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What causes Rett syndrome?

April 26, 2017causes rett SYNDROME

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What causes Rett syndrome?

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Rett syndrome is caused by a mutation in the MECP2 gene on the X chromosome. The MECP2 gene is responsible for turning other genes off and on (some genes are active for only a specific period in development and then shut off forever.) MECP2 mutations (change in the gene) cause the turn-on-off mechanism to fail, allowing other genes to stay active when they are no longer needed, or not come on when they are needed.