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Mutated gene causes intellectual disability

A newly discovered genetic mutation leads to a reduction in certain proteins in the brain which causes intellectual disabilities.

The ARX (Aristaless related homeobox) mutagen is one of the four most common types of intellectual disability linked to the X-chromosome in males, and has been found in 115 Australian families.

The ARX mutagen was first discovered in 2002 and to date, researchers have detected 52 different ARX mutations with ten distinct clinical syndromes.

Read more at University of Adelaide

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