γ-Tocotrienol Induces Paraptosis-Like Cell Death in Human Colon Carcinoma SW620 Cells

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γ-Tocotrienol Induces Paraptosis-Like Cell Death in Human Colon Carcinoma SW620 Cells

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Title: γ-Tocotrienol Induces Paraptosis-Like Cell Death in Human Colon Carcinoma SW620 Cells
Author: Zhang, Jing-Shu; Li, Da-Ming; Ma, Yue; He, Ning; Gu, Qing; Wang, Feng-Shan; Jiang, Shu-Qing; Chen, Bing-Qing; Liu, Jia-Ren

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Citation: Zhang, Jing-Shu, Da-Ming Li, Yue Ma, Ning He, Qing Gu, Feng-Shan Wang, Shu-Qing Jiang, Bing-Qing Chen, and Jia-Ren Liu. 2013. γ-tocotrienol induces paraptosis-like cell death in human colon carcinoma SW620 cells. PLoS ONE 8(2): e57779.
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Abstract: Colorectal cancer is one of the most serious illnesses among diagnosed cancer. As a new type of anti-cancer composition from tocotrienol-rich fraction of palm oil, γ-tocotrienol is widely used in anti-cancer research. The objectives of this study were to investigate the effects of γ-tocotrienol on human colon cancer SW620 and HCT-8 cells. We showed that treatment with different concentrations of γ-tocotrienol resulted in a dose dependent inhibition of cell growth. Cell death induced by γ-tocotrienol was mediated by a paraptosis-like cell death in SW620 and HCT-8 cells. Real-time RT-PCR and western blot analyses showed that γ-tocotrienol inhibited the expression level of β-catenin, cyclin D1 and c-jun. These data suggest that a paraptosis-like cell death induced by γ-tocotrienol in SW620 cells is associated with the suppression of the Wnt signaling pathway, which offers a novel tool for treating apoptosis-resistance colon cancer.
Published Version: doi:10.1371/journal.pone.0057779
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3585143/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10612557
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