PMID- 30144942 OWN - NLM STAT- MEDLINE DCOM- 20181211 LR - 20181211 IS - 1532-2785 (Electronic) IS - 0143-4179 (Linking) VI - 71 DP - 2018 Oct TI - Maternal voluntary exercise ameliorates learning deficit in rat pups exposed, in utero, to valproic acid; role of BDNF and VEGF and their receptors. PG - 43-53 LID - S0143-4179(18)30041-6 [pii] LID - 10.1016/j.npep.2018.06.006 [doi] AB - In utero exposure to therapeutic doses of valproic acid (VPA) during pregnancy can produce physical malformation and CNS abnormalities in the offspring. There is evidence indicating that even lower doses of VPA during pregnancy could cause cognitive impairment in offspring. It has been demonstrated that maternal exercise has positive effects on offspring's cognitive function. In this study we evaluated the preventive potential of maternal voluntary exercise on cognitive deficits induced by in utero exposure to VPA, in rat pups. Furthermore, the alteration of hippocampal brain-derived neurotrophic factor (BDNF) and vascular endothelial growth factor (VEGF) and their respective receptors were measured. In treatment groups, pregnant rats received VPA (10 and 20 mg/kg) daily on the gestation days (GD) 7 for twelve days with or without access to a running wheel. In control groups, rats received saline with or without access to a running wheel. On postnatal day (PND) 30, learning and memory of rat pups were assessed using the Morris Water Maze (MWM) task. Also, on PND 30, hippocampal BDNF and VEGF were measured by ELISA and western blot analysis respectively. VEGFR (VEGF receptor) and TrkB (Tyrosine receptor kinase B, the receptor for BDNF) expressions were assessed using immunofluorescence staining. Results revealed that maternal voluntary exercise enhanced learning in offspring but had little effect on memory retention. Exposure to VPA during pregnancy disturbed learning and memory in rat pups. Maternal voluntary exercise could ameliorate some aspects of cognitive deficit induced by VPA. TrkB and VEGFR2 expression were enhanced in pups from running mothers. VPA, at both doses, suppressed exercise induced expression of these two receptors. Voluntary exercise and to a much greater extent VPA administration increased hippocampal BDNF. Voluntary exercise of mothers caused an enhance expression of VEGF in rat pups as did VPA administration, although to a smaller amount. CI - Copyright (c) 2018. Published by Elsevier Ltd. FAU - Rahimi, R AU - Rahimi R AD - Department of Pharmacology, School of Medicine, Iran University for Medical Sciences, Tehran, Iran. FAU - Akhavan, M M AU - Akhavan MM AD - Department of Pharmacology, School of Medicine, Iran University for Medical Sciences, Tehran, Iran. FAU - Kamyab, K AU - Kamyab K AD - Department of Pathology, Razi Skin Hospital, Tehran University of Medical Sciences, Iran. FAU - Ebrahimi, S A AU - Ebrahimi SA AD - Department of Pharmacology, School of Medicine, Iran University for Medical Sciences, Tehran, Iran.. Electronic address: ebrahimi.sa@iums.ac.ir. LA - eng PT - Journal Article DEP - 20180630 PL - Netherlands TA - Neuropeptides JT - Neuropeptides JID - 8103156 RN - 0 (Brain-Derived Neurotrophic Factor) RN - 0 (Vascular Endothelial Growth Factor A) RN - 614OI1Z5WI (Valproic Acid) RN - EC 2.7.10.1 (Receptor, trkB) RN - EC 2.7.10.1 (Receptors, Vascular Endothelial Growth Factor) SB - IM MH - Animals MH - Behavior, Animal/physiology MH - Brain-Derived Neurotrophic Factor/*metabolism MH - Cognition/drug effects MH - Female MH - Learning/*drug effects MH - Male MH - Maze Learning/drug effects MH - Physical Conditioning, Animal/*physiology MH - Pregnancy MH - Prenatal Exposure Delayed Effects/*metabolism MH - Rats MH - Rats, Wistar MH - Receptor, trkB/metabolism MH - Receptors, Vascular Endothelial Growth Factor/metabolism MH - Valproic Acid/*pharmacology MH - Vascular Endothelial Growth Factor A/*metabolism OTO - NOTNLM OT - Brain-derived neurotrophic factor OT - Cognitive dysfunction OT - Hippocampus OT - Maternal voluntary exercise OT - Valproate OT - Vascular endothelial growth factor OT - Water maze EDAT- 2018/08/27 06:00 MHDA- 2018/12/12 06:00 CRDT- 2018/08/27 06:00 PHST- 2018/02/26 00:00 [received] PHST- 2018/05/16 00:00 [revised] PHST- 2018/06/28 00:00 [accepted] PHST- 2018/08/27 06:00 [pubmed] PHST- 2018/12/12 06:00 [medline] PHST- 2018/08/27 06:00 [entrez] AID - S0143-4179(18)30041-6 [pii] AID - 10.1016/j.npep.2018.06.006 [doi] PST - ppublish SO - Neuropeptides. 2018 Oct;71:43-53. doi: 10.1016/j.npep.2018.06.006. Epub 2018 Jun 30.