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
An in vivo atlas of host–pathogen transcriptomes during Streptococcus pneumoniae colonization and disease
D’Mello A, Riegler AN, Martínez E, Beno SM, Ricketts TD, Foxman EF, Orihuela CJ, Tettelin H. An in vivo atlas of host–pathogen transcriptomes during Streptococcus pneumoniae colonization and disease. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 33507-33518. PMID: 33318198, PMCID: PMC7777036, DOI: 10.1073/pnas.2010428117.Peer-Reviewed Original ResearchConceptsStreptococcus pneumoniae colonizationHost gene expression profilesHost defense pathwaysOrgan damagePneumoniae colonizationProinflammatory responseInvasive diseaseAnatomical sitesTherapeutic targetInterferon responseDisease statesDiseaseGene expression profilesLungOrgan-specific mannerVivoPneumoniaPathogenesisKidneyBloodResponse
2017
Antiviral Response in the Nasopharynx Identifies Patients With Respiratory Virus Infection
Landry ML, Foxman EF. Antiviral Response in the Nasopharynx Identifies Patients With Respiratory Virus Infection. The Journal Of Infectious Diseases 2017, 217: 897-905. PMID: 29281100, PMCID: PMC5853594, DOI: 10.1093/infdis/jix648.Peer-Reviewed Original ResearchConceptsRespiratory virusesNasopharyngeal swabsViral infectionCXCL10 protein levelsPatient nasopharyngeal swabsRespiratory virus infectionsHuman nasal epithelial cellsManagement of patientsRespiratory virus detectionNasal epithelial cellsSingle host proteinVirus detectionSimple diagnostic testIdentifies patientsRespiratory symptomsRespiratory infectionsRespiratory illnessHigh burdenVirus infectionReceptor RIGCost-effective testAntiviral responseAccurate diagnosisDiagnostic testsInfection