Keyword search (4,163 papers available)

"Leyton M" Authored Publications:

Title Authors PubMed ID
1 Decriminalization or more treatment? Comparing 2 approaches to the drug overdose crisis Caswell C; Krausz RM; Leyton M; 40541419
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2 A multimodal neuroimaging study of youth at risk for substance use disorders: Functional magnetic resonance imaging and [18F]fallypride positron emission tomography Nikolic M; Cox SML; Jaworska N; Castellanos-Ryan N; Dagher A; Vitaro F; Brendgen M; Parent S; Boivin M; Côté S; Tremblay RE; Séguin JR; Leyton M; 39725679
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3 Ending the overdose epidemic by ending the war on drug users: Can this work? Leyton M; Krausz RM; 38383036
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4 Mesocorticolimbic function in cocaine polydrug users: A multimodal study of drug cue reactivity and cognitive regulation Scala SG; Kang MS; Cox SML; Rosa-Neto P; Massarweh G; Leyton M; 38221806
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5 Learning from opioid withdrawal: Effects on striatal dopamine (Commentary on Ahn et al., 2023) Leyton M; Nikolic M; 38129315
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6 Brain PET Imaging in Small Animals: Tracer Formulation, Data Acquisition, Image Reconstruction, and Data Analysis Bdair H; Kang MS; Ottoy J; Aliaga A; Kunach P; Singleton TA; Blinder S; Soucy JP; Leyton M; Rosa-Neto P; Kostikov A; 38006502
PERFORM
7 Cocaine cue-induced mesocorticolimbic activation in cocaine users: Effects of personality traits, lifetime drug use, and acute stimulant ingestion D' Amour-Horvat V; Cox SML; Dagher A; Kolivakis T; Jaworska N; Leyton M; 34463411
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8 Why did the kitten cross the road? A meditation on positive versus negative reinforcement in addiction. Leyton M 33497168
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9 Metabotropic glutamate type 5 receptor binding availability during dextroamphetamine sensitization in mice and humans. Smart K, Nagano-Saito A, Milella MS, Sakae DY, Favier M, Vigneault E, Louie L, Hamilton A, Ferguson SSG, Rosa-Neto P, Narayanan S, El Mestikawy S, Leyton M, Benkelfat C 32559027
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10 mGlu5 receptor availability in youth at risk for addictions: effects of vulnerability traits and cannabis use. Cox SML, Tippler M, Jaworska N, Smart K, Castellanos-Ryan N, Durand F, Allard D, Benkelfat C, Parent S, Dagher A, Vitaro F, Boivin M, Pihl RO, Côté S, Tremblay RE, Séguin JR, Leyton M 32413893
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11 Extra-striatal D2/3 receptor availability in youth at risk for addiction. Jaworska N, Cox SML, Tippler M, Castellanos-Ryan N, Benkelfat C, Parent S, Dagher A, Vitaro F, Boivin M, Pihl RO, Côté SM, Tremblay RE, Séguin JR, Leyton M 32259831
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12 Cannabis legalization: Did we make a mistake? Update 2019 Leyton M 31452361
PSYCHOLOGY
13 Legalizing marijuana. Leyton M 26898727
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14 Cocaine cue-induced dopamine release in the human prefrontal cortex. Milella MS, Fotros A, Gravel P, Casey KF, Larcher K, Verhaeghe JA, Cox SM, Reader AJ, Dagher A, Benkelfat C, Leyton M 26900792
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15 Dopamine and light: effects on facial emotion recognition. Cawley E, Tippler M, Coupland NJ, Benkelfat C, Boivin DB, Aan Het Rot M, Leyton M 28633582
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16 Are people with psychiatric disorders violent? Leyton M 29688170
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17 Are people with psychiatric disorders violent? Leyton M 29947604
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18 Neuroimaging tests for clinical psychiatry: Are we there yet? Leyton M, Kennedy SH 28639935
IMAGING
19 Dopamine cross-sensitization between psychostimulant drugs and stress in healthy male volunteers. Booij L, Welfeld K, Leyton M, Dagher A, Boileau I, Sibon I, Baker GB, Diksic M, Soucy JP, Pruessner JC, Cawley-Fiset E, Casey KF, Benkelfat C 26905412
PSYCHOLOGY
20 Effect of (Z)-isomer content on [11C]ABP688 binding potential in humans. Smart K, Cox SML, Kostikov A, Shalai A, Scala SG, Tippler M, Jaworska N, Boivin M, Séguin JR, Benkelfat C, Leyton M 30607444
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21 Sex differences in [11C]ABP688 binding: a positron emission tomography study of mGlu5 receptors. Smart K, Cox SML, Scala SG, Tippler M, Jaworska N, Boivin M, Séguin JR, Benkelfat C, Leyton M 30627817
CSBN
22 Posterior dopamine D2/3 receptors and brain network functional connectivity. Nagano-Saito A, Lissemore JI, Gravel P, Leyton M, Carbonell F, Benkelfat C 28700819
PERFORM

