2023
Concerted roles of LRRTM1 and SynCAM 1 in organizing prefrontal cortex synapses and cognitive functions
de Arce K, Ribic A, Chowdhury D, Watters K, Thompson G, Sanganahalli B, Lippard E, Rohlmann A, Strittmatter S, Missler M, Hyder F, Biederer T. Concerted roles of LRRTM1 and SynCAM 1 in organizing prefrontal cortex synapses and cognitive functions. Nature Communications 2023, 14: 459. PMID: 36709330, PMCID: PMC9884278, DOI: 10.1038/s41467-023-36042-w.Peer-Reviewed Original ResearchConceptsPrefrontal cortexDKO miceSynCAM 1Aberrant neuronal activityDendritic spine numberPrefrontal cortex synapsesSynapse organizersSynapse numberMature brainNeuronal activityKnockout miceSpine numberSynapse developmentCognitive functionTrans-synaptic complexesImmunoglobulin family membersMiceFamily membersSynapsesLRRTM1Behavioral domainsHippocampusCognitive tasksConcerted roleCortexHippocampal neurochemicals are associated with exercise group and intensity, psychological health, and general cognition in older adults
Reitlo L, Mihailovic J, Stensvold D, Wisløff U, Hyder F, Håberg A. Hippocampal neurochemicals are associated with exercise group and intensity, psychological health, and general cognition in older adults. GeroScience 2023, 45: 1667-1685. PMID: 36626020, PMCID: PMC10400748, DOI: 10.1007/s11357-022-00719-9.Peer-Reviewed Original ResearchConceptsSupervised exercise groupNational physical activity guidelinesPhysical activity guidelinesLower NAA/CrHippocampal bodyNAA/CrActivity guidelinesControl groupExercise groupLower Cho/CrPhysical activity/exerciseOlder adultsGeneration 100 StudyPsychological healthModerate physical activityActivity/exerciseDays/weekPeak oxygen uptakeCho/CrHigher training intensityMagnetic resonance imagingHigh-intensity trainingHippocampal metabolitesNeuronal viabilityHippocampal volume
2013
Glutamatergic Function in the Resting Awake Human Brain is Supported by Uniformly High Oxidative Energy
Hyder F, Fulbright RK, Shulman RG, Rothman DL. Glutamatergic Function in the Resting Awake Human Brain is Supported by Uniformly High Oxidative Energy. Cerebrovascular And Brain Metabolism Reviews 2013, 33: 339-347. PMID: 23299240, PMCID: PMC3587823, DOI: 10.1038/jcbfm.2012.207.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingMagnetic resonance spectroscopy studyAwake resting stateFuture clinical investigationsMagnetic resonance imagingHigh resting activityAwake human brainGray matter regionsGlutamatergic functionGlutamatergic signalingMetabolic measuresClinical investigationAwake stateResting activityVisual cortexGlucose utilizationResonance imaging