D-Pinitolün C57BL/6J Farelerde MPTP-İndüklenmiş Parkinsonizme Karşı Nöroprotektif Etkisi.

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Parkinson's disease is the second most common neurodegenerative disease in the world. Natural products can offer a possible option of neuroprotective agents for preventing neurodegenerative diseases. D-Pinitol is a cyclic polyol with anxiolytic and antidepressant effects in acute assays. This work aimed to evaluate the effects of D-Pinitol (10, 50, and 100 mg/kg p.o.) in a chronic reserpine-induced depression model (19 days), using the forced swimming and tail suspension tests in female Balb/c mice, and the neuroprotective effects in an MPTP-induced Parkinsonism model (30 days) in male C57bL/6 mice, using behavioral tests such as wire grip, rotarod, catalepsy, and others. D-Pinitol showed low antidepressant-like effects in the reserpine-induced chronic depression model, compared to amitriptyline (25 mg/kg p.o.). D-Pinitol protected MPTP-treated mice from motor impairment with similar effects to those shown by L-Dopa (25 mg/kg p.o.) as evaluated in different behavioral tests. The inhibition of oxidative stress markers, increase in dopamine levels, and avoidance of apoptosis in neuronal cells were the mechanisms by which D-Pinitol protects MPTP-treated mice from motor impairment.

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