez et al., 2022 · International Journal of Molecular Sciences
What the Study Found: Using molecular dynamics simulations and in vitro assays, researchers showed that (−)-epicatechin acts as a biased ligand of the apelin receptor (APLN). It preferentially recruits β-arrestin in its active conformation while modulating downstream signaling pathways. This biased agonism was distinct from unbiased apelin signaling.
What this means in real life: The apelin receptor helps regulate energy metabolism, vascular tone, and mitochondrial function in heart and muscle cells. This study reveals that (−)-epicatechin can selectively activate beneficial branches of this pathway, supporting cellular energy balance without overstimulating other signals. At Mitozz we focus on mitochondrial health because compounds like (−)-epicatechin that fine-tune energy-related receptors help cells maintain efficient energy production and resilience.
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- Want to understand how mitochondrial support influences metabolic pathways? → Mitozz, (-)-Epicatechin and “Mitochondrial Support”
- Looking for practical ways to support mitochondrial function daily? → How to Repair and Maintain Mitochondrial Health Naturally