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Physical and cognitive training attenuate memory dysfunction and inflammation in focal cerebral ischemia injury

Publish Year: 1398
Type: Conference paper
Language: English
View: 364
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NSCMED08_181

Index date: 5 January 2020

Physical and cognitive training attenuate memory dysfunction and inflammation in focal cerebral ischemia injury abstract

Background and Aim : The aim of this study was to investigate the effects of physical and cognitive training separately or in combination on memory impairment and inflammatory responses in the ischemia model of rat.Methods : Endothelin-1 (ET-1), a potent vasoconstrictor, was used to produce focal ischemia in the hippocampus in male Wistar rats. Physical, cognitive and combination training groups exposed to voluntary running wheel exercise or modified Barnes maze cognitive task or combination of this interventions for 4 weeks, respectively. Next, novel object recognition (NOR) task was used to assess recognition memory. Western blotting was used to evaluate the protein levels of Nuclear factor-kappa B (NF-κB), tumor necrosis factor-alpha (TNF-α), and tumor necrosis factor-alpha receptor 1 (TNFR1) in the hippocampal tissue.Results : Hippocampal ischemia significantly impaired recognition memory with an increase of inflammatory proteins in the hippocampus tissue. Interventions in combination or separately significantly improved performance of ischemia-received animals in memory task. Furthermore, both physical and cognitive paradigms also reduced inflammatory factors in the hippocampus of ischemia-received rats.Conclusion : These results show that physical and cognitive training separately or in combination had a positive effect on cognitive function passably via reduction of inflammation.

Physical and cognitive training attenuate memory dysfunction and inflammation in focal cerebral ischemia injury Keywords:

Physical and cognitive training attenuate memory dysfunction and inflammation in focal cerebral ischemia injury authors

Fatemeh Farokhi Sisakht

Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran

Saeed Sadigh-Eteghad

Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran

Gisou Mohaddes

Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran

Mehdi Farhoudi

Neurosciences Research Center (NSRC), Tabriz University of Medical Sciences, Tabriz, Iran