2024
ACLY and ACSS2 link nutrient-dependent chromatin accessibility to CD8 T cell effector responses
Kaymak I, Watson M, Oswald B, Ma S, Johnson B, DeCamp L, Mabvakure B, Luda K, H. E, Lau K, Fu Z, Muhire B, Kitchen-Goosen S, Vander Ark A, Dahabieh M, Samborska B, Vos M, Shen H, Fan Z, Roddy T, Kingsbury G, Sousa C, Krawczyk C, Williams K, Sheldon R, Kaech S, Roy D, Jones R. ACLY and ACSS2 link nutrient-dependent chromatin accessibility to CD8 T cell effector responses. Journal Of Experimental Medicine 2024, 221: e20231820. PMID: 39150482, PMCID: PMC11329787, DOI: 10.1084/jem.20231820.Peer-Reviewed Original ResearchConceptsAcyl-CoA synthetase short-chain family member 2Acetyl-CoA productionATP citrate lyaseChromatin accessibilityAcetyl-CoAEnzyme ATP citrate lyaseFamily member 2Function in vivoCoordination of cellular metabolismTCA cycleMetabolic nodesGene locusCitrate lyaseT cell effector responsesHistone acetylationCellular metabolismEffector functionsCD8 T cellsResponse to infectionMember 2ChromatinEffector responsesMetabolic substratesT cell response to infectionT cells
2023
S-Nitrosylation-mediated dysfunction of TCA cycle enzymes in synucleinopathy studied in postmortem human brains and hiPSC-derived neurons
Doulias P, Yang H, Andreyev A, Dolatabadi N, Scott H, K Raspur C, Patel P, Nakamura T, Tannenbaum S, Ischiropoulos H, Lipton S. S-Nitrosylation-mediated dysfunction of TCA cycle enzymes in synucleinopathy studied in postmortem human brains and hiPSC-derived neurons. Cell Chemical Biology 2023, 30: 965-975.e6. PMID: 37478858, PMCID: PMC10530441, DOI: 10.1016/j.chembiol.2023.06.018.Peer-Reviewed Original ResearchConceptsTCA cycleLewy body dementiaAberrant S-nitrosylationMitochondrial metabolic dysfunctionTricarboxylic acid cyclePluripotent stem cellsMitochondrial energy metabolismParkinson's diseaseHiPSC-derived neuronsTCA enzymesMetabolic flux experimentsS-nitrosylationAcid cycleCell deathNeuronal cell deathΑ-ketoglutaratePostmortem human brainEnergy metabolismStem cellsLBD brainsDendritic lengthBioenergetic failureMetabolic dysfunctionSynaptic integrityPathophysiological relevanceTissue-specific reprogramming of glutamine metabolism maintains tolerance to sepsis
Leitner B, Lee W, Zhu W, Zhang X, Gaspar R, Li Z, Rabinowitz J, Perry R. Tissue-specific reprogramming of glutamine metabolism maintains tolerance to sepsis. PLOS ONE 2023, 18: e0286525. PMID: 37410734, PMCID: PMC10325078, DOI: 10.1371/journal.pone.0286525.Peer-Reviewed Original ResearchConceptsTCA cycle anaplerosisGlobal mitochondrial dysfunctionAromatic amino acid transportAmino acid transportTissue-specific metabolic responsesMurine polymicrobial sepsis modelMetabolic signaturesAntioxidant metabolismGlutathione biosynthesisMitochondrial metabolismTCA cycleGreat therapeutic interestEnergetic demandsPolymicrobial sepsis modelAntioxidant synthesisUnique metabolic signatureGlutamine metabolismMitochondrial dysfunctionAcid transportMuscle transcriptomicsGlutathione cyclingATP ratioIsotope tracingCritical illnessReduced expression
2020
Glucose Response by Stem Cell-Derived β Cells In Vitro Is Inhibited by a Bottleneck in Glycolysis
Davis JC, Alves TC, Helman A, Chen JC, Kenty JH, Cardone RL, Liu DR, Kibbey RG, Melton DA. Glucose Response by Stem Cell-Derived β Cells In Vitro Is Inhibited by a Bottleneck in Glycolysis. Cell Reports 2020, 31: 107623. PMID: 32402282, PMCID: PMC7433758, DOI: 10.1016/j.celrep.2020.107623.Peer-Reviewed Original ResearchConceptsSC-β cellsΒ-cellsHuman isletsReduced glucose-stimulated insulin secretionGlucose-stimulated insulin secretionStem cell-derived β cellsHuman β-cellsEnzyme glyceraldehydeTCA cycleGlucose challengeInsulin secretionInsulin releaseDiabetes treatmentGlucose responseCadaveric isletsBottleneck resultsEarly glycolysisTransplantable isletsCell functionIsletsIntermediate metabolitesConsistency of responsesGlycolysisCellsKinase
2019
Trial in Progress: Phase I Dose-Escalation and Dose-Expansion Trial of a Novel Glutaminase Inhibitor (CB-839 HCl) in Combination with Carfilzomib and Dexamethasone in Relapsed and/or Refractory Multiple Myeloma
Gonsalves W, Devarakonda S, Baz R, Neparidze N, Adjei A, Kunos C, Kumar S. Trial in Progress: Phase I Dose-Escalation and Dose-Expansion Trial of a Novel Glutaminase Inhibitor (CB-839 HCl) in Combination with Carfilzomib and Dexamethasone in Relapsed and/or Refractory Multiple Myeloma. Blood 2019, 134: 3160. DOI: 10.1182/blood-2019-123399.Peer-Reviewed Original ResearchMitochondrial respirationNormal protein homeostasisProteasome inhibitorsTricarboxylic acid cycleProtein homeostasisProteotoxic stressC-myc activationCellular bioenergeticsGenomic DNATCA cycleMolecular strategiesCellular respirationAcid cycleCell deathGlutamine metabolismImmunoglobulin proteinGlutaminase inhibitorMM cellsProteasome inhibitionIncrease of glutamineResistance mechanismsCell linesCancer cellsCB-839Human myeloma cell lines
2015
Integrated, Step-Wise, Mass-Isotopomeric Flux Analysis of the TCA Cycle
Alves TC, Pongratz RL, Zhao X, Yarborough O, Sereda S, Shirihai O, Cline GW, Mason G, Kibbey RG. Integrated, Step-Wise, Mass-Isotopomeric Flux Analysis of the TCA Cycle. Cell Metabolism 2015, 22: 936-947. PMID: 26411341, PMCID: PMC4635072, DOI: 10.1016/j.cmet.2015.08.021.Peer-Reviewed Original Research
2013
Efficient utilization of aerobic metabolism helps Tibetan locusts conquer hypoxia
Zhao D, Zhang Z, Cease A, Harrison J, Kang L. Efficient utilization of aerobic metabolism helps Tibetan locusts conquer hypoxia. BMC Genomics 2013, 14: 631. PMID: 24047108, PMCID: PMC3852963, DOI: 10.1186/1471-2164-14-631.Peer-Reviewed Original ResearchConceptsAerobic metabolismBasic metabolic processesExtreme hypoxiaTranscriptional responseHigh-altitude Tibetan PlateauGeographical populationsTCA cycleMigratory locustHypoxia toleranceMetabolic processesLocusta migratoriaHypoxic responseEntry genesLocustPhysiological perspectiveATP contentMetabolismTibetan PlateauInvertebratesInsectsDifferent altitudesGenesSpeciesHypoxiaConclusionsOur results
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