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Deng W, Tuominen L, Sussman R, Leathem L, Vinke LN, Holt DJ. Changes in responses of the amygdala and hippocampus during fear conditioning are associated with persecutory beliefs. Sci Rep 2024; 14:8173. [PMID: 38589562 PMCID: PMC11001942 DOI: 10.1038/s41598-024-57746-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 03/21/2024] [Indexed: 04/10/2024] Open
Abstract
The persecutory delusion is the most common symptom of psychosis, yet its underlying neurobiological mechanisms are poorly understood. Prior studies have suggested that abnormalities in medial temporal lobe-dependent associative learning may contribute to this symptom. In the current study, this hypothesis was tested in a non-clinical sample of young adults without histories of psychiatric treatment (n = 64), who underwent classical Pavlovian fear conditioning while fMRI data were collected. During the fear conditioning procedure, participants viewed images of faces which were paired (the CS+) or not paired (the CS-) with an aversive stimulus (a mild electrical shock). Fear conditioning-related neural responses were measured in two medial temporal lobe regions, the amygdala and hippocampus, and in other closely connected brain regions of the salience and default networks. The participants without persecutory beliefs (n = 43) showed greater responses to the CS- compared to the CS+ in the right amygdala and hippocampus, while the participants with persecutory beliefs (n = 21) failed to exhibit this response. These between-group differences were not accounted for by symptoms of depression, anxiety or a psychosis risk syndrome. However, the severity of subclinical psychotic symptoms overall was correlated with the level of this aberrant response in the amygdala (p = .013) and hippocampus (p = .033). Thus, these findings provide evidence for a disruption of medial temporal lobe-dependent associative learning in young people with subclinical psychotic symptoms, specifically persecutory thinking.
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Affiliation(s)
- Wisteria Deng
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA
- Department of Psychology, Yale University, New Haven, CT, USA
| | - Lauri Tuominen
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA
- Department of Psychiatry, University of Ottawa, Ottawa, ON, Canada
| | - Rachel Sussman
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA
| | - Logan Leathem
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA
| | - Louis N Vinke
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA
| | - Daphne J Holt
- Department of Psychiatry, Massachusetts General Hospital, 149 13th, St. Charlestown, Boston, MA, 02129, USA.
- Department of Psychiatry, Harvard Medical School, Boston, MA, USA.
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, USA.
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Liu J, Lustberg DJ, Galvez A, Liles LC, McCann KE, Weinshenker D. Genetic disruption of dopamine β-hydroxylase dysregulates innate responses to predator odor in mice. Neurobiol Stress 2024; 29:100612. [PMID: 38371489 PMCID: PMC10873756 DOI: 10.1016/j.ynstr.2024.100612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 01/22/2024] [Accepted: 01/25/2024] [Indexed: 02/20/2024] Open
Abstract
In rodents, exposure to predator odors such as cat urine acts as a severe stressor that engages innate defensive behaviors critical for survival in the wild. The neurotransmitters norepinephrine (NE) and dopamine (DA) modulate anxiety and predator odor responses, and we have shown previously that dopamine β-hydroxylase knockout (Dbh -/-), which reduces NE and increases DA in mouse noradrenergic neurons, disrupts innate behaviors in response to mild stressors such as novelty. We examined the consequences of Dbh knockout on responses to predator odor (bobcat urine) and compared them to Dbh-competent littermate controls. Over the first 10 min of predator odor exposure, controls exhibited robust defensive burying behavior, whereas Dbh -/- mice showed high levels of grooming. Defensive burying was potently suppressed in controls by drugs that reduce NE transmission, while excessive grooming in Dbh -/- mice was blocked by DA receptor antagonism. In response to a cotton square scented with a novel "neutral" odor (lavender), most control mice shredded the material, built a nest, and fell asleep within 90 min. Dbh -/- mice failed to shred the lavender-scented nestlet, but still fell asleep. In contrast, controls sustained high levels of arousal throughout the predator odor test and did not build nests, while Dbh -/- mice were asleep by the 90-min time point, often in shredded bobcat urine-soaked nesting material. Compared with controls exposed to predator odor, Dbh -/- mice demonstrated decreased c-fos induction in the anterior cingulate cortex, lateral septum, periaqueductal gray, and bed nucleus of the stria terminalis, but increased c-fos in the locus coeruleus and medial amygdala. These data indicate that relative ratios of central NE and DA signaling coordinate the type and valence of responses to predator odor.
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Affiliation(s)
| | | | - Abigail Galvez
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - L. Cameron Liles
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - Katharine E. McCann
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
| | - David Weinshenker
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA, USA
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3
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Palombo P, Maeda R, Riberti Zaniboni C, Antonagi Engi S, Yokoyama T, Bonetti Bertagna N, Anesio A, Cristina Bianchi P, Righi T, Emily Boaventura Tavares G, Souccar C, da Silva FBR, Cardoso Cruz F. Unlocking the role of dorsal hippocampal α4β2 nicotinic acetylcholine receptors in Ethanol-Induced conditioned place preference in mice. Neurosci Lett 2024; 824:137666. [PMID: 38331019 DOI: 10.1016/j.neulet.2024.137666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/10/2024]
Abstract
Alcohol Use Disorder (AUD) presents a significant and challenging public health concern, marked by a dearth of effective pharmacological treatments. Understanding the neurobiological underpinnings of AUD is of paramount importance for the development of efficacious interventions. The process of addiction entails the acquisition of associative behaviors, prominently engaging the dorsal region of the hippocampus for encoding these associative memories. Nicotinic receptor systems have been implicated in mediating the rewarding effects of ethanol, as well as memory and learning processes. In our current investigation, we delved into the role of α4β2 nicotinic acetylcholine receptors (nAChRs) within the dorsal hippocampus in the context of ethanol-induced conditioned place preference (CPP), a robust model for scrutinizing the rewarding properties and drug-associated behaviors. To establish CPP, ethanol (2 g/kg) was administered intraperitoneally during a 8-day conditioning phase. Fos immunohistochemistry was employed to assess the involvement of discrete subregions within the dorsal hippocampus in ethanol-induced CPP. Additionally, we probed the influence of α4β2 nAChRs on CPP via microinjections of a selective nAChR antagonist, dihydro-β-erythroidine (DHBE, at dosages of 6, 12, and 18 µg/0.5 µL per hemisphere) within the hippocampus. Our results unveiled that ethanol-induced CPP was associated with an increase Fos -positive cells in various subregions of the dorsal hippocampus, including CA1, CA2, CA3, and the dentate gyrus. Intrahippocampal administration of DHBE (at doses of 6 and 18 µg/0.50 µL per hemisphere) effectively blocked ethanol-induced CPP, while leaving locomotor activity unaffected. These findings underscore the critical involvement of the dorsal hippocampus and α4β2 nAChRs in the acquisition of ethanol-associated learning and reward.
