Dihydropyrimidine dehydrogenase pharmacogenetics in the Taiwanese population

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 台中附設醫院 > 期刊論文 > Item 310903500/30700

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题名:	Dihydropyrimidine dehydrogenase pharmacogenetics in the Taiwanese population
作者:	Hsiao, HH;Yang, MY;Chang, JG;Liu, YC;Liu, TC;Chang, CS;Chen, TP;Lin, SF
贡献者:	附設醫院醫研部;Kaohsiung Med Univ Hosp, Dept Internal Med, Dept Hematol Oncol, Kaohsiung, Taiwan;China Med Coll Hosp, Dept Mol Med, Taichung, Taiwan
日期:	2004
上传时间:	2010-09-24 15:00:14 (UTC+8)
出版者:	SPRINGER-VERLAG
摘要:	A simple and efficient plant propagation system has been developed by asymbiotic germination of seeds in three medicinally important Dendrobium species, namely, Dendrobium tosaense, Dendrobium moniliforme, and Dendrobium linawianum. Plants obtained from natural habitats were grown in the greenhouse. The flowers were hand pollinated. Seeds of the capsules derived after 12 weeks of hand-pollination germinated asymbiotically (50-74%) on half strength Murashige and Skoog's (MS) basal medium with 3% sucrose and solidified with 0.9% Difco agar. Active growth in the germinated seedlings was achieved by re-culturing on full strength MS basal medium supplemented with 8% banana homogenate, 8% potato homogenate, 8% coconut water, 1.5% sucrose and 0.9% Difco agar. Healthy plantlets, transferred to plastic trays containing moss or moss and tree fern, successfully acclimatized (84-100%) in the greenhouse. A marked varied response was observed in the free radical scavenging activity of methanolic extracts of in vitro propagated plants, on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical using a UV spectrophotometer assay. Methanolic extracts were prepared by dissolving the powdered plant material, obtained from six months old in vitro propagated plants, each about 5 g, in boiling methanol. The percentage of scavenging effect of D. tosaense extract was 95.9% at 0.4 mg/ml concentration, whereas D. monoliforme, and D. linawianum extracts scavenged 83.4% and 92.3%, respectively, at a concentration of 0.4 mg/ml. All the extracts scavenged DPPH radical significantly in a concentration dependent manner.
關聯:	CANCER CHEMOTHERAPY AND PHARMACOLOGY 53(5):445-451
显示于类别:	[台中附設醫院] 期刊論文

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