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Towards constructing a generalized structural 3D breathing human lung model based on experimental volumes, pressures, and strains.
PLoS Comput Biol
January 2025
Department of Mechanical Engineering, University of California Riverside, Riverside, California, United States of America.
Respiratory diseases represent a significant healthcare burden, as evidenced by the devastating impact of COVID-19. Biophysical models offer the possibility to anticipate system behavior and provide insights into physiological functions, advancements which are comparatively and notably nascent when it comes to pulmonary mechanics research. In this context, an Inverse Finite Element Analysis (IFEA) pipeline is developed to construct the first continuously ventilated three-dimensional structurally representative pulmonary model informed by both organ- and tissue-level breathing experiments from a cadaveric human lung.
View Article and Find Full Text PDFCatamenial Pneumothorax-Still an Unveiled Disease.
Medicina (Kaunas)
December 2024
Department of Pneumonology, Medical University of Gdańsk, 80-210 Gdańsk, Poland.
This review presents current opinions on an uncommon condition called catamenial pneumothorax (CP), which is usually associated with thoracic endometriosis syndrome (TES). TES is characterized by the presence of endometriotic lesions in pleura and lung parenchyma and presents with various clinical signs and symptoms, including catamenial pneumothorax. Their diagnosis is often delayed.
View Article and Find Full Text PDFTargeting pleuro-alveolar junctions reverses lung fibrosis in mice.
Nat Commun
January 2025
Institute of Regenerative Biology and Medicine, Chinese Institutes for Medical Research, Beijing, China.
Lung fibrosis development utilizes alveolar macrophages, with mechanisms that are incompletely understood. Here, we fate map connective tissue during mouse lung fibrosis and observe disassembly and transfer of connective tissue macromolecules from pleuro-alveolar junctions (PAJs) into deep lung tissue, to activate fibroblasts and fibrosis. Disassembly and transfer of PAJ macromolecules into deep lung tissue occurs by alveolar macrophages, activating cysteine-type proteolysis on pleural mesothelium.
View Article and Find Full Text PDFANGPTL4 mediated mesothelial-mesenchymal transition in pulmonary fibrosis: a potential therapeutic target.
J Transl Med
December 2024
Department of Respiratory and Critical Care Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
Background: Glycolysis plays a major role in progression of idiopathic pulmonary fibrosis (IPF). Here, we aim to explore the predictive signature based on glycolysis-related genes for predicting the prognosis and identified a potential therapeutic target for IPF.
Methods: Gene expression data of bronchoalveolar lavage (BAL) cells and clinical information were downloaded from the Gene Expression Omnibus database.
Idiopathic pleuroparenchymal fibroelastosis: A review of the previous literature and current knowledge.
Respir Investig
January 2025
Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan. Electronic address:
Idiopathic pleuroparenchymal fibroelastosis (iPPFE) is characterized by upper lobe-dominant fibrosis involving the pleura and subpleural lung parenchyma. Pathologically, it is characterized by parenchymal intra-alveolar fibrosis with marked deposition of elastic fibers and dense thickening of the visceral pleura. Since iPPFE was categorized as a rare idiopathic interstitial pneumonia (IIP) by the America Thoracic Society/European Respiratory Society, several studies have been conducted, revealing an overall picture of iPPFE in terms of epidemiology, clinical manifestations, and mortality, in addition to its radiological and histological characteristics.
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