2023
Innate immune cell-intrinsic ketogenesis is dispensable for organismal metabolism and age-related inflammation
Goldberg E, Letian A, Dlugos T, Leveau C, Dixit V. Innate immune cell-intrinsic ketogenesis is dispensable for organismal metabolism and age-related inflammation. Journal Of Biological Chemistry 2023, 299: 103005. PMID: 36775129, PMCID: PMC10025153, DOI: 10.1016/j.jbc.2023.103005.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsGlucoseImmunity, InnateInflammasomesInflammationKetone BodiesMiceNLR Family, Pyrin Domain-Containing 3 ProteinConceptsAge-related inflammationKetone bodiesOrganismal metabolismMyeloid cellsChronic low-grade inflammationKetogenic diet feedingLow-grade inflammationHigh-fat dietAbundant ketone bodyGlucose toleranceNLRP3 inflammasomeDiet feedingGlucose homeostasisMouse modelBody weightInflammationMetabolic checkpointOnly organConditional ablationTerminal enzymeΒ-hydroxybutyrateFunctional targetingMethylglutaryl-CoA lyaseKetogenesisModest effect
2021
IL-33 causes thermogenic failure in aging by expanding dysfunctional adipose ILC2
Goldberg EL, Shchukina I, Youm YH, Ryu S, Tsusaka T, Young KC, Camell CD, Dlugos T, Artyomov MN, Dixit VD. IL-33 causes thermogenic failure in aging by expanding dysfunctional adipose ILC2. Cell Metabolism 2021, 33: 2277-2287.e5. PMID: 34473956, PMCID: PMC9067336, DOI: 10.1016/j.cmet.2021.08.004.Peer-Reviewed Original ResearchMeSH KeywordsAdipose TissueAgingAnimalsImmunity, InnateInterleukin-33LungLymphocytesMiceMice, Inbred C57BLConceptsOld miceType 2 innate lymphoid cellsInnate lymphoid cellsTissue-resident cellsCore body temperatureAdoptive transferIL-33ILC2 numbersTissue inflammationAged miceImmunometabolic responsesMetabolic impairmentLymphoid cellsDietary restrictionImmune systemILC2Functional defectsMiceBody temperatureFailureCellsInflammationTranscriptomic analysisInfectionStress response
2016
Growth Hormone Receptor Deficiency Protects against Age-Related NLRP3 Inflammasome Activation and Immune Senescence
Spadaro O, Goldberg EL, Camell CD, Youm YH, Kopchick JJ, Nguyen KY, Bartke A, Sun LY, Dixit VD. Growth Hormone Receptor Deficiency Protects against Age-Related NLRP3 Inflammasome Activation and Immune Senescence. Cell Reports 2016, 14: 1571-1580. PMID: 26876170, PMCID: PMC5992590, DOI: 10.1016/j.celrep.2016.01.044.Peer-Reviewed Original ResearchMeSH KeywordsAgingAnimalsAutocrine CommunicationBone Marrow CellsCarrier ProteinsGene Expression RegulationHomeostasisImmunity, InnateImmunologic MemoryInflammasomesInterferon-gammaLongevityMacrophagesMiceMice, KnockoutNLR Family, Pyrin Domain-Containing 3 ProteinReceptor, IGF Type 1Receptors, SomatotropinSignal TransductionSpleenT-LymphocytesConceptsNLRP3 inflammasome activationInflammasome activationImmune senescenceAge-related immune senescenceGrowth hormone receptor deficiencyHigher IFNγ secretionNaive T lymphocytesImmune system homeostasisMyeloid lineage cellsEffector memoryIFNγ secretionInflammasome inhibitionEffector cellsChronic inflammationReceptor deficiencyAdvanced ageAge-related activationSystemic activationT lymphocytesGrowth hormone receptorNLRP3 ligandsInnate immuneSomatotropic axisSystem homeostasisNLRP3
2015
Adipose tissue as an immunological organ
Grant RW, Dixit VD. Adipose tissue as an immunological organ. Obesity 2015, 23: 512-518. PMID: 25612251, PMCID: PMC4340740, DOI: 10.1002/oby.21003.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAdipose TissueDiabetes Mellitus, Type 2HumansImmunity, InnateInflammationMetabolic SyndromeObesityConceptsAdipose tissueImmunological organActive immunological organNumerous immune cellsObesity-associated comorbiditiesImmune cell subtypesAdaptive immune responsesType 2 diabetesCertain infectious diseasesWhole-body metabolismMetabolic syndromeObese subjectsChronic inflammationImmunological aspectsInsulin resistanceTissue inflammationObesity influencesImmune cellsImmune surveillanceT cellsImmune responseTissue leukocytosisPubMed searchB cellsHost defense