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Endothelin-1 as a Biomarker of Idiopathic Pulmonary Fibrosis and Interstitial Lung Disease Associated with Autoimmune Diseases

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Autores de IDIVAL

Autores ajenos al IDIVAL

  • Gualillo O
  • Ferraz-Amaro I
  • Castañeda S

Unidades

Abstract

The aim of this study was to determine the role of endothelin-1 (ET-1), a molecule involved in multiple vascular and fibrosing abnormalities, as a biomarker of interstitial lung disease (ILD), as well as its use for the differential diagnosis between idiopathic pulmonary fibrosis (IPF) and ILD associated with autoimmune diseases (AD-ILD), using a large and well-defined cohort of patients with ILD. A total of 112 patients with IPF, 91 patients with AD-ILD (28 rheumatoid arthritis (RA), 26 systemic sclerosis, 20 idiopathic inflammatory myositis and 17 interstitial pneumonia with autoimmune features) and 44 healthy controls were included. ET-1 serum levels were determined by enzyme-linked immunosorbent assay. A significant increase in ET-1 levels was found in patients with IPF compared to controls. Likewise, AD-ILD patients also showed higher ET-1 levels than controls when the whole cohort was stratified by the type of AD. Similar ET-1 levels were found in IPF and AD-ILD patients, regardless of the underlying AD. Interestingly, increased ET-1 levels were correlated with worse lung function in IPF and RA-ILD patients. Our study supports that serum ET-1 may be useful as a biomarker of ILD, although it could not help in the differential diagnosis between IPF and AD-ILD. Moreover, ET-1 levels may be associated with ILD severity.

Datos de la publicación

ISSN/ISSNe:
1661-6596, 1422-0067

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES  MDPI AG

Tipo:
Article
Páginas:
-
PubMed:
36674789

Citas Recibidas en Web of Science: 18

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Keywords

  • biomarker; endothelin-1; idiopathic pulmonary fibrosis; interstitial lung disease; interstitial lung disease associated with autoimmune diseases

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