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Delage C, Morel A, de Witt P, Jauffret-Roustide M, Bloch V, Noble F, Vorspan F, Marie N. Behavioral sensitization to psychostimulants and opioids: What is known in rodents and what still needs to be explored in humans? Prog Neuropsychopharmacol Biol Psychiatry 2023; 127:110824. [PMID: 37479108 DOI: 10.1016/j.pnpbp.2023.110824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 06/28/2023] [Accepted: 07/07/2023] [Indexed: 07/23/2023]
Abstract
Repeated exposure to substances of abuse results in an increase in some behavioral responses. This phenomenon, called behavioral sensitization (BS), is well described in preclinical models. However, its existence in humans is still a matter of debate. After a review of preclinical evidence of BS and its mechanisms in animal models, we reviewed the evidence supporting the existence of BS in humans, despite the limited research available in this regard. We focused our review on opioids and psychostimulants, since they share the ability to promote addictive behaviors. Further, they induce BS despite their distinct sedative and stimulant properties. Moreover, we proposed future research perspectives in this review to address the remaining unsolved questions, especially regarding BS in humans using a harm reduction approach.
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Affiliation(s)
- Clément Delage
- Université Paris Cité, Inserm, UMRS-1144 Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France; Service Pharmacie, AP-HP, Hôpital Lariboisière-Fernand Widal, F-75010 Paris, France
| | - Alix Morel
- Département de Psychiatrie et de Médecine Addictologique, AP-HP, Hôpital Lariboisière-Fernand Widal, F-75010 Paris, France
| | - Pauline de Witt
- Département de Psychiatrie et de Médecine Addictologique, AP-HP, Hôpital Lariboisière-Fernand Widal, F-75010 Paris, France
| | - Marie Jauffret-Roustide
- École des hautes études en sciences sociales, Inserm U 1276, CNRS UMR 8044, Centre d'étude des mouvements sociaux, Paris, France
| | - Vanessa Bloch
- Université Paris Cité, Inserm, UMRS-1144 Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France; Service Pharmacie, AP-HP, Hôpital Lariboisière-Fernand Widal, F-75010 Paris, France
| | - Florence Noble
- Université Paris Cité, Inserm UMR-S1124, CNRS EMR 3649, "Pharmacologie et thérapies des addictions", Paris, France
| | - Florence Vorspan
- Université Paris Cité, Inserm, UMRS-1144 Optimisation Thérapeutique en Neuropsychopharmacologie, F-75006 Paris, France; Département de Psychiatrie et de Médecine Addictologique, AP-HP, Hôpital Lariboisière-Fernand Widal, F-75010 Paris, France
| | - Nicolas Marie
- Université Paris Cité, Inserm UMR-S1124, CNRS EMR 3649, "Pharmacologie et thérapies des addictions", Paris, France.
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MORIYA Y, KASAHARA Y, ISHIHARA K, HALL FS, HAGINO Y, HEN R, IKEDA K, UHL GR, SORA I. Heterozygous and homozygous gene knockout of the 5-HT1B receptor have different effects on methamphetamine-induced behavioral sensitization. Behav Pharmacol 2023; 34:393-403. [PMID: 37668157 PMCID: PMC10527357 DOI: 10.1097/fbp.0000000000000745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2023]
Abstract
The psychostimulant drug methamphetamine (METH) causes euphoria in humans and locomotor hyperactivity in rodents by acting on the mesolimbic dopamine (DA) pathway and has severe abuse and addiction liability. Behavioral sensitization, an increased behavioral response to a drug with repeated administration, can persist for many months after the last administration. Research has shown that the serotonin 1B (5-HT1B) receptor plays a critical role in the development and maintenance of drug addiction, as well as other addictive behaviors. This study examined the role of 5-HT1B receptors in METH-induced locomotor sensitization using 5-HT1B knockout (KO) mice. To clarify the action of METH in 5-HT1B KO mice the effects of METH on extracellular levels of DA (DAec) and 5-HT (5-HTec) in the caudate putamen (CPu) and the nucleus accumbens (NAc) were examined. Locomotor sensitization and extracellular monoamine levels were determined in wild-type mice (5-HT1B +/+), heterozygous 5-HT1B receptor KO (5-HT1B +/-) mice and homozygous 5-HT1B receptor KO mice (5-HT1B -/-). Behavioral sensitization to METH was enhanced in 5-HT1B -/- mice compared to 5-HT1B +/+ mice but was attenuated in 5-HT1B +/- mice compared to 5-HT1B +/+ and 5-HT1B -/- mice. In vivo, microdialysis demonstrated that acute administration of METH increases DAec levels in the CPu and NAc of 5-HT1B KO mice compared to saline groups. In 5-HT1B +/- mice, METH increased 5-HTec levels in the CPu, and DAec levels in the NAc were higher than in others.5-HT1B receptors play an important role in regulating METH-induced behavioral sensitization.
