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Genome-wide association studies (GWAS) have identified genetic variants robustly associated with asthma. A potential near-term clinical application is to calculate polygenic risk score (PRS) to improve disease risk prediction. The value of PRS, as part of numerous multi-source variables used to define asthma, remains unclear.
View Article and Find Full Text PDFIntroduction Bronchoscopic spray cryotherapy (SCT) is a novel treatment showing promise for chronic bronchitis (CB), characterized by excessive mucus secretion and productive cough. A large animal model for preclinical research of SCT is lacking, and its treatment's efficacy and mechanisms for CB are not well understood. Methods Eight Labradors were exposed to 200 ppm SO2 for 6 months to develop a CB model.
View Article and Find Full Text PDFIncreased neutrophil elastase in affected lobes of bronchiectasis and correlation of its levels between sputum and bronchial lavage fluid.
Tuberc Respir Dis (Seoul)
January 2025
Division of Molecular and Clinical Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, UK.
Background: Neutrophil elastase (NE) has been proposed as a potential biomarker for evaluating the severity and prognosis of bronchiectasis. This study aimed to compare bronchial lavage quantification of NE levels and activities with those of sputum.
Methods: A cross-sectional study was conducted in which 24 Vietnamese adults with bronchiectasis were enrolled from June 2023 to August 2023.
Pathogen delivery route impacts disease severity in experimental Mycoplasma ovipneumoniae infection of domestic lambs.
Vet Res
January 2025
Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT, USA.
M. ovipneumoniae is a respiratory pathogen that can cause mild to moderate pneumonia and reduced productivity in domestic lambs. However, studies on both natural and experimental M.
View Article and Find Full Text PDFBronchial structural changes analyzed with three-dimensional computed tomography correlate with severe acute graft-versus-host disease after allogenic hematopoietic stem cell transplantation.
Ann Hematol
January 2025
Third Department of Internal Medicine, Yamaguchi University Hospital, 1-1-1 Minamikogushi, Ube, Yamaguchi, 755-8505, Japan.
Severe acute graft-versus-host disease (GVHD) can occur during allogeneic hematopoietic stem cell transplantation (allo-HSCT), causing considerable morbidity and mortality. Although several biomarkers have been reported for predicting acute GVHD, they are often difficult to measure in routine clinical practice. Recently, three-dimensional computed tomography (3D-CT) has been used to quantify the detailed bronchial structure, which might correlate with acute GVHD.
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