mitochondria-targeted esculetin

Mitochondria-targeted esculetin (Mito-Esc) is a synthetic derivative of the natural coumarin compound esculetin, chemically modified by conjugation with an alkyl triphenylphosphonium (TPP+) moiety to facilitate selective accumulation within mitochondria. This targeted antioxidant is designed to counteract mitochondrial dysfunction and oxidative stress, which are implicated in age-related diseases such as atherosclerosis and diabetes-induced vascular complications. Mechanistically, Mito-Esc exerts its effects by activating the AMPK-SIRT1/SIRT6 signaling axis, enhancing mitochondrial biogenesis and function, reducing vascular inflammation and senescence, improving glucose homeostasis and insulin sensitivity, inhibiting pro-inflammatory cytokine production, and modulating microRNAs involved in endothelial cell aging. Preclinical studies demonstrate that chronic administration of Mito-Esc reduces atherosclerotic plaque formation in mouse models of aging or diabetes by delaying endothelial senescence and improving mitochondrial health[1][2][5].

Other names

Mito-Escalkyl TPP+-tagged esculetin