Volume 7, Issue 4 (Autumn 2016 -- 2016)                   BCN 2016, 7(4): 291-298 | Back to browse issues page

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Naserpour Farivar T, Nassiri-Asl M, Johari P, Najafipour R, Hajiali F. The Effects of Kainic Acid-Induced Seizure on Gene Expression of Brain Neurotransmitter Receptors in Mice Using RT2 PCR Array. BCN. 2016; 7 (4) :291-298
URL: http://bcn.iums.ac.ir/article-1-833-en.html
1- Cellular and Molecular Research Centre, Qazvin University of Medical Sciences, Qazvin, Iran.
2- Department of Pharmacology, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran.

Introduction: Kainic acid (KA) induces neuropathological changes in specific regions of the mouse hippocampus comparable to changes seen in patients with chronic temporal lobe epilepsy (TLE). According to different studies, the expression of a number of genes are altered in the adult rat hippocampus after status epilepticus (SE) induced by KA. This study aimed to quantitatively evaluate changes in the gene expression of brain neurotransmitter receptors one week after administration of kainic acid in the mouse hippocampus.
Methods: We used 12 BALB/c mice in this study and randomly divided them into 2 groups. To both groups, saline (IP) was administered for 7 days, and on the last day, KA (10 mg/kg, IP) was injected 30 minutes after administration of saline. Subsequently, behavioural changes were observed in mice. Then, in one group (1 day group), 2 hours and in another group (7 days group), 7 days after KA administration, the hippocampus tissue of mice was removed and used for gene expression analyses. Total brain RNA was isolated and reversely transcribed. We performed qPCR using RT2 Profiler TMPCR Array Mouse Neurotransmitter Receptors and Regulators (QIAGEN) containing primers for 84 genes. In this regard, we selected 50 related genes for KA model. 
Results: Our results showed significant changes in the gene expression of GABAA subunits receptors, including α1-α3, α5, α6, β2, β3, γ1, ρ, and rho1-2 on day 7 compared with the day 1.
Conclusion: Expression of both inhibitory and excitatory receptors changed after one week. Further studies are needed to find more molecular changes in the gene expression of brain neurotransmitter receptors and regulators over longer periods of time in KA models using RT2 PCR array

Type of Study: Original | Subject: Behavioral Neuroscience
Received: 2016/02/12 | Accepted: 2016/07/25 | Published: 2016/10/1

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