國家衛生研究院 NHRI:Item 3990099045/9605
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    題名: Positive feedback regulation between IL10 and EGFR promotes lung cancer formation
    作者: Hsu, TI;Wang, YC;Hung, CY;Yu, CH;Su, WC;Chang, WC;Hung, JJ
    貢獻者: Division of Geriatric Research
    摘要: The role of IL10 in the tumorigenesis of various cancer types is still controversial. Here, we found that increased IL10 levels are correlated with a poor prognosis in lung cancer patients. Moreover, IL10 levels were significantly increased in the lungs and serum of EGFRL858R- and Kras4bG12D-induced lung cancer mice, indicating that IL10 might facilitate lung cancer tumorigenesis. IL10 knockout in EGFRL858R and Kras4bG12D mice inhibited the development of lung tumors and decreased the levels of infiltrating M2 macrophages and tumor-promoting Treg lymphocytes. We also showed that EGF increases IL10 expression by enhancing IL10 mRNA stability, and IL10 subsequently activates JAK1/STAT3, Src, PI3K/Akt, and Erk signaling pathways. Interestingly, the IL10-induced recruitment of phosphorylated Src was critical for inducing EGFR through the activation of the JAK1/STAT3 pathway, suggesting that Src and JAK1 positively regulate each other to enhance STAT3 activity. Doxycycline-induced EGFRL858R mice treated with gefitinib and anti-IL10 antibodies exhibited poor tumor formation. In conclusion, IL10 and EGFR regulate each other through positive feedback, which leads to lung cancer formation.
    日期: 2016-04
    關聯: Oncotarget. 2016 Apr;7(15):20840-20854.
    Link to: http://dx.doi.org/10.18632/oncotarget.7894
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000375804000132
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84964793150
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