國家衛生研究院 NHRI:Item 3990099045/2250
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    題名: Role of IL-6 in neuroendocrine differentiation and chemosensitivity of non-small cell lung cancer
    作者: Chang, KT;Huang, CYF;Tsai, CM;Chiu, CH;Lok, YY
    貢獻者: Division of Molecular and Genomic Medicine
    摘要: Interleukin-6 (IL-6) has been shown to regulate both growth and neuroendocrine (NE) differentiation in some types of human cancer cells, and erbB2 may be a critical component of IL-6 signaling. Non- small cell lung cancer (NSCLC) tumors that demonstrate NE properties have been suggested to have biological characteristics similar to small cell lung cancers with initial responsiveness to chemotherapy. We investigated whether IL-6 is implicated in the cell growth, NE differentiation, and chemosensitivity of NSCLC-NE cells. NSCLC-NE cells were treated with exogenous IL-6, and a subclone of an IL-6-transfected NSCLC cell line that constitutively expressed IL-6 receptor was also generated. These cells were assessed for cell proliferation by cell counting and 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide (MTT) assays, chemosensitivity to cisplatin and etoposide by MTT assays, and NE differentiation by observing morphological changes and immunoblotting for neuron-specific enolase (NSE). The IL-6-treated cells and the IL-6-transfected cells showed enhanced cell proliferation and downregulated NSE expression, but little change in chemosensitivity. In the culture medium, IL-6-transfected cells grew as looser aggregates than the parental cells. IL-6 could not activate the erbB genes. In conclusion, IL-6 can induce cell proliferation and NE dedifferentiation but has little effect on chemosensitivity in IL-6 receptor-expressing NSCLC-NE cells. The status of NSE expression is unlikely to be a crucial factor for chemosensitivity in NSCLC cells.
    關鍵詞: Physiology;Respiratory System
    日期: 2005-09
    關聯: American Journal of Physiology-Lung Cellular and Molecular Physiology. 2005 Sep;289(3):L438-L445.
    Link to: http://dx.doi.org/10.1152/ajplung.00033.2005
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1040-0605&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000231395100010
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=23944489286
    顯示於類別:[黃奇英(1998-2005)] 期刊論文

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