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μ-Opioid receptor availability in the amygdala is associated with smoking for negative affect relief

PSYCHOPHARMACOLOGY, 2012-08, Vol.222 (4), p.701-708 [Peer Reviewed Journal]

Springer-Verlag 2012 ;2015 INIST-CNRS ;ISSN: 0033-3158 ;EISSN: 1432-2072 ;DOI: 10.1007/s00213-012-2673-5 ;PMID: 22389047 ;CODEN: PSYPAG

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Title:
μ-Opioid receptor availability in the amygdala is associated with smoking for negative affect relief
Author: Falcone, Mary ; Gold, Allison B. ; Wileyto, E. Paul ; Ray, Riju ; Ruparel, Kosha ; Newberg, Andrew ; Dubroff, Jacob ; Logan, Jean ; Zubieta, Jon-Kar ; Blendy, Julie A. ; Lerman, Caryn
Subjects: Acute effects ; Addictive behaviors ; Adult ; Adult and adolescent clinical studies ; Affect - drug effects ; Affect - physiology ; affect regulation ; Amygdala ; Amygdala - diagnostic imaging ; Amygdala - metabolism ; Amygdala - physiopathology ; Biological and medical sciences ; Biomedical and Life Sciences ; Biomedicine ; Carbon Radioisotopes ; Cigarette smoking ; Data processing ; Double-Blind Method ; Emotions ; Female ; Fentanyl - analogs & derivatives ; Functional Neuroimaging - methods ; Functional Neuroimaging - psychology ; Humans ; Male ; Medical sciences ; Motivation ; Motivation - physiology ; mu-Opioid receptor ; Neurosciences ; Neurotransmission ; Nicotine ; Nicotine - pharmacology ; Opioid receptors ; Opioid receptors (type mu) ; Original Investigation ; Perception ; PET (positron emission tomography) ; Pharmacology/Toxicology ; Positron emission tomography ; Positron-Emission Tomography - methods ; Positron-Emission Tomography - psychology ; Psychiatry ; Psychology. Psychoanalysis. Psychiatry ; Psychopathology. Psychiatry ; Radioligand Assay - methods ; Radioligand Assay - psychology ; Receptors, Opioid, mu - metabolism ; Receptors, Opioid, mu - physiology ; Smoke ; Smoking - physiopathology ; Smoking - psychology ; smoking motivation ; Tobacco smoking ; Tobacco, tobacco smoking ; Toxicology
Is Part Of: PSYCHOPHARMACOLOGY, 2012-08, Vol.222 (4), p.701-708
Description: Rationale The perception that smoking relieves negative affect contributes to smoking persistence. Endogenous opioid neurotransmission, and the μ-opioid receptor (MOR) in particular, plays a role in affective regulation and is modulated by nicotine. Objectives We examined the relationship of MOR binding availability in the amygdala to the motivation to smoke for negative affect relief and to the acute effects of smoking on affective responses. Methods Twenty-two smokers were scanned on two separate occasions after overnight abstinence using [ 11 C]carfentanil positron emission tomography imaging: after smoking a nicotine-containing cigarette and after smoking a denicotinized cigarette. Self-reports of smoking motives were collected at baseline, and measures of positive and negative affect were collected pre- and post- cigarette smoking. Results Higher MOR availability in the amygdala was associated with motivation to smoke to relieve negative affect. However, MOR availability was unrelated to changes in affect after smoking either cigarette. Conclusions Increased MOR availability in amygdala may underlie the motivation to smoke for negative affective relief. These results are consistent with previous data highlighting the role of MOR neurotransmission in smoking behavior.
Publisher: Berlin/Heidelberg: Springer-Verlag
Language: English
Identifier: ISSN: 0033-3158
EISSN: 1432-2072
DOI: 10.1007/s00213-012-2673-5
PMID: 22389047
CODEN: PSYPAG
Source: ProQuest One Psychology
MEDLINE
Alma/SFX Local Collection
ProQuest Central

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μ-Opioid receptor availability in the amygdala is associated with smoking for negative affect relief

Springer-Verlag 2012 ;2015 INIST-CNRS ;ISSN: 0033-3158 ;EISSN: 1432-2072 ;DOI: 10.1007/s00213-012-2673-5 ;PMID: 22389047 ;CODEN: PSYPAG

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