A 5-transcript signature for discriminating viral and bacterial etiology in pediatric pneumonia



Viz-Lasheras, Sandra, Gómez-Carballa, Alberto, Pardo-Seco, Jacobo, Bello, Xabier, Rivero-Calle, Irene, Dacosta, Ana Isabel, Kaforou, Myrsini, Habgood-Coote, Dominic, Cunnington, Aubrey J, Emonts, Marieke
et al (show 31 more authors) (2025) A 5-transcript signature for discriminating viral and bacterial etiology in pediatric pneumonia iScience, 28 (2). p. 111747. ISSN 2589-0042, 2589-0042

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Abstract

Pneumonia stands as the primary cause of death among children under five, yet current diagnosis methods often result in inadequate or unnecessary treatments. Our research seeks to address this gap by identifying host transcriptomic biomarkers in the blood of children with definitive viral and bacterial pneumonia. We performed RNA sequencing on 192 prospectively collected whole blood samples, including 38 controls and 154 pneumonia cases, uncovering a 5-transcript signature (genes FAM20A, BAG3, TDRD9, MXRA7, and KLF14) that effectively distinguishes bacterial from viral pneumonia (area under the curve (AUC): 0.95 [0.88–1.00]). Initial validation using combined definitive and probable cases yielded an AUC of 0.87 [0.77–0.97], while full validation in a new prospective cohort of 32 patients achieved an AUC of 0.92 [0.83–1.00]. This robust signature holds significant potential to enhance diagnostics accuracy for pediatric pneumonia, reducing diagnostic delays and unnecessary treatments and potentially transforming clinical practice.

Item Type: Article
Uncontrolled Keywords: EUCLIDS, DIAMONDS, GENDRES and, PERFORM consortia
Divisions: Faculty of Health & Life Sciences
Faculty of Health & Life Sciences > Inst. Infection, Vet & Ecological Sciences
Depositing User: Symplectic Admin
Date Deposited: 08 Jan 2025 11:15
Last Modified: 28 Feb 2026 20:48
DOI: 10.1016/j.isci.2025.111747
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URI: https://livrepository.liverpool.ac.uk/id/eprint/3189565
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