國家衛生研究院 NHRI:Item 3990099045/2652
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    題名: Resveratrol induces FasL-related apoptosis through Cdc42 activation of ASK1/JNK-dependent signaling pathway in human leukemia HL-60 cells
    作者: Su, JL;Lin, MT;Chang, CC;Shiah, SG;Wu, CW;Chen, ST;Chau, YP;Kuo, ML
    貢獻者: National Institute of Cancer Research
    摘要: Trans-resveratrol, a phytoalexin found at high levels in grapes and in grape products such as red wine, has been shown to prevent carcinogenesis or antitumor growth in murine models. Here we dissect the detailed signaling pathway involved in resveratrol-induced apoptosis. Our data showed that treatment with resveratrol-induced activation of apoptosis signal-regulating kinase 1, a mitogen-activated protein kinase kinase kinase, in turn, activated the downstream kinases c-Jun N-terminal kinase and p38 mitogen-activated protein kinase, but not extracellular signal-regulated kinase. Transfection with a dominant-negative c-Jun N-terminal kinase expression vector reduced FasL expression and DNA fragmentation induced by resveratrol. However, inhibition of p38 mitogen-activated protein kinase activity by treatment with SB203580 (p38 mitogen-activated protein kinase specific inhibitor) or expression of mutant p38 mitogen-activated protein kinase expression vector did not alter the apoptosis and FasL expression in response to resveratrol. Furthermore, genetic inhibition of apoptosis signal-regulating kinase 1 signaling inhibited not only the activation of c-Jun N-terminal kinase, but also the expression of FasL and apoptosis. Similarly, over-expression of wild-type apoptosis signal-regulating kinase 1 strengthened the resveratrol-induced c-Jun N-terminal kinase activation, FasL expression and subsequent apoptosis. These results suggest the possible involvement of apoptosis signal-regulating kinase 1/c-Jun N-terminal kinase signaling in the regulation of FasL expression and subsequent apoptosis induced by resveratrol in HL-60 cells. Resveratrol also activated the small GTP-binding protein Cdc42, rather than other members such as RhoA or Rac1. Expression of a mutant Cdc42 (N17 Cdc42) dramatically reduced resveratrol-induced c-Jun N-terminal kinase activity, FasL expression and apoptotic cell death. These results showed that resveratrol induced apoptosis through the Cdc42/apoptosis signal-regulating kinase 1/c-Jun N-terminal kinase/FasL signaling cascade in HL-60 cells.
    關鍵詞: Oncology
    日期: 2005-01
    關聯: Carcinogenesis. 2005 Jan;26(1):1-10.
    Link to: http://dx.doi.org/10.1093/carcin/bgh220
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0143-3334&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000226186800001
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=13444302910
    顯示於類別:[吳成文(1996-2008)] 期刊論文
    [夏興國] 期刊論文

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