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Myriad announces discovery of a gene linked to obesity

Salt Lake-based Myriad Genetics Inc. said Thursday it has discovered a gene linked to childhood obesity.

Myriad said researchers made the discovery after investigating the genetic differences between DNA samples from about 200 people with early-onset obesity and a similar number of normal-weight people.

The company said the gene was previously known to be involved in the regulation of insulin signaling but was not known to be associated with hyperphagia.