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Affiliation(s)
- Yuki MORIYA
- Department of Biological Psychiatry, Graduate School of Medicine, Sendai, Tohoku University, Japan
- Department of Disaster Psychiatry, International Research Institute of Disaster Science (IRIDeS), Graduate School of Medicine, Tohoku University, Sendai, Japan
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Yoshiyuki KASAHARA
- Department of Biological Psychiatry, Graduate School of Medicine, Sendai, Tohoku University, Japan
- Department of Disaster Psychiatry, International Research Institute of Disaster Science (IRIDeS), Graduate School of Medicine, Tohoku University, Sendai, Japan
- Department of Maternal and Fetal Therapeutics, Tohoku University Graduate, School of Medicine, Sendai, Japan
- Department of Maternal and Child Healthcare Medical Science, Tohoku, University Graduate School of Medicine, Sendai, Japan
| | - Kana ISHIHARA
- Department of Biological Psychiatry, Graduate School of Medicine, Sendai, Tohoku University, Japan
| | - F. Scott HALL
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, OH, USA
| | - Yoko HAGINO
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - René HEN
- Department of Neuroscience and Pharmacology, Columbia University Medical Center, NY, USA
| | - Kazutaka IKEDA
- Addictive Substance Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - George R. UHL
- Departments of Neurology and Pharmacology, University of Maryland School of Medicine, and VA Maryland Healthcare System, MD, USA
| | - Ichiro SORA
- Department of Biological Psychiatry, Graduate School of Medicine, Sendai, Tohoku University, Japan
- Department of Psychiatry, Kobe University Graduate School of Medicine, Kobe, Japan
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Gao M, Der-Ghazarian TS, Li S, Qiu S, Neisewander JL, Wu J. Dual Effect of 5-HT 1B/1D Receptors on Dopamine Neurons in Ventral Tegmental Area: Implication for the Functional Switch After Chronic Cocaine Exposure. Biol Psychiatry 2020; 88:922-934. [PMID: 32172944 DOI: 10.1016/j.biopsych.2020.01.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/19/2019] [Accepted: 01/10/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Serotonin (5-HT) 1B/1D receptor (5-HT1B/1DR) agonists undergo an abstinence-induced switch in their effects on cocaine-related behaviors, which may involve changes in modulation of dopamine (DA) neurons in the ventral tegmental area (VTA). However, it is unclear how 5-HT1B/1DRs affect VTA DA neuronal function and whether modulation of these neurons mediates the abstinence-induced switch after chronic cocaine exposure. METHODS We examined the ability of 5-HT1B/1DRs to modulate D2 autoreceptors (D2ARs) and synaptic transmission in the VTA by slice recording and single unit recording in vivo in naïve mice and in mice with chronic cocaine treatment. RESULTS We report a bidirectional modulation of VTA DA neuronal firing through the interaction of VTA 5-HT1B/1DRs and D2ARs. In both VTA slices and the VTA of anesthetized mice, the 5-HT1B/1DR agonist CP94253 decreased DA neuronal firing rate and evoked excitatory postsynaptic currents to DA neurons in slice. Paradoxically, CP94253 decreased quinpirole-induced inhibition of DA neurons by reducing D2AR-mediated G protein-gated inwardly rectifying potassium current. This manifested decreased GABAA (gamma-aminobutyric acid A) receptor-mediated evoked inhibitory postsynaptic currents in slice, resulting in disinhibition of DA neurons, in opposition to the 5-HT1B/1DR-induced inhibition. This dual effect was verified in chronic cocaine-treated and mild stress-treated, male mice on days 1 and 20 posttreatment. CONCLUSIONS This study revealed dual effects of CP94253 on VTA DA neurons that are dependent on D2AR sensitivity, with anti-inhibition under normal D2AR sensitivity and inhibition under low D2AR sensitivity. These dual effects may underlie the ability of CP94253 to both enhance and inhibit cocaine-induced behaviors.
