2024
High burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children
Watkins T, Green A, Amat J, Cheemarla N, Hänsel K, Lozano R, Dudgeon S, Germain G, Landry M, Schulz W, Foxman E. High burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children. Journal Of Experimental Medicine 2024, 221: e20230911. PMID: 38949638, PMCID: PMC11215523, DOI: 10.1084/jem.20230911.Peer-Reviewed Original ResearchConceptsBacterial pathobiontsRespiratory virusesBurden of virusesSARS-CoV-2Innate immune activationSARS-CoV-2 viral loadDynamic host-pathogen interactionsInnate immune responseViral coinfectionCytokine profileViral loadNasal virusImmune activationProinflammatory responseIL-1BNasopharyngeal samplesHost-pathogen interactionsImmune responseInterferon responsePathobiontsInnate immunityPaired samplesCXCL10Healthy 1-year-oldVirus
2021
Dynamic innate immune response determines susceptibility to SARS-CoV-2 infection and early replication kinetics
Cheemarla NR, Watkins TA, Mihaylova VT, Wang B, Zhao D, Wang G, Landry ML, Foxman EF. Dynamic innate immune response determines susceptibility to SARS-CoV-2 infection and early replication kinetics. Journal Of Experimental Medicine 2021, 218: e20210583. PMID: 34128960, PMCID: PMC8210587, DOI: 10.1084/jem.20210583.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAngiotensin-Converting Enzyme 2Case-Control StudiesChemokine CXCL10COVID-19Disease SusceptibilityFemaleGene Expression ProfilingHost-Pathogen InteractionsHumansImmunity, InnateInterferonsMaleMiddle AgedNasopharynxPicornaviridae InfectionsSARS-CoV-2Viral LoadVirus ReplicationConceptsSARS-CoV-2 infectionSARS-CoV-2 exposureSARS-CoV-2Interferon-stimulated genesUpper respiratory tractRespiratory tractEarly SARS-CoV-2 infectionDynamic innate immune responseViral replicationSARS-CoV-2 replicationPatient nasopharyngeal samplesInnate immune responseLow infectious doseViral loadNasopharyngeal samplesImmune responseInfectious doseISG responseAntiviral responseInfection progressionViral transmissionLevel correlatesInfectionISG inductionInitial replication
2020
Clinical implications of SARS-CoV-2 cycle threshold values in solid organ transplant recipients
Gaston DC, Malinis M, Osborn R, Peaper DR, Landry M, Juthani-Mehta M, Azar MM. Clinical implications of SARS-CoV-2 cycle threshold values in solid organ transplant recipients. American Journal Of Transplantation 2020, 21: 1304-1311. PMID: 33043603, PMCID: PMC7675520, DOI: 10.1111/ajt.16357.Peer-Reviewed Original ResearchConceptsSolid organ transplant recipientsOrgan transplant recipientsClinical implicationsCycle threshold valuesSOT patientsTransplant recipientsSymptom onsetYale New Haven Health SystemUpper respiratory tract samplesSARS-CoV-2 viral RNASARS-CoV-2 viral dynamicsAdult SOT recipientsRetrospective chart reviewRespiratory tract samplesSARS-CoV-2 cycle threshold valuesInfection prevention measuresCOVID-19 severityViral RNAHigher clinical acuityPrimary diagnostic testRT-PCR assaysSOT recipientsChart reviewViral loadAdmission severity
2011
Diagnostic tests for influenza infection
Landry ML. Diagnostic tests for influenza infection. Current Opinion In Pediatrics 2011, 23: 91-97. PMID: 21150446, DOI: 10.1097/mop.0b013e328341ebd9.Peer-Reviewed Original ResearchConceptsMolecular testingMultiplex molecular testRapid antigen testInfluenza infectionViral loadAntigen testPatient groupSeasonal influenzaImmunofluorescence testDiagnostic test performanceAntigenic changesNext pandemicRapid cultureDiagnostic testsMolecular testsMarked variabilityNegative resultsSame testDiagnostic methods