Researchers may have found a new way to treat obesity and related disorders by targeting the cells’ powerhouses, the mitochondria. A study published in Nature Metabolism shows that a specific class of drugs that block mitochondrial function can reverse diet-induced obesity, fatty liver and diabetes in mice.
Mitochondria are essential for human health, as they process the nutrients in the food we eat and harvest the energy needed for various processes in the cell. They are central regulators of metabolism, which is very dynamic and can be rerouted and reprogrammed according to different needs or in response to disease.
Researchers recently developed highly specific drug candidates that block mitochondrial function, and thus cellular energy production, to treat cancer. Now the researchers have shown that these drugs also have a beneficial effect on metabolism in mice.
“Four weeks of treatment led to an unexpected increase in fat metabolism, resulting in a drastic weight loss, a reduction in fat accumulation in the liver and restored glucose tolerance,” says the lead author.
The treatment was given orally to male obese mice who had been fed a high-fat diet. The surprising effect suggests that blocking the cells’ energy production can reverse obesity and diabetes.
“It’s exciting that we have identified a new potential strategy for treating common diseases like obesity and type 2 diabetes,” says the senior author. “We now aim to further investigate the mechanisms that can explain the drugs’ effect. We have also initiated a collaboration with a biotech company to see if this can be further developed into a treatment for humans. Still, it will be many years before we know if it works,” the author concludes.
https://www.nature.com/articles/s42255-024-01038-3
http://sciencemission.com/site/index.php?page=news&type=view&id=publications%2Finhibition-of-mammalian&filter=22
mtDNA transcription Inhibition to reverse diet-induced obesity
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