Cited by 106Interstitial Lung Diseases and Idiopathic Pulmonary FibrosisTransplantation: Methods and OutcomesPulmonary Hypertension Research and Treatments

αvβ6 integrin may be a potential prognostic biomarker in interstitial lung disease

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Saini, Gauri, Porte, Joanne, Weinreb, Paul H., Violette, Shelia M., Wallace, William A., McKeever, Tricia M., Jenkins, Gisli·2015·European Respiratory Journal

Abstract

Idiopathic pulmonary fibrosis (IPF) and fibrotic nonspecific interstitial pneumonitis are progressive interstitial lung diseases (ILDs) with limited treatment options and poor survival. However, the rate of disease progression is variable, implying there may be different endotypes of disease. We hypothesised that immunophenotyping biopsies from ILD patients might reveal distinct endotypes of progressive fibrotic disease, which may facilitate stratification when undertaking clinical trials of novel therapies for IPF. 43 paraffin-embedded, formalin-fixed lung tissue sections were immunostained for five molecules implicated in the pathogenesis of the fibrosis: α-smooth muscle actin (αSMA), αvβ6 integrin, pro-surfactant protein C (SP-C), hepatocyte growth factor (HGF) and tenascin-C (TenC). Levels of immunostaining and numbers of fibroblastic foci were quantified using operator-dependent and -independent methods. The relationship of all these markers to overall survival was analysed. Staining revealed high levels of αSMA, αvβ6 integrin, pro-SP-C, HGF and TenC, and fibroblastic foci. Immunostaining varied across samples for all molecules but only the extent of αvβ6 integrin immunostaining was associated with increased mortality. There was no association with the other markers measured. Our data suggest high levels of αvβ6 integrin may identify a specific endotype of progressive fibrotic lung disease.

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Crossref · 10.1183/09031936.00210414

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  • αvβ6 levels are increased in lung tissue from IPF patients and correlate with poorer prognostic outcomes.

    “αvβ6 levels are increased in lung tissue from IPF patients and correlate with poorer prognostic outcomes, so that this integrin might also hold prognostic value (Saini et al., 2015).”

    From Pulmonary fibrosis: Emerging diagnostic and therapeutic strategies (2023) · cites this paper as Saini et al., 2015

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Authors
Saini, G., Porte, J., Weinreb, P. H., Violette, S. M., Wallace, W. A., McKeever, T. M., & Jenkins, G.
Affiliations
  • University of Nottingham (GB)
  • Biogen (United States) (US)
  • University of Edinburgh (GB)
Venue
European Respiratory Journal
Published
2015-03-05
Volume
46
Issue
2
Pages
486-494
ISSN
  • 0903-1936 (ISSN-L)
  • 1399-3003
OpenAlex
W2113575939
Cited by
106
References
38
Citations by year
2026: 4 · 2025: 9 · 2024: 9 · 2023: 16 · 2022: 7 · 2021: 11 · 2020: 13 · 2019: 5 · 2018: 11 · 2017: 9 · 2016: 9 · 2015: 3
FWCI
8.44
Type
journal article
Language
en
Open access
Locations
  • European Respiratory Journal (publishedVersion)
  • PubMed (publishedVersion)
  • Repository@Nottingham (University of Nottingham) (acceptedVersion, other-oa)
  • Repository@Nottingham (University of Nottingham) (submittedVersion, cc-by)
  • Nottingham ePrints (University of Nottingham) (submittedVersion)
Funders
Medical Research Council (MICA grant G0901226)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
  • Health Sciences › Medicine › Surgery › Transplantation: Methods and Outcomes
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Pulmonary Hypertension Research and Treatments
Keywords
integrin αvβ6, idiopathic pulmonary fibrosis, interstitial lung disease, prognostic factors, disease endotypes, overall survival, fibroblastic foci, alpha-smooth muscle actin, hepatocyte growth factor, tenascin-C, pulmonary fibrosis
MeSH terms
Adult, Aged, Antigens, Neoplasm, Biopsy, Female, Humans, Lung, Male, Middle Aged, Prognosis, Biomarkers, Integrins, Lung Diseases, Interstitial

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