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Affiliation(s)
- Ming Gao
- Department of Neurobiology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ.
| | | | - Shuangtao Li
- Department of Neurobiology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ; Shantou University Medical College, Guangdong, Shantou, China
| | - Shenfeng Qiu
- Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix, AZ
| | | | - Jie Wu
- Department of Neurobiology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Phoenix, AZ; Shantou University Medical College, Guangdong, Shantou, China.
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4
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Sungur AÖ, Redecker TM, Andres E, Dürichen W, Schwarting RKW, Del Rey A, Wöhr M. Reduced Efficacy of d-Amphetamine and 3,4-Methylenedioxymethamphetamine in Inducing Hyperactivity in Mice Lacking the Postsynaptic Scaffolding Protein SHANK1. Front Mol Neurosci 2018; 11:419. [PMID: 30505269 PMCID: PMC6250831 DOI: 10.3389/fnmol.2018.00419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 10/26/2018] [Indexed: 02/02/2023] Open
Abstract
Genetic defects in the three SH3 and multiple ankyrin repeat domains (SHANK) genes (SHANK1, SHANK2, and SHANK3) are associated with multiple major neuropsychiatric disorders, including autism spectrum disorder (ASD), schizophrenia (SCZ), and bipolar disorder (BPD). Psychostimulant-induced hyperactivity is a commonly applied paradigm to assess behavioral phenotypes related to BPD and considered to be the gold standard for modeling mania-like elevated drive in mouse models. Therefore, the goal of our present study was to test whether Shank1 plays a role in the behavioral effects of psychostimulants and whether this is associated with genotype-dependent neurochemical alterations. To this aim, male and female null mutant Shank1-/- mice were treated with d-amphetamine (AMPH; 2.5 mg/kg) and 3,4-methylenedioxymethamphetamine (MDMA, commonly known as ecstasy; 20 mg/kg), and psychostimulant-induced hyperactivity was compared to heterozygous Shank1+/- and wildtype Shank1+/+ littermate controls. Results show that Shank1-/- mice display reduced psychostimulant-induced hyperactivity, although psychostimulants robustly stimulated locomotor activity in littermate controls. Shank1 deletion effects emerged throughout development, were particularly prominent in adulthood, and seen in response to both psychostimulants, i.e., AMPH and MDMA. Specifically, while AMPH-induced hyperactivity was reduced but still detectable in Shank1-/- mice, MDMA-induced hyperactivity was robustly blocked and completely absent in Shank1-/- mice. Reduced efficacy of psychostimulants to stimulate hyperactivity in Shank1-/- mice might be associated with alterations in the neurochemical architecture in prefrontal cortex, nucleus accumbens, and hypothalamus. Our observation that psychostimulant-induced hyperactivity is reduced rather than enhanced in Shank1-/- mice clearly speaks against a behavioral phenotype with relevance to BPD. Lack of BPD-like phenotype is consistent with currently available human data linking mutations in SHANK2 and SHANK3 but not SHANK1 to BPD.
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Affiliation(s)
- A Özge Sungur
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps University of Marburg, Marburg, Germany.,Center for Mind, Brain and Behavior, Philipps University of Marburg, Marburg, Germany
| | - Tobias M Redecker
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps University of Marburg, Marburg, Germany
| | - Elena Andres
- Research Group Immunophysiology, Division of Neurophysiology, Institute of Physiology and Pathophysiology, Philipps University of Marburg, Marburg, Germany
| | - Wiebke Dürichen
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps University of Marburg, Marburg, Germany
| | - Rainer K W Schwarting
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps University of Marburg, Marburg, Germany.,Center for Mind, Brain and Behavior, Philipps University of Marburg, Marburg, Germany
| | - Adriana Del Rey
- Research Group Immunophysiology, Division of Neurophysiology, Institute of Physiology and Pathophysiology, Philipps University of Marburg, Marburg, Germany
| | - Markus Wöhr
- Behavioral Neuroscience, Experimental and Biological Psychology, Philipps University of Marburg, Marburg, Germany.,Center for Mind, Brain and Behavior, Philipps University of Marburg, Marburg, Germany
