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
Double-take: SARS-CoV-2 has evolved to evade human innate immunity, twice
Foxman E. Double-take: SARS-CoV-2 has evolved to evade human innate immunity, twice. Trends In Immunology 2023, 45: 1-3. PMID: 38143224, DOI: 10.1016/j.it.2023.12.001.Peer-Reviewed Original Research
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 replicationSingle-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes
Ravindra NG, Alfajaro MM, Gasque V, Huston NC, Wan H, Szigeti-Buck K, Yasumoto Y, Greaney AM, Habet V, Chow RD, Chen JS, Wei J, Filler RB, Wang B, Wang G, Niklason LE, Montgomery RR, Eisenbarth SC, Chen S, Williams A, Iwasaki A, Horvath TL, Foxman EF, Pierce RW, Pyle AM, van Dijk D, Wilen CB. Single-cell longitudinal analysis of SARS-CoV-2 infection in human airway epithelium identifies target cells, alterations in gene expression, and cell state changes. PLOS Biology 2021, 19: e3001143. PMID: 33730024, PMCID: PMC8007021, DOI: 10.1371/journal.pbio.3001143.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Human bronchial epithelial cellsInterferon-stimulated genesCell state changesAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSyndrome coronavirus 2 infectionCell tropismCoronavirus 2 infectionCoronavirus disease 2019Onset of infectionCell-intrinsic expressionCourse of infectionAir-liquid interface culturesHost-viral interactionsBronchial epithelial cellsSingle-cell RNA sequencingCell typesIL-1Disease 2019Human airwaysDevelopment of therapeuticsDrug AdministrationViral replication
2018
Regional Differences in Airway Epithelial Cells Reveal Tradeoff between Defense against Oxidative Stress and Defense against Rhinovirus
Mihaylova VT, Kong Y, Fedorova O, Sharma L, Dela Cruz CS, Pyle AM, Iwasaki A, Foxman EF. Regional Differences in Airway Epithelial Cells Reveal Tradeoff between Defense against Oxidative Stress and Defense against Rhinovirus. Cell Reports 2018, 24: 3000-3007.e3. PMID: 30208323, PMCID: PMC6190718, DOI: 10.1016/j.celrep.2018.08.033.Peer-Reviewed Original ResearchConceptsRIG-I stimulationAntiviral responseRhinovirus infectionBronchial airway epithelial cellsAcute respiratory infectionsEpithelial cellsRobust antiviral responseAirway epithelial cellsPrimary human nasalAirway damageRespiratory infectionsAirway microenvironmentAsthma attacksNasal mucosaLeading causeNrf2 knockdownNasal cellsNrf2 activationHuman nasalEpithelial defenseHost defenseBronchial cellsInfectionOxidative stressRhinovirus
2015
Temperature-dependent innate defense against the common cold virus limits viral replication at warm temperature in mouse airway cells
Foxman EF, Storer JA, Fitzgerald ME, Wasik BR, Hou L, Zhao H, Turner PE, Pyle AM, Iwasaki A. Temperature-dependent innate defense against the common cold virus limits viral replication at warm temperature in mouse airway cells. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 827-832. PMID: 25561542, PMCID: PMC4311828, DOI: 10.1073/pnas.1411030112.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsImmunity, InnateMiceMolecular Sequence DataRhinovirusTemperatureTracheaVirus ReplicationConceptsAirway cellsCommon cold virusViral replicationIFN inductionRecombinant type I IFNMouse airway epithelial cellsCold virusAirway epithelial cellsInduction of ISGsType I IFNPrimary airway cellsCore body temperatureType IAntiviral defense responseLike receptorsI IFNNasal cavityMAVS proteinHuman rhinovirusSustained increaseInnate defensePoly IGenetic deficiencyRobust inductionRhinovirus