2021
Small intestinal immunopathology and GI-associated antibody formation in hereditary alpha-tryptasemia
Konnikova L, Robinson TO, Owings AH, Shirley JF, Davis E, Tang Y, Wall S, Li J, Hasan MH, Gharaibeh RZ, Mendoza Alvarez LB, Ryan LK, Doty A, Chovanec JF, O'Connell MP, Grunes DE, Daley WP, Mayer E, Chang L, Liu J, Snapper SB, Milner JD, Glover SC, Lyons JJ. Small intestinal immunopathology and GI-associated antibody formation in hereditary alpha-tryptasemia. Journal Of Allergy And Clinical Immunology 2021, 148: 813-821.e7. PMID: 33865872, PMCID: PMC9017395, DOI: 10.1016/j.jaci.2021.04.004.Peer-Reviewed Original ResearchConceptsClass-switched memory B cellsMemory B cellsB cellsSyndrome cohortCell pyroptosisFunctional GI diseasesQuiescent Crohn's diseaseSmall intestinal immunopathologySubclinical intestinal inflammationFunctional gastrointestinal symptomsMast cell numbersTissue mast cellsExpression of CD203cBasal serum tryptaseElevated basal serum tryptaseIntestinal immunopathologyGastrointestinal symptomsImmunologic findingsIntestinal inflammationCrohn's diseaseHLA-DRSmall bowelGI diseaseIgG reactiveImmunologic characteristics
2020
Single-Cell Analyses of Colon and Blood Reveal Distinct Immune Cell Signatures of Ulcerative Colitis and Crohn’s Disease
Mitsialis V, Wall S, Liu P, Ordovas-Montanes J, Parmet T, Vukovic M, Spencer D, Field M, McCourt C, Toothaker J, Bousvaros A, Center B, Ballal S, Bonilla S, Fawaz R, Fishman L, Flores A, Fox V, Grover A, Higuchi L, Huh S, Kahn S, Lee C, Mobassaleh M, Ouahed J, Pleskow R, Regan B, Rufo P, Sabharwal S, Silverstein J, Verhave M, Wolf A, Zimmerman L, Zitomersky N, Center B, Allegretti J, De Silva P, Friedman S, Hamilton M, Korzenik J, Makrauer F, Norton B, Winter R, Shalek A, Kean L, Horwitz B, Goldsmith J, Tseng G, Snapper S, Konnikova L. Single-Cell Analyses of Colon and Blood Reveal Distinct Immune Cell Signatures of Ulcerative Colitis and Crohn’s Disease. Gastroenterology 2020, 159: 591-608.e10. PMID: 32428507, PMCID: PMC8166295, DOI: 10.1053/j.gastro.2020.04.074.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseasePeripheral blood mononuclear cellsActive Crohn's diseaseBlood mononuclear cellsColonic mucosa samplesActive ulcerative colitisPlasmacytoid dendritic cellsInnate lymphoid cellsUlcerative colitisCrohn's diseaseDendritic cellsImmune cell populationsRegulatory cellsMononuclear cellsT cellsMucosa samplesBlood samplesLymphoid cellsGroup 1 innate lymphoid cellsType 3 innate lymphoid cellsEffector memory T cellsCell populationsInactive ulcerative colitisInactive Crohn's diseaseMemory T cells
2017
Enhanced TH17 Responses in Patients with IL10 Receptor Deficiency and Infantile-onset IBD
Shouval DS, Konnikova L, Griffith AE, Wall SM, Biswas A, Werner L, Nunberg M, Kammermeier J, Goettel JA, Anand R, Chen H, Weiss B, Li J, Loizides A, Yerushalmi B, Yanagi T, Beier R, Conklin LS, Ebens CL, Santos FGMS, Sherlock M, Goldsmith JD, Kotlarz D, Glover SC, Shah N, Bousvaros A, Uhlig HH, Muise AM, Klein C, Snapper SB. Enhanced TH17 Responses in Patients with IL10 Receptor Deficiency and Infantile-onset IBD. Inflammatory Bowel Diseases 2017, 23: 1950-1961. PMID: 29023267, DOI: 10.1097/mib.0000000000001270.Peer-Reviewed Original ResearchConceptsT cell proliferationDeficient patientsTh17 cellsReceptor deficiencySevere infantile-onset inflammatory bowel diseaseInfantile-onset inflammatory bowel diseaseAdaptive immune cell functionsCD4 T cell functionCD4 T cell proliferationCD4 T cell subsetsHematopoietic stem cell transplantationPeripheral blood mononuclear cellsNaive T cell proliferationSuppression of TregsGeneration of TregsInflammatory bowel diseaseRegulatory T cellsStem cell transplantationT cell subsetsBlood mononuclear cellsImmune cell defectsAnti-inflammatory macrophagesT cell functionImmune cell functionReal-time polymerase chain reaction
2016
Interleukin 1β Mediates Intestinal Inflammation in Mice and Patients With Interleukin 10 Receptor Deficiency
Shouval DS, Biswas A, Kang YH, Griffith AE, Konnikova L, Mascanfroni ID, Redhu NS, Frei SM, Field M, Doty AL, Goldsmith JD, Bhan AK, Loizides A, Weiss B, Yerushalmi B, Yanagi T, Lui X, Quintana FJ, Muise AM, Klein C, Horwitz BH, Glover SC, Bousvaros A, Snapper SB. Interleukin 1β Mediates Intestinal Inflammation in Mice and Patients With Interleukin 10 Receptor Deficiency. Gastroenterology 2016, 151: 1100-1104. PMID: 27693323, PMCID: PMC5124405, DOI: 10.1053/j.gastro.2016.08.055.Peer-Reviewed Original ResearchMeSH KeywordsAdenosine TriphosphateAdultAnimalsAntirheumatic AgentsCaspase 8CD4-Positive T-LymphocytesCells, CulturedChild, PreschoolColitisGene Expression RegulationHomeodomain ProteinsHumansImmunity, InnateInflammasomesInflammatory Bowel DiseasesInterferon-gammaInterleukin 1 Receptor Antagonist ProteinInterleukin-10Interleukin-10 Receptor alpha SubunitInterleukin-17Interleukin-1betaLipopolysaccharidesMacrophagesMiceMice, KnockoutMutationNLR Family, Pyrin Domain-Containing 3 ProteinProtein BiosynthesisReceptors, Interleukin-10Signal TransductionTumor Necrosis Factor-alphaConceptsInflammatory bowel diseaseProduction of IL1βBowel diseaseIntestinal inflammationT cellsAllogeneic hematopoietic stem cell transplantationInterleukin-10 Receptor DeficiencyHematopoietic stem cell transplantationStem cell transplantationInnate immune cellsActivation of CD4IL1 receptor antagonistTumor necrosis factorInterleukin-10 receptorProduction of IL1Stimulation of macrophagesImmune productionSpontaneous colitisReceptor deficiencyCell transplantationHistologic responseImmune cellsInterleukin-1βDeficient miceNecrosis factor