2024
In vivo neuropil density from anatomical MRI and machine learning
Akif A, Staib L, Herman P, Rothman D, Yu Y, Hyder F. In vivo neuropil density from anatomical MRI and machine learning. Cerebral Cortex 2024, 34: bhae200. PMID: 38771239, PMCID: PMC11107380, DOI: 10.1093/cercor/bhae200.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingSynaptic densityNeuropil densityCellular densityArtificial neural networkNeural networkPositron emission tomographyAnatomical magnetic resonance imagingHealthy subjectsSynaptic activityMRI scansMachine learning algorithmsBrain's energy budgetEmission tomographyIn vivo MRI scansResonance imagingTissue cellularityLearning algorithmsDiffusion magnetic resonance imagingMachine learningMicroscopic interpretationInterpretation of functional neuroimaging dataIndividual predictionsSubjects
2001
Spectroscopic Assessment of Alterations in Macromolecule and Small-Molecule Metabolites in Human Brain After Stroke
Graham G, Hwang J, Rothman D, Prichard J. Spectroscopic Assessment of Alterations in Macromolecule and Small-Molecule Metabolites in Human Brain After Stroke. Stroke 2001, 32: 2797-2802. PMID: 11739976, DOI: 10.1161/hs1201.099414.Peer-Reviewed Original Research
2000
Human Brain β-Hydroxybutyrate and Lactate Increase in Fasting-Induced Ketosis
Pan J, Rothman D, Behar K, Stein D, Hetherington H. Human Brain β-Hydroxybutyrate and Lactate Increase in Fasting-Induced Ketosis. Cerebrovascular And Brain Metabolism Reviews 2000, 20: 1502-1507. PMID: 11043913, DOI: 10.1097/00004647-200010000-00012.Peer-Reviewed Original ResearchConceptsBHB levelsPlasma BHB levelsField magnetic resonance spectroscopyHigh-field magnetic resonance spectroscopyBrain lactateKetogenic dietCalcarine fissureNonfasted stateOccipital lobeHealthy adultsLactate increaseThird dayΒ-hydroxybutyrateKetosisBHB concentrationsBrainBHBGlucose phosphorylationLactate oxidationMagnetic resonance spectroscopyProton MRS: GABA and glutamate.
Petroff O, Mattson R, Rothman D. Proton MRS: GABA and glutamate. Advances In Neurology 2000, 83: 261-71. PMID: 10999208.Peer-Reviewed Original Research
1997
Homocarnosine and the measurement of neuronal pH in patients with epilepsy
Rothman D, Behar K, Prichard J, Petroff O. Homocarnosine and the measurement of neuronal pH in patients with epilepsy. Magnetic Resonance In Medicine 1997, 38: 924-929. PMID: 9402193, DOI: 10.1002/mrm.1910380611.Peer-Reviewed Original Research
1996
Human Brain γ‐Aminobutyric Acid Levels and Seizure Control Following Initiation of Vigabatrin Therapy
Petroff O, Behar K, Mattson R, Rothman D. Human Brain γ‐Aminobutyric Acid Levels and Seizure Control Following Initiation of Vigabatrin Therapy. Journal Of Neurochemistry 1996, 67: 2399-2404. PMID: 8931472, DOI: 10.1046/j.1471-4159.1996.67062399.x.Peer-Reviewed Original ResearchConceptsBrain GABA contentImproved seizure controlBrain GABA levelsSeizure controlVigabatrin treatmentGABA levelsDaily doseAntiepileptic drugsOccipital lobeBrain gamma-aminobutyric acid (GABA) concentrationsGABA concentrationHuman brain GABA levelsGABA contentGamma-aminobutyric acid concentrationΓ-aminobutyric acid (GABA) levelsComplex partial seizuresNovel antiepileptic drugBrain GABA concentrationsSeizure frequencyPartial seizuresVigabatrin therapySustained elevationHuman occipital lobeGABA synthesisAcid levelsLow brain GABA level is associated with poor seizure control
Petroff O, Rothman D, Behar K, Mattson R. Low brain GABA level is associated with poor seizure control. Annals Of Neurology 1996, 40: 908-911. PMID: 9007096, DOI: 10.1002/ana.410400613.Peer-Reviewed Original ResearchConceptsLower GABA levelsBrain GABA levelsLower brain GABA levelsPoor seizure controlGABA levelsSeizure controlRecent seizuresGamma-aminobutyric acid concentrationComplex partial seizuresPartial seizuresEpileptic syndromesEpileptic focusOccipital lobeCerebrospinal fluidPatientsSeizuresSignificant associationMagnetic resonanceVivo measurementsSurface coilLevelsEpilepsySyndromeGABAAcid concentrationHuman brain GABA levels rise after initiation of vigabatrin therapy but fail to rise further with increasing dose
