Related Experiment Video
Updated: Jun 10, 2026
04:44
Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
Published on: June 16, 2020
Recent advances in pulmonary fibrosis: implications for scleroderma.
Robert J Homer1, Erica L Herzog
1Department of Pathology, Yale University School of Medicine, New Haven, Connecticut 06510, USA.
Current Opinion in Rheumatology
|August 10, 2010
Summary
Understanding pulmonary fibrosis, a lung scarring disease, is crucial. Recent studies reveal key mechanisms involving cell injury, immune cells, and aging, offering hope for new scleroderma-related treatments.
Area of Science:
- Pulmonary Medicine
- Immunology
- Cell Biology
Background:
- Pulmonary fibrosis is a group of lung diseases marked by scarring.
- Its causes are not fully understood, and effective treatments are lacking.
- It is a major cause of death in systemic sclerosis patients.
Purpose of the Study:
- To explore the mechanisms driving pulmonary fibrosis, particularly in systemic sclerosis.
- To identify potential therapeutic targets for scleroderma-related lung disease.
Main Methods:
- Review of animal models and translational human studies.
- Analysis of recent developments in fibrotic lung disease research.
Main Results:
- Epithelial cell injury, endoplasmic reticulum stress, and Wnt signaling are implicated.
- Alternatively activated macrophages, efferocytosis, and fibroblast origins (including EMT) are key.
- Cellular senescence, aging, and lymphocyte roles in fibrosis are emerging.
Conclusions:
- Understanding epithelial cell injury, macrophage activation, fibroblast sources, senescence, and lymphocyte function is vital.
- These insights may illuminate the pathogenesis of scleroderma-related pulmonary fibrosis.
- Novel therapeutic strategies may arise from these mechanistic discoveries.
Related Concept Videos
01:30Pulmonary Hypertension: Classification and Pathogenesis
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
There are various classifications for PH, each relating to different underlying causes and also...
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
01:20COPD: Pathogenesis and Clinical Features
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
01:23Chronic Obstructive Pulmonary Disease II: Emphysema
Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.