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- W3155913697 endingPage "108877" @default.
- W3155913697 startingPage "108877" @default.
- W3155913697 abstract "The molecular mechanisms underlying the degeneration and neuronal death associated with Parkinson's disease (PD) are not clearly understood. Several pathways and models have been explored in an overwhelming number of studies. Overall, from these studies, mitochondrial dysfunction and nitroxidative stress have emerged as major contributors to degeneration of dopaminergic neurons in PD. In addition, an excessive or inappropriate production of nitric oxide (•NO) and an abnormal metabolism of dopamine have been independently implicated in both processes. However, the participation of •NO in reactions with dopamine relevant to neurotoxicity strongly suggests that dopamine or its metabolites may be potential targets for •NO, affecting the physiological chemistry of both, •NO and dopamine. In this short review, we provide a critical and integrative appraisal of the nitric oxide-dopamine pathway we have previously suggested and that might be operative in PD. This pathway emphasizes a connection between abnormal dopamine and •NO metabolism, which may potentially converge in an integrated mechanism with toxic cellular outcomes. In particular, it encompasses the synergistic interaction of •NO with 3,4-dihydroxyphenylacetic acid (DOPAC), a major dopamine metabolite, leading to dopaminergic cell death via mechanisms that involve mitochondrial dysfunction, gluthathione depletion and nitroxidative stress." @default.
- W3155913697 created "2021-04-26" @default.
- W3155913697 creator A5062991827 @default.
- W3155913697 creator A5090186962 @default.
- W3155913697 date "2021-06-01" @default.
- W3155913697 modified "2023-10-17" @default.
- W3155913697 title "Nitric oxide and dopamine metabolism converge via mitochondrial dysfunction in the mechanisms of neurodegeneration in Parkinson's disease" @default.
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- W3155913697 doi "https://doi.org/10.1016/j.abb.2021.108877" @default.
- W3155913697 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33864752" @default.