Interruptions impact clinical features of repeat expansion diseases, but how are they gained and lost?

Abstract excerpt

Interruptions within expanded tandem repeats reduce somatic expansion and alter the severity of the resulting diseases. Consequently, much has been done to identify interruptions in the human population and assess their clinical impact. However, how interruptions are gained and lost is unknown. Here, we propose that synthesis-dependent microhomology-mediated end joining (SD-MMEJ) can account for most, if not all,...

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