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Published on: May 3, 2017
Pharmacological investigation of memory restorative effect of riluzole in mice
Puneet Rinwa1, Amteshwar Singh Jaggi, Nirmal Singh
1Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India.
Objective:
Streptozotocin (STZ) and sodium nitrite (NaNO(2)) treatment have been positively correlated with higher incidence of memory loss and experimental dementia. The present study was designed to investigate the potential of the Riluzole, an inhibitor of glutamatergic neurotransmission and activator of TWIK-Related K(+) channels with incidences of memory deficits associated with dementia in mice.
Materials And Methods:
Dementia was induced in Swiss albino mice by intracerebroventricular STZ (ICV) and by subcutaneous NaNO(2) in separate groups of animals. Morris water maze was employed to assess learning and memory of the animals. Biochemical analysis of brain homogenate was performed so as to assess brain acetyl cholinesterase (AChE) activity. Brain thiobarbituric acid reactive species (TBARS) levels and reduced glutathione (GSH) levels were measured to assess total oxidative stress.
Results:
Treatment of ICV STZ and NaNO(2) produced a significant decrease in water maze performance of mice hence reflecting loss of learning and memory. Furthermore, higher levels of brain AChE activity and oxidative stress were observed in these animals. Administration of riluzole (5 and 10 mg/kg intraperitoneally) successfully attenuated memory deficits as well as ICV STZ- and NaNO(2) -induced changes in the levels of brain AChE, TBARS, and GSH.
Conclusion:
The memory restorative effects of riluzole in dementia may involve its multiple functions including anti-oxidative and anticholinesterase properties.
