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Silica-exposed patients with silicosis show shorter telomeres than do unexposed individuals: a pilot study in a population in southeastern Brazil.
J Bras Pneumol
January 2025
. Departamento de Biologia Geral, Universidade Federal Fluminense, Niterói (RJ) Brasil.
Objective: Silicosis is a pneumoconiosis characterized by fibrosis of the lung parenchyma caused by the inhalation of silica particles. Silica dust inhalation is associated with inflammation and induction of oxidative stress in the lungs. This oxidative stress affects telomeres, which are short tandem DNA repeats that cap the end of linear chromosomes.
View Article and Find Full Text PDFAnalysis of Mortality and Life Expectancy Determinants Among 5,791 Deceased Pneumoconiosis Patients - Jiangsu Province, China, 2011-2023.
China CDC Wkly
December 2024
Department of Epidemiology, School of Public Health, Nanjing Medical University, Nanjing City, Jiangsu Province, China.
Pneumoconiosis is the occupational disease with the highest proportion in China. This study conducted a retrospective analysis of 5,791 deceased pneumoconiosis patients. In this study, males comprised 93.
View Article and Find Full Text PDFInhalation of crystalline silica particles causes silicosis, which is a severe inflammatory lung disease that is associated with granulomatous and fibrotic responses. We investigated whether silica-induced silicosis might promote airway hyperreactivity (AHR) and the role of TNF-α and thalidomide in this process. Mice received an intranasal instillation of silica particles (1.
View Article and Find Full Text PDFHyperacute silicosis after bronchoscopy-induced melanoptysis in a lung transplant patient. A first report in literature.
Interdiscip Cardiovasc Thorac Surg
January 2025
Critical Care Department, Finis Terrae University. Santiago, Chile.
Silicosis, a fibrotic lung disease caused by crystalline silica inhalation, presents unique challenges in lung transplantation. This case reports an unprecedented complication in a lung transplant recipient with chronic silicosis. A man in his 60 s, post left single-lung transplantation for silica-induced pneumoconiosis, developed acute respiratory deterioration following routine bronchoscopy.
View Article and Find Full Text PDFCoenzyme Q10 Alleviates Silicosis Fibrosis Inhibiting Ferroptosis in Mice.
In Vivo
December 2024
College of Biology, Hunan University, Changsha, P.R. China;
Background/aim: Silicosis, the most severe type of occupational pneumoconiosis, leads to diffuse pulmonary fibrosis without specific therapy. Ferroptosis is triggered by reactive oxygen species (ROS) and Fe overload-induced lipid peroxidation, which is involved in the progression of pulmonary fibrosis. As an important coenzyme in the process of aerobic respiration, Coenzyme Q10 (CoQ10) can enhance mitochondrial function and energy supply and reduce malondialdehyde (MDA) to limit the risk of fibrosis.
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