Petroff O, Rothman D, Behar K, Mattson R. Human brain GABA levels rise after initiation of vigabatrin therapy but fail to rise further with increasing dose. Neurology 1996, 46: 1459-1463. PMID: 8628502, DOI: 10.1212/wnl.46.5.1459.Peer-Reviewed Original ResearchShort echo time proton magnetic resonance spectroscopic imaging of macromolecule and metabolite signal intensities in the human brain
Hwang J, Graham G, Behar K, Alger J, Prichard J, Rothman D. Short echo time proton magnetic resonance spectroscopic imaging of macromolecule and metabolite signal intensities in the human brain. Magnetic Resonance In Medicine 1996, 35: 633-639. PMID: 8722812, DOI: 10.1002/mrm.1910350502.Peer-Reviewed Original ResearchConceptsSubacute stroke patientsProton magnetic resonance spectroscopicProton magnetic resonance spectroscopic imagingMagnetic resonance spectroscopic imagingStroke patientsHealthy subjectsMagnetic resonance spectroscopicMetabolite signal intensitiesBrain regionsPathological conditionsMacromolecule resonancesHuman brainBrainSignal intensitySubjectsRecovery timeSpectroscopic imagingPatients1H NMR Studies of Glucose Transport in the Human Brain
Gruetter R, Novotny† E, Boulware† S, Rothman* D, Shulman R. 1H NMR Studies of Glucose Transport in the Human Brain. Cerebrovascular And Brain Metabolism Reviews 1996, 16: 427-438. PMID: 8621747, DOI: 10.1097/00004647-199605000-00009.Peer-Reviewed Original ResearchThe effect of gabapentin on brain gamma‐aminobutyric acid in patients with epilepsy
Petroff O, Rothman D, Behar K, Lamoureux D, Mattson R. The effect of gabapentin on brain gamma‐aminobutyric acid in patients with epilepsy. Annals Of Neurology 1996, 39: 95-99. PMID: 8572673, DOI: 10.1002/ana.410390114.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidBrain GABA levelsGABA levelsHuman brain GABA levelsBrain gamma-aminobutyric acidHigh-dose gabapentinAntiepileptic drug treatmentEffect of gabapentinPartial epilepsy patientsTreatment of epilepsyMechanism of actionAdjunctive therapyStandard dosesDrug treatmentEpilepsy patientsOccipital cortexGabapentinPatientsClinical useEpilepsyHuman brainMagnetic resonanceTreatmentMagnetic resonance spectroscopyVivo measurements
1995
Initial Observations on Effect of Vigabatrin on In Vivo 1H Spectroscopic Measurements of γ‐Aminobutyric Acid, Glutamate, and Glutamine in Human Brain
Petroff O, Rothman D, Behar K, Mattson R. Initial Observations on Effect of Vigabatrin on In Vivo 1H Spectroscopic Measurements of γ‐Aminobutyric Acid, Glutamate, and Glutamine in Human Brain. Epilepsia 1995, 36: 457-464. PMID: 7614922, DOI: 10.1111/j.1528-1157.1995.tb00486.x.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA levelsMumol/Antiepileptic drugsOccipital GABA levelsEffective antiepileptic drugEffects of vigabatrinStandard medicationStandard doseΓ-aminobutyric acidHealthy subjectsEpileptic patientsVigabatrinPatientsGABA transaminaseHuman cerebrumNoninvasive measurementHuman brainBrainGlutamateInitial observationsMedicationsCerebrumLevelsDoseIn Vivo Measurement of Phenylalanine in Human Brain by Proton Nuclear Magnetic Resonance Spectroscopy
