ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis

Abstract Objective Idiopathic pulmonary fibrosis (IPF), which radiologically/pathologically manifests mainly as usual interstitial pneumonia (UIP), is easily confused with chronic hypersensitivity pneumonitis (CHP) and collagenous vascular disease in clinical settings, affecting the physician’s diag...

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Main Authors: Zhangyang Bi, Xiaodong Wang, Xue Liu, Xue Zhu, Guodong Zang, Li Tian, Wei Zhang
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-01459-4
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author Zhangyang Bi
Xiaodong Wang
Xue Liu
Xue Zhu
Guodong Zang
Li Tian
Wei Zhang
author_facet Zhangyang Bi
Xiaodong Wang
Xue Liu
Xue Zhu
Guodong Zang
Li Tian
Wei Zhang
author_sort Zhangyang Bi
collection DOAJ
description Abstract Objective Idiopathic pulmonary fibrosis (IPF), which radiologically/pathologically manifests mainly as usual interstitial pneumonia (UIP), is easily confused with chronic hypersensitivity pneumonitis (CHP) and collagenous vascular disease in clinical settings, affecting the physician’s diagnosis and treatment. Accurate identification of IPF from various diseases presenting as UIP is essential for effective diagnosis and therapy. Methods Gene expression data of CHP, IPF, and rheumatoid arthritis-UIP samples were downloaded from the GEO database, and specific biomarkers were identified to differentiate idiopathic UIP/IPF from secondary UIP. We compared gene expression of specific biomarkers between control, secondary UIP, and IPF groups. The mechanism of specific biomarkers in PF was explored by immunohistochemistry, quantitative polymerase chain reaction, immunofluorescence, and flow cytometry. Results We identified integrin alpha V (ITGAV) as a specific biomarker for distinguishing IPF from secondary UIP. We observed a gradual increase in ITGAV expression across the control, secondary UIP, and IPF groups. Animal studies indicated that the elevated expression of ITGAV in various immune cells, particularly in monocyte-derived macrophages, contributed to the development of PF. Conclusion ITGAV is a specific biomarker linked to the pathogenesis of IPF. The identification of ITGAV provides new perspectives for clinical diagnosis, mechanistic studies and new drug development in IPF.
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spelling doaj-art-2a95bd6f898b4612a7e3a7126cdbfa382025-08-20T01:51:31ZengNature PortfolioScientific Reports2045-23222025-05-0115111610.1038/s41598-025-01459-4ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosisZhangyang Bi0Xiaodong Wang1Xue Liu2Xue Zhu3Guodong Zang4Li Tian5Wei Zhang6Clinical Department of Integrated Traditional Chinese and Western Medicine, The First Clinical Medical College of Shandong, University of Traditional Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineDepartment of Respiratory and Critical Care Medicine, Affiliated Hospital of Shandong University of Chinese MedicineAbstract Objective Idiopathic pulmonary fibrosis (IPF), which radiologically/pathologically manifests mainly as usual interstitial pneumonia (UIP), is easily confused with chronic hypersensitivity pneumonitis (CHP) and collagenous vascular disease in clinical settings, affecting the physician’s diagnosis and treatment. Accurate identification of IPF from various diseases presenting as UIP is essential for effective diagnosis and therapy. Methods Gene expression data of CHP, IPF, and rheumatoid arthritis-UIP samples were downloaded from the GEO database, and specific biomarkers were identified to differentiate idiopathic UIP/IPF from secondary UIP. We compared gene expression of specific biomarkers between control, secondary UIP, and IPF groups. The mechanism of specific biomarkers in PF was explored by immunohistochemistry, quantitative polymerase chain reaction, immunofluorescence, and flow cytometry. Results We identified integrin alpha V (ITGAV) as a specific biomarker for distinguishing IPF from secondary UIP. We observed a gradual increase in ITGAV expression across the control, secondary UIP, and IPF groups. Animal studies indicated that the elevated expression of ITGAV in various immune cells, particularly in monocyte-derived macrophages, contributed to the development of PF. Conclusion ITGAV is a specific biomarker linked to the pathogenesis of IPF. The identification of ITGAV provides new perspectives for clinical diagnosis, mechanistic studies and new drug development in IPF.https://doi.org/10.1038/s41598-025-01459-4Machine learningITGAVIPFImmune cellsUIP
spellingShingle Zhangyang Bi
Xiaodong Wang
Xue Liu
Xue Zhu
Guodong Zang
Li Tian
Wei Zhang
ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
Scientific Reports
Machine learning
ITGAV
IPF
Immune cells
UIP
title ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
title_full ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
title_fullStr ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
title_full_unstemmed ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
title_short ITGAV, a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
title_sort itgav a specific biomarker associated with the pathogenesis of idiopathic pulmonary fibrosis
topic Machine learning
ITGAV
IPF
Immune cells
UIP
url https://doi.org/10.1038/s41598-025-01459-4
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