國家衛生研究院 NHRI:Item 3990099045/11829
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    題名: TNF-alpha-induced miR-450a mediates TMEM182 expression to promote oral squamous cell carcinoma motility
    其他題名: TNF-α-induced miR-450a mediates TMEM182 expression to promote oral squamous cell carcinoma motility
    作者: Hsing, EW;Shiah, SG;Peng, HY;Chen, YW;Chuu, CP;Hsiao, JR;Lyu, PC;Chang, JY
    貢獻者: National Institute of Cancer Research;Institute of Cellular and Systems Medicine
    摘要: Distant metastasis leads oral cancer patients into a poor survival rate and a high recurrence stage. During tumor progression, dysregulated microRNAs (miRNAs) have been reported to involve tumor initiation and modulate oral cancer malignancy. MiR-450a was significantly upregulated in oral squamous cell carcinoma (OSCC) patients without functional reports. This study was attempted to uncover the molecular mechanism of novel miR-450a in OSCC. Mir-450a expression was examined by quantitative RT-PCR, both in OSCC cell lines and patients. Specific target of miR-450a was determined by software prediction, luciferase reporter assay, and correlation with target protein expression. The functions of miR-450a and TMEM182 were accessed by adhesion and transwell invasion analyses. Determination of the expression and cellular localization of TMEM182 was examined by RT-PCR and by immunofluorescence staining. The signaling pathways involved in regulation of miR-450a were investigated using the kinase inhibitors. Overexpression of miR-450a in OSCC cells impaired cell adhesion ability and induced invasiveness, which demonstrated the functional role of miR-450a as an onco-miRNA. Interestingly, tumor necrosis factor alpha (TNF-alpha)-mediated expression of TMEM182 was regulated by miR-450a induction. MiR-450a-reduced cellular adhesion was abolished by TMEM182 restoration. Furthermore, the oncogenic activity of TNF-alpha/miR-450a/TMEM182 axis was primarily through activating extracellular signal-regulated kinase 1/2 (ERK1/2) signaling pathway. ERK1/2 inhibitor prevented the TNF-alpha-induced miR-450a expression and enhanced adhesion ability. Our data suggested that TNF-alpha-induced ERK1/2-dependent miR-450a against TMEM182 expression exerted a great influence on increasing OSCC motility. Overall, our results provide novel molecular insights into how TNF-alpha contributes to oral carcinogenesis through miR-450a that targets TMEM182.
    日期: 2019-03-20
    關聯: PLoS ONE. 2019 Mar 20;14(3):Article number e0213463.
    Link to: http://dx.doi.org/10.1371/journal.pone.0213463
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1932-6203&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000461765900042
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85063269971
    顯示於類別:[張俊彥] 期刊論文
    [陳雅雯] 期刊論文
    [夏興國] 期刊論文
    [褚志斌] 期刊論文

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