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Long-term administration of levodopa for Parkinson’s disease is associated with various motor and non-motor complications. We examined the dendritic spine morphology of pyramidal tract-type neurons in the prefrontal cortex in a rat model of Parkinson’s disease chronically treated with levodopa. Dendritic spines showed decreased density and increased average volume after dopamine denervation and levodopa...
The histopathological hallmark of Parkinson’s disease (PD) is the presence of fibrillar aggregates referred to as Lewy bodies (LBs), in which α-synuclein is a major constituent. Pale bodies, the precursors of LBs, may serve the material for that LBs continue to expand. LBs consist of a heterogeneous mixture of more than 90 molecules, including PD-linked gene products (α-synuclein, DJ-1, LRRK2, parkin,...
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