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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Front+Med+(Lausanne) 2015 ; 2 (ä): ä Nephropedia Template TP
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Insights into Regulation of the miR-17-92 Cluster of miRNAs in Cancer #MMPMID26442266
Fuziwara CS; Kimura ET
Front Med (Lausanne) 2015[]; 2 (ä): ä PMID26442266show ga
Overexpression of the miR-17-92 cluster is a key oncogenic event in various cancer types. The oncogenic effect of the miR-17-92 cluster is enhanced by cooperation between its members in targeting tumor-suppressive proteins and pathways such as PTEN and TGF? signaling. However, in the case of miR-19a and miR-19b, these have been shown to have a preponderant role in the cluster?s oncogenicity. Important studies have revealed the influence of the Myc proto-oncogene family in the transcriptional regulation of miR-17-92. Recent findings show that other oncogenic signaling pathways, such as those of Notch and Sonic Hedgehog, activate miR-17-92 in cancer. Notwithstanding, another layer of complexity has been added by the influence of the relevant primary miR-17-92 tertiary structure during processing to mature miRNA. In this review, we attempt to integrate current transcriptional and post-transcriptional knowledge to enhance our global understanding of the coordinated up-regulation of miR-17-92 in cancer.