Double-Strand DNA Breaks Identified as Primary Cause of Neuronal Toxicity in Huntington’s Disease

A new study reveals that double-strand breaks (DSBs) in DNA are a primary cause of neuronal toxicity in Huntington’s disease (HD), according to research published in *Nature Communications*. The findings challenge previous beliefs regarding the role of somatic expansion in the advancement of the disease.

Polyzos, Cheong, Yoo, and their team conducted the study, which indicates that DSBs are a significant factor in the toxicity observed in Huntington’s disease. This discovery provides new insights into the mechanisms driving the disease and could potentially lead to the development of more effective therapeutic strategies.

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Date: May 6, 2026

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GOAI