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Affiliation(s)
- Paola Palombo
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil.
| | - Roberta Maeda
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Caroline Riberti Zaniboni
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sheila Antonagi Engi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Thais Yokoyama
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Natalia Bonetti Bertagna
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Augusto Anesio
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paula Cristina Bianchi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Thamires Righi
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Caden Souccar
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | | | - Fabio Cardoso Cruz
- Department of Pharmacology, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
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4
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Liu J, Lustberg DJ, Galvez A, Liles LC, McCann KE, Weinshenker D. Genetic disruption of dopamine β-hydroxylase dysregulates innate responses to predator odor in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.06.21.545975. [PMID: 38234825 PMCID: PMC10793432 DOI: 10.1101/2023.06.21.545975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
In rodents, exposure to predator odors such as cat urine acts as a severe stressor that engages innate defensive behaviors critical for survival in the wild. The neurotransmitters norepinephrine (NE) and dopamine (DA) modulate anxiety and predator odor responses, and we have shown previously that dopamine β-hydroxylase knockout (Dbh -/-), which reduces NE and increases DA in mouse noradrenergic neurons, disrupts innate behaviors in response to mild stressors such as novelty. We examined the consequences of Dbh knockout (Dbh -/-) on responses to predator odor (bobcat urine) and compared them to Dbh-competent littermate controls. Over the first 10 min of predator odor exposure, controls exhibited robust defensive burying behavior, whereas Dbh -/- mice showed high levels of grooming. Defensive burying was potently suppressed in controls by drugs that reduce NE transmission, while excessive grooming in Dbh -/- mice was blocked by DA receptor antagonism. In response to a cotton square scented with a novel "neutral" odor (lavender), most control mice shredded the material, built a nest, and fell asleep within 90 min. Dbh -/- mice failed to shred the lavender-scented nestlet, but still fell asleep. In contrast, controls sustained high levels of arousal throughout the predator odor test and did not build nests, while Dbh -/- mice were asleep by the 90-min time point, often in shredded bobcat urine-soaked nesting material. Compared with controls exposed to predator odor, Dbh -/- mice demonstrated decreased c-fos induction in the anterior cingulate cortex, lateral septum, periaqueductal gray, and bed nucleus of the stria terminalis, but increased c-fos in the locus coeruleus and medial amygdala. These data indicate that relative ratios of central NE and DA signaling coordinate the type and valence of responses to predator odor.
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Affiliation(s)
- Joyce Liu
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
| | - Daniel J. Lustberg
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
| | - Abigail Galvez
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
| | - L. Cameron Liles
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
| | - Katharine E. McCann
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
| | - David Weinshenker
- Department of Human Genetics, Emory University School of Medicine, Atlanta, GA USA
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5
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Japarin RA, Harun N, Hassan Z, Müller CP. The dopamine D1 receptor antagonist SCH-23390 blocks the acquisition, but not expression of mitragynine-induced conditioned place preference in rats. Behav Brain Res 2023; 453:114638. [PMID: 37619769 DOI: 10.1016/j.bbr.2023.114638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 08/21/2023] [Accepted: 08/21/2023] [Indexed: 08/26/2023]
Abstract
Mitragynine (MG) is the primary active constituent of Mitragyna speciosa Korth (kratom), a psychoactive Southeast Asian plant with potential therapeutic use. Numerous studies support roles of dopaminergic system in drug reward. However, the involvement of the dopaminergic system in mediating MG reward and drug-seeking is poorly understood. Using conditioned place preference (CPP) paradigm, the present study aims to evaluate the roles of the dopamine (DA) D1 receptor in the acquisition and expression of MG-induced CPP in rats. The effects of SCH-23390, a selective DA D1 receptor antagonist, on the acquisition of MG-induced CPP were first investigated. Rats were pre-treated systemically with SCH-23390 (0, 0.1 and 0.3 mg/kg, i.p.) prior to MG (10 mg/kg) conditioning sessions. Next, we tested the effects of the DA D1 receptor antagonist on the expression of MG-induced CPP. Furthermore, the effects of a MG-priming dose (5 mg/kg) on the reinstatement of extinguished CPP were tested. The results showed that SCH-23390 dose-dependently suppressed the acquisition of a MG-induced CPP. In contrast, SCH-23390 had no effect on the expression of a MG-induced CPP. The findings of this study suggested a crucial role of the DA D1 receptor in the acquisition, but not the expression of the rewarding effects of MG in a CPP test. Furthermore, blockade of the D1-like receptor during conditioning did not prevent MG priming effects on CPP reinstatement test, suggesting no role for the DA D1 receptor in reinstatement sensitivity.
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Affiliation(s)
- Rima Atria Japarin
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia
| | - Norsyifa Harun
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia.
