期刊
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
卷 22, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/ijms22137012
关键词
pulmonary fibrosis; senescence; senolytics; senomorphics; aging
资金
- Department of Health of the Generalitat de Catalunya [SLT008/18/00176]
- Instituto de Salud Carlos III, FEDER Funds [PI17/00369, PI18/1008, PI19/01152]
- Miguel Servet Research [CP16/00039]
Fibrosing interstitial lung diseases are chronic and fatal lung diseases characterized by the irreversible accumulation of scar tissue in the lung tissue. Cellular senescence, defined as a cell fate decision caused by unrepairable cellular damage, plays an important role in the initiation and progression of pulmonary fibrosis, likely by promoting molecular and cellular changes in chronic fibrosing processes. Targeting cellular senescence may be a potential therapeutic approach for treating fibrosing ILDs.
Fibrosing interstitial lung diseases (ILDs) are chronic and ultimately fatal age-related lung diseases characterized by the progressive and irreversible accumulation of scar tissue in the lung parenchyma. Over the past years, significant progress has been made in our incomplete understanding of the pathobiology underlying fibrosing ILDs, in particular in relation to diverse age-related processes and cell perturbations that seem to lead to maladaptation to stress and susceptibility to lung fibrosis. Growing evidence suggests that a specific biological phenomenon known as cellular senescence plays an important role in the initiation and progression of pulmonary fibrosis. Cellular senescence is defined as a cell fate decision caused by the accumulation of unrepairable cellular damage and is characterized by an abundant pro-inflammatory and pro-fibrotic secretome. The senescence response has been widely recognized as a beneficial physiological mechanism during development and in tumour suppression. However, recent evidence strengthens the idea that it also drives degenerative processes such as lung fibrosis, most likely by promoting molecular and cellular changes in chronic fibrosing processes. Here, we review how cellular senescence may contribute to lung fibrosis pathobiology, and we highlight current and emerging therapeutic approaches to treat fibrosing ILDs by targeting cellular senescence.
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