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KMID : 1204320150310040198
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Laboratory Animal Research
2015 Volume.31 No. 4 p.198 ~ p.203
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Curcumin attenuates the middle cerebral artery occlusion-induced reduction in γ-enolase expression in an animal model
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Gim Sang-Ah
Lee So-Ra
Shah Fawad Ali
Koh Phil-Ok
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Abstract
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Curcumin exerts a protective effect in cerebral ischemia through its anti-oxidant and anti-inflammatory activities. γ-enolase is a glycolytic enzyme expressed in neurons that is known to exerts a neuroprotective effect. We investigated whether curcumin regulates γ-enolase expression in focal cerebral ischemic injury in rats. Middle cerebral artery occlusion (MCAO) was performed to induce focal cerebral ischemia. Adult male rats were injected intraperitoneally with either vehicle or curcumin (50 mg/kg) 1 h after MCAO and cerebral cortex tissues were isolated 24 h after MCAO. We found that MCAO-induced injury resulted in a reduction in γ-enolase expression in vehicle-treated animals using a proteomics approach. However, this reduction was attenuated in animals with MCAO treated with curcumin. Reverse-transcription PCR and Western blot analyses also showed that curcumin treatment prevented the MCAO injury-induced reduction in γ-enolase expression. The results of this study suggest that curcumin exerts its neuroprotective function in focal cerebral ischemia by regulating the expression of γ-enolase.
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KEYWORD
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γ-enolase, curcumin, neuroprotection
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