Women With Fragile X Premutations at Risk for Autistic Traits, Anxiety

Women With Fragile X Premutations at Risk for Autistic Traits, Anxiety

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Women With Fragile X Premutations at Risk for Autistic Traits, Anxiety

Women carrying so-called premutations in FMR1, the gene associated with fragile X syndrome, are at risk of developing autistic traits and anxiety, according to a new study in the U.K. Premutation carriers have an expansion of three nucleotides — the building blocks of DNA — in the FMR1 gene. This expansion lies somewhere between the normal number of repeats, up to about 40, and the excessive number that irreversibly disrupts the gene’s activity and leads to…

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