2020
Cytotoxicity of the 42 kDa SMase C sphingomyelinase secreted by Leptospira interrogans serovar Pomona on Vero cells.
Chaurasia R, Sritharan M. Cytotoxicity of the 42 kDa SMase C sphingomyelinase secreted by Leptospira interrogans serovar Pomona on Vero cells. Microbiology 2020, 166: 1065-1073. PMID: 32985970, DOI: 10.1099/mic.0.000976.Peer-Reviewed Original ResearchConceptsVero cellsSerovar PomonaHaemorrhagic manifestationsHost cell damageEarly diagnosisSevere formHuman patientsExperimental animalsLeptospira interrogansLeptospirosisCandidate markersSphingomyelinase activityHaemolytic activityPomonaSphingomyelinasePathogenic membersCytotoxicitySphingomyelinase geneActive formHigh levelsCellsPatientsDiagnosisConfocal imagesSphingomyelinases
2018
Pathogen-specific leptospiral proteins in urine of patients with febrile illness aids in differential diagnosis of leptospirosis from dengue
Chaurasia R, Thresiamma K, Eapen C, Zachariah B, Paul R, Sritharan M. Pathogen-specific leptospiral proteins in urine of patients with febrile illness aids in differential diagnosis of leptospirosis from dengue. European Journal Of Clinical Microbiology & Infectious Diseases 2018, 37: 423-433. PMID: 29332210, DOI: 10.1007/s10096-018-3187-9.Peer-Reviewed Original ResearchConceptsMicroscopic agglutination testAnti-leptospiral antibodiesEnzyme-linked immunosorbent assayLeptospiral antigensDifferential diagnosisGroup I patientsUrine of patientsPUO patientsI patientsUrinary antigenClinical symptomsDengue patientsNon-invasive methodStudy groupPatientsHigh titresDengue feverAgglutination testUnknown originInfectious diseasesAntigenDiagnosisImmunosorbent assayUrine samplesSpecific antibodies
2017
Proteinuria in early detection of human leptospirosis
Thresiamma K, Biju A, Chaurasia R, Sritharan M, Jayaprakash C, Thomas S, Eapen C. Proteinuria in early detection of human leptospirosis. International Journal Of Research In Medical Sciences 2017, 5: 646-652. DOI: 10.18203/2320-6012.ijrms20170168.Peer-Reviewed Original ResearchSymptoms of leptospirosisDay of admissionUrine samplesSerum antibodiesIgG classSame antigenELISA testStage of illnessCases of leptospirosisPresence of immunoglobulinAnti-leptospiral antibodiesRapid diagnostic testsFebrile illnessOptimal treatmentClinical signsPatient managementSignificant diagnostic potentialFrequent abnormalityHuman leptospirosisPatientsUrine concentratesClinical diagnosisInfectious diseasesELISA methodLeptospirosis
2014
Highly immunoreactive antibodies against the rHup-F2 fragment (aa 63–161) of the iron-regulated HupB protein of Mycobacterium tuberculosis and its potential for the serodiagnosis of extrapulmonary and recurrent tuberculosis
Sritharan N, Choudhury M, Sivakolundu S, Chaurasia R, Chouhan N, Rao P, Sritharan M. Highly immunoreactive antibodies against the rHup-F2 fragment (aa 63–161) of the iron-regulated HupB protein of Mycobacterium tuberculosis and its potential for the serodiagnosis of extrapulmonary and recurrent tuberculosis. European Journal Of Clinical Microbiology & Infectious Diseases 2014, 34: 33-40. PMID: 25037869, DOI: 10.1007/s10096-014-2203-y.Peer-Reviewed Original ResearchConceptsEnzyme-linked immunosorbent assayTB patientsExtrapulmonary tuberculosisPulmonary tuberculosisHealthy controlsMycobacterium tuberculosisExtrapulmonary TB patientsNormal healthy controlsRecurrent tuberculosisHousehold contactsSerum ironEnhanced immunoreactivityTuberculosisImmunoreactive antibodyAntigenic fragmentsPatientsImmunosorbent assayM. tuberculosisDiagnostic potentialSerumAntigenAntibodiesNegative correlationNegligible levelsHigh levels