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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 163 - 166 (4page)
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Objectives: Quercetin is a flavonoid and an important dietary constituent of fruits and vegetables. In recent years, several pharmacological activities of quercetin, such as its neuroprotective activity and, more specifically, its anti-convulsant effects in animal models of epilepsy, have been reported. This study evaluated the role of quercetin pretreatment on gene expression of γ-amino butyric acid type A (GABAA) receptor beta subunits in kainic acid (KA)-induced seizures in mice.
Methods: The animals were divided into four groups: one saline group, one group in which seizures were induced by using KA (10 mg/kg) without quercetin pretreatment and two groups pretreated with quercetin (50 and 100 mg/kg) prior to seizures being induced by using KA. Next, the messenger ribonucleic acid (mRNA) levels of the GABAA receptor β subunits in the hippocampus of each animal were assessed at 2 hours and 7 days after KA administration. Quantitative real- time polymerase chain reaction (RT-PCR) assay was used to detect mRNA content in hippocampal tissues.
Results: Pretreatments with quercetin at doses of 50 and 100 mg/kg prevented significant increases in the mRNA levels of the β1 and the β3 subunits of the GABAA receptor at 2 hours after KA injection. Pretreatment with quercetin (100 mg/kg) significantly inhibited β1 and β3 gene expression in the hippocampus at 7 days after KA injection. But, this inhibitory effect of quercetin at 50 mg/kg on the mRNA levels of the β3 subunit of the GABAA receptor was not observed at 7 days after KA administration.
Conclusion: These results suggest that quercetin (100 mg/kg) modulates the expression of the GABAA receptor β1 and β3 subunits in the KA model of epilepsy, most likely to prevent compensatory responses. This may be related to the narrow therapeutic dose range for the anticonvulsant activities of quercetin.
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등록된 정보가 없습니다.
참고문헌 (17)
참고문헌 신청
Sperk G / 1994 / Kainic acid seizures in the rat / Prog Neurobiol 42(1):1~32
Drexel M / 2013 / Changes in the expression of GABAA receptor subunit mRNAs in parahippocampal areas after kainic acid induced seizures / Front Neural Circuits 18:7~142
Lachance-Touchette P / 2010 / Screening of GABRB3 in French-Canadian families with idiopathic generalized epilepsy / Epilepsia 51(9):1894~1897
Huang J / 2013 / Therapeutic properties of quercetin on monosodium urate crystal-induced inflammation in rat / J Pharm Pharmacol 64(8):1119~1127
Kawabata K / 2015 / Quercetin and related polyphenols : new insights and implications for their bioactivity and bioavailability / Food Funct 6(5):1399~1417
Drexel M / 2013 / Changes in the expression of GABAA receptor subunit mRNAs in parahippocampal areas after kainic acid induced seizures / Front Neural Circuits 18:7~142
Lachance-Touchette P / 2010 / Screening of GABRB3 in French-Canadian families with idiopathic generalized epilepsy / Epilepsia 51(9):1894~1897
Huang J / 2013 / Therapeutic properties of quercetin on monosodium urate crystal-induced inflammation in rat / J Pharm Pharmacol 64(8):1119~1127
Kawabata K / 2015 / Quercetin and related polyphenols : new insights and implications for their bioactivity and bioavailability / Food Funct 6(5):1399~1417
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