2017
Selective proton‐observed, carbon‐edited (selPOCE) MRS method for measurement of glutamate and glutamine 13C‐labeling in the human frontal cortex
De Feyter H, Herzog RI, Steensma BR, Klomp DWJ, Brown PB, Mason GF, Rothman DL, de Graaf R. Selective proton‐observed, carbon‐edited (selPOCE) MRS method for measurement of glutamate and glutamine 13C‐labeling in the human frontal cortex. Magnetic Resonance In Medicine 2017, 80: 11-20. PMID: 29134686, PMCID: PMC5876108, DOI: 10.1002/mrm.27003.Peer-Reviewed Original Research2-Hydroxyglutarate produced by neomorphic IDH mutations suppresses homologous recombination and induces PARP inhibitor sensitivity
Sulkowski PL, Corso CD, Robinson ND, Scanlon SE, Purshouse KR, Bai H, Liu Y, Sundaram RK, Hegan DC, Fons NR, Breuer GA, Song Y, Mishra-Gorur K, De Feyter HM, de Graaf RA, Surovtseva YV, Kachman M, Halene S, Günel M, Glazer PM, Bindra RS. 2-Hydroxyglutarate produced by neomorphic IDH mutations suppresses homologous recombination and induces PARP inhibitor sensitivity. Science Translational Medicine 2017, 9 PMID: 28148839, PMCID: PMC5435119, DOI: 10.1126/scitranslmed.aal2463.Peer-Reviewed Original ResearchConceptsIsocitrate dehydrogenase 1PARP inhibitor sensitivityPossible therapeutic strategiesHomologous recombination defectsTherapeutic strategiesTumor xenograftsInhibitor sensitivityPathologic processesSmall molecule inhibitorsIDH1/2 mutationsTumor progressionIDH2 mutationsMutant IDHPolymerase inhibitorsGlioma cellsTumor cellsHR deficiencyPARP inhibitionIDH mutationsInhibitory effectDehydrogenase 1Neomorphic activityMutant IDH1 enzymeDependent dioxygenasesMutant cells
2016
Detection of cerebral NAD+ in humans at 7T
de Graaf R, De Feyter H, Brown PB, Nixon TW, Rothman DL, Behar KL. Detection of cerebral NAD+ in humans at 7T. Magnetic Resonance In Medicine 2016, 78: 828-835. PMID: 27670385, PMCID: PMC5366282, DOI: 10.1002/mrm.26465.Peer-Reviewed Original Research
2013
Increased Brain Transport and Metabolism of Acetate in Hypoglycemia Unawareness
Gulanski BI, De Feyter HM, Page KA, Belfort-DeAguiar R, Mason GF, Rothman DL, Sherwin RS. Increased Brain Transport and Metabolism of Acetate in Hypoglycemia Unawareness. The Journal Of Clinical Endocrinology & Metabolism 2013, 98: 3811-3820. PMID: 23796565, PMCID: PMC4425818, DOI: 10.1210/jc.2013-1701.Peer-Reviewed Original ResearchConceptsHypoglycemia-associated autonomic failureHypoglycemia unawarenessT1DM individualsEpinephrine levelsBrain transportControl groupType 1 diabetes mellitusDefective glucose counterregulationHealthy nondiabetic controlsSevere hypoglycemia unawarenessIntensive insulin therapyLong-term complicationsHospital research unitEntire study populationT1DM participantsAutonomic failureGlucose counterregulationInsulin therapyDiabetes mellitusNondiabetic controlsCerebral cortexAcute hypoglycemiaT1DM controlsCerebral energeticsStudy population