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The activity of antiparkinsonian drug hemantane in models of peripheral inflammation and lipopolysaccharide-induced neuroinflammation

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DOI: 10.4236/apd.2013.21003    3,036 Downloads   5,864 Views Citations

ABSTRACT

A large body of literature supports the idea that inflammation exacerbates neurodegenerative pathology. This idea is also supported by the fact that intracerebral or intraperitoneal injection of lipopolysaccharide (LPS) induces symptoms of Parkinson’s disease in rats. The aim of this study is to evaluate the anti-inflammatory effects of the novel antiparkinsonian drug hemantane (N-2(adamantyl)hexamethylenimine hydrochloride), which is currently undergoing clinical trials, in models of peripheral inflammation and neuroinflammation and to investigate its ulcerogenic action, which is a common side effect of nonselective nonsteroidal anti-inflammatory drugs. Acetic acid-induced peritonitis in mice was used as a model of peripheral inflammation. Effect on the stomach was investigated in rats were deprived of food for 16 hours and then were treated with 0.2 LD50 of hemantane or the comparator drug diclofenac sodium per os. Injection of LPS in the left substantia nigra pars compacta in rats was chosen as a model of neuroinflammation. LPS-induced body weight loss, forelimb akinesia and behavioral changes caused by irritating odor were registered in rats. Hemantane in the dosage range of 10 - 40 mg/kg demonstrates anti-inflammatory activity and significantly decreases the intensity of exudative reaction in a model of acetic acid-induced peritonitis in mice. Additionally, at the dose of 0.2 LD50 orally it did not damage the gastric mucosa of rats. In a model of neuroinflammation induced by a unilateral injection of LPS, hemantane (10 mg/kg) prevents weight loss, development of forepaw akinesia contralateral to the operation, and smell disturbance in rats. Effectiveness of hemantane in the animal models of peripheral inflammation and neuroinflammation make it possible to suggest a new application of hemantane as a safe anti-inflammatory drug.

 

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Ivanova, E., Kapitsa, I., Valdman, E. and Voronina, T. (2013) The activity of antiparkinsonian drug hemantane in models of peripheral inflammation and lipopolysaccharide-induced neuroinflammation. Advances in Parkinson's Disease, 2, 11-17. doi: 10.4236/apd.2013.21003.

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