Related Experiment Video
Updated: May 5, 2026
07:26
Studying Left Ventricular Reverse Remodeling by Aortic Debanding in Rodents
Published on: July 14, 2021
4.6K
Lung remodeling mechanisms in chronic lung diseases
1University Hospital Basel, Basel, Switzerland.
Current Opinion in Allergy and Clinical Immunology
|December 7, 2013
Summary
Tissue remodeling in lung diseases involves cellular changes and extracellular matrix alterations. Transforming growth factor-beta (TGF-β) is key, but its specific activation and effects vary by disease and cell type.
Area of Science:
- Pulmonary Medicine
- Cell Biology
- Pathology
Background:
- Tissue remodeling, encompassing cellular differentiation and extracellular matrix changes, is central to lung diseases.
- Understanding the triggers and regulation of these remodeling processes is crucial for disease management.
Purpose of the Study:
- To review current knowledge on tissue remodeling in lung diseases.
- To investigate whether a single trigger initiates all remodeling aspects or if they are independently regulated.
Main Methods:
- Review of recent clinical and experimental studies.
- Analysis of evidence regarding the role of transforming growth factor-beta (TGF-β).
Main Results:
- Evidence suggests remodeling susceptibility can be initiated early in life and reactivated by environmental factors.
- Transforming growth factor-beta (TGF-β) plays a critical role in remodeling and fibrosis pathogenesis.
- TGF-β activation pathways and effects show disease- and cell-specific patterns.
- Current animal models inadequately represent human lung diseases, necessitating improvement.
Conclusions:
- The central role of TGF-β in pathological remodeling and fibrosis is confirmed.
- Further research is needed to understand TGF-β activation triggers and its disease/cell-specific mechanisms.
- Redefining 'tissue remodeling' in a disease- and cell-type-specific manner is recommended based on clinical data.
Related Concept Videos
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
5.0K
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
5.0K
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
40
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...
40
01:23Chronic Obstructive Pulmonary Disease II: Emphysema
48
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.
48
01:25Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
4.0K
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:
4.0K
01:12Chronic Inflammation: Introduction
41
Chronic inflammation is a prolonged, dysregulated immune response that persists for weeks to years when the inciting stimulus is difficult to eradicate or when self‑antigens drive ongoing reactivity. Morphologically, it is defined by mononuclear cell infiltration, progressive tissue destruction, and concurrent attempts at healing via angiogenesis and fibrosis. Compared with acute inflammation, edema is less prominent while cellular infiltration predominates; triggers include persistent...
41
01:29Heart Failure II: Pathophysiology
1.9K
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
1.9K