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National Chung Hsing University Institutional Repository - NCHUIR > 獸醫學院 > 獸醫學系所 > 依資料類型分類 > 期刊論文 >  Allyl isothiocyanate triggers G2/M phase arrest and apoptosis in human brain malignant glioma GBM 8401 cells through a mitochondria-dependent pathway

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/136272

標題: Allyl isothiocyanate triggers G2/M phase arrest and apoptosis in human brain malignant glioma GBM 8401 cells through a mitochondria-dependent pathway
作者: Chen, N.G.;Chen, K.T.;Lu, C.C.;Lan, Y.H.;Lai, C.H.;Chung, Y.T.;Yang, J.S.;Lin, Y.C.
鍾楊聰;林永昌
關鍵字: allyl isothiocyanate;human brain malignant glioma GBM 8401 cells;apoptosis;mitochondria;G2/M arrest;cancer-cells;in-vivo;cruciferous vegetables;hela-cells;ht29 cells;growth;cycle;inhibition;induction;death
日期: 2010
Issue Date: 2012-12-14 13:40:46 (UTC+8)
關連: Oncology Reports, Volume 24, Issue 2, Page(s) 449-455.
摘要: Isothiocyanates (ITCs) are present as glucosinolates in various cruciferous vegetables. Allyl isothiocyanate (AITC) is one of the common naturally occurring isothiocyanates. Recent studies have shown that AITC significantly inhibited survival of leukemia HL-60, bladder cancer UM-UC-3 and colon cancer HT-29 cells in vitro. In this study, we demonstrate that AITC significantly decreased proliferation and viability of human brain malignant glioma GBM 8401 cells in a dose-dependent manner with IC(50) 9.25+/-0.69 mu M for 24 h-treatment. The analysis of cell cycle distribution also showed that AITC induced significantly G2/M arrest and sub-G1 phase (apoptotic population) in GBM 8401 cells. AITC markedly reduced the CDK1/cyclin B activity and protein levels by CDK1 activity assay and Western blot analysis. AITC-induced apoptotic cell death and this evidence was confirmed by morphological assessment and DAPI staining. Pretreatment with specific inhibitors of caspase-3 (Z-DEVE-FMK) and -9 (Z-LEHD-FMK) significantly reduced caspase-3 and -9 activity in GBM 8401 cells. Western blot analysis and colorimetric assays also displayed that AITC caused a time-dependent increase in cytosolic cytochrome c, pro-caspase-9, Apaf-1, AIF, Endo G and the stimulated caspase-9 and -3 activity. Our results suggest that AITC is a potent anti-human brain malignant glioma drug and it shows a remarkable action on cell cycle arrest before commitment for apoptosis is reached.
Relation: Oncology Reports
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 林永昌
[依教師分類] 鍾楊聰

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