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Lung Fibrosis and Fibrosis in the Lungs: Is It All about Myofibroblasts?
Elena Ortiz-Zapater1, Jaime Signes-Costa2, Paula Montero3
1Department of Biochemistry and Molecular Biology, Faculty of Medicine-IIS INCLIVA, University of Valencia, 46010 Valencia, Spain.
Abstract:
In the lungs, fibrosis is a growing clinical problem that results in shortness of breath and can end up in respiratory failure. Even though the main fibrotic disease affecting the lung is idiopathic pulmonary fibrosis (IPF), which affects the interstitial space, there are many fibrotic events that have high and dangerous consequences for the lungs. Asthma, chronic obstructive pulmonary disease (COPD), excessive allergies, clearance of infection or COVID-19, all are frequent diseases that show lung fibrosis. In this review, we describe the different kinds of fibrosis and analyse the main types of cells involved-myofibroblasts and other cells, like macrophages-and review the main fibrotic mechanisms. Finally, we analyse present treatments for fibrosis in the lungs and highlight potential targets for anti-fibrotic therapies.
Insights
Lung fibrosis, including idiopathic pulmonary fibrosis (IPF), causes shortness of breath and respiratory failure. This review covers lung fibrosis types, involved cells like myofibroblasts, mechanisms, and potential anti-fibrotic therapies.
Area of Science:
- Pulmonary Medicine
- Cell Biology
- Pathology
Background:
- Lung fibrosis is a significant clinical issue, leading to shortness of breath and potential respiratory failure.
- Idiopathic pulmonary fibrosis (IPF) is a primary interstitial lung disease, but other conditions like asthma, COPD, allergies, and infections (including COVID-19) also cause lung fibrosis.
Purpose of the Study:
- To review the diverse types of lung fibrosis.
- To analyze the key cellular players in lung fibrosis, such as myofibroblasts and macrophages.
- To examine the underlying fibrotic mechanisms and current therapeutic strategies, identifying potential anti-fibrotic targets.
Main Methods:
- Literature review of existing research on lung fibrosis.
- Analysis of cellular and molecular mechanisms driving fibrotic processes.
- Evaluation of current treatment modalities and emerging therapeutic targets.
Main Results:
- Lung fibrosis encompasses various conditions beyond IPF, impacting lung function severely.
- Myofibroblasts and macrophages are central to fibrotic pathogenesis.
- Understanding fibrotic mechanisms is crucial for developing effective anti-fibrotic therapies.
Conclusions:
- Lung fibrosis is a complex condition with multiple causes and significant clinical impact.
- Targeting key cells and pathways involved in fibrosis offers promise for new treatments.
- Further research into anti-fibrotic therapies is essential for managing lung fibrosis effectively.
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