Meiho University Institutional Repository:Item 987654321/1614
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    MUIR > Journal of Meiho University > v.31 n.1(2011/00) >  Item 987654321/1614


    Please use this identifier to cite or link to this item: http://ir.meiho.edu.tw/ir/handle/987654321/1614


    Title: 五爪金英Td-F2萃取物誘導人類肝癌細胞Hep3B細胞週期阻滯及細胞凋亡作用
    A Td-F2 Extract from Tithonia diversifolia Induced Cell Cycle Arrest and Apoptosis on Hep3B Human Hepatoma Cells
    Authors: 盧泯任;李孟修;陳錫金;吳裕仁;黃瑞齡;Min-Ren Lu;Meng-Shiou Lee;Hsi-Jien Chen;Yu-Jen Wu;Ray-Ling Huang
    Contributors: 台東大學生命科學研究所學生;中國醫藥大學中藥資源系助理教授;明志科技大學環境與安全衛生工程系副教授;美和科技大學美容系助理教授;美和科技大學生物科技系副教授(通訊作者); Graduate student, Dept. Biological Science and Technology, Meiho Institute of Technology;Assistant Professor, School of Chinese Medicine Resource, China Medical University;Associate Professor, Dept. Safety, Health and Environmental Engineering, Mingchi University of Technology;Assistant Professor, Dept. Beauty Science, Meiho University;Associate Professor, Dept. Biological Science and Technology, Meiho University (Corresponding authors)
    Keywords: 五爪金英;細胞凋亡;細胞週期;肝癌;Tithonia diversifolia;Apoptosis;Cell cycle;Hepatoma
    Date: 2011
    Issue Date: 2012-04-12T02:31:31Z (UTC)
    Abstract: 五爪金英Tithonia diversifolia (Hemsl.) A. Gary為菊科 (Compositae) 植物。在民間傳統使用以全草來治療不同肝疾,具有清熱解毒等效用,近年來僅有少許報告指出分離自五爪金英不同成分能抑制肝癌細胞生長,目前於稍早實驗篩選出五爪金英葉部之乙酸乙酯萃取物第二分劃Td-F2具有抑制人類肝癌細胞HepG2(Wild-type p53)生長,並誘導產生細胞凋亡之活性。此次研究挑選不同基因表現之人類肝癌細胞Hep3B(P53 deletion)進行實驗。經MTT assay測定顯示隨著Td-F2藥物濃度增加,細胞存活率逐漸減少,且處理24小時IC50 為15.9 g/mL;處理48小時IC50為6.3 g/mL,具有時間與濃度依賴性。接著藉由DNA膠體電泳、ELISA kit、流式細胞儀測定,結果顯示DNA片段化、細胞凋亡率增加與sub-G1峰之細胞凋亡現象,綜合上述結果證明五爪金英葉部之乙酸乙酯萃取物第二分劃Td-F2同樣具有誘導人類肝癌細胞Hep3B細胞凋亡之活性,未來更進一步探討相關細胞凋亡調控機制。
    Appears in Collections:[Journal of Meiho University] v.31 n.1(2011/00)

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