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Iranian Journal of Basic Medical Sciences، جلد ۱۶، شماره ۹، صفحات ۹۵۵-۹۶۱
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عنوان انگلیسی Maternal Voluntary Exercise during Pregnancy Enhances the Spatial Learning Acquisition but not the Retention of Memory in Rat Pups via a TrkB-mediated Mechanism: The Role of Hippocampal BDNF Expression
چکیده انگلیسی مقاله Objective(s): The effect of maternal voluntary exercise on hippocampal BDNF level in rat offspring was studied. In addition, the possible role of hippocampal BDNF receptors in maternal exercise induced enhancement of learning in the rat pups was investigated. Materials and Methods: Pregnant rats have been randomly assigned to sedentary control or voluntary exercise groups. Each of the exercising pregnant rats was given access to a cage that was equipped with a running wheel until the end of their pregnancy. On post natal day (PND) 36, two groups consisted of 7 male rat pups in each group from sedentary or exercised mothers were sacrificed and the hippocampus was dissected for BDNF proteins level determination. Also, bilateral injection of K252a to the hippocampus was used to block the hippocampal BDNF action on PND59 in the rat pups. Results: Voluntary exercise during pregnancy significantly increased the level of BDNF protein in the hippocampus of the rat pups on PND36 compared to the control group (P=0.048). Inhibiting BDNF action abolished the exercise-induced improvement of learning acquisition in offspring in training trials (P=0.0001). No difference was observed in the platform location latency and the time spent in the target in the probe test between two groups. Conclusion : This study demonstrates that voluntary exercise during pregnancy via a TrkB-mediated mechanism enhances the spatial learning acquisition, however, not the retention of memory in the rat pups.
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نویسندگان مقاله مازیار m اخوان | maziar m akhavan
skin research center, laboratory of protein and enzyme, shahid beheshti university m.c , shohada-e tajrish hospital, shahrdari st, tehran, iran,department of pharmacology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

حسین میلادی گرجی | hossein miladi gorji
laboratory of learning and memory, research center and department of physiology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

میترا امامی ابرقویی | mitra emami abarghoie
department of pharmacology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

منوچهر صفری | manouchehr safari
department of anatomy, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

بیژن صدیقی مقدم | bizhan sadighi moghaddam
department of immunology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

عباسعلی وفایی | abbas a vafaei
laboratory of learning and memory, research center and department of physiology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

علی رشیدی پور | ali rashidy pour
laboratory of learning and memory, research center and department of physiology, school of medicine, semnan university of medical sciences, semnan, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی سمنان (Semnan university of medical sciences)

نشانی اینترنتی http://ijbms.mums.ac.ir/article_1663.html
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