2021
Electrical cortical stimulation can impair production of the alphabet without impairing counting
Rojas PH, Sivaraju A, Quraishi IH, Vanderlind M, Rofes A, Połczynska-Bletsos MM, Spencer DD, Hirsch LJ, Benjamin CFA. Electrical cortical stimulation can impair production of the alphabet without impairing counting. Epilepsy & Behavior Reports 2021, 15: 100433. PMID: 33778464, PMCID: PMC7985277, DOI: 10.1016/j.ebr.2021.100433.Peer-Reviewed Case Reports and Technical NotesElectrical stimulation mappingCortical electrical stimulation mappingDrug-resistant focal epilepsyPatient experienced lossDrug-resistant epilepsyElectrical cortical stimulationLanguage-dominant hemisphereSuperior temporal gyrusPosterior superior temporal gyrusCortical stimulationFocal epilepsyStimulation mappingDominant hemispherePatientsTemporal gyrusSelective impairmentLanguage functionEpilepsyExperienced lossImpairmentBrainRiskLanguage impairmentSurgerySole means
2020
Dysregulation of Decision Making Related to Metabotropic Glutamate 5, but Not Midbrain D3, Receptor Availability Following Cocaine Self-administration in Rats
Groman SM, Hillmer AT, Liu H, Fowles K, Holden D, Morris ED, Lee D, Taylor JR. Dysregulation of Decision Making Related to Metabotropic Glutamate 5, but Not Midbrain D3, Receptor Availability Following Cocaine Self-administration in Rats. Biological Psychiatry 2020, 88: 777-787. PMID: 32826065, PMCID: PMC8935943, DOI: 10.1016/j.biopsych.2020.06.020.Peer-Reviewed Original ResearchConceptsCocaine-dependent individualsProbabilistic reversalRelapse-like behaviorTest of motivationReceptor availabilityPersistent drug useMetabotropic glutamate 5Neural mechanismsCompulsive patternsDecision-making processDrug-induced adaptationsSelective impairmentDrug useWeeks of abstinenceCocaine takingCocaine Self-AdministrationBrain regionsDegree of disruptionDays of cocaineAdult male ratsCocaine-induced increasesCocaine-induced changesDrug-induced alterationsRobust alterationsPositron emission tomography
2012
Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure
Groman SM, Lee B, Seu E, James AS, Feiler K, Mandelkern MA, London ED, Jentsch JD. Dysregulation of D2-Mediated Dopamine Transmission in Monkeys after Chronic Escalating Methamphetamine Exposure. Journal Of Neuroscience 2012, 32: 5843-5852. PMID: 22539846, PMCID: PMC3353813, DOI: 10.1523/jneurosci.0029-12.2012.Peer-Reviewed Original ResearchMeSH Keywords3,4-Dihydroxyphenylacetic AcidAnalysis of VarianceAnimalsBehavior, AnimalBrainCentral Nervous System StimulantsChlorocebus aethiopsChoice BehaviorDiscrimination LearningDopamineDopamine Plasma Membrane Transport ProteinsDose-Response Relationship, DrugDrug Administration ScheduleFeedback, SensoryHomovanillic AcidMagnetic Resonance ImagingMaleMethamphetaminePositron-Emission TomographyReceptors, Dopamine D2Retention, PsychologyReversal LearningSynaptic TransmissionTime FactorsConceptsInhibitory control deficitsIndividual differencesInhibitory controlStimulus-outcome associationsLike receptor availabilityReversal-learning performancePositive feedback sensitivityStimulant-dependent individualsSubstance abuse behaviorsDopamine transmissionDrug-induced neuroadaptationsControl deficitsSelective impairmentDrugs of abuseDopaminergic neurochemistryEscalating-dose regimenLike receptorsMethamphetamine exposureSubstance dependenceDopamine systemBrain dopamine levelsDopamine transporter availabilityDopaminergic neurotransmissionReceptor availabilityDeficits
2010
Haploinsufficiency for ribosomal protein genes causes selective activation of p53 in human erythroid progenitor cells
Dutt S, Narla A, Lin K, Mullally A, Abayasekara N, Megerdichian C, Wilson FH, Currie T, Khanna-Gupta A, Berliner N, Kutok JL, Ebert BL. Haploinsufficiency for ribosomal protein genes causes selective activation of p53 in human erythroid progenitor cells. Blood 2010, 117: 2567-2576. PMID: 21068437, PMCID: PMC3062351, DOI: 10.1182/blood-2010-07-295238.Peer-Reviewed Original ResearchMeSH KeywordsAnemia, Diamond-BlackfanAnemia, MacrocyticAnimalsBenzothiazolesCell CycleCell LineageCell NucleolusChromosome DeletionChromosomes, Human, Pair 5Cyclin-Dependent Kinase Inhibitor p21Erythroid Precursor CellsHaploinsufficiencyHematopoiesisHumansImidazolesMiceMice, Inbred BALB CMyelodysplastic SyndromesPiperazinesProtein BindingProto-Oncogene Proteins c-mdm2Ribosomal ProteinsRNA, Small InterferingTolueneTumor Suppressor Protein p53ConceptsErythroid progenitor cellsDiamond-Blackfan anemiaMyelodysplastic syndromeProgenitor cellsInduction of p53Bone marrow biopsyErythroid lineageNuclear p53 stainingFailure of erythropoiesisBone marrow failureHuman erythroid progenitor cellsMarrow biopsyHematopoietic progenitor cellsP53 stainingHuman hematopoietic progenitor cellsCell cycle arrestPharmacologic inhibitionMarrow failureNutlin-3Consequent cell cycle arrestP53 pathwayCycle arrestSelective impairmentExpression of shRNAsP53
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