Title

Telmisartan Protects Against Aluminum-Induced Alzheimer-like Pathological Changes in Rats

Document Type

Article

Publication Date

2-1-2020

Abstract

© 2019, Springer Science+Business Media, LLC, part of Springer Nature. Currently, there is no effective mean for treatment or prevention of Alzheimer’s disease (AD). Commonly used AD drugs have a moderate effect and treat only the associated symptoms, therefore there is a strong need to search for more effective agents. Our goal is to examine telmisartan neuroprotective effect in aluminum-induced cognitive impairment in rats. Aluminum chloride (10 mg/kg, i.p) was administered for 2 months then behavioral tests (Y-maze and Morris water maze) were done. Hippocampal biochemical and histological analysis were then carried out. AD-like histological, biochemical, and behavioral alterations appeared in aluminum-treated rats. Telmisartan improved rats’ condition on behavioral and histological levels. It reversed the increase in hippocampal amyloid beta protein, phosphorylated tau protein contents together with augmentation of neprilysin level, it also diminished levels of nuclear factor kappa-B, FAS ligand, tumor necrosis factor-alpha, malondialdehyde, and acetylcholinesterase content. These findings show the protective action of telmisartan against AD-like pathological alterations.

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