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Iranian Journal of Basic Medical Sciences، جلد ۲۵، شماره ۱۲، صفحات ۱۴۶۰-۱۴۶۷
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عنوان انگلیسی Therapeutic effects of exercise-accompanied escitalopram on synaptic potency and long-term plasticity in the hippocampal CA1 area in rats under chronic restraint stress
چکیده انگلیسی مقاله Objective(s): Administration of antidepressants and exercise are among the therapeutic approaches to chronic stress. Therefore, this study compared the therapeutic effects of different doses of escitalopram, exercise, and exercise-accompanied escitalopram on synaptic potency and long-term plasticity in the hippocampal CA1 area in rats under chronic restraint stress.Materials and Methods: The rats were allocated to different groups. The chronic restraint stress (6 hr/day) continued for 14 days. Injection of escitalopram (10 and 20 mg/kg) and treadmill running (1 hr/day) were performed after the stress induction. The input/output (I/O) functions and LTP induction were evaluated in the hippocampal CA1 area.Results: The fEPSP slope and amplitude after the LTP induction significantly decreased in the chronically stressed group. However, the serum corticosterone levels had significant enhancement in this group. In addition to serum corticosterone levels, the fEPSP slope and amplitude after the LTP induction were enhanced by exercise, escitalopram 20 mg/kg alone, and exercise-accompanied escitalopram 10 and/or 20 mg/kg in chronically stressed groups.Conclusion: Overall, chronic stress impaired synaptic potency and long-term plasticity. These impairments were effectively reversed by exercise, escitalopram 20 mg/kg alone, and exercise-accompanied escitalopram 10 and 20 mg/kg. However, escitalopram 10 mg/kg alone could not alleviate the memory deficits in chronically stressed subjects. Therefore, exercise with both doses of escitalopram seems to have had additive effects on chronic stress conditions.
کلیدواژه‌های انگلیسی مقاله Escitalopram, Exercise, Long-term potentiation, Neuronal plasticity, stress
نویسندگان مقاله | Mahshid Zamani
Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran


| Maryam Radahmadi
Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran


| Parham Reisi
Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
نشانی اینترنتی https://ijbms.mums.ac.ir/article_21234.html
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