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Miszkiel J, Jastrzębska J, Filip M, Przegaliński E. Amphetamine Self-Administration and Its Extinction Alter the 5-HT 1B Receptor Protein Levels in Designated Structures of the Rat Brain. Neurotox Res 2018; 35:217-229. [PMID: 30168018 PMCID: PMC6313351 DOI: 10.1007/s12640-018-9950-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 08/01/2018] [Accepted: 08/21/2018] [Indexed: 12/29/2022]
Abstract
Manipulation of the serotonin (5-HT)1B receptors can modify the behavioral effects of amphetamine including its reinforcing properties. Focus of this study was to examine changes in 5-HT1B receptor protein expression in several brain structures linked to substance drug disorder in different stages of amphetamine addiction—single session of amphetamine self-administration, 20 consecutive days of amphetamine self-administration, and 3 and 14 days of extinction from chronic drug intake. “Yoked” procedure was employed to set apart pharmacological and motivational effects of amphetamine intoxication. Immunohistofluorescence was performed on brain slices containing the following regions: nucleus accumbens (NAc) shell and core, globus pallidum (GP) lateral and ventral, hippocampus (HIP), substantia nigra (SN), and ventral tegmental area (VTA). Single amphetamine session decreased the amount of 5-HT1B receptors in SN, VTA, and HIP in active and yoked rats. On the contrary, 20 days of chronic amphetamine exposure triggered elevation of 5-HT1B receptors exclusively in animals that voluntarily administered the drug in NAc core, GP ventral, and HIP. Furthermore, 14-day (but not 3-day) extinction from amphetamine increased the 5-HT1B receptor expression in ventral and lateral GP, HIP, and SN. This study is the first to demonstrate that exposure to amphetamine and its extinction alter the expression of 5-HT1B receptors in various rat brain regions, and those changes seem to be transient and region specific. Importantly, since increased expression of 5-HT1B receptor after chronic amphetamine self-administration was limited only to active group of animals, we suggest that 5-HT1B receptor is linked to motivational aspect of addiction.
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Affiliation(s)
- Joanna Miszkiel
- Department of Drug Addiction Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
| | - Joanna Jastrzębska
- Department of Drug Addiction Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Małgorzata Filip
- Department of Drug Addiction Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Edmund Przegaliński
- Department of Drug Addiction Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
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6
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Jaehne EJ, Ameti D, Paiva T, van den Buuse M. Investigating the Role of Serotonin in Methamphetamine Psychosis: Unaltered Behavioral Effects of Chronic Methamphetamine in 5-HT 1A Knockout Mice. Front Psychiatry 2017; 8:61. [PMID: 28473777 PMCID: PMC5397502 DOI: 10.3389/fpsyt.2017.00061] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 04/04/2017] [Indexed: 01/11/2023] Open
Abstract
Methamphetamine (Meth) is a widely abused stimulant drug, but this abuse is associated with an increased risk of developing psychosis. In addition to its well-known action on brain dopamine, Meth also affects serotonergic (5-HT) neurons. The aim of this study was to investigate this role in mice, which lack one of the main serotonin receptors, the 5-HT1A receptor, which has been implicated in both schizophrenia and Meth-induced psychosis. Male and female wild-type or 5-HT1A knockout (KO) mice received daily treatment with increasing doses of methamphetamine from 6 to 9 weeks of age (1-4 mg/kg/day twice a day). At least 2 weeks after the last injection, the mice underwent a battery of behavioral tests focusing on psychosis-related behaviors, including Meth-induced hyperactivity, prepulse inhibition (PPI), social interaction, elevated plus maze (EPM), and Y-maze. Meth pretreatment resulted in significantly increased hyperlocomotion in response to an acute Meth challenge, but this effect was independent of genotype. Chronic Meth treatment resulted in decreased levels of anxiety in the EPM in both sexes, as well as increased startle responses in female mice only, again independent of genotype. 5-HT1A KO mice showed an increased locomotor response to acute Meth in both sexes, as well as increased PPI and decreased startle responses in female mice only, independent of Meth pretreatment. In conclusion, the effects of chronic Meth appear unaffected by the absence of the 5-HT1A receptor. These results do not support a role of the 5-HT1A receptor in Meth-induced psychosis.
