2024
The amalgam of naive CD4+ T cell transcriptional states is reconfigured by helminth infection to dampen the amplitude of the immune response
Even Z, Meli A, Tyagi A, Vidyarthi A, Briggs N, de Kouchkovsky D, Kong Y, Wang Y, Waizman D, Rice T, De Kumar B, Wang X, Palm N, Craft J, Basu M, Ghosh S, Rothlin C. The amalgam of naive CD4+ T cell transcriptional states is reconfigured by helminth infection to dampen the amplitude of the immune response. Immunity 2024, 57: 1893-1907.e6. PMID: 39096910, PMCID: PMC11421571, DOI: 10.1016/j.immuni.2024.07.006.Peer-Reviewed Original ResearchT cell receptorImmune responseNaive CD4<sup>+</sup> T cellsCD4<sup>+</sup> T cellsIFN-IHelminth infectionsNippostrongylus brasiliensis infectionDecreased immune responseType I interferonNaive TT cellsMemory-likeUnrelated antigensTranscriptional changesExtracellular matrixSPF miceCell receptorsI interferonGerm-freeResponse to certain environmental cuesInfectionMiceFunctional changesCell transcriptional statesTranscriptional heterogeneity
2023
Enhanced inhibition of MHC-I expression by SARS-CoV-2 Omicron subvariants
Moriyama M, Lucas C, Monteiro V, Initiative Y, Iwasaki A, Chen N, Breban M, Hahn A, Pham K, Koch T, Chaguza C, Tikhonova I, Castaldi C, Mane S, De Kumar B, Ferguson D, Kerantzas N, Peaper D, Landry M, Schulz W, Vogels C, Grubaugh N. Enhanced inhibition of MHC-I expression by SARS-CoV-2 Omicron subvariants. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2221652120. PMID: 37036977, PMCID: PMC10120007, DOI: 10.1073/pnas.2221652120.Peer-Reviewed Original ResearchConceptsMHC-I expressionBreakthrough infectionsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variantsMajor histocompatibility complex class I expressionCell-mediated immunityInfluenza virus infectionSARS-CoV-2 VOCsMHC-I upregulationClass I expressionSARS-CoV-2T cell recognitionVirus infectionMHC II expressionSpike proteinEnhanced inhibitionInfectionCell recognitionCommon mutationsReinfectionE proteinAntibodiesViral genesSubvariantsExpressionAccelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection
Chaguza C, Hahn A, Petrone M, Zhou S, Ferguson D, Breban M, Pham K, Peña-Hernández M, Castaldi C, Hill V, Initiative Y, Billig K, Earnest R, Fauver J, Kalinch C, Kerantzas N, Koch T, De Kumar B, Landry M, Ott I, Peaper D, Tikhonova I, Vogels C, Schulz W, Swanstrom R, Roberts S, Grubaugh N. Accelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection. Cell Reports Medicine 2023, 4: 100943. PMID: 36791724, PMCID: PMC9906997, DOI: 10.1016/j.xcrm.2023.100943.Peer-Reviewed Original ResearchConceptsChronic infectionEvolutionary ratesGenetic diversityIntrahost evolutionDistinct genotypesHigher viral genome copiesVirus evolutionary ratesSARS-CoV-2 evolutionUntreated chronic infectionAdvantageous mutationsNucleotide substitutionsViral genome copiesDivergent variantsInfection hypothesisVariant emergenceViral populationsInfectious virusInfectionHallmark changesGenome copiesDifferent genotypesDiversityGenotypesTemporal dynamicsEvolution
2022
Cellular Heterogeneity and Molecular Reprogramming of the Host Response during Influenza Acute Lung Injury
