2009
GABAA‐benzodiazepine receptor availability in smokers and nonsmokers: Relationship to subsyndromal anxiety and depression
Esterlis I, Cosgrove KP, Batis JC, Bois F, Kloczynski TA, Stiklus SM, Perry E, Tamagnan GD, Seibyl JP, Makuch R, Krishnan‐Sarin S, O'Malley S, Staley JK. GABAA‐benzodiazepine receptor availability in smokers and nonsmokers: Relationship to subsyndromal anxiety and depression. Synapse 2009, 63: 1089-1099. PMID: 19642218, PMCID: PMC2778224, DOI: 10.1002/syn.20688.Peer-Reviewed Original ResearchConceptsSpielberger State-Trait Anxiety IndexState-Trait Anxiety IndexDepressive symptomsSubsyndromal anxietyAnxiety symptomsPain toleranceReceptor availabilityAbstinent tobacco smokersSex-matched nonsmokersSingle photon emissionPain symptomsHealthy ageSmoking statusTobacco smokersSubsyndromal depressionAbstinent smokersVulnerable smokersCold pressor taskNonsmokersGamma-aminobutyricEpidemiology ScaleSmokersAcute abstinenceBrain areasSymptoms
2005
Cortical γ-Aminobutyric Acid Type A–Benzodiazepine Receptors in Recovery From Alcohol Dependence: Relationship to Features of Alcohol Dependence and Cigarette Smoking
Staley JK, Gottschalk C, Petrakis IL, Gueorguieva R, O’Malley S, Baldwin R, Jatlow P, Verhoeff NP, Perry E, Weinzimmer D, Frohlich E, Ruff E, van Dyck CH, Seibyl JP, Innis RB, Krystal JH. Cortical γ-Aminobutyric Acid Type A–Benzodiazepine Receptors in Recovery From Alcohol Dependence: Relationship to Features of Alcohol Dependence and Cigarette Smoking. JAMA Psychiatry 2005, 62: 877-888. PMID: 16061765, DOI: 10.1001/archpsyc.62.8.877.Peer-Reviewed Original ResearchConceptsWeeks of abstinenceIomazenil single-photon emissionSingle photon emissionDays of sobrietyAlcohol dependenceIomazenil uptakeTomographic scanBenzodiazepine receptorsVoxel-based statistical parametric mappingReceptor adaptationDistribution volumeReceptor functionGamma-aminobutyric acid type ABenzodiazepine receptor levelsIodine I 123Reduced receptor functionHuman alcohol dependenceLast alcoholic drinkHealthy comparison groupStatistical parametric mappingAlcohol withdrawalClinical featuresSmoking statusCigarette smokingAcute withdrawal