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia
| | - Christian P Müller
- Centre for Drug Research, Universiti Sains Malaysia, 11800 Gelugor, Penang, Malaysia; Department of Psychiatry and Psychotherapy, University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg, Schwabachanlage 6, 91054 Erlangen, Germany
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6
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Liu M, Mu S, Han W, Tan X, Liu E, Hang Z, Zhu S, Yue Q, Sun J. Dopamine D1 receptor in orbitofrontal cortex to dorsal striatum pathway modulates methamphetamine addiction. Biochem Biophys Res Commun 2023; 671:96-104. [PMID: 37300946 DOI: 10.1016/j.bbrc.2023.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023]
Abstract
The orbitofrontal cortex (OFC)-dorsal striatum (DS) is an important neural circuit that contributes to addictive behavior, including compulsive reinforcement, yet the specific types of neurons that play a major role still need to be further elucidated. Here, we used a place conditioning paradigm to measure the conditioned responses to methamphetamine (MA). The results demonstrated that MA increases the expression of c-Fos, synaptic plasticity in OFC and DS. Patch-clamp recording showed that MA activated projection neurons from the OFC to the DS, and chemogenetic manipulation of neuronal activity in OFC-DS projection neurons affects conditioned place preference (CPP) scores. And the combined patch-electrochemical technique was used to detect the DA release in OFC, the data indicated that the DA release was increased in MA group. Additionally, SCH23390, a D1R antagonist, was used to verify the function of D1R projection neurons, showing that SCH23390 reversed MA addiction-like behavior. Collectively, these findings provide evidence for the D1R neuron is sufficient to regulate MA addiction in the OFC-DS pathway, and the study provides new insight into the underlying mechanism of pathological changes in MA addiction.
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Affiliation(s)
- Min Liu
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Shouhong Mu
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Weikai Han
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Xu Tan
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - E Liu
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Zhaofang Hang
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Shaowei Zhu
- Department of Neurology, Qilu Hospital, Shandong University, Jinan, China
| | - Qingwei Yue
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Jinhao Sun
- Department of Anatomy, School of Basic Medical Sciences, Shandong University, Jinan, China.
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7
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Guo N, Zhang L, Fan W, Bai L, Zhang X, Shi Z, Bai J. Inhibition of Geranylgeranylacetone on cholecystokinin-B receptor, BDNF and dopamine D1 receptor induced by morphine. Biochem Biophys Res Commun 2022; 588:23-28. [PMID: 34942530 DOI: 10.1016/j.bbrc.2021.12.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/13/2021] [Accepted: 12/13/2021] [Indexed: 11/21/2022]
Abstract
Morphine is the pain releasing and abusing drug. Morphine leads to addiction by activating dopaminergic rewarding system consisted of the ventral tegmental area (VTA) and nucleus accumbens (NAc). Cholecystokinin (CCK) is a gut-brain neuropeptide and involved in morphine dependence. Brain-derived neurotrophic factor (BDNF) is a neurotrophin and plays roles in regulating addiction. Geranylgeranylacetone (GGA) is a medicine of protecting gastric mucosal injury and protecting neurons. Our previous study showed that GGA blocked morphine-induced withdrawal and relapse through inducing thioredoxin 1(Trx1). In this study, we investigated that whether cholecystokinin-B receptor (CCKB receptor) and BDNF were related to GGA inhibition on morphine addiction. At first, we made conditioned place preference (CPP) model and confirmed again that GGA blocked the expression of morphine-CPP in present study. Then, our results showed that morphine increased the expressions of dopamine D1 receptor, tyrosine hydroxylase (TH), CCKB receptor and BDNF in the VTA and NAc in mice, which was inhibited by GGA. These results suggest that CCK and BDNF in dopaminergic systems are associated with the role of GGA blocking morphine-CPP.
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Affiliation(s)
- Ningning Guo
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China; Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Le Zhang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wei Fan
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Liping Bai
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China; Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xianwen Zhang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Zhizhou Shi
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Jie Bai
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China.
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Midroit M, Chalençon L, Renier N, Milton A, Thevenet M, Sacquet J, Breton M, Forest J, Noury N, Richard M, Raineteau O, Ferdenzi C, Fournel A, Wesson DW, Bensafi M, Didier A, Mandairon N. Neural processing of the reward value of pleasant odorants. Curr Biol 2021; 31:1592-1605.e9. [PMID: 33607032 DOI: 10.1016/j.cub.2021.01.066] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 01/07/2021] [Accepted: 01/19/2021] [Indexed: 02/07/2023]
Abstract
Pleasant odorants are represented in the posterior olfactory bulb (pOB) in mice. How does this hedonic information generate odor-motivated behaviors? Using optogenetics, we report here that stimulating the representation of pleasant odorants in a sensory structure, the pOB, can be rewarding, self-motivating, and is accompanied by ventral tegmental area activation. To explore the underlying neural circuitry downstream of the olfactory bulb (OB), we use 3D high-resolution imaging and optogenetics and determine that the pOB preferentially projects to the olfactory tubercle, whose increased activity is related to odorant attraction. We further show that attractive odorants act as reinforcers in dopamine-dependent place preference learning. Finally, we extend those findings to humans, who exhibit place preference learning and an increase BOLD signal in the olfactory tubercle in response to attractive odorants. Thus, strong and persistent attraction induced by some odorants is due to a direct gateway from the pOB to the reward system.
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Affiliation(s)
- Maëllie Midroit
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Laura Chalençon
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Nicolas Renier
- Sorbonne Universités, Paris Brain Institute, ICM, Inserm, CNRS, Paris, France
| | - Adrianna Milton
- Department of Neurosciences, Case Western Reserve University, 2109 Adelbert Road, Cleveland, OH 44106, USA
| | - Marc Thevenet
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Joëlle Sacquet
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Marine Breton
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Jérémy Forest
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Norbert Noury
- CNRS, UMR5270, Institute Nanotechnology Lyon, Biomedical Sensors Group, University of Lyon 1, Villeurbanne 69621, France
| | - Marion Richard
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Olivier Raineteau
- University Lyon, Université Claude Bernard Lyon 1, Inserm, Stem Cell and Brain Research Institute U1208, 69500 Bron, France
| | - Camille Ferdenzi
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Arnaud Fournel
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Daniel W Wesson
- Department of Pharmacology & Therapeutics, University of Florida, 1200 Newell Drive, Gainesville, FL 32610, USA
| | - Moustafa Bensafi
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Anne Didier
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France
| | - Nathalie Mandairon
- CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Neuroplasticity and Neuropathology of Olfactory Perception Team, Lyon 69000, France; University Lyon, Lyon, 69000, France; University Lyon 1, Villeurbanne 69000, France.