Novotny E, Avison M, Herschkowitz N, Petroff O, Prichard J, Seashore M, Rothman D. In Vivo Measurement of Phenylalanine in Human Brain by Proton Nuclear Magnetic Resonance Spectroscopy. Pediatric Research 1995, 37: 244-249. PMID: 7731764, DOI: 10.1203/00006450-199502000-00020.Peer-Reviewed Original ResearchConceptsPhe concentrationsPlasma Phe concentrationsEfficacy of therapyCerebral concentrationsUntreated subjectsCerebral metabolitesNeurometabolic disorderControl studyPKU patientsPlasma PheMagnetic resonance spectroscopyMajor causePhenylketonuriaClinical magnetic resonance imaging systemNuclear magnetic resonance spectroscopyMagnetic resonance imaging systemHuman brainResonance imaging systemDisordersSubjectsImaging systemProton nuclear magnetic resonance spectroscopic studiesMagnetic resonance spectroscopic studiesResonance spectroscopyPHE signal
1994
Localized 13C NMR Spectroscopy in the Human Brain of Amino Acid Labeling from d‐[1‐13C]Glucose
Gruetter R, Novotny E, Boulware S, Mason G, Rothman D, Shulman G, Prichard J, Shulman R. Localized 13C NMR Spectroscopy in the Human Brain of Amino Acid Labeling from d‐[1‐13C]Glucose. Journal Of Neurochemistry 1994, 63: 1377-1385. PMID: 7931289, DOI: 10.1046/j.1471-4159.1994.63041377.x.Peer-Reviewed Original ResearchAnalysis of macromolecule resonances in 1H NMR spectra of human brain
Behar K, Rothman D, Spencer D, Petroff O. Analysis of macromolecule resonances in 1H NMR spectra of human brain. Magnetic Resonance In Medicine 1994, 32: 294-302. PMID: 7984061, DOI: 10.1002/mrm.1910320304.Peer-Reviewed Original Research
1993
Localized 1H NMR measurements of gamma-aminobutyric acid in human brain in vivo.
Rothman D, Petroff O, Behar K, Mattson R. Localized 1H NMR measurements of gamma-aminobutyric acid in human brain in vivo. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 5662-5666. PMID: 8516315, PMCID: PMC46781, DOI: 10.1073/pnas.90.12.5662.Peer-Reviewed Original ResearchConceptsGamma-aminobutyric acidGABA concentrationGABA-transaminase inhibitor vigabatrinBrain gamma-aminobutyric acidDose-dependent elevationSeizure suppressionOccipital lobeHigh doseNonepileptic subjectsHuman volunteersHuman cortexVigabatrinDrug vigabatrinBrainPatientsHuman brainVolunteersCortexDose
1992
Localized 13C NMR spectroscopy of myo‐inositol in the human brain in vivo
Gruetter R, Rothman D, Novotny E, Hulman R. Localized 13C NMR spectroscopy of myo‐inositol in the human brain in vivo. Magnetic Resonance In Medicine 1992, 25: 204-210. PMID: 1593953, DOI: 10.1002/mrm.1910250121.Peer-Reviewed Original Research
1991
1H NMR study of renal trimethylamine responses to dehydration and acute volume loading in man.
Avison M, Rothman D, Nixon T, Long W, Siegel N. 1H NMR study of renal trimethylamine responses to dehydration and acute volume loading in man. Proceedings Of The National Academy Of Sciences Of The United States Of America 1991, 88: 6053-6057. PMID: 2068084, PMCID: PMC52020, DOI: 10.1073/pnas.88.14.6053.Peer-Reviewed Original ResearchCorrelation of lactate and pH in human skeletal muscle after exercise by 1H NMR
Pan J, Hamm J, Hetherington H, Rothman D, Shulman R. Correlation of lactate and pH in human skeletal muscle after exercise by 1H NMR. Magnetic Resonance In Medicine 1991, 20: 57-65. PMID: 1943662, DOI: 10.1002/mrm.1910200107.Peer-Reviewed Original Research13C-NMR measurements of muscle glycogen during low-intensity exercise
Price T, Rothman D, Avison M, Buonamico P, Shulman R. 13C-NMR measurements of muscle glycogen during low-intensity exercise. Journal Of Applied Physiology 1991, 70: 1836-1844. PMID: 2055862, DOI: 10.1152/jappl.1991.70.4.1836.Peer-Reviewed Original ResearchConceptsLow-intensity exerciseMuscle glycogenLight exerciseProtocol 1Blood velocityHours of exerciseMaximum voluntary contractionMin of onsetExercised legNonexercised legFemoral arteryVoluntary contractionGlycogen repletionHeavy exercisePlantar flexionGastrocnemius muscleFemale subjectsGlycogen levelsGlycogen metabolismFive minutesExerciseGlycogenSubjectsMagnetic resonance spectroscopyLeg