Mice genetically engineered to lack the ability to make the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in just one week, a new study shows.
Published online May 21 in Nature, the work found that cysteine depletion disrupts the normal metabolic pathways used by mammalian cells to convert food into energy, forcing the animals to rapidly burn fat stores in a futile attempt to meet energy demands.
Led by researchers at NYU Grossman School of Medicine,…
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News Source: www.sciencedaily.com
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