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A growing body of evidence indicates that impairment of the ubiquitin–proteasome (UPS) system in the substantia nigra (SN) plays an important role in the pathogenesis of Parkinson’s disease (PD). The aim of our study was to compare two unilateral rat models, one produced by intranigral administration of the UPS inhibitor lactacystin or the other induced by 6-OHDA, in terms of their effect on the amphetamine-...
Some biochemical and histological studies of Parkinson’s disease patients’ brains and 6-OHDA-lesioned rats suggest that dopaminergic dennervation of the striatum leads to the nitrergic system hypofunction in this structure. Hence, recently the modulation of nitric oxide (NO)– soluble guanylyl cyclase–cyclic GMP signaling is considered to be a new target for the treatment of Parkinson’s disease. The...
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