ArticleInfectious diseases and therapy2026
Novel Diagnostic Marker Interleukin-33 for Invasive Pulmonary Aspergillosis in Acute-on-Chronic Liver Failure: A Proof-of-Concept Prospective Study.
Article in Infectious diseases and therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionInvasive pulmonary aspergillosis (IPA) is a life-threatening complication in patients with acute-on-chronic liver failure (ACLF). Cytokines play essential roles in the pathogenesis of IPA and have been identified as promising diagnostic biomarkers. This study aimed to conduct a comprehensive proof-of-concept evaluation of the diagnostic potential of cytokines for IPA in patients with ACLF.
methodsIn this single-center prospective study, patients with HBV-ACLF were categorized into IPA (with diagnostic criteria of probable IPA, n = 16), bacterial pneumonia (BP, n = 32), and non-infection (n = 32) groups. Groups were matched for age, gender, and liver decompensation severity. Plasma cytokines, interleukin (IL)-33, IL-17A, IL-23, IL-31, IL-1β, IL-2, IL-4, IL-6, IL-10, IL-12p70, IL-13, interferon-γ, tumor necrosis factor alpha, and soluble IL-2 receptor, were quantified. Diagnostic accuracy was assessed via ROC analysis.
resultsIL-33 levels were markedly elevated in IPA vs. BP (163.07 [108.30-211.22] vs. 12.82 [4.24-50.55] pg/mL; P < 0.001) and non-infection groups (163.07 [108.30-211.22] vs. 4.24 [4.24-52.51] pg/mL; P < 0.001). ROC analysis identified IL-33 as a strong diagnostic marker for IPA (AUC = 0.871; sensitivity 93.80%, specificity 84.40%; P < 0.001) with optimal cutoff at 66.97 pg/mL. Furthermore, IL-33 levels were significantly elevated during IPA development compared to both the incubation phase (154.86 vs. 8.29 pg/mL, P = 0.005) and the recovery phase (154.86 vs. 28.01 pg/mL, P = 0.038).
conclusionsPlasma IL-33 demonstrates high accuracy in diagnosing IPA and differentiating it from bacterial infections in patients with HBV-ACLF, offering a minimally invasive diagnostic tool. Graphical abstract available for this article.
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