2014
Evaluation of the sensitivity of the novel α4β2* nicotinic acetylcholine receptor PET radioligand 18F‐(‐)‐NCFHEB to increases in synaptic acetylcholine levels in rhesus monkeys
Gallezot J, Esterlis I, Bois F, Zheng M, Lin S, Kloczynski T, Krystal JH, Huang Y, Sabri O, Carson RE, Cosgrove KP. Evaluation of the sensitivity of the novel α4β2* nicotinic acetylcholine receptor PET radioligand 18F‐(‐)‐NCFHEB to increases in synaptic acetylcholine levels in rhesus monkeys. Synapse 2014, 68: 556-564. PMID: 25043426, PMCID: PMC4224280, DOI: 10.1002/syn.21767.Peer-Reviewed Original ResearchConceptsSynaptic acetylcholine concentrationPositron emission tomographyAcetylcholine concentrationRhesus monkeysInfusion of physostigmineSynaptic acetylcholine levelsDose-dependent reductionNicotinic acetylcholine receptorsAcetylcholine levelsBolus injectionAcetylcholine receptorsAcetylcholine dynamicsNew radioligandEmission tomographyArterial input functionAcetylcholinesterase inhibitorsRadioligandThalamusPhysostigmineDonepezilΑ4β2Promising tracerBaselineMonkeysShort scan duration
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