國家衛生研究院 NHRI:Item 3990099045/10538
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    题名: Long noncoding RNA LncHIFCAR/MIR31HG is a HIF-1alpha co-activator driving oral cancer progression
    其它题名: Long noncoding RNA LncHIFCAR/MIR31HG is a HIF-1α co-activator driving oral cancer progression
    作者: Shih, JW;Chiang, WF;Wu, ATH;Wu, MH;Wang, LY;Yu, YL;Hung, YW;Wang, WC;Chu, CY;Hung, CL;Changou, CA;Yen, Y;Kung, HJ
    贡献者: Institute of Molecular and Genomic Medicine
    摘要: Long noncoding RNAs (lncRNAs) have been implicated in hypoxia/HIF-1-associated cancer progression through largely unknown mechanisms. Here we identify MIR31HG as a hypoxia-inducible lncRNA and therefore we name it LncHIFCAR (long noncoding HIF-1alpha co-activating RNA); we describe its oncogenic role as a HIF-1alpha co-activator that regulates the HIF-1 transcriptional network, crucial for cancer development. Extensive analyses of clinical data indicate LncHIFCAR level is substantially upregulated in oral carcinoma, significantly associated with poor clinical outcomes and representing an independent prognostic predictor. Overexpression of LncHIFCAR induces pseudo-hypoxic gene signature, whereas knockdown of LncHIFCAR impairs the hypoxia-induced HIF-1alpha transactivation, sphere-forming ability, metabolic shift and metastatic potential in vitro and in vivo. Mechanistically, LncHIFCAR forms a complex with HIF-1alpha via direct binding and facilitates the recruitment of HIF-1alpha and p300 cofactor to the target promoters. Our results uncover an lncRNA-mediated mechanism for HIF-1 activation and establish the clinical values of LncHIFCAR in prognosis and potential therapeutic strategy for oral carcinoma.
    日期: 2017-06-22
    關聯: Nature Communications. 2017 Jun 22;8:Article number 15874.
    Link to: http://dx.doi.org/10.1038/ncomms15874
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2041-1723&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000403876400001
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85021150883
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