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Long-term treatment of levodopa for Parkinson's disease (PD) patients is known to elevate homocysteine level in their plasma. The present study was designed to examine the possible neurotoxic effects of the increased homocysteine level on the dopaminergic system. Homocysteine was administered into Sprague–Dawley male rats intracerebroventricularly or C57BL/6 mice intraperitoneally. Following homocysteine...
Neurological injury and Parkinson disease (PD) are often associated with the increase of nitric oxide (NO) and free radicals from resident glial cells in the brain. In vitro, exposure to L-3-4-dihydroxyphenylalanine (L-DOPA), one of the main therapeutic agents for the treatment of PD, can lead to neurotoxicity. In this study, lipopolysaccharide (LPS) and interferon-gamma (IFN-g) were used to stimulate...
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