期刊
CELLS
卷 10, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/cells10102763
关键词
idiopathic pulmonary fibrosis (IPF); chronic obstructive pulmonary disease (COPD); coronavirus; COVID-19; epithelial damage; necrosis; necroptosis; damage-associated molecular patterns (DAMPs); senescence; lung
类别
资金
- MRC [MR/R023026/1]
- Pfizer
- MRC [MR/R023026/1] Funding Source: UKRI
Pulmonary epithelial cells play a crucial role in lung diseases, with aberrant death and damage contributing to immune response dysregulation, tissue destruction, and abnormal remodeling.
Pulmonary epithelial cells are widely considered to be the first line of defence in the lung and are responsible for coordinating the innate immune response to injury and subsequent repair. Consequently, epithelial cells communicate with multiple cell types including immune cells and fibroblasts to promote acute inflammation and normal wound healing in response to damage. However, aberrant epithelial cell death and damage are hallmarks of pulmonary disease, with necrotic cell death and cellular senescence contributing to disease pathogenesis in numerous respiratory diseases such as idiopathic pulmonary fibrosis (IPF), chronic obstructive pulmonary disease (COPD) and coronavirus disease (COVID)-19. In this review, we summarise the literature that demonstrates that epithelial damage plays a pivotal role in the dysregulation of the immune response leading to tissue destruction and abnormal remodelling in several chronic diseases. Specifically, we highlight the role of epithelial-derived damage-associated molecular patterns (DAMPs) and senescence in shaping the immune response and assess their contribution to inflammatory and fibrotic signalling pathways in the lung.
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