Title : Integrin-linked kinase mediates the hydrogen peroxide-dependent transforming growth factor-β1 up-regulation.

Pub. Date : 2013 Aug

PMID : 23624332






9 Functional Relationships(s)
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1 Thus, we propose here that hydrogen peroxide (H2O2)-dependent TGF-beta1 regulation may be mediated by ILK activation. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
2 Thus, we propose here that hydrogen peroxide (H2O2)-dependent TGF-beta1 regulation may be mediated by ILK activation. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
3 First we confirmed the increase in TGF-beta1 expression in human mesangial cells (HMC) after treatment with H2O2 or with an alternative H2O2-generating system such as the glucose-oxidase enzyme (GOX). Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
4 First we confirmed the increase in TGF-beta1 expression in human mesangial cells (HMC) after treatment with H2O2 or with an alternative H2O2-generating system such as the glucose-oxidase enzyme (GOX). Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
5 By using immunoblotting, immunofluorescence, and ELISA techniques, we demonstrate that extracellular H2O2 up-regulates TGF-beta1 transcription, as well as increases TGF-beta1 promoter activity. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
6 By using immunoblotting, immunofluorescence, and ELISA techniques, we demonstrate that extracellular H2O2 up-regulates TGF-beta1 transcription, as well as increases TGF-beta1 promoter activity. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
7 Furthermore, catalase-decreased intracellular H2O2 abolished TGF-beta1 up-regulation. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
8 The use of pharmacological inhibitors as well as knockdown of ILK with small interfering RNA (siRNA) demonstrated the implication of a PI3K/ILK/AKT/ERK MAPK signaling pathway axis in the H2O2-induced TGF-beta1 overexpression. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens
9 In summary, our results provide evidence that ILK activity changes may act as a mechanism in response to different stimuli such as H2O2 in the induced TGF-beta1 up-regulation in pathological or even physiological conditions. Hydrogen Peroxide transforming growth factor beta 1 Homo sapiens