Journal
INFLAMMOPHARMACOLOGY
Volume 26, Issue 5, Pages 1305-1316Publisher
SPRINGER BASEL AG
DOI: 10.1007/s10787-018-0470-4
Keywords
Gastrodin; Catalepsy; Rotarod; Myeloperoxidase; MDA; Parkinson disease; Rat
Categories
Funding
- Research and Technology Vice-Chancellor of Hamadan University of Medical Sciences, Hamadan, Iran [9407284058] Funding Source: Medline
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Purpose of the researchIn this study, we appraised the effect of pre-treatment with intra-cerebro ventricular (i.c.v) microinjection of gastrodin (Gst) on catalepsy, motor imbalance, substantia nigra pars compacta (SNc) myeloperoxidase (MPO) activity, lipid peroxidation levels, nitric oxide (NO) production and total antioxidant capacity (TAC) in 6-hydroxydopamine (6-OHDA) rats model of PD.Materials and methodsMale Wistar rats were pre-treated with i.c.v microinjections of Gst (20, 40 and 80g/3l/rat) for five consecutive days. Then, catalepsy and motor balance were induced by unilateral infusion of 6-OHDA (8g/2l/rat) into the SNc. The anti-cataleptic and motor balance improving effect of Gst was assessed by the Bar test and Rotarod 3 weeks after neurotoxin injection, respectively. SNc MPO activity and lipid peroxidation levels, NO production and TAC were assessed at the end of behavioral experiments.ResultsOur data demonstrated that Gst pre-treatment significantly (p<0.001) was prevented motor in-coordination and catalepsy in neurotoxin lesioned rats. The most motor improving effect was seen at 80g Gst (p<0.001). Pre-treatment of parkinsonian rats with Gst meaningfully (p<0.001) was suppressed MPO activity, lipid peroxidation and NO production. Furthermore, the TAC level in the SNc was increased (p<0.001) in Gst-microinjected rats about to the normal non-parkinsonian animals.Major conclusionsIn summary, pre-treatment with Gst abolished 6-OHDA-induced catalepsy and improved motor incoordination by decreasing: SNc MPO activity, lipid peroxidation levels and NO production, and restoring SNc levels of TAC to the levels of healthy rats. [GRAPHICS] .
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