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Panahi, Yousef, Haghgouie, Tannaz, khalilzadeh, Emad, Tavakoli, Soodeh. (1404). Dose-Dependent Modulation of PTZ-Induced Seizure Activity by Histamine and Receptor Antagonists in Wistar Rats. , (), -. doi: 10.22059/ijvm.2025.393848.1005791
Yousef Panahi; Tannaz Haghgouie; Emad khalilzadeh; Soodeh Tavakoli. "Dose-Dependent Modulation of PTZ-Induced Seizure Activity by Histamine and Receptor Antagonists in Wistar Rats". , , , 1404, -. doi: 10.22059/ijvm.2025.393848.1005791
Panahi, Yousef, Haghgouie, Tannaz, khalilzadeh, Emad, Tavakoli, Soodeh. (1404). 'Dose-Dependent Modulation of PTZ-Induced Seizure Activity by Histamine and Receptor Antagonists in Wistar Rats', , (), pp. -. doi: 10.22059/ijvm.2025.393848.1005791
Panahi, Yousef, Haghgouie, Tannaz, khalilzadeh, Emad, Tavakoli, Soodeh. Dose-Dependent Modulation of PTZ-Induced Seizure Activity by Histamine and Receptor Antagonists in Wistar Rats. , 1404; (): -. doi: 10.22059/ijvm.2025.393848.1005791

Dose-Dependent Modulation of PTZ-Induced Seizure Activity by Histamine and Receptor Antagonists in Wistar Rats

Iranian Journal of Veterinary Medicine
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 21 مرداد 1404
نوع مقاله: Original Articles
شناسه دیجیتال (DOI): 10.22059/ijvm.2025.393848.1005791
نویسندگان
Yousef Panahi* 1؛ Tannaz Haghgouie2؛ Emad khalilzadeh3؛ Soodeh Tavakoli1
1Division of Pharmacology and Toxicology, Department of Basic Sciences, Faculty of Veterinary, University of Tabriz, Tabriz, Iran.
2Division of Pharmacology and Toxicology, Department of Basic Sciences, Faculty of Veterinary, University of Tabriz, Tabriz, Iran
3Division of Physiology, Department of Basic Sciences, Faculty of Veterinary, University of Tabriz, Tabriz, Iran.
چکیده
Background: Epileptic activity often involves key brain structures like the hippocampus and amygdala, while histamine plays a crucial role in regulating neuronal excitability. The primary objective of this research is to investigate how different doses of histamine influence seizure frequency and the potential therapeutic effects of histamine in conjunction with chlorpheniramine and ranitidine.
Methods: Forty-eight Wistar rats (280–320 g) were divided into several groups, including control, histamine (2, 4, and 8 µg/kg), chlorpheniramine, ranitidine, and combinations of histamine with these drugs. The rats were anesthetized with ketamine-xylazine (70–7 mg/kg), and precise injections of 0.5 µL of each drug were delivered into the amygdala using a Hamilton syringe. Brain activity was recorded before and after administering PTZ (80 mg/kg, i.p.) to induce seizures, followed by monitoring convulsive activity. Diazepam (10 mg/kg, i.p.) was then given to suppress the seizures.
Results: Histamine significantly reduced seizure frequency in a dose-dependent manner, and chlorpheniramine and ranitidine exhibited similar effects, both alone and in combination with histamine. Notably, although seizure frequency varied among groups, the amplitude of convulsive activity remained unchanged.
Conclusion: These findings provide deeper insight into the role of histamine in seizure modulation and suggest potential therapeutic implications for epilepsy treatment.
کلیدواژه‌ها
Neurotransmitter؛ Histamine؛ Hippocampus؛ Amygdala؛ Epilepsy
آمار
تعداد مشاهده مقاله: 30





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