Differential pattern in tissue-specific somatic mosaicism of expanded CAG trinucleotide repeats in dentatorubral-pallidoluysian atrophy, Machado-Joseph disease, and X-linked recessive spinal and bulbar muscular atrophy.

Abstract excerpt

We investigated the somatic mosaicism of trinucleotide repeat expansion in the neural and nonneural tissues of a dentatorubral-pallidoluysian atrophy (DRPLA), Machado-Joseph disease (MJD), and spinal and bulbar muscular atrophy (SBMA) patient and their correlation to the topographical distribution of the pathological involvement. The spatial pattern of tissue-specific somatic mosaicism in the CAG repeat size was...

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