2024
Computational reassessment of RNA-seq data reveals key genes in active tuberculosis
Arya R, Shakya H, Chaurasia R, Kumar S, Vinetz J, Kim J. Computational reassessment of RNA-seq data reveals key genes in active tuberculosis. PLOS ONE 2024, 19: e0305582. PMID: 38935691, PMCID: PMC11210783, DOI: 10.1371/journal.pone.0305582.Peer-Reviewed Original ResearchConceptsMolecular Complex DetectionProtein-protein interactionsDeregulated genesGene OntologyRNA-seq dataGene Expression Omnibus (GEO) databaseIncreasing prevalence of multidrug-resistantGEO2R online toolPrevalence of multidrug resistancePathway enrichment analysisExpression levelsPatterns of variationGene expression levelsArea under curveInnate immune responseGene networksCore genesMicroarray datasetsSTRING databaseTranscript levelsEnrichment analysisGenesInterferon signalingInterferon-gamma signalingResponse to Mtb infectionExploring the Role of Extracellular Vesicles in the Pathogenesis of Tuberculosis
Arya R, Shakya H, Chaurasia R, Haque A, Kim J. Exploring the Role of Extracellular Vesicles in the Pathogenesis of Tuberculosis. Genes 2024, 15: 434. PMID: 38674369, PMCID: PMC11049626, DOI: 10.3390/genes15040434.Peer-Reviewed Original ResearchConceptsProtein-protein interaction networkRNA-seq datasetsExtracellular vesiclesTB patientsHealthy controlsResponse regulatorCellular processesInteraction networkPathogenesis of tuberculosisExosome biogenesisImmune response regulationImmune cell profilesDEGsPotential biomarkersVAMP5Immune cell infiltration analysisGenesTherapeutic targetImmune cellsGlobal health concernDiagnostic performanceVesiclesDisease progressionTreatment outcomesAccurate diagnosis
2022
Vaccination With Leptospira interrogans PF07598 Gene Family-Encoded Virulence Modifying Proteins Protects Mice From Severe Leptospirosis and Reduces Bacterial Load in the Liver and Kidney
Chaurasia R, Salovey A, Guo X, Desir G, Vinetz JM. Vaccination With Leptospira interrogans PF07598 Gene Family-Encoded Virulence Modifying Proteins Protects Mice From Severe Leptospirosis and Reduces Bacterial Load in the Liver and Kidney. Frontiers In Cellular And Infection Microbiology 2022, 12: 926994. PMID: 35837473, PMCID: PMC9274288, DOI: 10.3389/fcimb.2022.926994.Peer-Reviewed Original ResearchConceptsLethal challenge infectionChallenge infectionBacterial loadC3H/HeJ miceKey target organClinical pathogenesisSevere leptospirosisOrgan infectionProtein immunizationHeJ miceSerovar CanicolaTarget organsAnimal modelsLeptospirosis pathogenesisCellular pathogenesisMicePathogenesisInfectionLeptospira interrogansVirulence factorsModifying proteinsImmunizationKidneyLeptospirosisLiver
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
2015
Urban leptospirosis: A report of two cases
Sarguna P, Rao M, Sivakolundu S, Chaurasia R, Sritharan M, Shankar K. Urban leptospirosis: A report of two cases. Indian Journal Of Medical Microbiology 2015, 33: 321-323. PMID: 25865999, DOI: 10.4103/0255-0857.154898.Peer-Reviewed Original Research
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