Targeting Alveolar Repair in Idiopathic Pulmonary Fibrosis

Victoria Ptasinski, John Stegmayr, Maria G Belvisi, Darcy E Wagner, Lynne A Murray

Research output: Contribution to journalArticlepeer-review

Abstract

Idiopathic pulmonary fibrosis is a fatal interstitial lung disease with limited therapeutic options. Current evidence suggests that IPF may be initiated by repeated epithelial injury in the distal lung followed by abnormal wound healing responses which occur due to intrinsic and extrinsic factors. Mechanisms contributing to chronic damage of the alveolar epithelium in IPF include dysregulated cellular processes such as apoptosis, senescence, abnormal activation of developmental pathways, aging, as well as genetic mutations. Therefore, targeting the regenerative capacity of the lung epithelium is an attractive approach in the development of novel therapies for IPF. Endogenous lung regeneration is a complex process involving coordinated cross-talk between multiple cell types and re-establishment of a normal extracellular matrix environment. This review will describe the current knowledge of reparative epithelial progenitor cells in the alveolar region of the lung and discuss potential novel therapeutic approaches for IPF focusing on endogenous alveolar repair. This article is open access and distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives License 4.0 (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Original languageEnglish
Pages (from-to)347
Number of pages365
JournalAmerican Journal of Respiratory Cell and Molecular Biology
Volume65
Issue number4
DOIs
Publication statusPublished - 2021

Subject classification (UKÄ)

  • Respiratory Medicine and Allergy

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