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Role of inflammatory cells in airway remodeling in COPD

Authors Wang Y, Xu J, Meng Y, Adcock IM, Yao X

Received 2 June 2018

Accepted for publication 20 July 2018

Published 12 October 2018 Volume 2018:13 Pages 3341—3348


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Chunxue Bai

Yujie Wang,1,2 Jiayan Xu,1 Yaqi Meng,1 Ian M Adcock,3 Xin Yao1

1Department of Respiratory Medicine, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China; 2Department of Respiratory Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou, China; 3Cell and Molecular Biology Group, Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK

Abstract: COPD is characterized by chronic bronchitis, chronic airway obstruction, and emphysema, leading to a progressive and irreversible decline in lung function. Inflammation is central for the development of COPD. Chronic inflammation in COPD mainly involves the infiltration of neutrophils, macrophages, lymphocytes, and other inflammatory cells into the small airways. The contribution of resident airway structural cells to the inflammatory process is also important in COPD. Airway remodeling consists of detrimental changes in structural tissues and cells including airway wall thickening, epithelial metaplasia, goblet cell hypertrophy, and smooth muscle hyperplasia. Persistent airway inflammation might contribute to airway remodeling and small airway obstruction. However, the underlying mechanisms remain unclear. In this review, we will provide an overview of recent insights into the role of major immunoinflammatory cells in COPD airway remodeling.

Keywords: COPD, airway inflammation, airway remodeling

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