國家衛生研究院 NHRI:Item 3990099045/7978
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/7978


    Title: Interleukin-32 increases human gastric cancer cell invasion associated with tumor progression and metastasis
    Authors: Tsai, CY;Wang, CS;Tsai, MM;Chi, HC;Cheng, WL;Tseng, YH;Chen, CY;Lin, CD;Wu, JI;Wang, LH;Lin, KH
    Contributors: Institute of Molecular and Genomic Medicine
    Abstract: PURPOSE: The proinflammatory cytokine interleukin-32 (IL-32) is a novel tumor marker highly expressed in various human carcinomas, including gastric cancer. However, its effects on prognosis of patients with gastric cancer and cancer metastasis are virtually unknown at present. The main aim of this study was to explore the clinical significance of IL-32 in gastric cancer and further elucidate the molecular mechanisms underlying IL-32-mediated migration and invasion.EXPERIMENTAL DESIGN: Gastric cancer cells with ectopic expression or silencing of IL-32 were examined to identify downstream molecules and establish their effects on cell motility, invasion, and lung metastasis in vivo.RESULTS: IL-32 was significantly upregulated in gastric cancer and positively correlated with aggressiveness of cancer and poor prognosis. Ectopic expression of IL-32 induced elongated morphology and increased cell migration and invasion via induction of IL-8, VEGF, matrix metalloproteinase 2 (MMP2), and MMP9 expression via phosphor-AKT/phospho-glycogen synthase kinase 3beta/active beta-catenin as well as hypoxia-inducible factor 1alpha (HIF-1alpha) signaling pathways. Conversely, depletion of IL-32 in gastric cancer cells reversed these effects and decreased lung colonization in vivo. Examination of gene expression datasets in oncomine and staining of gastric cancer specimens demonstrated the clinical significance of IL-32 and its downstream molecules by providing information on their coexpression patterns.CONCLUSIONS: IL-32 contributes to gastric cancer progression by increasing the metastatic potential resulting from AKT, beta-catenin, and HIF-1alpha activation. Our results clearly suggest that IL-32 is an important mediator for gastric cancer metastasis and independent prognostic predictor of gastric cancer.
    Date: 2014-05
    Relation: Clinical Cancer Research. 2014 May;20(9):2276-2288.
    Link to: http://dx.doi.org/10.1158/1078-0432.ccr-13-1221
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1078-0432&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000335915200006
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84899726455
    Appears in Collections:[Lu-Hai Wang] Periodical Articles

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