Guo K, Yombo D, Schmit T, Wang Z, Navaeiseddighi Z, Sathish V, Mathur R, Wu M, De Kumar B, Hur J, Khan N. Cellular Heterogeneity and Molecular Reprogramming of the Host Response during Influenza Acute Lung Injury. Journal Of Virology 2022, 96: e01246-22. PMID: 36286482, PMCID: PMC9645213, DOI: 10.1128/jvi.01246-22.Peer-Reviewed Original ResearchConceptsAcute lung injuryLung injuryIAV infectionHost responseDysregulated host responseExuberant host responseOutcome of interferonTotal immune cellsMonocyte-derived macrophagesSingle-cell RNA sequencing analysisChemokine responsesAcute injuryCellular levelImmune cellsNonimmune cellsBarrier integrityMyeloid cellsTherapeutic interventionsCellular heterogeneityInjuryChemokine signalingNonhematopoietic cellsInfectionRNA sequencing analysisMechanistic associationRapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons
Chaguza C, Coppi A, Earnest R, Ferguson D, Kerantzas N, Warner F, Young HP, Breban MI, Billig K, Koch RT, Pham K, Kalinich CC, Ott IM, Fauver JR, Hahn AM, Tikhonova IR, Castaldi C, De Kumar B, Pettker CM, Warren JL, Weinberger DM, Landry ML, Peaper DR, Schulz W, Vogels CBF, Grubaugh ND. Rapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons. Med 2022, 3: 325-334.e4. PMID: 35399324, PMCID: PMC8983481, DOI: 10.1016/j.medj.2022.03.010.Peer-Reviewed Original ResearchConceptsSpike gene target failureSARS-CoV-2 Omicron variantPositivity rateOmicron variantOmicron infectionVaccine dosesVaccine-induced immunityNumber of dosesTest positivity rateOdds of infectionSARS-CoV-2Significant reductionDominant Delta variantUnvaccinated personsVaccination statusHigher oddsDelta variantInfectionVaccine manufacturersDisease controlVirus copiesDosesPCR testOddsTarget failureComparative transmissibility of SARS-CoV-2 variants Delta and Alpha in New England, USA
Earnest R, Uddin R, Matluk N, Renzette N, Turbett SE, Siddle KJ, Loreth C, Adams G, Tomkins-Tinch CH, Petrone ME, Rothman JE, Breban MI, Koch RT, Billig K, Fauver JR, Vogels CBF, Bilguvar K, De Kumar B, Landry ML, Peaper DR, Kelly K, Omerza G, Grieser H, Meak S, Martha J, Dewey HB, Kales S, Berenzy D, Carpenter-Azevedo K, King E, Huard RC, Novitsky V, Howison M, Darpolor J, Manne A, Kantor R, Smole SC, Brown CM, Fink T, Lang AS, Gallagher GR, Pitzer VE, Sabeti PC, Gabriel S, MacInnis BL, Team N, Altajar A, DeJesus A, Brito A, Watkins A, Muyombwe A, Blumenstiel B, Neal C, Kalinich C, Liu C, Loreth C, Castaldi C, Pearson C, Bernard C, Nolet C, Ferguson D, Buzby E, Laszlo E, Reagan F, Vicente G, Rooke H, Munger H, Johnson H, Tikhonova I, Ott I, Razeq J, Meldrim J, Brown J, Wang J, Vostok J, Beauchamp J, Grimsby J, Hall J, Messer K, Larkin K, Vernest K, Madoff L, Green L, Webber L, Gagne L, Ulcena M, Ray M, Fisher M, Barter M, Lee M, DeFelice M, Cipicchio M, Smith N, Lennon N, Fitzgerald N, Kerantzas N, Hui P, Harrington R, Downing R, Haye R, Lynch R, Anderson S, Hennigan S, English S, Cofsky S, Clancy S, Mane S, Ash S, Baez S, Fleming S, Murphy S, Chaluvadi S, Alpert T, Rivard T, Schulz W, Mandese Z, Tewhey R, Adams M, Park D, Lemieux J, Grubaugh N. Comparative transmissibility of SARS-CoV-2 variants Delta and Alpha in New England, USA. Cell Reports Medicine 2022, 3: 100583. PMID: 35480627, PMCID: PMC8913280, DOI: 10.1016/j.xcrm.2022.100583.Peer-Reviewed Original ResearchConceptsEnhanced transmissibilitySARS-CoV-2 variant DeltaSARS-CoV-2 Delta variantViral RNA copiesPublic health programsAlpha infectionDelta infectionEffective reproductive numberDelta variantHealth programsVariant DeltaRNA copiesInfectionAlphaReproductive numberTransmissibilityEpidemiological dynamics