2024
Deficits in brain glucose transport among younger adults with obesity
Gunawan F, Matson B, Coppoli A, Jiang L, Ding Y, Perry R, Sanchez‐Rangel E, DeAguiar R, Behar K, Rothman D, Mason G, Hwang J. Deficits in brain glucose transport among younger adults with obesity. Obesity 2024, 32: 1329-1338. PMID: 38764181, DOI: 10.1002/oby.24034.Peer-Reviewed Original ResearchBrain glucose transportLean participantsMarkers of insulin resistanceMagnetic resonance spectroscopy scansEffect of obesityAssociated with alterationsLong-term brain functionCerebral glucose metabolic rateGlucose transportGlucose metabolic rateCardiometabolic comorbiditiesBrain energy utilizationPeripheral markersHyperglycemic clampInsulin resistanceObesityBrain glucose uptakeHuman findingsEating behaviorsYounger ageYoung healthy participantsNeurocognitive functionGlucose transport capacityBrain functionNonesterified fatty acids
2019
Norepinephrine transporter availability in brown fat is reduced in obesity: a human PET study with [11C] MRB
Sanchez-Rangel E, Gallezot JD, Yeckel CW, Lam W, Belfort-DeAguiar R, Chen MK, Carson RE, Sherwin R, Hwang JJ. Norepinephrine transporter availability in brown fat is reduced in obesity: a human PET study with [11C] MRB. International Journal Of Obesity 2019, 44: 964-967. PMID: 31636373, PMCID: PMC7259982, DOI: 10.1038/s41366-019-0471-4.Peer-Reviewed Original ResearchConceptsBrown adipose tissueDetectable brown adipose tissueDistribution volume ratioMultilinear reference tissue model 2Norepinephrine transporterSympathetic innervationNorepinephrine transporter availabilityHuman brown adipose tissueDense sympathetic innervationPET-CT imagingReference tissue model 2Human PET studiesSupraclavicular regionCaucasian womenTransporter availabilityOccipital cortexObesityTherapeutic targetAdipose tissueBrown fatPET studiesWomenInnervationSelective ligandsEnergy-dissipating propertiesIn a Free-Living Setting, Obesity Is Associated With Greater Food Intake in Response to a Similar Premeal Glucose Nadir
Kim J, Lam W, Wang Q, Parikh L, Elshafie A, Sanchez-Rangel E, Schmidt C, Li F, Hwang J, Belfort-DeAguiar R. In a Free-Living Setting, Obesity Is Associated With Greater Food Intake in Response to a Similar Premeal Glucose Nadir. The Journal Of Clinical Endocrinology & Metabolism 2019, 104: 3911-3919. PMID: 31087061, PMCID: PMC6667277, DOI: 10.1210/jc.2019-00240.Peer-Reviewed Original ResearchFood intakeGlucose levelsNW individualsOB individualsPremeal glucoseCGM glucose levelsNormal-weight individualsBlood glucose levelsContinuous glucose-monitoring systemGreater food intakeInterstitial glucose levelsGlucose-monitoring systemGlucose nadirsWeight individualsGlucose profilesObeseFood logsEffect of glucoseHealthy individualsFree-Living SettingsIntakePostprandial ratesObesityLevel stimuliPredictive effect