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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. Metabotropic glutamate type 5 receptor binding availability during dextroamphetamine sensitization in mice and humans. J Psychiatry Neurosci 2021; 46:E1-E13. [PMID: 32559027 PMCID: PMC7955855 DOI: 10.1503/jpn.190162] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND Glutamate transmission is implicated in drug-induced behavioural sensitization and the associated long-lasting increases in mesolimbic output. Metabotropic glutamate type 5 (mGlu5) receptors might be particularly important, but most details are poorly understood. METHODS We first assessed in mice (n = 51, all male) the effects of repeated dextroamphetamine administration (2.0 mg/kg, i.p.) on locomotor activity and binding of the mGlu5 ligand [3H]ABP688. In a parallel study, in 19 stimulant-drug-naïve healthy human volunteers (14 female) we administered 3 doses of dextroamphetamine (0.3 mg/kg, p.o.) or placebo, followed by a fourth dose 2 weeks later. We measured [11C]ABP688 binding using positron emission tomography before and after the induction phase. We assessed psychomotor and behavioural sensitization using speech rate, eye blink rate and self-report. We measured the localization of mGlu5 relative to synaptic markers in mouse striatum using immunofluorescence. RESULTS We observed amphetamine-induced psychomotor sensitization in mice and humans. We did not see group differences in mGlu5 availability following 3 pre-challenge amphetamine doses, but group differences did develop in mice administered 5 doses. In mice and humans, individual differences in mGlu5 binding after repeated amphetamine administration were negatively correlated with the extent of behavioural sensitization. In drug-naïve mice, mGlu5 was expressed at 67% of excitatory synapses on dendrites of striatal medium spiny neur. LIMITATIONS Correlational results should be interpreted as suggestive because of the limited sample size. We did not assess sex differences. CONCLUSION Together, these results suggest that changes in mGlu5 availability are not part of the earliest neural adaptations in stimulant-induced behavioural sensitization, but low mGlu5 binding might identify a higher propensity for sensitization.
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Affiliation(s)
- Kelly Smart
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Atsuko Nagano-Saito
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Michele S Milella
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Diana Yae Sakae
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Mathieu Favier
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Erika Vigneault
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Leanne Louie
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Alison Hamilton
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Stephen S G Ferguson
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Pedro Rosa-Neto
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Sridar Narayanan
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Salah El Mestikawy
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Marco Leyton
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
| | - Chawki Benkelfat
- From the Department of Psychiatry, McGill University, Montreal, Que. (Smart, Nagano-Saito, Milella, Sakae, Favier, Vigneault, Louie, Rosa-Neto, El Mestikawy, Leyton, Benkelfat); the Douglas Mental Health University Institute, McGill University, Montreal, Que. (Smart, Sakae, Favier, Vigneault, Rosa-Neto, El Mestikawy); the Department of Cellular and Molecular Medicine, University of Ottawa, Ont. (Hamilton, Ferguson); the McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); the Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Que. (Rosa-Neto, Narayanan, Leyton, Benkelfat); and the Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, Que. (Leyton)
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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. mGlu5 receptor availability in youth at risk for addictions: effects of vulnerability traits and cannabis use. Neuropsychopharmacology 2020; 45:1817-1825. [PMID: 32413893 PMCID: PMC7608187 DOI: 10.1038/s41386-020-0708-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 05/04/2020] [Accepted: 05/06/2020] [Indexed: 12/14/2022]
Abstract
The excitatory neurotransmitter glutamate has been implicated in experience-dependent neuroplasticity and drug-seeking behaviors. Type 5 metabotropic glutamate (mGlu5) receptors might be particularly important. They are critically involved in synaptic plasticity and their availability has been reported to be lower in people with alcohol, tobacco, and cocaine use disorders. Since these reductions could reflect effects of drug use or pre-existing traits, we used positron emission tomography to measure mGlu5 receptor availability in young adults at elevated risk for addictions. Fifty-nine participants (age 18.5 ± 0.6) were recruited from a longitudinal study that has followed them since birth. Based on externalizing traits that predict future substance use problems, half were at low risk, half were at high risk. Cannabis use histories varied markedly and participants were divided into three subgroups: zero, low, and high use. Compared to low risk volunteers, those at elevated risk had lower [11C]ABP688 binding potential (BPND) values in the striatum, amygdala, insula, and orbitofrontal cortex (OFC). Cannabis use by risk group interactions were observed in the striatum and OFC. In these regions, low [11C]ABP688 BPND values were only seen in the high risk group that used high quantities of cannabis. When these high risk, high cannabis use individuals were compared to all other participants, [11C]ABP688 BPND values were lower in the striatum, OFC, and insula. Together, these results provide evidence that mGlu5 receptor availability is low in youth at elevated risk for addictions, particularly those who frequently use cannabis.
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Affiliation(s)
- Sylvia M L Cox
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Maria Tippler
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
| | - Natalia Jaworska
- Department of Cellular and Molecular Medicine, University of Ottawa, Ottawa, ON, Canada
- Institute of Mental Health Research, Affiliated with the University of Ottawa, Ottawa, ON, Canada
| | - Kelly Smart
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Yale PET Center, Yale University, New Haven, CT, USA
| | - Natalie Castellanos-Ryan
- School of Psychoeducation, Université de Montréal, Montreal, QC, Canada
- CHU Ste-Justine Research Center, Montreal, QC, Canada
| | - France Durand
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Dominique Allard
- Department of Psychiatry, McGill University, Montreal, QC, Canada
| | - Chawki Benkelfat
- Department of Psychiatry, McGill University, Montreal, QC, Canada
- Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
| | - Sophie Parent
- School of Psychoeducation, Université de Montréal, Montreal, QC, Canada
| | - Alain Dagher
- Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada
| | - Frank Vitaro
- School of Psychoeducation, Université de Montréal, Montreal, QC, Canada
- CHU Ste-Justine Research Center, Montreal, QC, Canada
| | - Michel Boivin
- Department of Psychology, Université Laval, Quebec, QC, Canada
| | - Robert O Pihl
- Department of Psychology, McGill University, Montreal, QC, Canada
| | - Sylvana Côté
- CHU Ste-Justine Research Center, Montreal, QC, Canada
- Department of Social and Preventative Medicine, Université de Montréal, Montreal, QC, Canada
| | - Richard E Tremblay
- CHU Ste-Justine Research Center, Montreal, QC, Canada
- Department of Pediatrics and Psychology, Université de Montréal, Montreal, QC, Canada
- School of Public Health, University College Dublin, Belfield, Dublin, Ireland
| | - Jean R Séguin
- CHU Ste-Justine Research Center, Montreal, QC, Canada
- Department of Psychiatry and Addictology, Université de Montréal, Montreal, QC, Canada
| | - Marco Leyton
- Department of Psychiatry, McGill University, Montreal, QC, Canada.
- Department of Neurology & Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, QC, Canada.
- Department of Psychology, McGill University, Montreal, QC, Canada.
- Center for Studies in Behavioral Neurobiology, Concordia University, Montreal, QC, Canada.
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