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10.18632/oncotarget.11627 http://scihub22266oqcxt.onion/10.18632/oncotarget.11627 C5325429!5325429 !27579892     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=27579892 &cmd=llinks): Failed to open stream: HTTP request failed! 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PARP3 controls TGF? and ROS driven epithelial-to-mesenchymal transition and stemness by stimulating a TG2-Snail-E-cadherin axis |pdf=|usr=}}{{27579892 }} gab.com Text PARP3 controls TGF and ROS driven epithelial-to-mesenchymal transition and stemness by stimulating a TG2-Snail-E-cadherin axis JO: Oncotarget http://www.kidney.de/pget.php?&tw=1&pmid=27579892 #FOAvip Several members of the Poly(ADP-ribose) polymerase (PARP) family are essential regulators of genome integrity, actively prospected as drug targets for cancer therapy. Among them, PARP3 is well characterized for its functions in double-strand break repair and mitotis. Here we report that PARP3 also plays an integral role in TGF? and reactive oxygen species (ROS) dependent epithelial-to-mesenchymal transition (EMT) and stem-like cell properties in human mammary epithelial and breast cancer cells. PARP3 expression is higher in breast cancer cells of the mesenchymal phenotype and correlates with the expression of the mesenchymal marker Vimentin while being in inverse correlation with the epithelial marker E-cadherin. Furthermore, PARP3 expression is significantly upregulated during TGF?-induced EMT in various human epithelial cells. In line with this observation, PARP3 depletion alters TGF?-dependent EMT of mammary epithelial cells by preventing the induction of the Snail-E-cadherin axis, the dissolution of cell junctions, the acquisition of cell motility and chemoresistance. PARP3 responds to TGF?-induced ROS to promote a TG2-Snail-E-cadherin axis during EMT. Considering the link between EMT and cancer stem cells, we show that PARP3 promotes stem-like cell properties in mammary epithelial and breast cancer cells by inducing the expression of the stem cell markers SOX2 and OCT4, by increasing the proportion of tumor initiating CD44high/CD24low population and the formation of tumor spheroid bodies, and by promoting stem cell self-renewal. These findings point to a novel role of PARP3 in the control of TGF?-induced EMT and acquisition of stem-like cell features and further motivate efforts to identify PARP3 specific inhibitors. Twit Text FOAVip PARP3 controls TGF and ROS driven epithelial-to-mesenchymal transition and stemness by stimulating a TG2-Snail-E-cadherin axis ????Oncotarget http://www.kidney.de/pget.php?&tw=1&pmid=27579892 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27579892 #FOAvip English Wikipedia <ref>{{Cite pmid|27579892 }}</ref> PARP3 controls TGF? and ROS driven epithelial-to-mesenchymal transition and stemness by stimulating a TG2-Snail-E-cadherin axis #MMPMID27579892 Karicheva O ; Rodriguez-Vargas JM ; Wadier N ; Martin-Hernandez K ; Vauchelles R ; Magroun N ; Tissier A ; Schreiber V ; Dantzer F Oncotarget 2016[Sep]; 7 (39 ): 64109-64123 PMID27579892 show ga Several members of the Poly(ADP-ribose) polymerase (PARP) family are essential regulators of genome integrity, actively prospected as drug targets for cancer therapy. Among them, PARP3 is well characterized for its functions in double-strand break repair and mitotis. Here we report that PARP3 also plays an integral role in TGF? and reactive oxygen species (ROS) dependent epithelial-to-mesenchymal transition (EMT) and stem-like cell properties in human mammary epithelial and breast cancer cells. PARP3 expression is higher in breast cancer cells of the mesenchymal phenotype and correlates with the expression of the mesenchymal marker Vimentin while being in inverse correlation with the epithelial marker E-cadherin. Furthermore, PARP3 expression is significantly upregulated during TGF?-induced EMT in various human epithelial cells. In line with this observation, PARP3 depletion alters TGF?-dependent EMT of mammary epithelial cells by preventing the induction of the Snail-E-cadherin axis, the dissolution of cell junctions, the acquisition of cell motility and chemoresistance. PARP3 responds to TGF?-induced ROS to promote a TG2-Snail-E-cadherin axis during EMT. Considering the link between EMT and cancer stem cells, we show that PARP3 promotes stem-like cell properties in mammary epithelial and breast cancer cells by inducing the expression of the stem cell markers SOX2 and OCT4, by increasing the proportion of tumor initiating CD44high/CD24low population and the formation of tumor spheroid bodies, and by promoting stem cell self-renewal. These findings point to a novel role of PARP3 in the control of TGF?-induced EMT and acquisition of stem-like cell features and further motivate efforts to identify PARP3 specific inhibitors. |*Epithelial-Mesenchymal Transition/drug effects [MESH] |A549 Cells [MESH] |Antigens, CD [MESH] |Breast Neoplasms/drug therapy/*enzymology/genetics/pathology [MESH] |CD24 Antigen/metabolism [MESH] |Cadherins/genetics/*metabolism [MESH] |Cell Cycle Proteins/genetics/*metabolism [MESH] |Cell Movement [MESH] |Cell Self Renewal [MESH] |Drug Resistance, Neoplasm [MESH] |Etoposide/pharmacology [MESH] |Female [MESH] |GTP-Binding Proteins/genetics/*metabolism [MESH] |Gene Expression Regulation, Neoplastic [MESH] |Hep G2 Cells [MESH] |Humans [MESH] |Hyaluronan Receptors/metabolism [MESH] |Mammary Glands, Human/*enzymology/pathology [MESH] |Neoplastic Stem Cells/drug effects/*enzymology/pathology [MESH] |Octamer Transcription Factor-3/metabolism [MESH] |Phenotype [MESH] |Poly(ADP-ribose) Polymerases/genetics/*metabolism [MESH] |Protein Glutamine gamma Glutamyltransferase 2 [MESH] |RNA Interference [MESH] |Reactive Oxygen Species/*metabolism [MESH] |SOXB1 Transcription Factors/metabolism [MESH] |Signal Transduction [MESH] |Snail Family Transcription Factors/genetics/*metabolism [MESH] |Spheroids, Cellular [MESH] |Time Factors [MESH] |Topoisomerase II Inhibitors/pharmacology [MESH] |Transfection [MESH] |Transforming Growth Factor beta/*metabolism [MESH]PARP3 controls TGF? and ROS driven epithelial-to-mesenchymal transitio(epmc).pdf DeepDyve Pubget Overpricing