2019
Elevated Activation of Neutrophil Toll-Like Receptors in Patients with Acute Severe Leptospirosis: An Observational Study.
Lindow JC, Tsay AJ, Montgomery RR, Reis EAG, Wunder EA, Araújo G, Nery NRR, Mohanty S, Shaw AC, Lee PJ, Reis MG, Ko AI. Elevated Activation of Neutrophil Toll-Like Receptors in Patients with Acute Severe Leptospirosis: An Observational Study. American Journal Of Tropical Medicine And Hygiene 2019, 101: 585-589. PMID: 31333152, PMCID: PMC6726964, DOI: 10.4269/ajtmh.19-0160.Peer-Reviewed Original ResearchConceptsSevere leptospirosisActivation markersDisease severityNeutrophil Toll-like receptorToll-like receptor 2Acute severe leptospirosisHospitalized leptospirosis patientsNeutrophil activation markersEarly immune responseToll-like receptorsSevere disease outcomesHigh initial bacterial loadFebrile infectionsOrgan dysfunctionLeptospirosis patientsPeripheral neutrophilsNeutrophil responseHealthy controlsImmune mechanismsDisease outcomeObservational studyImmune responseSevere diseaseReceptor 2Tissue damage
2016
Cathelicidin Insufficiency in Patients with Fatal Leptospirosis
Lindow JC, Wunder EA, Popper SJ, Min JN, Mannam P, Srivastava A, Yao Y, Hacker KP, Raddassi K, Lee PJ, Montgomery RR, Shaw AC, Hagan JE, Araújo GC, Nery N, Relman DA, Kim CC, Reis MG, Ko AI. Cathelicidin Insufficiency in Patients with Fatal Leptospirosis. PLOS Pathogens 2016, 12: e1005943. PMID: 27812211, PMCID: PMC5094754, DOI: 10.1371/journal.ppat.1005943.Peer-Reviewed Original ResearchConceptsHost immune responseHigh bacterial loadBacterial loadAcute leptospirosisCase fatalityFatal casesDisease progressionImmune responseHigher systemic bacterial loadsValuable new therapeutic approachPro-inflammatory cytokine receptorsAdaptive immune signaturesSystemic bacterial loadsIndependent risk factorTime of hospitalizationDuration of illnessHigh case fatalityPoor clinical outcomeNew therapeutic approachesBlood transcriptional profilingLimited study sizeFatal leptospirosisLethal leptospirosisRANTES levelsSerum cathelicidin
2013
Cytokine Response Signatures in Disease Progression and Development of Severe Clinical Outcomes for Leptospirosis
Reis EA, Hagan JE, Ribeiro GS, Teixeira-Carvalho A, Martins-Filho OA, Montgomery RR, Shaw AC, Ko AI, Reis MG. Cytokine Response Signatures in Disease Progression and Development of Severe Clinical Outcomes for Leptospirosis. PLOS Neglected Tropical Diseases 2013, 7: e2457. PMID: 24069500, PMCID: PMC3777885, DOI: 10.1371/journal.pntd.0002457.Peer-Reviewed Original ResearchConceptsSevere pulmonary hemorrhage syndromeIL-10IL-6Mild diseaseClinical outcomesIL-8Disease progressionSevere diseaseSerum cytokine responseDays of symptomsHospital-based surveillanceAnti-inflammatory cytokinesIL-6 levelsCase-control study designPulmonary hemorrhage syndromeSevere clinical outcomesMultiplex bead array assayNon-fatal casesLife-threatening outcomesBead array assayImmunopathogenic roleCytokine profileCytokine stormIL-17ANonfatal outcomes