ArticleLung2025
Fatty Acids Dysregulation Correlates with Lung Function in Idiopathic Pulmonary Fibrosis.
Article in Lung, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- DPEP1 promotes pulmonary fibrosis by regulating arachidonic acid metabolism.Journal of thoracic disease · 2026Article
- Next-Generation Sequencing in Pulmonary Fibrosis: Translational Promise and Current Clinical Limitations.Current issues in molecular biology · 2026Review
- Role of Airwave Oscillometry in Patients with Combined Fibrosis-Emphysema Syndrome (CPFE) with Preserved FEV1/FVC Ratio.Diagnostics (Basel, Switzerland) · 2026Article
- The Efficacy of High-Flow Nasal Cannula (HFNC) Treatment in Patients with Chronic Type II Respiratory Failure Secondary to COPD.Journal of clinical medicine · 2026Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIdiopathic pulmonary fibrosis (IPF) is a progressive lung disease with a poor survival rate and undefined molecular mechanisms. The identification of reliable biomarkers to help early diagnosis and predict disease progression is crucial for improving patient life. Although many biomarkers have been proposed, there is no consensus on reliable markers for IPF. Alterations in fatty acid (FA) metabolism have drawn increasing attention in the IPF pathogenesis.
methodsThis single-center, prospective, cross-sectional study enrolled 35 IPF patients and 24 control participants. Demographic, clinical, and pulmonary function data were collected. FA profiles were compared between the two groups, with statistical analyses including chi-square tests, ANOVA, Spearman's rank correlation, and ROC curve analysis.
resultsWe found significant differences in serum FA levels between IPF patients and controls. Cis-Palmitoleic acid (26.4 mg/L vs 22.1 mg/L; p = 0.04), oleic acid (457.6 mg/L vs 376.4 mg/L, p = 0.04), and elaidic acid (33.7 mg/dL vs 28.2 mg/L, p = 0.02) were increased in IPF patients, while arachidonic acid (79.7 mg/dL vs 97.9 mg/L, p = 0.01) levels were significantly lower compared to the control group. Spearman's correlation analysis revealed positive correlations between these fatty acids. Notably, arachidonic acid levels showed a positive correlation with FEV1% (r = 0.348; p = 0.043) and FVC% (r = 0.431; p = 0.01), although ROC curve analysis indicated that this did not demonstrate strong diagnostic potential for IPF.
conclusionIn this study, we identified a dysregulation of cis-palmitoleic acid, oleic acid, elaidic acid, and arachidonic acid in IPF patients, indicating alterations in lipid metabolism and inflammatory pathways. Additionally, while arachidonic acid levels correlate with lung function, its diagnostic potential remains uncertain and warrants further evaluation in a larger patient population.
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