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9
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Abiero A, Botanas CJ, Custodio RJ, Sayson LV, Kim M, Lee HJ, Kim HJ, Lee KW, Jeong Y, Seo JW, Ryu IS, Lee YS, Cheong JH. 4-MeO-PCP and 3-MeO-PCMo, new dissociative drugs, produce rewarding and reinforcing effects through activation of mesolimbic dopamine pathway and alteration of accumbal CREB, deltaFosB, and BDNF levels. Psychopharmacology (Berl) 2020; 237:757-772. [PMID: 31828394 DOI: 10.1007/s00213-019-05412-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 11/21/2019] [Indexed: 12/27/2022]
Abstract
RATIONALE A high number of synthetic dissociative drugs continue to be available through online stores, leading to their misuse. Recent inclusions in this category are 4-MeO-PCP and 3-MeO-PCMo, analogs of phencyclidine. Although the dissociative effects of these drugs and their recreational use have been reported, no studies have investigated their abuse potential. OBJECTIVES To examine their rewarding and reinforcing effects and explore the mechanistic correlations. METHODS We used conditioned place preference (CPP), self-administration, and locomotor sensitization tests to assess the rewarding and reinforcing effects of the drugs. We explored their mechanism of action by pretreating dopamine receptor (DR) D1 antagonist SCH23390 and DRD2 antagonist haloperidol during CPP test and investigated the effects of 4-MeO-PCP and 3-MeO-PCMo on dopamine-related proteins in the ventral tegmental area and nucleus accumbens. We also measured the levels of dopamine, phosphorylated cyclic-AMP response element-binding (p-CREB) protein, deltaFosB, and brain-derived neurotrophic factor (BDNF) in the nucleus accumbens. Additionally, we examined the effects of both drugs on brain wave activity using electroencephalography. RESULTS While both 4-MeO-PCP and 3-MeO-PCMo induced CPP and self-administration, only 4-MeO-PCP elicited locomotor sensitization. SCH23390 and haloperidol inhibited the acquisition of drug CPP. 4-MeO-PCP and 3-MeO-PCMo altered the levels of tyrosine hydroxylase, DRD1, DRD2, and dopamine, as well as that of p-CREB, deltaFosB, and BDNF. All drugs increased the delta and gamma wave activity, whereas pretreatment with SCH23390 and haloperidol inhibited it. CONCLUSION Our results indicate that 4-MeO-PCP and 3-MeO-PCMo induce rewarding and reinforcing effects that are probably mediated by the mesolimbic dopamine system, suggesting an abuse liability in humans.
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Affiliation(s)
- Arvie Abiero
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Chrislean Jun Botanas
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Raly James Custodio
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Leandro Val Sayson
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Mikyung Kim
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Hyun Jun Lee
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Kun Won Lee
- Medicinal Chemistry Laboratory, Department of Pharmacy & Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul, 02447, Republic of Korea
| | - Youngdo Jeong
- Medicinal Chemistry Laboratory, Department of Pharmacy & Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul, 02447, Republic of Korea
| | - Joung-Wook Seo
- Center for Safety Pharmacology, Korea Institute of Toxicology, Daejeon, 305-343, Republic of Korea
| | - In Soo Ryu
- Center for Safety Pharmacology, Korea Institute of Toxicology, Daejeon, 305-343, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Pharmacy & Department of Life and Nanopharmaceutical Sciences, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Seoul, 02447, Republic of Korea.
| | - Jae Hoon Cheong
- Uimyung Research Institute for Neuroscience, College of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea. .,School of Pharmacy, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea.
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Dopamine D 1 and D 2 Receptors Differentially Regulate Rac1 and Cdc42 Signaling in the Nucleus Accumbens to Modulate Behavioral and Structural Plasticity After Repeated Methamphetamine Treatment. Biol Psychiatry 2019; 86:820-835. [PMID: 31060803 DOI: 10.1016/j.biopsych.2019.03.966] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 02/21/2019] [Accepted: 03/03/2019] [Indexed: 11/21/2022]
Abstract
BACKGROUND Methamphetamine (METH) is a highly addictive psychostimulant that strongly activates dopamine receptor signaling in the nucleus accumbens (NAc). However, how dopamine D1 and D2 receptors (D1Rs and D2Rs, respectively) as well as downstream signaling pathways, such as those involving Rac1 and Cdc42, modulate METH-induced behavioral and structural plasticity is largely unknown. METHODS Using NAc conditional D1R and D2R deletion mice, Rac1 and Cdc42 mutant viruses, and a series of behavioral and morphological methods, we assessed the effects of D1Rs and D2Rs on Rac1 and Cdc42 in modulating METH-induced behavioral and structural plasticity in the NAc. RESULTS D1Rs and D2Rs in the NAc consistently regulated METH-induced conditioned place preference, locomotor activation, and dendritic and spine remodeling of medium spiny neurons but differentially regulated METH withdrawal-induced spatial learning and memory impairment and anxiety. Interestingly, Rac1 and Cdc42 signaling were oppositely modulated by METH, and suppression of Rac1 signaling and activation of Cdc42 signaling were crucial to METH-induced conditioned place preference and structural plasticity but not to locomotor activation. D1Rs activated Rac1 and Cdc42 signaling, while D2Rs inhibited Rac1 signaling but activated Cdc42 signaling to mediate METH-induced conditioned place preference and structural plasticity but not locomotor activation. In addition, NAc D1R deletion aggravated METH withdrawal-induced spatial learning and memory impairment by suppressing Rac1 signaling but not Cdc42 signaling, while NAc D2R deletion aggravated METH withdrawal-induced anxiety without affecting Rac1 or Cdc42 signaling. CONCLUSIONS D1Rs and D2Rs differentially regulate Rac1 and Cdc42 signaling to modulate METH-induced behavioral plasticity and the structural remodeling of medium spiny neurons in the NAc.
