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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/8577


    Title: Estrogen adversely affects the prognosis of patients with lung adenocarcinoma
    Authors: Hsu, LH;Liu, KJ;Tsai, MF;Wu, CR;Feng, AC;Chu, NM;Kao, SH
    Contributors: National Institute of Cancer Research
    Abstract: Estrogen has been postulated to contribute to the development and progression of lung cancer. We examined the epidemiologic evidence, explored the characteristics of estrogen receptors (ER) in lung adenocarcinoma, and investigated the effect of estrogen on lung cancer cell migration, including the signaling pathway involved. For epidemiologic evidence, a total of 1434 consecutive non-small cell lung cancer patients who underwent standardized staging and homogenous treatment were prospectively enrolled from January 2002 to December 2008, and followed until December 2012. The possible prognostic factors to be analyzed included stage, age, gender, menopausal status, smoking history and histology. For laboratory study, lung cancer cell lines A549 and PE089 and malignant pleural effusions from the patients with lung adenocarcinoma were used. We found that the premenopausal patients had more advanced disease and a shorter survival among the never-smoking female patients with lung adenocarcinoma. ERβ was the predominant ER in the lung cancer cell lines. We proposed a different pathway that estrogen upregulated the expression of osteopontin and then promoted cell migration through αvβ3 integrin binding and activated MEK-ERK signaling pathway, which is a common downstream pathway with epidermal growth factor receptor (EGFR) activation. An additive effect of ER antagonists and EGFR antagonists on the inhibition of cell migration was also noted. Our results suggest that estrogen adversely affects the prognosis of patients with lung adenocarcinoma. Osteopontin contributed to the cross-talk between ER and EGFR signaling pathways. Estrogen, with its receptor, has the potential to be a prognosticator and a therapeutic target in lung cancer. Estrogen up-regulates osteopontin expression and promotes lung cancer cell migration via the MEK/ERK signaling pathway. Osteopontin contributes to the cross-talk between estrogen receptor and epidermal growth factor receptor signaling pathways.
    Date: 2015-01
    Relation: Cancer Science. 2015 Jan;106(1):51-59.
    Link to: http://dx.doi.org/10.1111/cas.12558
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1347-9032&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000348567000007
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84923169638
    Appears in Collections:[劉柯俊] 期刊論文

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