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KMID : 0380020140290010067
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Korean Journal of Biotechnology and Bioengineering
2014 Volume.29 No. 1 p.67 ~ p.71
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Effects of Ukgansan (Yokukansan in Japanese, Yigansan in chinese) on the Locomotor Velocity and Glutamate-Induce Paroxysm in Planarian
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Park Woong
Yoo Du-Man
So June-No
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Abstract
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Planaria were recently reported to be a simple and sensitive model to investigate the mechanistic aspect of seizure and to screen potential anticonvulsants. Using planarian model, we analyzed the pharmacological effect of ukgansan (UGS), an oriental herbal medicine containing seven medicinal herbs, on the planarian locomotor velocity (pLMV) and glutamate-induced seizure-like activity (pSLA). To test whether D. japonica is suitable for studying anti-seizure agents, we investigated the effect of glutamate on pLMV and pSLA in D. japonica. In the present study we first confirmed that pSLA in D. japonica was induced by L-glutamate. Glutamate significantly produced pSLA in a dose dependent manner, but did not affect pLMV. These glutamate-induced paroxysms were decreased by antiepileptic drug, topiramate. A similar inhibitory effect on glutamate-induced pSLA was observed after the treatment of UGS. The present results suggest that UGS and its active constituents possess useful substance inhibiting seizure in planarian and that D. japonica provides a convenient model to search active herbs containing anti-seizure activity.
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KEYWORD
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Planaria, pLMV, Glutamate-induced pSLA, Ukgansan
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