 

Title:Sex differences in [11C]ABP688 binding: a positron emission tomography study of mGlu5 receptors.
Authors:Smart K,  Cox SML,  Scala SG,  Tippler M,  Jaworska N,  Boivin M,  Séguin JR,  Benkelfat C,  Leyton M
Link:https://www.ncbi.nlm.nih.gov/pubmed/30627817?dopt=Abstract
Publication:
Keywords:
PMID:30627817 Category:Eur J Nucl Med Mol Imaging Date Added:2019-05-31
Dept Affiliation: CSBN
1 Department of Psychiatry, McGill University, 1033 Pine Avenue West, Montreal, QC, H3A 1A1, Canada.
2 Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, K1H 8M5, Canada.
3 Institute of Mental Health Research, affiliated with the University of Ottawa, Ottawa, ON, K1Z 7K4, Canada.
4 Department of Psychology, Université Laval, Quebec City, QC, G1V 0A6, Canada.
5 CHU Ste-Justine Research Center, Montreal, QC, H3T 1C5, Canada.
6 Department of Psychiatry and Addiction, Université de Montréal, Montreal, QC, H3T 1J4, Canada.
7 Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, H3A 2B4, Canada.
8 Department of Psychiatry, McGill University, 1033 Pine Avenue West, Montreal, QC, H3A 1A1, Canada. marco.leyton@mcgill.ca.
9 CHU Ste-Justine Research Center, Montreal, QC, H3T 1C5, Canada. marco.leyton@mcgill.ca.
10 Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, H3A 2B4, Canada. marco.leyton@mcgill.ca.
11 Department of Psychology, McGill University, Montreal, QC, H3G 1G1, Canada. marco.leyton@mcgill.ca.
12 Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, QC, H4B 1R6, Canada. marco.leyton@mcgill.ca.

Description:

Sex differences in [11C]ABP688 binding: a positron emission tomography study of mGlu5 receptors.

Eur J Nucl Med Mol Imaging. 2019 May;46(5):1179-1183

Authors: Smart K, Cox SML, Scala SG, Tippler M, Jaworska N, Boivin M, Séguin JR, Benkelfat C, Leyton M

Abstract

PURPOSE: The purpose of this study was to assess, in a large sample of healthy young adults, sex differences in the binding potential of [11C]ABP688, a positron emission tomography (PET) tracer selective for the metabotropic glutamate type 5 (mGlu5) receptor.

METHODS: High resolution [11C]ABP688 PET scans were acquired in 74 healthy volunteers (25 male, 49 female, mean age 20?±?3.0). Mean binding potential (BPND?=?fND * (Bavail / KD)) values were calculated in the prefrontal cortex, striatum, and limbic regions using the simplified reference tissue model with cerebellar grey matter as the reference region.

RESULTS: [11C]ABP688 BPND was significantly higher in men compared to women in the prefrontal cortex (p?<?0.01), striatum (p?<?0.001), and hippocampus (p?<?0.05). Whole-brain BPND was 17% higher in men. BPND was not related to menstrual phase in women.

CONCLUSIONS: Binding availability of mGlu5 receptors as measured by PET [11C]ABP688 is higher in healthy men than women. This likely represents a source of variability in [11C]ABP688 studies and could have relevance for sex differences in cognitive-behavioral functions and neuropsychiatric disorders.

PMID: 30627817 [PubMed - in process]




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