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10.1074/jbc.M115.706481 http://scihub22266oqcxt.onion/10.1074/jbc.M115.706481 C4865904!4865904 !26961881     free     free     free Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 235.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 269.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 269.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 269.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26961881 .jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117       J+Biol+Chem 2016 ; 291 (20 ): 10541-50 Nephropedia Template TP {{tp|p=26961881 |t=2016. Different Roles of Negative and Positive Components of the Circadian Clock in Oncogene-induced Neoplastic Transformation |pdf=|usr=}}{{26961881 }} gab.com Text Different Roles of Negative and Positive Components of the Circadian Clock in Oncogene-induced Neoplastic Transformation JO: J Biol Chem http://www.kidney.de/pget.php?&tw=1&pmid=26961881 #FOAvip In mammals, circadian rhythms in physiological function are generated by a molecular oscillator driven by transcriptional-translational feedback loop consisting of negative and positive regulators. Disruption of this circadian clock machinery is thought to increase the risk of cancer development, but the potential contributions of each component of circadian clock to oncogenesis have been little explored. Here we reported that negative and positive transcriptional regulators of circadian feedback loop had different roles in oncogene-induced neoplastic transformation. Mouse embryonic fibroblasts prepared from animals deficient in negative circadian clock regulators, Period2 (Per2) or Cryptochrome1/2 (Cry1/2), were prone to transformation induced by co-expression of H-ras(V12) and SV40 large T antigen (SV40LT). In contrast, mouse embryonic fibroblasts prepared from mice deficient in positive circadian clock regulators, Bmal1 or Clock, showed resistance to oncogene-induced transformation. In Per2 mutant and Cry1/2-null cells, the introduction of oncogenes induced expression of ATF4, a potent repressor of cell senescence-associated proteins p16INK4a and p19ARF. Elevated levels of ATF4 were sufficient to suppress expression of these proteins and drive oncogenic transformation. Conversely, in Bmal1-null and Clock mutant cells, the expression of ATF4 was not induced by oncogene introduction, which allowed constitutive expression of p16INK4a and p19ARF triggering cellular senescence. Although genetic ablation of either negative or positive transcriptional regulators of the circadian clock leads to disrupted rhythms in physiological functions, our findings define their different contributions to neoplastic cellular transformation. Twit Text FOAVip Different Roles of Negative and Positive Components of the Circadian Clock in Oncogene-induced Neoplastic Transformation ????J Biol Chem http://www.kidney.de/pget.php?&tw=1&pmid=26961881 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26961881 #FOAvip English Wikipedia <ref>{{Cite pmid|26961881 }}</ref> Different Roles of Negative and Positive Components of the Circadian Clock in Oncogene-induced Neoplastic Transformation #MMPMID26961881 Katamune C ; Koyanagi S ; Shiromizu S ; Matsunaga N ; Shimba S ; Shibata S ; Ohdo S J Biol Chem 2016[May]; 291 (20 ): 10541-50 PMID26961881 show ga In mammals, circadian rhythms in physiological function are generated by a molecular oscillator driven by transcriptional-translational feedback loop consisting of negative and positive regulators. Disruption of this circadian clock machinery is thought to increase the risk of cancer development, but the potential contributions of each component of circadian clock to oncogenesis have been little explored. Here we reported that negative and positive transcriptional regulators of circadian feedback loop had different roles in oncogene-induced neoplastic transformation. Mouse embryonic fibroblasts prepared from animals deficient in negative circadian clock regulators, Period2 (Per2) or Cryptochrome1/2 (Cry1/2), were prone to transformation induced by co-expression of H-ras(V12) and SV40 large T antigen (SV40LT). In contrast, mouse embryonic fibroblasts prepared from mice deficient in positive circadian clock regulators, Bmal1 or Clock, showed resistance to oncogene-induced transformation. In Per2 mutant and Cry1/2-null cells, the introduction of oncogenes induced expression of ATF4, a potent repressor of cell senescence-associated proteins p16INK4a and p19ARF. Elevated levels of ATF4 were sufficient to suppress expression of these proteins and drive oncogenic transformation. Conversely, in Bmal1-null and Clock mutant cells, the expression of ATF4 was not induced by oncogene introduction, which allowed constitutive expression of p16INK4a and p19ARF triggering cellular senescence. Although genetic ablation of either negative or positive transcriptional regulators of the circadian clock leads to disrupted rhythms in physiological functions, our findings define their different contributions to neoplastic cellular transformation. |*Oncogenes [MESH] |ARNTL Transcription Factors/deficiency/genetics [MESH] |Activating Transcription Factor 4/genetics/metabolism [MESH] |Animals [MESH] |CLOCK Proteins/genetics/metabolism [MESH] |Cell Movement/genetics [MESH] |Cell Transformation, Neoplastic/*genetics/metabolism [MESH] |Cellular Senescence/genetics [MESH] |Circadian Clocks/*genetics [MESH] |Cryptochromes/deficiency/genetics [MESH] |Mice [MESH] |Mice, Inbred ICR [MESH] |Mice, Inbred NOD [MESH] |Mice, Knockout [MESH] |Mice, Mutant Strains [MESH] |Mice, SCID [MESH] |Mutant Proteins/genetics/metabolism [MESH]Different Roles of Negative and Positive Components of the Circadian C(epmc).pdf DeepDyve Pubget Overpricing