Study summary · research use only
BAM15-mediated mitochondrial uncoupling protects against obesity and improves glycemic control
Plain-language summary
Paraphrased from the published abstract below — not a verdict on whether anything works.
In this study using C57BL/6J mice, researchers tested BAM15, a mitochondrially targeted small-molecule protonophore, for its effects on diet-induced obesity. In vitro, BAM15 exposure was associated with enhanced mitochondrial respiratory kinetics, altered insulin action, and increased nutrient uptake linked to AMPK activation. Mice treated with BAM15 were reported to resist weight gain and showed changes in body composition and glycemic control described as independent of weight loss, which the authors attributed to drug targeting of lipid-rich tissues. The study describes this as the first phenotypic characterization of BAM15 in this context, with the authors framing it as a potential pharmacological approach related to obesity and related conditions.
Abstract
Obesity is a leading cause of preventable death worldwide. Despite this, current strategies for the treatment of obesity remain ineffective at achieving long-term weight control. This is due, in part, to difficulties in identifying tolerable and efficacious small molecules or biologics capable of regulating systemic nutrient homeostasis. Here, we demonstrate that BAM15, a mitochondrially targeted small molecule protonophore, stimulates energy expenditure and glucose and lipid metabolism to protect against diet-induced obesity. Exposure to BAM15 in vitro enhanced mitochondrial respiratory kinetics, improved insulin action, and stimulated nutrient uptake by sustained activation of AMPK. C57BL/6J mice treated with BAM15 were resistant to weight gain. Furthermore, BAM15-treated mice exhibited improved body composition and glycemic control independent of weight loss, effects attributable to drug targeting of lipid-rich tissues. We provide the first phenotypic characterization and demonstration of pre-clinical efficacy for BAM15 as a pharmacological approach for the treatment of obesity and related diseases.
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