A protein found in the characteristic Lewy bodies that form in the brains of patients with Parkinson’s disease (PD), may help to repair double-stranded breaks (DSB) in DNA. Researchers show that the formation of Lewy bodies effectively pulls alpha-synuclein out from the nerve cell nucleus into the cytoplasm. The protein is then prevented from carrying out its normal nuclear role of DNA repair, which leads to increased DSBs, and ultimately the death of brain cells.
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