2020
Ketogenesis activates metabolically protective γδ T cells in visceral adipose tissue
Goldberg EL, Shchukina I, Asher JL, Sidorov S, Artyomov MN, Dixit VD. Ketogenesis activates metabolically protective γδ T cells in visceral adipose tissue. Nature Metabolism 2020, 2: 50-61. PMID: 32694683, PMCID: PMC10150608, DOI: 10.1038/s42255-019-0160-6.Peer-Reviewed Original ResearchConceptsΓδ T cellsKetogenic dietT cellsAdipose tissue inflammationResident immune cellsVisceral adipose tissueHigher fat compositionReduced adipose tissue inflammationCause obesityMetabolic healthTissue inflammationImmune cellsImmunometabolic responsesProlonged exerciseGlucose homeostasisAdipose tissueInflammationKetone bodiesSingle-cell RNA sequencingLow carbohydrateEnergy homeostasisΒ-hydroxybutyrateFat compositionRNA sequencingCells
2019
AGING INDUCES NLRP3 INFLAMMASOME DEPENDENT ADIPOSE B CELL EXPANSION TO IMPAIR METABOLIC HOMEOSTASIS
Camell C, Dixit V. AGING INDUCES NLRP3 INFLAMMASOME DEPENDENT ADIPOSE B CELL EXPANSION TO IMPAIR METABOLIC HOMEOSTASIS. Innovation In Aging 2019, 3: s106-s106. PMCID: PMC6845598, DOI: 10.1093/geroni/igz038.397.Peer-Reviewed Original ResearchFat-associated lymphoid clustersTissue B cellsB cell expansionAdipose tissueB cellsNLRP3 inflammasomeAdipose tissue immune cellsVisceral white adipose tissueB cell profileB-cell depletionB cell accumulationTissue immune cellsVisceral adipose tissueWhite adipose tissueAged B cellsFALC formationVisceral adiposityCell depletionInduces NLRP3Aged miceImmune cellsInsulin sensitivityFemale miceLymphoid clustersMetabolic dysfunction
2015
A Role of the Inflammasome in the Low Storage Capacity of the Abdominal Subcutaneous Adipose Tissue in Obese Adolescents
Kursawe R, Dixit VD, Scherer PE, Santoro N, Narayan D, Gordillo R, Giannini C, Lopez X, Pierpont B, Nouws J, Shulman GI, Caprio S. A Role of the Inflammasome in the Low Storage Capacity of the Abdominal Subcutaneous Adipose Tissue in Obese Adolescents. Diabetes 2015, 65: 610-618. PMID: 26718495, PMCID: PMC4764142, DOI: 10.2337/db15-1478.Peer-Reviewed Original ResearchMeSH KeywordsAbdomenAcetyl-CoA CarboxylaseAdipogenesisAdiponectinAdolescentCarrier ProteinsCaspase 1ChildDown-RegulationFatty Acid Synthase, Type IFemaleGene Expression ProfilingGlucose Transporter Type 4HumansInflammasomesInsulin ResistanceInterleukin-1betaIntra-Abdominal FatLeptinLipogenesisLipoprotein LipaseMacrophagesMagnetic Resonance ImagingMaleNLR Family, Pyrin Domain-Containing 3 ProteinObesityPPAR gammaSirtuin 1Sterol Regulatory Element Binding Protein 1Subcutaneous FatToll-Like Receptor 4ConceptsVisceral adipose tissueObese adolescentsInsulin resistanceTissue inflammationNLRP3 inflammasomeAdipose tissueInnate immune cell sensorsAbdominal subcutaneous adipose tissueAbdominal adipose depotsAbdominal fat partitioningAdipogenesis/lipogenesisAdipose tissue inflammationProinflammatory cytokines interleukinInfiltration of macrophagesExpression of CASP1Subcutaneous adipose tissueInflammation markersSAT biopsiesIL-18Macrophage infiltrationVisceral fatCytokines interleukinSAT ratioInsulin sensitivityAdipose depotsNLRP3 inflammasome controls adipose tissue leukocytosis and inflammation during aging (INM6P.331)
Camell C, Youm Y, Nguyen K, Ravussin A, Spadaro O, Dixit V. NLRP3 inflammasome controls adipose tissue leukocytosis and inflammation during aging (INM6P.331). The Journal Of Immunology 2015, 194: 193.5-193.5. DOI: 10.4049/jimmunol.194.supp.193.5.Peer-Reviewed Original ResearchAge-related inflammationAdipose tissueAged miceAntigen-specific T cellsDistinct inflammatory signatureB cell infiltrationSpecific T cellsOld control miceVisceral adipose tissueIL-1β signalingB cell subpopulationsAT inflammationAT macrophagesInflammatory signatureVisceral adiposityImmune defectsChronic inflammationControl miceInsulin resistanceLymphocyte clustersCell infiltrationImmune cellsMetabolic dysfunctionT cellsAge-induced changes