[Aging-related increase of sensitivity of the mitochondrial permeability transition pore to inductors in the rat heart].

Abstract

An age-related increase in the sensitivity of the mitochondrial permeability transition pore (MPTP) to inductors of it's opening, Ca2+ ions and phenylarsineoxide (PAO) was studied in experiments in vitro on isolated heart mitochondria of adult and old rats. Two indices were measured spectrophotometrically (lambda = 520 nm) by a decrease in an optical… (More)

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