Therapeutic effect of acute and chronic use of different doses of vitamin D۳ on seizure responses and cognitive impairments induced by pentylenetetrazole in immature male rats
Publish place: Iranian Journal of Basic Medical Sciences، Vol: 25، Issue: 1
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJBMS-25-1_012
تاریخ نمایه سازی: 2 بهمن 1400
Abstract:
Objective(s): This study aimed to evaluate the effects of acute and chronic intake of different doses of vitamin D۳ on seizure responses and cognitive impairment induced by pentylenetetrazole (PTZ) in immature male rats.Materials and Methods: Sixty-six immature male NMRI rats were divided into control (۱۰), epileptic (۱۰), and treatment groups (۴۶). The stage ۵ latency (S۵L) and stage ۵ duration (S۵D) were assessed along with the shuttle box test. Levels of antioxidant enzymes and inflammatory factors along with genes involved in inflammation, oxidative damage, apoptosis, and mTORc۱ were measured in the hippocampus tissue of the brain of controlled and treated rats. Serum levels of parathyroid hormone (PTH), vitamin D, calcium, and phosphorus were also assessed.Results: The results showed that the ability to learn, memory consolidation, and memory retention in epileptic rats were reduced. In addition, S۵D increased and S۵L decreased in epileptic rats, while being effectively ameliorated by chronic and acute vitamin D intake. The results showed that vitamin D in different doses acutely and chronically decreased the levels of oxidative and inflammatory biomarkers in hippocampus tissue and inhibited the expression of genes involved in inflammation, oxidative damage, apoptosis, and mTORc۱ in the hippocampus tissue of epileptic rats. Conclusion: The results showed that vitamin D in different doses acutely and chronically could improve cognitive impairments and convulsive responses in epileptic rats by improving neurotransmission, inflammation, apoptosis, and oxidative damage.
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Authors
Hong Jiang
Department of Pediatric, Weinan Maternal and Child Health Hospital, Weinan, ۷۱۴۰۰۰, China
Suying Zhang
Department of Child Health, Weinan Central Hospital, Weinan, ۷۱۴۰۰۰, China
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