2021
Ketogenic diet restrains aging-induced exacerbation of coronavirus infection in mice
Ryu S, Shchukina I, Youm YH, Qing H, Hilliard B, Dlugos T, Zhang X, Yasumoto Y, Booth CJ, Fernández-Hernando C, Suárez Y, Khanna K, Horvath TL, Dietrich MO, Artyomov M, Wang A, Dixit VD. Ketogenic diet restrains aging-induced exacerbation of coronavirus infection in mice. ELife 2021, 10: e66522. PMID: 34151773, PMCID: PMC8245129, DOI: 10.7554/elife.66522.Peer-Reviewed Original ResearchConceptsΓδ T cellsKetogenic dietCoronavirus infectionAged miceT cellsHigher systemic inflammationInfected aged miceCOVID-19 severityCOVID-19 infectionActivation of ketogenesisMouse hepatitis virus strain A59Systemic inflammationInflammatory damageInfluenza infectionClinical hallmarkNLRP3 inflammasomeImmune surveillanceAdipose tissuePotential treatmentInfectionMiceStrongest predictorLungMortalityAge
2013
Hunger-promoting hypothalamic neurons modulate effector and regulatory T-cell responses
Matarese G, Procaccini C, Menale C, Kim JG, Kim JD, Diano S, Diano N, De Rosa V, Dietrich MO, Horvath TL. Hunger-promoting hypothalamic neurons modulate effector and regulatory T-cell responses. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 6193-6198. PMID: 23530205, PMCID: PMC3625304, DOI: 10.1073/pnas.1210644110.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAllelesAnimalsAntigensAutoimmunityCatalytic DomainEncephalomyelitis, Autoimmune, ExperimentalFlow CytometryFood DeprivationForkhead Transcription FactorsGenetic Predisposition to DiseaseHumansHungerHypothalamusInflammationMiceMice, KnockoutMice, TransgenicMyelin SheathNeuronsSirtuin 1Thymus GlandT-Lymphocytes, RegulatoryConceptsRegulatory T cell responsesDelayed-type hypersensitivity responseHypothalamic feeding circuitsPeptide-expressing neuronsRegulatory T cellsSympathetic nervous systemT cell responsesForkhead box P3T helper 1Adaptive immune responsesWhole-body energy metabolismLow energy availabilityT cell activationAutoimmune disease susceptibilityBox P3Hypothalamic agoutiThymic generationHelper 1Hypersensitivity responseProinflammatory cytokinesHypothalamic neuronsSuppressive capacityT cellsImmune responseNervous system
2010
An Oscillatory Switch in mTOR Kinase Activity Sets Regulatory T Cell Responsiveness
Procaccini C, De Rosa V, Galgani M, Abanni L, Calì G, Porcellini A, Carbone F, Fontana S, Horvath TL, La Cava A, Matarese G. An Oscillatory Switch in mTOR Kinase Activity Sets Regulatory T Cell Responsiveness. Immunity 2010, 33: 929-941. PMID: 21145759, PMCID: PMC3133602, DOI: 10.1016/j.immuni.2010.11.024.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCD4 AntigensCell ProliferationCells, CulturedClonal AnergyDisease ProgressionEncephalomyelitis, Autoimmune, ExperimentalForkhead Transcription FactorsHumansInterleukin-2Interleukin-2 Receptor alpha SubunitLeptinMiceMice, Inbred C57BLSignal TransductionSirolimusT-Lymphocytes, RegulatoryTOR Serine-Threonine KinasesConceptsTreg cellsAnergic stateInterleukin-2Treg cell expansionRegulatory T cellsExogenous interleukin-2T cell responsivenessCell receptor stimulationImmune toleranceT cellsCell responsivenessReceptor stimulationMTOR activationEarly downregulationMammalian targetMTOR kinase activityRapamycin (mTOR) pathwayProliferative capabilityTransient inhibitionUnderlying mechanismElevated activityEnergy metabolismCellsResponsivenessCell expansionRegulatory T cells in obesity: the leptin connection
Matarese G, Procaccini C, De Rosa V, Horvath TL, La Cava A. Regulatory T cells in obesity: the leptin connection. Trends In Molecular Medicine 2010, 16: 247-256. PMID: 20493774, DOI: 10.1016/j.molmed.2010.04.002.Peer-Reviewed Original ResearchConceptsTreg cellsResident Treg cellsRegulatory T cellsAdipocyte-derived hormonePathogenesis of obesityT cell responsivenessChronic inflammationHypothalamic levelT cellsFood intakeCell responsivenessGlucose homeostasisAdipose tissueTherapeutic interventionsNutritional statusObesityRecent findingsCellsTissueMetabolismInflammationLeptinPathogenesisHormoneIntake