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Lei K, Kwok C, Darevsky D, Wegner SA, Yu J, Nakayama L, Pedrozo V, Anderson L, Ghotra S, Fouad M, Hopf FW. Nucleus Accumbens Shell Orexin-1 Receptors Are Critical Mediators of Binge Intake in Excessive-Drinking Individuals. Front Neurosci 2019; 13:88. [PMID: 30814925 PMCID: PMC6381036 DOI: 10.3389/fnins.2019.00088] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 01/25/2019] [Indexed: 12/29/2022] Open
Abstract
Excessive, binge alcohol drinking is a potent and pernicious obstacle to treating alcohol use disorder (AUD), and heavy-drinking humans are responsible for much of the substantial costs and harms of AUD. Thus, identifying key mechanisms that drive intake in higher-drinking individuals may provide important, translationally useful therapeutic interventions. Orexin-1-receptors (Ox1Rs) promote states of high motivation, and studies with systemic Ox1R inhibition suggest a particular role in individuals with higher intake levels. However, little has been known about circuits where Ox1Rs promote pathological intake, especially excessive alcohol consumption. We previously discovered that binge alcohol drinking requires Ox1Rs in medial nucleus accumbens shell (Shell), using two-bottle-choice Drinking-in-the-Dark (2bc-DID) in adult, male C57BL/6 mice. Here, we show that Shell Ox1Rs promoted intake during intermittent-access alcohol drinking as well as 2bc-DID, and that Shell inhibition with muscimol/baclofen also suppressed 2bc-DID intake. Importantly, with this large data set, we were able to demonstrate that Shell Ox1Rs and overall activity were particularly important for driving alcohol consumption in higher-drinking individuals, with little overall impact in moderate drinkers. Shell inhibition results were compared with control data combined from drug treatments that did not reduce intake, including NMDAR or PKC inhibition in Shell, Ox1R inhibition in accumbens core, and systemic inhibition of dopamine-1 receptors; these were used to understand whether more specific Shell Ox1R contributions in higher drinkers might simply result from intrinsic variability in mouse drinking. Ineffectiveness of Shell inhibition in moderate-drinkers was not due to a floor effect, since systemic baclofen reduced alcohol drinking regardless of basal intake levels, without altering concurrent water intake or saccharin consumption. Finally, alcohol intake in the first exposure predicted consumption levels weeks later, suggesting that intake level may be a stable trait in each individual. Together, our studies indicate that Shell Ox1Rs are critical mediators of binge alcohol intake in higher-drinking individuals, with little net contribution to alcohol drinking in more moderate bingers, and that targeting Ox1Rs may substantially reduce AUD-related harms.
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Affiliation(s)
- Kelly Lei
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Claudina Kwok
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - David Darevsky
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Scott A Wegner
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - JiHwan Yu
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Lisa Nakayama
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Vincent Pedrozo
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Lexy Anderson
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Shahbaj Ghotra
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Mary Fouad
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
| | - Frederic W Hopf
- Alcohol and Addiction Research Group, Department of Neurology, University of California, San Francisco, San Francisco, CA, United States
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Dissociable roles of the nucleus accumbens D1 and D2 receptors in regulating cue-elicited approach-avoidance conflict decision-making. Psychopharmacology (Berl) 2018; 235:2233-2244. [PMID: 29737363 DOI: 10.1007/s00213-018-4919-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 04/24/2018] [Indexed: 01/20/2023]
Abstract
RATIONALE Approach and avoidance decisions are made when an animal experiences a state of motivational conflict inflicted by stimuli imbued with both positive and negative valences. The nucleus accumbens (NAc), a site where valenced information and action selection converge, has recently been found to be critically involved in the resolution of approach-avoidance conflict. However, the individual roles of the region's dopamine receptor D1 (D1R)- and D2 (D2R)-expressing medium spiny neurons (MSNs) in regulating conflict resolution have not been well established. OBJECTIVES Here, we examined the roles of NAc D1R and D2R in cue-elicited approach-avoidance decision-making. METHODS Using a conditioned mixed-valence conflict paradigm, rats were initially trained in a radial maze to associate separate visuotactile cues with sucrose reward, foot shock punishment, and no outcome. Following acquisition of the cue-outcome associations, rats were subjected to a conditioned approach-avoidance conflict scenario, in which they were presented with a maze arm containing a superimposition of the reward and punishment cues, and another arm containing neutral cues. RESULTS Post-training intra-NAc D1R antagonism (SCH23390) led to an avoidance of the arm containing the mixed-valence cue over the neutral arm, whereas intra-NAc D2R antagonism (sulpiride) resulted in rats exhibiting a preference for the mixed-valence arm. CONCLUSION Our results suggest that NAc D1R and D2R exert differential control over decision-making involving cue-elicited approach-avoidance conflict resolution.
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Beny-Shefer Y, Zilkha N, Lavi-Avnon Y, Bezalel N, Rogachev I, Brandis A, Dayan M, Kimchi T. Nucleus Accumbens Dopamine Signaling Regulates Sexual Preference for Females in Male Mice. Cell Rep 2018; 21:3079-3088. [PMID: 29241537 DOI: 10.1016/j.celrep.2017.11.062] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2017] [Revised: 10/02/2017] [Accepted: 11/17/2017] [Indexed: 12/31/2022] Open
Abstract
Sexual preference for the opposite sex is a fundamental behavior underlying reproductive success, but the neural mechanisms remain unclear. Here, we examined the role of dopamine signaling in the nucleus accumbens core (NAcc) in governing chemosensory-mediated preference for females in TrpC2-/- and wild-type male mice. TrpC2-/- males, deficient in VNO-mediated signaling, do not display mating or olfactory preference toward females. We found that, during social interaction with females, TrpC2-/- males do not show increased NAcc dopamine levels, observed in wild-type males. Optogenetic stimulation of VTA-NAcc dopaminergic neurons in TrpC2-/- males during exposure to a female promoted preference response to female pheromones and elevated copulatory behavior toward females. Additionally, we found that signaling through the D1 receptor in the NAcc is necessary for the olfactory preference for female-soiled bedding. Our study establishes a critical role for the mesolimbic dopaminergic system in governing pheromone-mediated responses and mate choice in male mice.
