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Parkinson’s disease (PD) is characterized by selective degeneration and loss of dopaminergic neurons in the substantia nigra (SN) of the ventral mid brain leading to dopamine depletion in the striatum. Oxidative stress and mitochondrial damage have been implicated in the death of SN neurons during the evolution of PD. In our previous study on human PD brains, we observed that compared to SN, striatum...
Dopaminergic neurons die in Parkinson’s disease (PD) due to oxidative stress and mitochondrial dysfunction in the substantia nigra (SN). We evaluated if oxidative stress occurs in other brain regions like the caudate nucleus (CD), putamen (Put) and frontal cortex (FC) in human postmortem PD brains (n = 6). While protein oxidation was elevated only in CD (P < 0.05), lipid peroxidation was increased...
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