2023
IFN-λ derived from nonsusceptible enterocytes acts on tuft cells to limit persistent norovirus
Ingle H, Makimaa H, Aggarwal S, Deng H, Foster L, Li Y, Kennedy E, Peterson S, Wilen C, Lee S, Suthar M, Baldridge M. IFN-λ derived from nonsusceptible enterocytes acts on tuft cells to limit persistent norovirus. Science Advances 2023, 9: eadi2562. PMID: 37703370, PMCID: PMC10499323, DOI: 10.1126/sciadv.adi2562.Peer-Reviewed Original ResearchConceptsIntestinal epithelial cellsTuft cellsUninfected bystander cellsIFN-λ signalingSource of IFNImmune cellsIntestinal infectionsLeading causeViral gastroenteritisMNoVNorovirus pathogenesisCellular tropismPotent antiviralEpidemic viral gastroenteritisEpithelial cellsBystander cellsIFNNorovirusAntiviralsInfectionMurine norovirusIntercellular communicationPersistent strainsCellsVivo
2022
Coronavirus Lung Infection Impairs Host Immunity against Secondary Bacterial Infection by Promoting Lysosomal Dysfunction.
Peng X, Kim J, Gupta G, Agaronyan K, Mankowski MC, Korde A, Takyar SS, Shin HJ, Habet V, Voth S, Audia JP, Chang D, Liu X, Wang L, Cai Y, Tian X, Ishibe S, Kang MJ, Compton S, Wilen CB, Dela Cruz CS, Sharma L. Coronavirus Lung Infection Impairs Host Immunity against Secondary Bacterial Infection by Promoting Lysosomal Dysfunction. The Journal Of Immunology 2022, 209: 1314-1322. PMID: 36165196, PMCID: PMC9523490, DOI: 10.4049/jimmunol.2200198.Peer-Reviewed Original ResearchConceptsSARS-CoV-2Bacterial infectionsMouse modelCoronavirus infectionLysosomal dysfunctionMajor health care challengeLung immune cellsLung tissue damageSecondary bacterial infectionImpair host immunityIL-1β releaseHealth care challengesCell deathPyroptotic cell deathBacterial killing abilityIL-1βBacterial clearanceImmune cellsSecondary infectionHost immunityAlveolar macrophagesTissue damageΒ-coronavirusStructural cellsCare challengesMultiplexed LNP-mRNA vaccination against pathogenic coronavirus species
Peng L, Fang Z, Renauer PA, McNamara A, Park JJ, Lin Q, Zhou X, Dong MB, Zhu B, Zhao H, Wilen CB, Chen S. Multiplexed LNP-mRNA vaccination against pathogenic coronavirus species. Cell Reports 2022, 40: 111160. PMID: 35921835, PMCID: PMC9294034, DOI: 10.1016/j.celrep.2022.111160.Peer-Reviewed Original ResearchConceptsAntibody responseCoronavirus speciesSequential vaccinationSARS-CoVAntigen-specific antibody responsesSARS-CoV-2 DeltaAdaptive immune cellsEffective immune responsePotent antibody responsesCOVID-19 vaccineSARS-CoV-2MRNA vaccine candidatesActivated B cellsSingle-cell RNA sequencing profilesRNA sequencing profilesSimultaneous vaccinationAntibody immunityVaccination scheduleImmune profileImmune cellsImmune responseVaccine candidatesMERS-CoV.Animal modelsB cellsRestriction of viral replication, rather than T cell immunopathology, drives lethality in MNV CR6-infected STAT1-deficient mice
Sharon A, Filyk H, Fonseca N, Simister R, Filler R, Yuen W, Hardman B, Robinson H, Seo J, Rocha-Pereira J, Welch I, Neyts J, Wilen C, Crowe S, Osborne L. Restriction of viral replication, rather than T cell immunopathology, drives lethality in MNV CR6-infected STAT1-deficient mice. The Journal Of Immunology 2022, 208: 182.04-182.04. DOI: 10.4049/jimmunol.208.supp.182.04.Peer-Reviewed Original ResearchAntiviral T cell responsesT cell responsesSTAT1-deficient miceCell responsesViral replicationViral infectionViral-induced tissue damageC57BL6/J miceAdaptive immune populationsLimited viral replicationT cell immunopathologyAdaptive immune cellsUncontrolled viral replicationHigh viral loadHost-directed mechanismKey innateLethal immunopathologyInfectious insultsViral loadImmune populationsImmune cellsJ miceTherapeutic administrationIntestinal homeostasisIntestinal mucosa
2016
CD4 Receptor is a Key Determinant of Divergent HIV-1 Sensing by Plasmacytoid Dendritic Cells
O’Brien M, Manches O, Wilen C, Gopal R, Huq R, Wu V, Sunseri N, Bhardwaj N. CD4 Receptor is a Key Determinant of Divergent HIV-1 Sensing by Plasmacytoid Dendritic Cells. PLOS Pathogens 2016, 12: e1005553. PMID: 27082754, PMCID: PMC4833349, DOI: 10.1371/journal.ppat.1005553.Peer-Reviewed Original ResearchConceptsPlasmacytoid dendritic cellsAntigen presenting cellsI interferonDendritic cellsNF-κBMature dendritic cell phenotypePotent antigen presenting cellsToll-like receptor 7/9HIV-1 sensingDendritic cell phenotypeInnate immune cellsNF-κB pathwayType I interferonViral nucleic acidsIRF7 pathwayPDC activationImmune cellsPresenting cellsDisease progressionHIV virionsHIV-1IFN productionCD4 receptorInadequate maturationCell phenotype