Objective: To investigate the relationship between psoriasis and interstitial pneumonia (IP).
Patients And Methods: We analyzed the clinical data of patients with psoriasis treated with biologic agents from June 1, 2008, to June 30, 2017, retrospectively. Chest computed tomography was performed in 392 patients before treatment. The clinical characteristics and radiographic findings of these patients were evaluated.
Results: Of the 392 patients with psoriasis, IP was detected in 8 patients (2%). Bilateral ground-glass and/or irregular linear (reticular) opacity in the lower lung zone was the most common chest computed tomography finding. Five of the 8 patients with IP were treated with anti-interleukin (IL) 12/IL-23 or IL-17 antibodies, leading to decreased or stable IP activity.
Conclusion: Interstitial pneumonia was detected in 2% of patients with psoriasis who needed systemic treatments. Ground-glass and/or irregular linear (reticular) opacity in the bilateral lower lobes was characteristic of IP with psoriasis. The IL-23/IL-17 axis may play important roles in the pathogenesis of IP in psoriasis.
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http://dx.doi.org/10.1016/j.mayocpiqo.2018.07.006 | DOI Listing |
Respir Med Case Rep
December 2024
Division of Environmental and Occupational Health Sciences, National Jewish Health, Denver, CO, USA.
Dendriform pulmonary ossification (DPO) is a rare condition characterized by mature bone formation in the lung. DPO has been linked to various conditions, but little is known about the link between DPO and hazardous airborne exposures. We queried research databases of military personnel evaluated for deployment-related respiratory diseases at two occupational pulmonary medicine clinics (Colorado, USA) for diagnoses of DPO, and summarized demographics, Gulf War military deployment history, medical history, and pulmonary function testing.
View Article and Find Full Text PDFRespir Res
January 2025
Department for Pulmonary Medicine, Allergology and Clinical Immunology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
Introduction: Fibrotic cocktail (FC) is a combination of pro-fibrotic and pro-inflammatory mediators that induces early fibrotic changes in organotypic lung models. We hypothesised that transforming growth factor beta 1 (TGF-β1) alone induces a pro-fibrotic effect similar to FC. Our aim was to compare the pro-fibrotic effects of TGF-β1 with FC in human precision-cut lung slices (PCLS).
View Article and Find Full Text PDFSci Rep
January 2025
Department of Occupational Pneumology, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahata-nishi-ku, Kitakyushu, Fukuoka, 807-8555, Japan.
Polyacrylic acid (PAA) with different concentrations of cross-linker was instilled into the trachea of rats to examine the effect of PAA crosslink density on lung disorders. Methods: F344 rats were intratracheally exposed to low and high doses of PAA with cross-linker concentrations of 0.1, 1.
View Article and Find Full Text PDFNat Commun
January 2025
Functional Genomics & Bioinformatics Laboratory, Department of Animal Science and Technology, Chung-Ang University, Anseong, Gyeonggi-do, 17546, Republic of Korea.
Porcine reproductive and respiratory syndrome virus (PRRSV) causes significant economic losses in the global swine industry due to its high genetic diversity and different virulence levels, which complicate disease management and vaccine development. This study evaluated longitudinal changes in the immune cell composition of bronchoalveolar lavage fluid and the clinical outcomes across PRRSV strains with varying virulence, using techniques including single-cell transcriptomics. In highly virulent infection, faster viral replication results in an earlier peak lung-damage time point, marked by significant interstitial pneumonia, a significant decrease in macrophages, and an influx of lymphocytes.
View Article and Find Full Text PDFJ Occup Environ Med
January 2025
Department of Research for Occupational Health, Institute of Occupation and Environment, Korea Workers' compensation & Welfare Service, Incheon, Republic of Korea.
Objective: This study aimed to share the process of epidemiologic survey and demonstrate the decisive factors for evaluating work-related Idiopathic interstitial pneumonias (IIPs) in Korea.
Methods: Data and reports of epidemiologic surveys were investigated and completed during 2010-2022.
Results: A total of 228 idiopathic pulmonary fibrosis (IPF) cases requested for an epidemiologic survey, of which 153 (67.
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