Berberine attenuates convulsing behavior and extracellular glutamate and aspartate changes in 4-aminopyridine treated rats

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SADEGHNIA HAMID REZA; TAJIK ALIREZA; Forouzanfar Fatemeh; HOSSEINZADEH HOSSEIN

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Journal: Iranian Journal of Basic Medical Sciences Year:2017 | Volume:20 | Issue:5 Page(s): 588-593

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Title

Berberine attenuates convulsing behavior and extracellular glutamate and aspartate changes in 4-aminopyridine treated rats

Author(s)

SADEGHNIA HAMID REZA | TAJIK ALIREZA | Forouzanfar Fatemeh | HOSSEINZADEH HOSSEIN | Issue Writer Certificate

Keywords

Barberry

Berberis vulgaris

Berberine

Excitatory amino acids

4-Aminopyridine (4-AP)

Seizure

Abstract

Objective(s): K+ channel blocker 4-aminopyridine (4-AP) stimulates the release of glutamate from nerve terminals and induces Seizures. Berberine as a potential herbal drug exerts several pharmacological actions on the central nervous system including anxiolytic, anticonvulsant, and neuroprotective properties. The present study aimed to investigate the effect of Berberine on Seizure onset and time course of the extracellular levels of Excitatory amino acids (EAA), glutamate and aspartate, changes produced by 4-AP in rat hippocampus. Materials and Methods: The rats were given either saline or Berberine (50, 100 and 200 mg/kg, IP) 40 min before administration of 4-AP (15 mg/kg, IP) and the onset of Seizure was recorded. A group of rats also received diazepam (DZP, 15 mg/kg, IP) 20 min prior to 4-AP administration. Hippocampal extracellular levels of EAA were also measured using microdialysis assay. Analysis of the dialysate samples was performed by reversed-phase high performance liquid chromatography (HPLC) with precolumn derivatization with o-phthaldialdehyde and fluorescence detection. Results: Our findings suggest that Berberine significantly delayed the Seizure onset following 4-AP injection. There was a considerable increase in the extracellular glutamate and aspartate levels in 4-AP treated rats and 4-AP-evoked release of EAA was sharply reduced (about 4-5 fold especially at 20 min after 4-AP administration) in Berberine treatment groups. Conclusion: The results of present study show that Berberine attenuates 4-AP induced Seizures by decreasing hippocampal aspartate and glutamate release in rats.

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APA: Copy

SADEGHNIA, HAMID REZA, TAJIK, ALIREZA, Forouzanfar, Fatemeh, & HOSSEINZADEH, HOSSEIN. (2017). Berberine attenuates convulsing behavior and extracellular glutamate and aspartate changes in 4-aminopyridine treated rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 20(5), 588-593. SID. https://sid.ir/paper/721434/en

Vancouver: Copy

SADEGHNIA HAMID REZA, TAJIK ALIREZA, Forouzanfar Fatemeh, HOSSEINZADEH HOSSEIN. Berberine attenuates convulsing behavior and extracellular glutamate and aspartate changes in 4-aminopyridine treated rats. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2017;20(5):588-593. Available from: https://sid.ir/paper/721434/en

IEEE: Copy

HAMID REZA SADEGHNIA, ALIREZA TAJIK, Fatemeh Forouzanfar, and HOSSEIN HOSSEINZADEH, “Berberine attenuates convulsing behavior and extracellular glutamate and aspartate changes in 4-aminopyridine treated rats,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 20, no. 5, pp. 588–593, 2017, [Online]. Available: https://sid.ir/paper/721434/en

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