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Affiliation(s)
- Yamit Beny-Shefer
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Noga Zilkha
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Yael Lavi-Avnon
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Nadav Bezalel
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Ilana Rogachev
- Biological Services Unit, Weizmann Institute of Science, Rehovot, Israel
| | - Alexander Brandis
- Biological Services Unit, Weizmann Institute of Science, Rehovot, Israel
| | - Molly Dayan
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel
| | - Tali Kimchi
- Department of Neurobiology, Weizmann Institute of Science, Rehovot, Israel.
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Cata-Preta EG, Serra YA, Moreira-Junior EDC, Reis HS, Kisaki ND, Libarino-Santos M, Silva RRR, Barros-Santos T, Santos LC, Barbosa PCR, Costa JL, Oliveira-Lima AJ, Berro LF, Marinho EAV. Ayahuasca and Its DMT- and β-carbolines - Containing Ingredients Block the Expression of Ethanol-Induced Conditioned Place Preference in Mice: Role of the Treatment Environment. Front Pharmacol 2018; 9:561. [PMID: 29896106 PMCID: PMC5986901 DOI: 10.3389/fphar.2018.00561] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 05/10/2018] [Indexed: 12/27/2022] Open
Abstract
Ayahuasca is a hallucinogenic beverage produced from the decoction of Banisteriopsis caapi (Bc) and Psychotria viridis (Pv), β-carboline- and N,N-dimethyltryptamine(DMT)-containing plants, respectively. Accumulating evidence suggests that ayahuasca may have therapeutic effects on ethanol abuse. It is not known, however, whether its effects are dependent on the presence of DMT or if non-DMT-containing components would have therapeutic effects. The aim of the present study was to investigate the rewarding properties of ayahuasca (30, 100, and 300 mg/kg, orally), Bc (132, 440, and 1320 mg/kg, orally) and Pv (3.75, 12.5 and 37.5 mg/kg, i.p.) extracts and their effects on ethanol (1.8 g/kg, i.p.) reward using the conditioned place preference (CPP) paradigm in male mice. Animals were conditioned with ayahuasca, Bc or Pv extracts during 8 sessions. An intermediate, but not a high, dose of ayahuasca induced CPP in mice. Bc and Pv did not induce CPP. Subsequently, the effects of those extracts were tested on the development of ethanol-induced CPP. Ayahuasca, Bc or Pv were administered before ethanol injections during conditioning sessions. While Bc and Pv exerted no effects on ethanol-induced CPP, pretreatment with ayahuasca blocked the development of CPP to ethanol. Finally, the effects of a post-ethanol-conditioning treatment with ayahuasca, Bc or Pv on the expression of ethanol-induced CPP were tested. Animals were conditioned with ethanol, and subsequently treated with either ayahuasca, Bc or Pv in the CPP environment previously associated with saline or ethanol for 6 days. Animals were then reexposed to ethanol and ethanol-induced CPP was quantified on the following day. Treatment with all compounds in the ethanol-paired environment blocked the expression of ethanol-induced CPP. Administration of an intermediate, but not a high, dose of ayahuasca and Bc, as well as Pv administration, in the saline-paired compartment blocked the expression of ethanol-induced CPP. The present study sheds light into the components underlying the therapeutic effects of ayahuasca on ethanol abuse, indicating that ayahuasca and its plant components can decrease ethanol reward at doses that do not exert abuse liability. Importantly, the treatment environment seems to influence the therapeutic effects of ayahuasca and Bc, providing important insights into clinical practice.
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Affiliation(s)
| | - Yasmim A. Serra
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - Henrique S. Reis
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Natali D. Kisaki
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - Raiany R. R. Silva
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Thaísa Barros-Santos
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Lucas C. Santos
- Department of Health Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - Paulo C. R. Barbosa
- Department of Philosophy and Human Sciences, Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | - José L. Costa
- Faculty of Pharmaceutical Sciences, University of Campinas, Campinas, Brazil
| | | | - Lais F. Berro
- Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, United States
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Dopamine D1 and D3 receptor polypharmacology as a potential treatment approach for substance use disorder. Neurosci Biobehav Rev 2018; 89:13-28. [PMID: 29577963 DOI: 10.1016/j.neubiorev.2018.03.020] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2017] [Revised: 03/19/2018] [Accepted: 03/19/2018] [Indexed: 12/29/2022]
Abstract
In the search for efficacious pharmacotherapies to treat cocaine addiction much attention has been given to agents targeting dopamine D1 or D3 receptors because of the involvement of these receptors in drug-related behaviors. D1-like and D3 receptor partial agonists and antagonists have been shown to reduce drug reward, reinstatement of drug seeking and conditioned place preference in rodents and non-human primates. However, translation of these encouraging results to clinical settings has been limited due to a number of factors including toxicity, poor pharmacokinetic properties and extrapyramidal and sedative side effects. This review highlights the role of D1 and D3 receptors in drug reward and seeking, the discovery of D1-D3 heteromers and their potential as targets in the treatment of addiction.
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Chen C, Nong Z, Liang X, Meng M, Xuan F, Xie Q, He J, Huang R. Effect of Yulangsan Polysaccharide on the Reinstatement of Morphine-Induced Conditioned Place Preference in Sprague-Dawley Rats. Neurochem Res 2018; 43:918-929. [PMID: 29455417 DOI: 10.1007/s11064-018-2497-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/04/2018] [Accepted: 02/07/2018] [Indexed: 02/07/2023]
Abstract
We previously reported that Yulangsan polysaccharide (YLSP), which was isolated from the root of Millettia pulchra Kurz, attenuates withdrawal symptoms of morphine dependence by regulating the nitric oxide pathway and modulating monoaminergic neurotransmitters. In this study, we investigated the effects and mechanism of YLSP on the reinstatement of morphine-induced conditioned place preference (CPP) in rats. A CPP procedure was employed to assess the behavior of rats, and indicators of serum and four brain regions (nucleus accumbens, ventral tegmental area, hippocampus and prefrontal cortex) were determined to explore its underlying mechanism. YLSP inhibited priming morphine-induced reinstatement of CPP in a dose-dependent manner. YLSP markedly reduced nitric oxide and nitric oxide synthase levels in the brain. Moreover, YLSP significantly decreased the dopamine and norepinephrine levels in the serum and brain. Furthermore, YLSP significantly decreased cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP) concentrations, inhibited the expression of dopamine D1 receptors and cAMP response element binding protein mRNA, and improved the expression of dopamine D2 receptor mRNA in the four brain regions. Our findings indicated that YLSP could inhibit the reinstatement of morphine-induced CPP possibly by modulating the NO-cGMP and D1R-cAMP signaling pathways.
