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Riluzole ameliorates learning and memory deficits in Ab25-35- induced rat model of Alzheimer’s disease and is independent of cholinoceptor activation
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Pharmaceutical Regulatory Affairs: Open Access

ISSN: 2167-7689

Open Access

Riluzole ameliorates learning and memory deficits in Ab25-35- induced rat model of Alzheimer’s disease and is independent of cholinoceptor activation


9th Annual European Pharma Congress

June 26-28, 2017 Madrid, Spain

Zahra Mokhtari and Tourandokht Baluchnejadmojarad

Tehran University of Medical Sciences, Tehran, Iran
Iran University of Medical Sciences, Tehran, Iran

Posters & Accepted Abstracts: Pharmaceut Reg Affairs

Abstract :

Statement of the Problem: Alzheimerâ??s disease (AD) is a major global public health concern and social care problem that is associated with learning, memory, and cognitive deficits. Riluzole is a glutamate modulator which has shown to improve memory performance in aged rats and may be of benefit in Alzheimer's disease. Methodology & Theoretical Orientation: In the present study, its beneficial effect on attenuation of learning and memory deficits in Ab25-35-induced rat model of AD was assessed. . Finding: Riluzole administration at a dose of 10 mg/kg/day p.o. improved spatial memory in Morris water maze and retention and recall in passive avoidance task and its protective effect was not neutralized following intracerebroventricular microinjection of muscarinic or nicotinic receptor antagonists. Further biochemical analysis showed that riluzole pretreatment of intrahippocampal microinjected rats is able to attenuate hippocampal AChE activity and lower some oxidative stress markers, i.e. MDA and nitrite, with no significant change of the defensive enzyme catalase. Furthermore, riluzole prevented hippocampal CA1 neuronal loss and reduced 3-nitrotyrosine immunoreactivity. Conclusion & Significance: It is concluded that riluzole could exert a protective effect against memory decline induced by intrahippocampal Ab25-35 through anti-oxidative, anti-cholinesterase, and neuroprotective potential and its beneficial effect is possibly independent of cholinoceptor activation.

Biography :

Email: [email protected]

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