{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T01:27:48Z","timestamp":1788830868994,"version":"build-2803163510"},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"11","license":[{"start":{"date-parts":[[2022,6,29]],"date-time":"2022-06-29T00:00:00Z","timestamp":1656460800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,11,28]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>The resolution or aggravation of dengue infection depends on the patient\u2019s immune response during the critical phase. Cytokines released by immune cells increase with the worsening severity of dengue infections. Cytokines activate the kynurenine pathway (KP) and the extent of KP activation then influences disease severity.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>KP metabolites and cytokines in plasma samples of patients with dengue infection (dengue without warning signs [DWS\u2013], dengue with warning signs [DWS+], or severe dengue) were analyzed. Cytokines (interferon gamma [IFN-\u0263], tumor necrosis factor, interleukin 6, CXCL10\/interferon-inducile protein 10 [IP-10], interleukin 18 [IL-18], CCL2\/monocyte chemoattractant protein-1 [MCP-1], and CCL4\/macrophage inflammatory protein-1beta [MIP-1\u03b2] were assessed by a Human Luminex Screening Assay, while KP metabolites (tryptophan, kynurenine, anthranilic acid [AA], picolinic acid, and quinolinic acid) were assessed by ultra-high-performance liquid chromatography and Gas Chromatography Mass Spectrophotometry [GCMS] assays.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Patients with DWS+ had increased activation of the KP where kynurenine-tryptophan ratio, anthranilic acid, and picolinic acid were elevated. These patients also had higher levels of the cytokines IFN-\u0263, CXCL10, CCL4, and IL-18 than those with DWS\u2013. Further receiver operating characteristic analysis identified 3 prognostic biomarker candidates, CXCL10, CCL2, and AA, which predicted patients with higher risks of developing DWS+ with an accuracy of 97%.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>The data suggest a unique biochemical signature in patients with DWS+. CXCL10 and CCL2 together with AA are potential prognostic biomarkers that discern patients with higher risk of developing DWS+ at earlier stages of infection.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/infdis\/jiac273","type":"journal-article","created":{"date-parts":[[2022,6,29]],"date-time":"2022-06-29T15:30:56Z","timestamp":1656516656000},"page":"1964-1973","source":"Crossref","is-referenced-by-count":18,"title":["The Cytokines CXCL10 and CCL2 and the Kynurenine Metabolite Anthranilic Acid Accurately Predict Patients at Risk of Developing Dengue With Warning Signs"],"prefix":"10.1093","volume":"226","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7597-6601","authenticated-orcid":false,"given":"Felicita Fedelis","family":"Jusof","sequence":"first","affiliation":[{"name":"Department of Physiology, Faculty of Medicine, Universiti Malaya , Kuala Lumpur , Malaysia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chai 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