Article
Ethnic effect on FMR1 carrier rate and AGG repeat interruptions among Ashkenazi women.
Genetics in medicine : official journal of the American College of Medical Genetics - 1 Dec 2014
Weiss Karin, Orr-Urtreger Avi, Kaplan Ber Idit, Naiman Tova, Shomrat Ruth, Bardugu Eyal, Yaron Yuval, Ben-Shachar Shay
Abstract excerpt
PURPOSE: Fragile X syndrome, a common cause of intellectual disability, is usually caused by CGG trinucleotide expansion in the FMR1 gene. CGG repeat size correlates with expansion risk. Premutation alleles (55-200 repeats) may expand to full mutations in female meiosis. Interspersed AGG repeats decrease allele instability and expansion risk. The carrier rate and stability of FMR1 alleles were evaluated in large...
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