2017
Metabolic brain adaptations to recurrent hypoglycaemia may explain the link between type 1 diabetes mellitus and epilepsy and point towards future study and treatment options
Tricò D, Herzog RI. Metabolic brain adaptations to recurrent hypoglycaemia may explain the link between type 1 diabetes mellitus and epilepsy and point towards future study and treatment options. Diabetologia 2017, 60: 938-939. PMID: 28236055, PMCID: PMC5395303, DOI: 10.1007/s00125-017-4231-5.Peer-Reviewed Original Research
2013
Lactate preserves neuronal metabolism and function following antecedent recurrent hypoglycemia
Herzog RI, Jiang L, Herman P, Zhao C, Sanganahalli BG, Mason GF, Hyder F, Rothman DL, Sherwin RS, Behar KL. Lactate preserves neuronal metabolism and function following antecedent recurrent hypoglycemia. Journal Of Clinical Investigation 2013, 123: 1988-1998. PMID: 23543056, PMCID: PMC3638906, DOI: 10.1172/jci65105.Peer-Reviewed Original ResearchConceptsAntecedent recurrent hypoglycemiaRecurrent hypoglycemiaHypoglycemic conditionsIntensive insulin therapyTight glycemic controlType 2 diabetesInsulin therapyGlycemic controlBrain metabolismElevated lactateNeuronal metabolismRodent modelsNeuronal activityGlucose metabolismHypoglycemiaLactate uptakeNeuronal functionType 1Metabolic regulatorOxidative capacityModest incrementLactateMetabolismUnexpected findingBrain
2009
Recurrent Antecedent Hypoglycemia Alters Neuronal Oxidative Metabolism In Vivo
Jiang L, Herzog RI, Mason GF, de Graaf RA, Rothman DL, Sherwin RS, Behar KL. Recurrent Antecedent Hypoglycemia Alters Neuronal Oxidative Metabolism In Vivo. Diabetes 2009, 58: 1266-1274. PMID: 19276443, PMCID: PMC2682668, DOI: 10.2337/db08-1664.Peer-Reviewed Original ResearchConceptsAntecedent recurrent hypoglycemiaAcute hypoglycemiaRecurrent hypoglycemiaEuglycemic conditionsGlucose utilizationRecurrent insulin-induced hypoglycemiaWhole-brain glucose metabolismNeuronal oxidative metabolismInsulin-induced hypoglycemiaHyperinsulinemic-hypoglycemic clampAntecedent hypoglycemiaPyruvate dehydrogenase fluxHigh glucose utilizationBrain metabolismRat modelHypoglycemiaGlucose metabolismHypoglycemic conditionsBrain metabolitesBrain functionTricarboxylic acid cycle activityOxidative metabolismEnergy substratesEuglycemiaInfusion
2003
Calmodulin Binds to the C Terminus of Sodium Channels Nav1.4 and Nav1.6 and Differentially Modulates Their Functional Properties
Herzog RI, Liu C, Waxman SG, Cummins TR. Calmodulin Binds to the C Terminus of Sodium Channels Nav1.4 and Nav1.6 and Differentially Modulates Their Functional Properties. Journal Of Neuroscience 2003, 23: 8261-8270. PMID: 12967988, PMCID: PMC6740705, DOI: 10.1523/jneurosci.23-23-08261.2003.Peer-Reviewed Original ResearchConceptsVoltage-gated sodium channelsSodium channelsNeuronal sodium channelsCalcium-independent mechanismVGSC isoformsNeuronal plasticityCell excitabilityNav1.6 channelsNav1.6Overexpression of CaMCalcium-dependent mannerCalcium-independent mannerNav1.4Sodium channel Nav1.4Channel Nav1.4Functional expressionCurrent amplitudeThe pentapeptide QYNAD does not block voltage-gated sodium channels
Cummins T, Renganathan M, Herzog R, Dib-Hajj S, Waxman S, Stys P, Horn R. The pentapeptide QYNAD does not block voltage-gated sodium channels. Neurology 2003, 60: 1871-1872. PMID: 12796562, DOI: 10.1212/wnl.60.11.1871-a.Peer-Reviewed Original ResearchThe pentapeptide QYNAD does not block voltage-gated sodium channels
Cummins TR, Renganathan M, Stys PK, Herzog RI, Scarfo K, Horn R, Dib-Hajj SD, Waxman SG. The pentapeptide QYNAD does not block voltage-gated sodium channels. Neurology 2003, 60: 224-229. PMID: 12552035, DOI: 10.1212/01.wnl.0000042423.36650.bd.Peer-Reviewed Original ResearchConceptsVoltage-gated sodium channelsSodium channelsDifferent sodium channel subtypesSodium currentDorsal root ganglion neuronsInflammatory neurologic disordersMajor sodium channelPatch-clamp recordingsSodium channel subtypesSodium channel functionNodes of RanvierPentapeptide QYNADOptic nerveGanglion neuronsIntact neuronsNeurologic disordersQYNADChannel subtypesHuman CSFAbnormal myelinFiber tractsElevated levelsEndogenous pentapeptideMicro MChannel function