Tissue specific distribution of the 3243A→G mtDNA mutation

Abstract excerpt

BACKGROUND: The 3243A-->G is a common pathogenic mitochondrial DNA (mtDNA) point mutation causing a variety of different phenotypes. Segregation of this mutation to different tissues during embryonic life and postnatally is still enigmatic. OBJECTIVE: To investigate the tissue distribution of this mutation. METHODS: In 65 individuals from nine families segregating the 3243A-->G mutation, the mutation load (%...

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