Article
Beyond Repeats: Intragenic Variants in FMR1 and Their Contribution to Fragile X Syndrome Pathogenesis.
Nigerian journal of physiological sciences : official publication of the Physiological Society of Nigeria - 30 Jun 2026
Latunji Abayomi
Abstract excerpt
Fragile X Syndrome (FXS), the most common inherited cause of intellectual disability, is typically caused by expansion of a CGG triplet repeat in the 5' untranslated region (5'-UTR) of the FMR1 gene. Growing evidence indicates that intragenic mutations in FMR1, including single-nucleotide variants (SNVs) and structural changes, can also alter FMR1 function without the classical pathogenic expansion of CGG...
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