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Affiliation(s)
- Emily J Jaehne
- Department Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia
| | - Dzeneta Ameti
- Department Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia
| | - Tehani Paiva
- Department Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia
| | - Maarten van den Buuse
- Department Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, VIC, Australia.,Department of Pharmacology, University of Melbourne, Melbourne, VIC, Australia.,The College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, QLD, Australia
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7
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Carli M, Kostoula C, Sacchetti G, Mainolfi P, Anastasia A, Villani C, Invernizzi RW. Tph2 gene deletion enhances amphetamine-induced hypermotility: effect of 5-HT restoration and role of striatal noradrenaline release. J Neurochem 2015; 135:674-85. [DOI: 10.1111/jnc.13280] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 07/29/2015] [Accepted: 07/30/2015] [Indexed: 11/30/2022]
Affiliation(s)
- Mirjana Carli
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Chrysaugi Kostoula
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Giuseppina Sacchetti
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Pierangela Mainolfi
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Alessia Anastasia
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Claudia Villani
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
| | - Roberto William Invernizzi
- Department of Neuroscience; IRCCS - Istituto di Ricerche Farmacologiche “Mario Negri”; Lab. Neurochemistry and Behavior; Milano Italy
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Attenuated methamphetamine-induced locomotor sensitization in serotonin transporter knockout mice is restored by serotonin 1B receptor antagonist treatment. Behav Pharmacol 2015; 26:167-79. [PMID: 25485646 DOI: 10.1097/fbp.0000000000000120] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Repeated administration of methamphetamine (METH) enhances acute locomotor responses to METH administered in the same context, a phenomenon termed as 'locomotor sensitization'. Although many of the acute effects of METH are mediated by its influences on the compartmentalization of dopamine, serotonin systems have also been suggested to influence the behavioral effects of METH in ways that are not fully understood. The present experiments examined serotonergic roles in METH-induced locomotor sensitization by assessing: (a) the effect of serotonin transporter (SERT; Slc6A4) knockout (KO) on METH-induced locomotor sensitization; (b) extracellular monoamine levels in METH-treated animals as determined by in-vivo microdialysis; and (c) effects of serotonin (5-HT) receptor antagonists on METH-induced behavioral sensitization, with focus on effects of the 5-HT1B receptor antagonist SB 216641 and a comparison with the 5-HT2 receptor antagonist ketanserin. Repeated METH administration failed to induce behavioral sensitization in homozygous SERT KO (SERT-/-) mice under conditions that produced substantial sensitization in wild-type or heterozygous SERT KO (SERT+/-) mice. The selective 5-HT1B antagonist receptor SB 216641 restored METH-induced locomotor sensitization in SERT-/- mice, whereas ketanserin was ineffective. METH-induced increases in extracellular 5-HT (5-HTex) levels were substantially reduced in SERT-/- mice, although SERT genotype had no effect on METH-induced increases in extracellular dopamine. These experiments demonstrate that 5-HT actions, including those at 5-HT1B receptors, contribute to METH-induced locomotor sensitization. Modulation of 5-HT1B receptors might aid therapeutic approaches to the sequelae of chronic METH use.
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Miszkiel J, Przegaliński E. Effects of serotonin (5-HT)1B receptor ligands on amphetamine-seeking behavior in rats. Pharmacol Rep 2014; 65:813-22. [PMID: 24145075 DOI: 10.1016/s1734-1140(13)71062-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Revised: 03/06/2013] [Indexed: 11/25/2022]
Abstract
BACKGROUND Numerous studies have indicated that serotonin (5-HT)1B receptor ligands affect the behavioral effects of psychostimulants (cocaine, amphetamine), including the reinforcing activities of these drugs. METHODS To substantiate a role for those receptors in incentive motivation for amphetamine, we used the extinction/reinstatement model to examine the effects of the 5-HT1B receptor ligands on the reinstatement of extinguished amphetamine-seeking behavior. Rats trained to self-administer amphetamine (0.06 mg/kg/infusion) subsequently underwent the extinction procedure. These rats were then tested for the amphetamine-primed or amphetamine-associated cue-induced reinstatement of extinguished amphetamine-seeking behavior. RESULTS The 5-HT1B receptor antagonist SB 216641 (5-7.5 mg/kg) attenuated the amphetamine (1.5 mg/kg)- and the amphetamine-associated cue combined with the threshold dose of amphetamine (0.5 mg/kg)-induced reinstatement of amphetamine-seeking behavior. The 5-HT1B receptor agonist CP 94253 (1.25-5 mg/kg) also inhibited the amphetamine-seeking behavior induced by amphetamine (1.5 mg/kg) but not by the cue combined with the threshold dose of amphetamine. The inhibitory effect of CP94253 on amphetamine-seeking behavior remained unaffected by the 5-HT1B receptor antagonist. CONCLUSION Our results indicate that tonic activation of 5-HT1B receptors is involved in amphetamine- and cue-induced reinstatement of amphetamine-seeking behavior and that the inhibitory effects of 5-HT1B receptor antagonists on these phenomena are directly related to the motivational aspects of amphetamine abuse. The inhibitory effect of CP 94253 on amphetamine-seeking behavior seems to be unrelated to 5-HT1B receptor activation and may result from a general reduction of motivation.
