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KMID : 0861120080120030099
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Korean Journal of Oriental Preventive Medicine
2008 Volume.12 No. 3 p.99 ~ p.113
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The Effect to Drug Metabolizing Enzyme Cytochrome P450 3A4 by Chungyulyak
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Jo Hee-Chan
Shin Yong-Cheol
Ko Seong-Gyu
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Abstract
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In this study, the author experimented the influence of five herbal medicines, which are Lonicera japonica Thunb, Paeonia suffruticosa Andr., Fraxinus rhynchophylla Hance, Gardenia jasminoides Ellis, Scutellaria baicalensis George which are called ’Chungyulyak(淸熱藥)’ on drug metabolizing enzyme cytochrome P450 3A4 in Human Liver Microsome. Above all, the reason for this study is that herbal medicines can be assumed that herbs might have interactions with drugs, other herbs, alcohol and chemicals whether those are much better synergy effects than expected effects when the medicine was treated alone or not. As a result, we showed that all of five traditional herbal medicines had no CYP 3A4 inhibition effect on 10, 20, 30, 40, doses in Human Liver Microsome. However, this result are mostly not enough to prove that PMT has a CYP 3A4 inhibition effect. Moreover, it is not that those rates showed that those herbal medicines have CYP 3A4 induction effect. In conclusion, the result could support that those herbal medicines are more safe than chemical drugs even if this is the basic step to prove that result. Therefore, more specific studies to support this result, which are Kinetic study, cell and animal study then finally until clinical research, are required.
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KEYWORD
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Human liver microsome, Chungyulyak, Traditional Korean medicine
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