Preliminary data regarding some pain manifestations in a MPTP- induced rat model of Parkinson’s disease
Journal Title: Medicamentul Veterinar / Veterinary Drug - Year 2015, Vol 9, Issue 1
Abstract
Parkinson's disease (PD) is less known as a disease causing pain syndromes, although pain is found in 40-80 % of PD patients, as described by the very few reports in this area of research. Moreover, in some PD patients, pain is so severe and intractable that it overshadows the motor symptoms of the disorder. Still, pain in PD frequently goes under acknowledged and undertreated. Also, the studies regarding pain perception in the existing animal models of PD are very few. We experimentally induced the PD model in rats by injecting subcutaneously one dose of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 20 mg/kg, while the control group received saline. The behavioral testing for pain included the hot-plate task and was performed 7 days after MPTP injection. In this way, our rat model resulted from the acute treatment with a low dose of MPTP, exhibited an increased sensitivity to pain perception, as demonstrated by the significant decrease in the values of the latency time in hot-plate for rats treated with MPTP, as compared to the controls. In this way, further studies in this area of research seem warranted.
Authors and Affiliations
Daniela Ababei, Radu Lefter, Veronica Bild, Iulia Antioch, Ioana Balmus, A. Ciobica, D. Timofte
Keywords
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