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歷 年 稿 件 內 容
 
*類別:
* 姓名: 呂旭峰
投稿種類: 壁報
*中文投稿標題: Triptolide triggers apoptosis via caspase- and mitochondrial-dependent signaling pathways in A375.S2 human melanoma cells
*中文作者姓名列:
*中文服務單位:
*英文投稿標題:
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*英文服務單位:
* 投稿摘要: In this study, we used A375.S2 human melanoma skin cancer cells as a model to investigate the effect of Triptolide on cell death. A375.S2 cells were treated with various concentrations of Triptolide for different periods of time and investigated the effects on cell cycle distribution and apoptosis were investigated. The data showed that Triptolide induced cell morphological changes, decreased the percentage of viable cells, and induced S phase arrest and apoptosis in A375.S2 cells in a concentration- and time-dependent manner. Furthermore, we used flow cytometry analysis and the data showed that Triptolide promoted reactive oxygen species, NO and Ca2+ production, decreased the mitochondrial membrane potential (ΔΨm) and increased the activity of caspase-3, -8 and -9 in the A375.S2 cells. Western blot analysis showed that TPL promoted the expression of p21 and p27 but inhibited that of cyclin A and CDC25A, leading to S phase arrest. Furthermore, the data also showed that TPL promoted the expression of Fas and FasL and increased the activity of caspase-3, -8 and -9, cytochrome c, Bax, apoptosis-inducing factor (AIF) and endonuclease G (Endo G); however, the expression of Bax was decreased, leading to apoptosis. Based on these observations, TPL induces apoptosis in A375.S2 cells through Fas-, caspase- and mitochondrial-mediated pathways.
*關鍵字1 : A375.S2 human melanoma skin cancer cells
*關鍵字2 : Triptolide
*關鍵字3 : apoptosis
*關鍵字4 : S phase arrest
*關鍵字5 : reactive oxygen species
* 服務機關:
* 第一作者: 莊淑華
* 身分字號: *****85542
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開啟檔案
審查委員意見: OK after some typo and grammatical errors are corrected.
審查委員意見: 作者報告雷公藤甲素會導致人類黑色素瘤細胞凋亡,建議轉至"生化"組
主任委員意見: 無意見
 
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