Thursday, June 6, 2013

Early Puberty May Be Caused by Gene Mutation


When a child enters puberty earlier than expected, doctors are often at a loss to explain why. But now, researchers have discovered a genetic mutation that they say causes some cases of early puberty.

In the study, the researchers in Brazil screened the genomes of 32 people with early puberty from 15 families. (Some cases of early puberty run in families.).

Mutations in a gene called MKRN3 were found in 15 people from five of the families. In all of these cases, the mutated MKRN3 gene was inherited from the father, the researchers said.

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