Article ; Online: Hippo signaling impairs alveolar epithelial regeneration in pulmonary fibrosis.
2023 Volume 12
Abstract: Idiopathic pulmonary fibrosis (IPF) consists of fibrotic alveolar remodeling and progressive loss of pulmonary function. Genetic and experimental evidence indicates that chronic alveolar injury and failure to properly repair the respiratory epithelium ... ...
Abstract | Idiopathic pulmonary fibrosis (IPF) consists of fibrotic alveolar remodeling and progressive loss of pulmonary function. Genetic and experimental evidence indicates that chronic alveolar injury and failure to properly repair the respiratory epithelium are intrinsic to IPF pathogenesis. Loss of alveolar type 2 (AT2) stem cells or mutations that either impair their self-renewal and/or impair their differentiation into AT1 cells can serve as a trigger of pulmonary fibrosis. Recent reports indicate increased YAP activity in respiratory epithelial cells in IPF lungs. Individual IPF epithelial cells with aberrant YAP activation in bronchiolized regions frequently co-express AT1, AT2, conducting airway selective markers and even mesenchymal or EMT markers, demonstrating 'indeterminate' states of differentiation and suggesting that aberrant YAP signaling might promote pulmonary fibrosis. Yet, Yap and Taz have recently also been shown to be important for AT1 cell maintenance and alveolar epithelial regeneration after |
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MeSH term(s) | Humans ; Hippo Signaling Pathway ; Lung/pathology ; Adaptor Proteins, Signal Transducing/genetics ; Adaptor Proteins, Signal Transducing/metabolism ; Idiopathic Pulmonary Fibrosis/metabolism ; Idiopathic Pulmonary Fibrosis/pathology ; Transcription Factors/metabolism ; Intracellular Signaling Peptides and Proteins/metabolism ; Bleomycin/toxicity ; Bleomycin/metabolism |
Chemical Substances | Adaptor Proteins, Signal Transducing ; Transcription Factors ; Intracellular Signaling Peptides and Proteins ; Bleomycin (11056-06-7) |
Language | English |
Publishing date | 2023-05-11 |
Publishing country | England |
Document type | Journal Article ; Research Support, N.I.H., Extramural |
ZDB-ID | 2687154-3 |
ISSN | 2050-084X ; 2050-084X |
ISSN (online) | 2050-084X |
ISSN | 2050-084X |
DOI | 10.7554/eLife.85092 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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