2023
TNFα increases the degradation of pyruvate dehydrogenase kinase 4 by the Lon protease to support proinflammatory genes
Boutagy N, Fowler J, Grabinska K, Cardone R, Sun Q, Vazquez K, Whalen M, Zhu X, Chakraborty R, Martin K, Simons M, Romanoski C, Kibbey R, Sessa W. TNFα increases the degradation of pyruvate dehydrogenase kinase 4 by the Lon protease to support proinflammatory genes. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2218150120. PMID: 37695914, PMCID: PMC10515159, DOI: 10.1073/pnas.2218150120.Peer-Reviewed Original ResearchMeSH KeywordsAcetyl Coenzyme ACytokinesEndothelial CellsHistonesHumansProtease LaTumor Necrosis Factor-alphaConceptsPyruvate dehydrogenase kinase 4Dehydrogenase kinase 4Lon proteasePyruvate dehydrogenase activityHistone acetylationMitochondrial metabolismKinase 4Specific gene lociPDH fluxEndothelial cellsSiRNA-mediated knockdownAcetyl-CoA generationLysine 27Gene transcriptionTCA fluxRNA sequencingHuman umbilical vein endothelial cellsProtein degradationHistone 3Gene locusUmbilical vein endothelial cellsNF-κB-dependent mechanismTricarboxylic acid cycle fluxVein endothelial cellsActive subunit
1997
Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators
Martin K, Kertesy S, Dubyak G. Down-Regulation of P2U-Purinergic Nucleotide Receptor Messenger RNA Expression During In Vitro Differentiation of Human Myeloid Leukocytes by Phorbol Esters or Inflammatory Activators. Molecular Pharmacology 1997, 51: 97-108. PMID: 9016351, DOI: 10.1124/mol.51.1.97.Peer-Reviewed Original ResearchConceptsTHP-1 monocytesHL-60 cellsMRNA levelsMyeloid leukocytesReceptor messenger RNA expressionMonocyte/macrophage phenotypeMessenger RNA expressionInositol phospholipid hydrolysisNeutrophil phenotypeInflammatory activationHL-60 granulocytesUndifferentiated HL-60 cellsInflammatory activatorsInflammatory macrophagesAcute exposureMacrophage phenotypeNucleotide receptorsHuman epithelial cellsTissue-specific mechanismsEpithelial cellsRNA expressionLeukocytesDown regulationDibutyryl cAMPHuman keratinocytes