{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T10:33:10Z","timestamp":1793097190224,"version":"4.5.0"},"reference-count":30,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Respiratory J"],"published-print":{"date-parts":[[2026,10]]},"abstract":"ABSTRACT<\/jats:title>\n \n Objective<\/jats:title>\n \n This study aimed to investigate the associations of serum cold\u2010inducible RNA\u2010binding protein (CIRP) and C\u2010X\u2010C motif chemokine ligand 5 (CXCL5) with prognosis in children with\n \n Mycoplasma pneumoniae<\/jats:italic>\n <\/jats:styled-content>\n pneumonia (MPP) and their relationship with neutrophil extracellular traps (NETs).\n <\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n \n A total of 485 children with MPP admitted between January 2022 and March 2025 were enrolled. Patients were categorized into good\u2010prognosis (\n n<\/jats:italic>\n \u2009=\u2009379) and poor\u2010prognosis (\n n<\/jats:italic>\n \u2009=\u2009106) groups based on therapeutic efficacy at 1\u2009week after treatment completion. Serum levels of CIRP, CXCL5, and NET markers (myeloperoxidase\u2010DNA complex [MPO\u2010DNA] and citrullinated histone H3 [CitH3]) were measured. Multivariable logistic regression was used to analyze factors influencing prognosis. Receiver operating characteristic (ROC) curve analysis was performed to evaluate predictive value. Spearman correlation analysis was used to examine the correlations of CIRP and CXCL5 with NET markers.\n <\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n Compared with the good\u2010prognosis group, the poor\u2010prognosis group exhibited longer fever duration, higher neutrophil percentage, elevated levels of D\u2010dimer, C\u2010reactive protein (CRP), and interleukin\u20106 (IL\u20106), higher rates of multilobar involvement and pleural effusion, and more frequent use of systemic glucocorticoids, intravenous immunoglobulin (IVIG), fiberoptic bronchoscopy with bronchoalveolar lavage, and second\u2010line antimicrobial agents (all\n p<\/jats:italic>\n \u2009<\u20090.05). Serum CIRP and CXCL5 levels were significantly higher in the poor\u2010prognosis group (both\n p<\/jats:italic>\n \u2009<\u20090.001). Multivariable logistic regression analysis demonstrated that neutrophil percentage, MP antibody titer, D\u2010dimer, CRP, IL\u20106, extent of pulmonary involvement, pleural effusion, CIRP, and CXCL5 were independent risk factors for poor prognosis (all\n p<\/jats:italic>\n \u2009<\u20090.05). ROC analysis showed areas under the curve (AUCs) of 0.733 for CIRP, 0.752 for CXCL5, and 0.796 for their combination in predicting poor prognosis, with the combination showing superior predictive performance. Levels of NET markers were significantly elevated in the poor\u2010prognosis group (both\n p<\/jats:italic>\n \u2009<\u20090.001), and both CIRP and CXCL5 were positively correlated with MPO\u2010DNA and CitH3.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions<\/jats:title>\n Elevated serum CIRP and CXCL5 levels are associated with poor prognosis in children with MPP and correlate with NET markers. Combined detection may facilitate early identification of high\u2010risk patients; however, whether these biomarkers influence disease progression through modulation of NET requires further investigation.<\/jats:p>\n <\/jats:sec>","DOI":"10.1111\/crj.70231","type":"journal-article","created":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T02:55:27Z","timestamp":1790304927000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Associations of Serum CIRP and CXCL5 With Prognosis and Neutrophil Extracellular Traps in Pediatric\n \n Mycoplasma pneumoniae<\/i>\n <\/scp>\n Pneumonia"],"prefix":"10.1111","volume":"20","author":[{"given":"Litao","family":"Wan","sequence":"first","affiliation":[{"name":"Department of Infectious Diseases The 908th Hospital of Chinese People's Liberation Army Joint Logistic Support Force Nanchang Jiangxi 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of Health and Epidemic Prevention Jiangxi General Hospital of the Chinese People's Armed Police Force Nanchang Jiangxi China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liyan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of General Surgery The 908th Hospital of Chinese People's Liberation Army Joint Logistic Support Force Nanchang Jiangxi China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaohua","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of General Surgery The 908th Hospital of Chinese People's Liberation Army Joint Logistic Support Force Nanchang Jiangxi China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-8449-2937","authenticated-orcid":false,"given":"Shiding","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Infectious Diseases The 908th Hospital of Chinese People's Liberation Army Joint Logistic 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