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. 2018 Aug 24:682:100-105.
doi: 10.1016/j.neulet.2018.05.052. Epub 2018 Jun 6.

Effect of montelukast in experimental model of Parkinson's disease

Vetrivel Babu Nagarajan  1 , Padmaja Anil Marathe  2
Affiliations

Effect of montelukast in experimental model of Parkinson's disease

Vetrivel Babu Nagarajan et al. Neurosci Lett. .

Abstract

Despite the availability of many drugs offering symptomatic relief in Parkinson's disease, there are no drugs available offering neuroprotective effect. Hence, it was decided to evaluate the neuroprotective effect of montelukast, an anti-inflammatory drug, in rotenone induced model of Parkinson's disease in rats. Forty eight male wistar rats were randomly divided into three groups. Group 1: Vehicle control, Group 2: Montelukast 5 mg/kg, Group 3: Montelukast 10 mg/kg. All the groups received rotenone 2.5 mg/kg intraperitoneally for 10 days as a disease inducing agent. The study drug montelukast was administered to respective groups orally from day 11 to day 24. On day 25, 24 h after 14 days of study drug administration, the rats were subjected to open field test, rota rod test and catalepsy test. Brain samples of rats from each group were collected for Malondialdehyde(MDA), Glutathione(GSH) and TNFα analysis. In the open field test both the doses of montelukast showed significant increase in the locomotor activity and also decreased the immobility time compared to vehicle (p < 0.05). In rotarod test, montelukast 5 mg/kg and 10 mg/kg showed significant increase in the time to fall, compared to vehicle (p < 0.05). In catalepsy test, both doses of montelukast significantly decreased the retraction time compared to vehicle(p < 0.05). The brain MDA levels were decreased and GSH levels were found to be higher in the two montelukast groups compared to vehicle (p < 0.05). TNFα levels too were decreased significantly on montelukast administration. Montelukast showed potential neuroprotective effect by virtue of its anti-oxidant and anti-inflammatory actions.

Keywords: Leukotrienes; Montelukast; Neuroprotection; TNFα.

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