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
2023
Viral Interference During Influenza A–SARS-CoV-2 Coinfection of the Human Airway Epithelium and Reversal by Oseltamivir
Cheemarla N, Watkins T, Mihaylova V, Foxman E. Viral Interference During Influenza A–SARS-CoV-2 Coinfection of the Human Airway Epithelium and Reversal by Oseltamivir. The Journal Of Infectious Diseases 2023, 229: 1430-1434. PMID: 37722683, PMCID: PMC11095529, DOI: 10.1093/infdis/jiad402.Peer-Reviewed Original ResearchSARS-CoV-2 replicationSARS-CoV-2IAV replicationHuman airway epithelial culturesHuman airway epitheliumAirway epithelial culturesHost antiviral responseRobust interferon responseInfluenza infectionRespiratory virusesAirway epitheliumViral infectionAntiviral responseViral interferenceCoinfecting virusSimultaneous infectionHost cell defenseInterferon responseCoinfectionInfectionEpithelial culturesOseltamivirInfluenzaVirusCell defenseNasal host response-based screening for undiagnosed respiratory viruses: a pathogen surveillance and detection study
Cheemarla N, Hanron A, Fauver J, Bishai J, Watkins T, Brito A, Zhao D, Alpert T, Vogels C, Ko A, Schulz W, Landry M, Grubaugh N, van Dijk D, Foxman E. Nasal host response-based screening for undiagnosed respiratory viruses: a pathogen surveillance and detection study. The Lancet Microbe 2023, 4: e38-e46. PMID: 36586415, PMCID: PMC9835789, DOI: 10.1016/s2666-5247(22)00296-8.Peer-Reviewed Original ResearchConceptsRespiratory virus panelPg/mLCXCL10 concentrationsSARS-CoV-2Bacterial pathobiontsRespiratory virusesSARS-CoV-2 negative samplesViral respiratory infectionsSARS-CoV-2 positive samplesClinical virology laboratoryHealth care systemVirus-positive samplesQuantitative RT-PCRInfluenza C virusSymptomatic patientsRespiratory infectionsSeasonal coronavirusesNasopharyngeal swabsVirus panelC virusCommon virusesCXCL10Host responseInterferon responseVirology laboratory
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 mannerVivoPneumoniaPathogenesisKidneyBloodResponseInterference between rhinovirus and influenza A virus: a clinical data analysis and experimental infection study
Wu A, Mihaylova VT, Landry ML, Foxman EF. Interference between rhinovirus and influenza A virus: a clinical data analysis and experimental infection study. The Lancet Microbe 2020, 1: e254-e262. PMID: 33103132, PMCID: PMC7580833, DOI: 10.1016/s2666-5247(20)30114-2.Peer-Reviewed Original ResearchConceptsRhinovirus infectionInterferon-stimulated genesExperimental infection studiesClinical data analysisMock infectionInfection studiesDay 3ISG expressionViral interferenceInterferon responsePrimary human airway epithelial culturesYale-New Haven HospitalHuman airway epithelial culturesIAV RNASeasonal influenza epidemicsNational InstituteAirway epithelial culturesReverse transcription-quantitative PCRTranscription-quantitative PCRElectronic medical record systemPeak virusAirway mucosaMedical record systemRespiratory virusesIAV infection