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The cross-talk between TGF-b and periostin can be targeted for pulmonary fibrosis

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Homo sapiens

PROVIDER: GSE124782 | GEO | 2019/09/17

REPOSITORIES: GEO

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The cross-talk between TGF-b and periostin can be targeted for pulmonary fibrosis [AR2819]

Project description:Idiopathic pulmonary fibrosis (IPF) is a devastating disease characterized as progressive and irreversible fibrosis in the interstitium of lung tissues. There is still an unmet need to develop a novel therapeutic drug for IPF. We have previously demonstrated that periostin, a matricellular protein, plays an important role in the pathogenesis of pulmonary fibrosis. However, the underlying mechanism of how periostin causes pulmonary fibrosis remains unclear. In this study, we sought to see whether the cross-talk between transforming growth factor-b (TGF-b), a central mediator in the pathogenesis of pulmonary fibrosis, and periostin in lung fibroblasts leads to generation of pulmonary fibrosis and whether taking advantage of the cross-talk between TGF-b and periostin, inhibitors for integrin aVb3, a periostin receptor, can block pulmonary fibrosis in the model mice. We found that there exists a cross-talk between TGF-b and periostin signals via aVb3/b5 converging into Smad3. This cross-talk is important for expression of several downstream molecules of TGF-b including serpin family E member 1, CCN family member 2/connective tissue growth factor, insulin-like growth factor binding protein-3, and IL-11, all of which have been already shown to be important for pulmonary fibrosis. We, moreover, found several potent integrin inhibitors to block the cross-talking with TGF-b signals and CP4715, one of the compounds, improved bleomycin-induced pulmonary fibrosis in mice. These results suggest that the cross-talk between TGF-b and periostin can be targeted for pulmonary fibrosis and that CP4715 can be a potential therapeutic agent to block the cross-talk between TGF-b and periostin.

2019-09-17 | GSE124780 | GEO

The cross-talk between TGF-b and periostin can be targeted for pulmonary fibrosis [AR2857]

2019-09-17 | GSE124781 | GEO