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10.1152/ajplung.00079.2015 http://scihub22266oqcxt.onion/10.1152/ajplung.00079.2015 C4572418!4572418!26186945     free     free     free Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 219.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 253.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Am+J+Physiol+Lung+Cell+Mol+Physiol 2015 ; 309 (6): L552-61 Nephropedia Template TP {{tp|p=26186945|t=2015. Reduced FoxO3a expression causes low autophagy in idiopathic pulmonary fibrosis fibroblasts on collagen matrices |pdf=|usr=}}{{26186945}} gab.com Text Reduced FoxO3a expression causes low autophagy in idiopathic pulmonary fibrosis fibroblasts on collagen matrices JO: Am J Physiol Lung Cell Mol Physiol http://www.kidney.de/pget.php?&tw=1&pmid=26186945 #FOAvip Idiopathic pulmonary fibrosis (IPF) is a chronic and fatal lung disease, and fibroblasts derived from patients with IPF are resistant to type I collagen matrix-induced cell death. The alteration of the PTEN-Akt axis permits IPF fibroblasts to maintain a pathological phenotype on collagen by suppressing autophagy. However, the precise underlying mechanism by which the Akt downstream molecule suppresses autophagic activity remains elusive. FoxO3a is a direct target of Akt and is implicated with the transcriptional activation of autophagy. Therefore, we investigated whether reduced FoxO3a expression causes abnormally low autophagy in IPF fibroblasts on collagen. We found that FoxO3a mRNA and protein levels are low in IPF fibroblasts, which subsequently suppresses the autophagosomal marker LC3B expression on collagen matrix. In contrast, the majority of control fibroblasts showed an increase in FoxO3a and LC3B expression at both the mRNA and protein levels. The luciferase assay confirmed that FoxO3a binds to the promoter region of LC3B and transcriptionally activates LC3B. The overexpression of wild-type FoxO3a increased LC3B mRNA and protein expression in IPF fibroblasts, whereas the dominant negative FoxO3a decreased the LC3B level in control fibroblasts. The inhibition of autophagic activity sensitized control fibroblasts to collagen matrix-induced cell death. In contrast, enhanced viability was found when autophagic function was inhibited in IPF fibroblasts. Our study showed that aberrantly low FoxO3a expression participates in reducing autophagic activity via transcriptional suppression of LC3B in IPF fibroblasts on collagen. This suggests that low autophagic activity by the alteration of FoxO3a may contribute to IPF progression. Twit Text FOAVip Reduced FoxO3a expression causes low autophagy in idiopathic pulmonary fibrosis fibroblasts on collagen matrices ????Am J Physiol Lung Cell Mol Physiol http://www.kidney.de/pget.php?&tw=1&pmid=26186945 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26186945 #FOAvip English Wikipedia <ref>{{Cite pmid|26186945}}</ref> Reduced FoxO3a expression causes low autophagy in idiopathic pulmonary fibrosis fibroblasts on collagen matrices #MMPMID26186945 Im J; Hergert P; Nho RS Am J Physiol Lung Cell Mol Physiol 2015[Sep]; 309 (6): L552-61 PMID26186945show ga Idiopathic pulmonary fibrosis (IPF) is a chronic and fatal lung disease, and fibroblasts derived from patients with IPF are resistant to type I collagen matrix-induced cell death. The alteration of the PTEN-Akt axis permits IPF fibroblasts to maintain a pathological phenotype on collagen by suppressing autophagy. However, the precise underlying mechanism by which the Akt downstream molecule suppresses autophagic activity remains elusive. FoxO3a is a direct target of Akt and is implicated with the transcriptional activation of autophagy. Therefore, we investigated whether reduced FoxO3a expression causes abnormally low autophagy in IPF fibroblasts on collagen. We found that FoxO3a mRNA and protein levels are low in IPF fibroblasts, which subsequently suppresses the autophagosomal marker LC3B expression on collagen matrix. In contrast, the majority of control fibroblasts showed an increase in FoxO3a and LC3B expression at both the mRNA and protein levels. The luciferase assay confirmed that FoxO3a binds to the promoter region of LC3B and transcriptionally activates LC3B. The overexpression of wild-type FoxO3a increased LC3B mRNA and protein expression in IPF fibroblasts, whereas the dominant negative FoxO3a decreased the LC3B level in control fibroblasts. The inhibition of autophagic activity sensitized control fibroblasts to collagen matrix-induced cell death. In contrast, enhanced viability was found when autophagic function was inhibited in IPF fibroblasts. Our study showed that aberrantly low FoxO3a expression participates in reducing autophagic activity via transcriptional suppression of LC3B in IPF fibroblasts on collagen. This suggests that low autophagic activity by the alteration of FoxO3a may contribute to IPF progression. äReduced FoxO3a expression causes low autophagy in idiopathic pulmonary(epmc).pdf DeepDyve Pubget Overpricing