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Affiliation(s)
- Chunxia Chen
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China.,Department of Hyperbaric Oxygen, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, 530021, Guangxi, People's Republic of China
| | - Zhihuan Nong
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Xingmei Liang
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Mingyu Meng
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Feifei Xuan
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Qiuqiao Xie
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Junhui He
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China
| | - Renbin Huang
- Department of Pharmacology, Guangxi Medical University, 22 Shuangyong Road, Nanning, 530021, People's Republic of China.
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Naloxone effects on extinction of ethanol- and cocaine-induced conditioned place preference in mice. Psychopharmacology (Berl) 2017; 234:2747-2759. [PMID: 28653079 PMCID: PMC5709191 DOI: 10.1007/s00213-017-4672-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Accepted: 06/06/2017] [Indexed: 01/07/2023]
Abstract
RATIONALE Previous studies found that naloxone (NLX) facilitated choice extinction of ethanol conditioned place preference (CPP) using long (60 min) test sessions, but there is little information on the variables determining this effect. OBJECTIVES These studies examined repeated exposure to NLX during extinction of ethanol- or cocaine-induced CPP using both short and long tests. METHODS DBA/2J mice were injected with NLX (0 or 10 mg/kg) before three 10- or 60-min choice extinction tests (experiment 1). All mice received a final 60-min test without NLX. Post-test NLX was given in experiment 2. Experiment 3 tested whether NLX would affect a forced extinction procedure. Experiment 4 tested its effect on extinction of cocaine-induced CPP. RESULTS Pre-test (but not post-test) injections of NLX-facilitated choice extinction of ethanol CPP at both test durations. Pre-test NLX also facilitated forced extinction. However, pre-test NLX had no effect on choice extinction of cocaine CPP. CONCLUSIONS Extinction test duration is not critical for engaging the opioid system during ethanol CPP extinction (experiment 1). Moreover, NLX's effect does not depend on CPP expression during extinction, just exposure to previously conditioned cues (experiment 3). The null effect of post-test NLX eliminates a memory consolidation interpretation (experiment 2) and the failure to alter cocaine CPP extinction argues against alteration of general learning or memory processes (experiment 4). Overall, these data suggest that the endogenous opioid system mediates a conditioned motivational effect that normally maintains alcohol-induced seeking behavior, which may underlie the efficacy of opiate antagonists in the treatment of alcoholism.
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18
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Reappraising striatal D1- and D2-neurons in reward and aversion. Neurosci Biobehav Rev 2016; 68:370-386. [PMID: 27235078 DOI: 10.1016/j.neubiorev.2016.05.021] [Citation(s) in RCA: 112] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Revised: 05/16/2016] [Accepted: 05/22/2016] [Indexed: 12/31/2022]
Abstract
The striatum has been involved in complex behaviors such as motor control, learning, decision-making, reward and aversion. The striatum is mainly composed of medium spiny neurons (MSNs), typically divided into those expressing dopamine receptor D1, forming the so-called direct pathway, and those expressing D2 receptor (indirect pathway). For decades it has been proposed that these two populations exhibit opposing control over motor output, and recently, the same dichotomy has been proposed for valenced behaviors. Whereas D1-MSNs mediate reinforcement and reward, D2-MSNs have been associated with punishment and aversion. In this review we will discuss pharmacological, genetic and optogenetic studies that indicate that there is still controversy to what concerns the role of striatal D1- and D2-MSNs in this type of behaviors, highlighting the need to reconsider the early view that they mediate solely opposing aspects of valenced behaviour.
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Delis F, Rombola C, Bellezza R, Rosko L, Grandy DK, Volkow ND, Thanos PK. Regulation of ethanol intake under chronic mild stress: roles of dopamine receptors and transporters. Front Behav Neurosci 2015; 9:118. [PMID: 26029066 PMCID: PMC4428139 DOI: 10.3389/fnbeh.2015.00118] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 04/24/2015] [Indexed: 01/24/2023] Open
Abstract
Studies have shown that exposure to chronic mild stress decreases ethanol intake and preference in dopamine D2 receptor wild-type mice (Drd2 (+/+)), while it increases intake in heterozygous (Drd2 (+/-)) and knockout (Drd2 (-/-)) mice. Dopaminergic neurotransmission in the basal forebrain plays a major role in the reinforcing actions of ethanol as well as in brain responses to stress. In order to identify neurochemical changes associated with the regulation of ethanol intake, we used in vitro receptor autoradiography to measure the levels and distribution of dopamine D1 and D2 receptors and dopamine transporters (DAT). Receptor levels were measured in the basal forebrain of Drd2 (+/+), Drd2 (+/-), and Drd2 (-/-) mice belonging to one of four groups: control (C), ethanol intake (E), chronic mild stress exposure (S), and ethanol intake under chronic mild stress (ES). D2 receptor levels were higher in the lateral and medial striatum of Drd2 (+/+) ES mice, compared with Drd2 (+/+) E mice. Ethanol intake in Drd2 (+/+) mice was negatively correlated with striatal D2 receptor levels. D2 receptor levels in Drd2(+/-) mice were the same among the four treatment groups. DAT levels were lower in Drd2(+/-) C and Drd2 (-/-) C mice, compared with Drd2 (+/+) C mice. Among Drd2(+/-) mice, S and ES groups had higher DAT levels compared with C and E groups in most regions examined. In Drd2(-/-) mice, ethanol intake was positively correlated with DAT levels in all regions studied. D1 receptor levels were lower in Drd2(+/-) and Drd2(-/-) mice, compared with Drd2(+/+), in all regions examined and remained unaffected by all treatments. The results suggest that in normal mice, ethanol intake is associated with D2 receptor-mediated neurotransmission, which exerts a protective effect against ethanol overconsumption under stress. In mice with low Drd2 expression, where DRD2 levels are not further modulated, ethanol intake is associated with DAT function which is upregulated under stress leading to ethanol overconsumption.
