Related Experiment Video
Updated: Oct 5, 2025

A Silicosis Mouse Model Established by Repeated Inhalation of Crystalline Silica Dust
Published on: January 6, 2023
Epigenetic Changes and Functions in Pneumoconiosis.
Yiping Li1, Zhiwei Cheng2, Hui Fan3
1Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, No. 100 Science Avenue, Zhengzhou City, Henan Province, China.
Pneumoconiosis, a lung disease, shares traits with COVID-19 and fibrosis. Epigenetic changes like DNA methylation and noncoding RNA influence its development, offering potential therapeutic targets.
Area of Science:
- Occupational Medicine
- Pulmonary Medicine
- Epigenetics
Background:
- Pneumoconiosis is a prevalent occupational disease with significant socioeconomic impact.
- Lack of specific treatments for pneumoconiosis necessitates understanding its pathogenesis.
- Pulmonary fibrosis, a common feature in pneumoconiosis, COVID-19, and idiopathic pulmonary fibrosis, involves excessive extracellular matrix deposition and tissue remodeling.
Purpose of the Study:
- To elucidate the role of epigenetic factors in the pathogenesis of pneumoconiosis.
- To identify potential therapeutic targets for pneumoconiosis and related fibrotic lung diseases.
Main Methods:
- Review of epidemiological investigations, in vivo, and in vitro experimental evidence.
- Analysis of epigenetic changes (DNA methylation, noncoding RNA) in key lung cells (macrophages, fibroblasts, alveolar epithelial cells).
Main Results:
- Epigenetic alterations are integral to the occurrence and progression of pneumoconiosis.
- Specific epigenetic mechanisms can either promote or inhibit pneumoconiosis development.
- Evidence highlights the involvement of macrophages, fibroblasts, and alveolar epithelial cells in these epigenetic processes.
Conclusions:
- Epigenetic modifications are crucial in pneumoconiosis pathogenesis.
- Understanding these epigenetic changes provides insights for developing targeted therapies for pneumoconiosis.
- Findings may also inform treatment strategies for other pulmonary fibrosis conditions.
Related Concept Videos
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Pneumonia II: Pathophysiology
Epigenetic Regulation
X-chromosome...
Pneumonia III: Complications and Assessment
COPD: Pathogenesis and Clinical Features
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...
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...

