Molecular pathway enabling cells to burn off calories as heat rather than store them as fat

Investigators at Dana-Farber Cancer Institute in collaboration with scientists at the University of California, Berkeley, have identified a natural molecular pathway that enables cells to burn off calories as heat rather than store them as fat. This raises the possibility of a new approach to treating and preventing obesity, diabetes, and other obesity-linked metabolic disorders including cancer.
Researchers discovered the mechanism in energy-burning brown and beige fat cells in mice. They identified an enzyme, PM20D1, which is secreted by the cells and triggers the production of compounds called N-acyl amino acids. These N-acyl amino acids "uncouple" fat burning from other metabolic processes, allowing for weight loss. Such "uncouplers" were known as synthetic chemicals but this is the first known natural small molecule with uncoupling activity.
When they injected the N-acyl amino acids into obese mice which ate a high-fat diet, the researchers noted significant weight loss after eight days of treatment. The weight loss was entirely in fatty tissue.

http://phys.org/news/2016-06-calorie-burning-pathway-fat-cells.html

 

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