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Affiliation(s)
- Foteini Delis
- Department of Psychology, State University of New York at Stony Brook Stony Brook, NY, USA
| | - Christina Rombola
- Department of Psychology, State University of New York at Stony Brook Stony Brook, NY, USA
| | - Robert Bellezza
- Department of Psychology, State University of New York at Stony Brook Stony Brook, NY, USA
| | - Lauren Rosko
- Department of Psychology, State University of New York at Stony Brook Stony Brook, NY, USA
| | - David K Grandy
- Department of Physiology & Pharmacology, School of Medicine, Oregon Health & Science University Portland, OR, USA
| | - Nora D Volkow
- Laboratory of Neuroimaging, National Institute on Alcohol Abuse and Alcoholism Bethesda, MD, USA
| | - Panayotis K Thanos
- Department of Psychology, State University of New York at Stony Brook Stony Brook, NY, USA
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Moreira FA, Dalley JW. Dopamine receptor partial agonists and addiction. Eur J Pharmacol 2015; 752:112-5. [DOI: 10.1016/j.ejphar.2015.02.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 02/04/2015] [Accepted: 02/16/2015] [Indexed: 11/30/2022]
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21
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Stimulant and motivational effects of alcohol: Lessons from rodent and primate models. Pharmacol Biochem Behav 2014; 122:37-52. [DOI: 10.1016/j.pbb.2014.03.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 02/17/2014] [Accepted: 03/06/2014] [Indexed: 11/22/2022]
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Nonlinear dose-dependent impact of D1 receptor activation on motor cortex plasticity in humans. J Neurosci 2014; 34:2744-53. [PMID: 24523562 DOI: 10.1523/jneurosci.3655-13.2014] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The neuromodulator dopamine plays an important role in synaptic plasticity. The effects are determined by receptor subtype specificity, concentration level, and the kind of neuroplasticity induced. D1-like receptors have been proposed to be involved in cognitive processes via their impact on plasticity. Cognitive studies in humans and animals revealed a dosage-dependent effect of D1-like receptor activation on task performance. In humans, D1-like receptor activation re-establishes plasticity under D2 receptor block. However, a dosage-dependent effect has not been explored so far. To determine the impact of the amount of D1-like receptor activation on neuroplasticity in humans, we combined sulpiride, a selective D2 receptor antagonist, with the dopamine precursor l-DOPA (25, 100, and 200 mg) or applied placebo medication. The impact on plasticity induced by anodal and cathodal transcranial direct current stimulation (tDCS) was compared with the impact on plasticity induced by excitatory and inhibitory paired associative stimulation (PAS) at the primary motor cortex of healthy humans. Stimulation-generated cortical excitability alterations were monitored by transcranial magnetic stimulation-induced motor-evoked potential amplitudes. D1-like receptor activation produced an inverted U-shaped dose-response curve on plasticity induced by both facilitatory tDCS and PAS. For excitability-diminishing tDCS and PAS, aftereffects were abolished or converted trendwise into facilitation. These data extend findings of dose-dependent inverted U-shaped effects of D1 receptor activation on neuroplasticity of the motor cortex.
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Young EA, Dreumont SE, Cunningham CL. Role of nucleus accumbens dopamine receptor subtypes in the learning and expression of alcohol-seeking behavior. Neurobiol Learn Mem 2013; 108:28-37. [PMID: 23742917 DOI: 10.1016/j.nlm.2013.05.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2013] [Revised: 05/14/2013] [Accepted: 05/17/2013] [Indexed: 11/25/2022]
Abstract
These studies examined the roles of dopamine D1- and D2-like receptors within the nucleus accumbens (Acb) in the acquisition and expression of ethanol-induced (2g/kg) conditioned place preference (CPP) in adult male DBA/2J mice. Bilateral intra-Acb infusions of the D1-like dopamine receptor antagonist SCH23390 (0.05, 0.5μg/side) or the D2-like dopamine receptor antagonist raclopride (0.5-5.0μg/side) were administered 30min before each ethanol conditioning trial (acquisition studies) or before preference tests (expression studies). CPP was conditioned to tactile cues using an unbiased apparatus and procedure. Intra-Acb infusion of SCH23390 prevented CPP acquisition, whereas intra-Acb infusion of raclopride did not. Intra-Acb infusion of both antagonists, however, dose-dependently reduced ethanol-stimulated locomotor activity during conditioning. In contrast, intra-Acb antagonist infusion had no effect on ethanol CPP expression, suggesting that dopamine's role in the Acb is limited to neurobiological processes engaged during the learning of the relationship between contextual cues and ethanol reward. Control experiments showed that intra-Acb injection of SCH23390 alone produced no place conditioning and did not interfere with the acquisition of conditioned place aversion induced by lithium chloride, suggesting that the antagonist's effect on ethanol CPP was not due to a more general detrimental effect on associative learning. Overall, these data suggest that D1-like (but not D2-like) dopamine Acb receptors play an important role in the learning of context-ethanol associations, either by modulating the magnitude of ethanol reward or the rate of learning about ethanol reward.
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Affiliation(s)
- Emily A Young
- Department of Behavioral Neuroscience, Portland Alcohol Research Center, Oregon Health & Science University, Portland, OR 97239-3098, United States
| | - Sarah E Dreumont
- Department of Behavioral Neuroscience, Portland Alcohol Research Center, Oregon Health & Science University, Portland, OR 97239-3098, United States
| | - Christopher L Cunningham
- Department of Behavioral Neuroscience, Portland Alcohol Research Center, Oregon Health & Science University, Portland, OR 97239-3098, United States.
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