Friedreich ataxia (FRDA) is an autosomal recessive disorder characterized by neurodegeneration and cardiomyopathy. The presence of a GAA trinucleotide repeat expansion in the first intron of the FXN gene results in the inhibition of gene expression and an insufficiency of the mitochondrial protein frataxin.

Read More: Rescue of the Friedreich Ataxia Knockout Mutation in Transgenic Mice Containing an FXN-EGFP Genomic Reporter