Small molecule mitochondrial uncouplers transport protons from the mitochondrial inner membrane space into the mitochondrial matrix independent of ATP synthase, uncoupling nutrient metabolism from ATP generation. The therapeutic potential of mitochondrial uncouplers has been investigated for the treatment of metabolic diseases such as obesity and type 2 diabetes (T2D), ischemia-reperfusion injury, and neurodegenerative diseases. This communication will review the small molecule mitochondrial uncouplers reported to date and explore their potential as therapeutics.
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Introduction: It has been reported that even with the same body mass index (BMI), there are subjects with metabolically healthy or unhealthy phenotype. The main determinants of the unhealthy phenotype are the type and distribution of fat, ectopic fat accumulation, genetics, and lifestyle factors. Uncoupling proteins (UCPs) disengage mitochondrial respiration from ATP synthesis and result in heat production, which in turn is related to energy expenditure and, thus, to fat mass accumulation.
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