2015
Decreased SGK1 Expression and Function Contributes to Behavioral Deficits Induced by Traumatic Stress
Licznerski P, Duric V, Banasr M, Alavian KN, Ota KT, Kang HJ, Jonas EA, Ursano R, Krystal JH, Duman RS, . Decreased SGK1 Expression and Function Contributes to Behavioral Deficits Induced by Traumatic Stress. PLOS Biology 2015, 13: e1002282. PMID: 26506154, PMCID: PMC4623974, DOI: 10.1371/journal.pbio.1002282.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnimalsBehavior, AnimalCohort StudiesDendritic SpinesDepressive Disorder, MajorEnzyme RepressionFemaleGene Transfer TechniquesHippocampusHumansImmediate-Early ProteinsMaleMiddle AgedNerve Tissue ProteinsNeuronsPrefrontal CortexProtein Serine-Threonine KinasesRats, Sprague-DawleySignal TransductionStress Disorders, Post-TraumaticSynaptic TransmissionTissue BanksConceptsMajor depressive disorderPost-traumatic stress disorderPrefrontal cortexAbnormal dendritic spine morphologyCorticolimbic brain regionsAnhedonic-like behaviorInhibition of SGK1Dendritic spine morphologyKinase 1 expressionAmygdala of individualsTraumatic stressPostmortem prefrontal cortexSynaptic dysfunctionDepressive disorderBehavioral deficitsRodent modelsPTSD subjectsFunctional alterationsBrain regionsSGK1 expressionSpine morphologyStress disorderFunction contributesBehavioral changesDisorders
1991
Excitatory amino acids and morphine withdrawal: differential effects of central and peripheral kynurenic acid administration
Rasmussen K, Krystal J, Aghajanian G. Excitatory amino acids and morphine withdrawal: differential effects of central and peripheral kynurenic acid administration. Psychopharmacology 1991, 105: 508-512. PMID: 1771218, DOI: 10.1007/bf02244371.Peer-Reviewed Original ResearchConceptsAcid administrationKynurenic acidSubcutaneous administrationPeripheral excitatory amino acid receptorsExcitatory amino acid antagonist kynurenic acidExcitatory amino acid receptorsAntagonist kynurenic acidExcitatory amino acidsAmino acid receptorsLocus coeruleus neuronsMorphine-dependent ratsBlood-brain barrierSingle-unit recordingsMorphine withdrawalCoeruleus neuronsAntagonist treatmentAbstinence symptomsOpiate withdrawalUnit recordingsAnesthetized animalsAcid receptorsBehavioral signsAdministrationDifferential effectsWithdrawal
1990
Opiate withdrawal and the rat locus coeruleus: behavioral, electrophysiological, and biochemical correlates
Rasmussen K, Beitner-Johnson D, Krystal J, Aghajanian G, Nestler E. Opiate withdrawal and the rat locus coeruleus: behavioral, electrophysiological, and biochemical correlates. Journal Of Neuroscience 1990, 10: 2308-2317. PMID: 2115910, PMCID: PMC6570391, DOI: 10.1523/jneurosci.10-07-02308.1990.Peer-Reviewed Original Research
1989
Intermittent naloxone attenuates the development of physical dependence on methadone in rhesus monkeys
Krystal J, Walker M, Heninger G. Intermittent naloxone attenuates the development of physical dependence on methadone in rhesus monkeys. European Journal Of Pharmacology 1989, 160: 331-338. PMID: 2540995, DOI: 10.1016/0014-2999(89)90088-5.Peer-Reviewed Original ResearchConceptsOpiate withdrawal syndromeInjection of naloxoneWithdrawal syndromeTreatment periodNaloxone injectionNaloxone administrationWithdrawal responsePhysical dependenceDays of methadoneAntagonist exposureMethadone treatmentDaily injectionsLack of incrementReceptor mechanismsDrug combinationsNaloxoneRhesus monkeysSyndromeDay 16MethadoneSame monkeysManagement of situationsInjectionAdministrationDaysThe effects of carbon dioxide inhalation of plasma MHPG, plasma hormones respiratory rate, and behavior in the Rhesus monkey
Krystal J, Woods S, Levesque M, Heninger C, Heninger G. The effects of carbon dioxide inhalation of plasma MHPG, plasma hormones respiratory rate, and behavior in the Rhesus monkey. Life Sciences 1989, 45: 1657-1663. PMID: 2511388, DOI: 10.1016/0024-3205(89)90275-0.Peer-Reviewed Original ResearchConceptsGrowth hormonePlasma MHPGChair-adapted rhesus monkeysRespiratory rateRhesus monkeysSignificant dose-dependent increaseEffects of inhalationDose-dependent increaseCarbon dioxide inhalationNorepinephrine metabolitePlasma levelsPlasma hormonesMHPGBehavioral activationInhalationHormoneProlactinShort durationCortisolMonkeysMinutesPeak changes
1983
A preliminary description of acute physical dependence on morphine in the vervet monkey
Krystal JH, Redmond DE. A preliminary description of acute physical dependence on morphine in the vervet monkey. Pharmacology Biochemistry And Behavior 1983, 18: 289-291. PMID: 6682230, DOI: 10.1016/0091-3057(83)90379-9.Peer-Reviewed Original ResearchConceptsAcute physical dependencePhysical dependencePrevious animal studiesDevelopment of dependenceIntravenous morphineOpioid withdrawalOpiate dependencyNaloxone administrationNonhuman primate subjectsSyndrome characteristicsAnimal studiesMorphinePrimate subjectsVervet monkeysHoursMonkeysOpioidsPrimate speciesAdministration