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Deprecated: Implicit conversion from float 245.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Cell+Death+Differ 2017 ; 24 (5): 785-97 Nephropedia Template TP
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Downregulation of Lnc-Spry1 mediates TGF-?-induced epithelial?mesenchymal transition by transcriptional and posttranscriptional regulatory mechanisms #MMPMID28186499
Rodríguez-Mateo C; Torres B; Gutiérrez G; Pintor-Toro JA
Cell Death Differ 2017[May]; 24 (5): 785-97 PMID28186499show ga
Long non-coding RNAs (lncRNAs) are a class of regulatory genes that participate in a wide range of biological processes, including proliferation, differentiation and development, as well as in a broad spectrum of diseases. Although the role of lncRNAs in TGF-?-induced epithelial-to-mesenchymal transition (EMT) has been well established, little is known about the role of lncRNAs as immediate-early regulators of EMT. Here lnc-Spry1 is identified as an immediate-early regulator of EMT that is downregulated by TGF-?. It is also found that knockdown of lnc-Spry1 promotes a mesenchymal-like phenotype and results in increased cell migration and invasion. In addition, it is shown that lnc-Spry1 depletion preferentially affects the expression of TGF-?-regulated gene targets. Moreover, lnc-Spry1 associates with U2AF65 splicing factor, suggesting a role in alternative splicing. Depletion of lnc-Spry1 induces, as TGF-?, isoform switching of fibroblast growth factor receptors, resulting in FGF-2-sensitive cells. Taken together, these results show that lnc-Spry1 could act as an early mediator of TGF-? signaling and reveal different roles for a lncRNA in modulating transcriptional and posttranscriptional gene expression