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Affiliation(s)
- Joanna Miszkiel
- Laboratory of Drug Addiction Pharmacology, Department of Pharmacology, Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, PL 31-343 Kraków, Poland.
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10
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The role of serotonin in drug use and addiction. Behav Brain Res 2014; 277:146-92. [PMID: 24769172 DOI: 10.1016/j.bbr.2014.04.007] [Citation(s) in RCA: 209] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 04/04/2014] [Accepted: 04/05/2014] [Indexed: 12/26/2022]
Abstract
The use of psychoactive drugs is a wide spread behaviour in human societies. The systematic use of a drug requires the establishment of different drug use-associated behaviours which need to be learned and controlled. However, controlled drug use may develop into compulsive drug use and addiction, a major psychiatric disorder with severe consequences for the individual and society. Here we review the role of the serotonergic (5-HT) system in the establishment of drug use-associated behaviours on the one hand and the transition and maintenance of addiction on the other hand for the drugs: cocaine, amphetamine, methamphetamine, MDMA (ecstasy), morphine/heroin, cannabis, alcohol, and nicotine. Results show a crucial, but distinct involvement of the 5-HT system in both processes with considerable overlap between psychostimulant and opioidergic drugs and alcohol. A new functional model suggests specific adaptations in the 5-HT system, which coincide with the establishment of controlled drug use-associated behaviours. These serotonergic adaptations render the nervous system susceptible to the transition to compulsive drug use behaviours and often overlap with genetic risk factors for addiction. Altogether we suggest a new trajectory by which serotonergic neuroadaptations induced by first drug exposure pave the way for the establishment of addiction.
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11
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Tang B, Dafny N. Behavioral and dorsal raphe neuronal activity following acute and chronic methylphenidate in freely behaving rats. Brain Res Bull 2013; 98:53-63. [PMID: 23886570 DOI: 10.1016/j.brainresbull.2013.06.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Revised: 06/14/2013] [Accepted: 06/24/2013] [Indexed: 12/17/2022]
Abstract
Concomitant behavioral and dorsal raphe (DR) neuronal activity were recorded following acute and chronic dose response of methylphenidate (MPD) in freely moving rats previously implanted with permanent semi-microelectrodes using telemetric (wireless) technology. On experimental day (ED) 1, the neuronal and locomotor activity were recorded after saline (baseline) and MPD (0.6, 2.5 or 10.0mg/kg) injection (i.p.). Animals were injected daily with a single dose of MPD for five consecutive days (ED 2-6) to elicit behavioral sensitization or tolerance. After three washout days, the neuronal and locomotor activity recording was resumed on ED 10 followed by saline and MPD rechallenge injection. The main findings were: (1) the same dose of chronic MPD administration elicited behavioral sensitization in some animals and behavioral tolerance in others. (2) 46%, 56% and 73% of DR units responded to acute 0.6, 2.5 and 10.0mg/kg MPD respectively. (3) 89%, 70% and 86% of DR units changed their baseline activity on ED 10 compared to that on ED 1 in the 0.6, 2.5 and 10.0mg/kg MPD groups respectively. (4) A significant difference in ED 10 baseline activity was observed in the DR neuronal population recording from animals expressing behavioral sensitization compared to that of animals expressing behavioral tolerance. (5) 89%, 78% and 88% of DR units responded to chronic 0.6, 2.5 and 10.0mg/kg MPD respectively. (6) The DR neuronal population recording following acute MPD on ED 1 and rechallenge MPD on ED 10 from animals expressing behavioral sensitization was significantly different from the neuronal population recorded from animals exhibited behavioral tolerance. The correlation between the DR neuronal activity and animal's behavior following chronic MPD exposure suggested that the DR neuronal activity may play an important role in the expression of behavioral sensitization and tolerance induced by chronic MPD administration.
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Affiliation(s)
- Bin Tang
- Department of Neurobiology and Anatomy, University of Texas Medical School at Houston, USA
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12
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The effect of serotonin 5HT1B receptor ligands on amphetamine self-administration in rats. Eur J Pharmacol 2012; 677:111-5. [DOI: 10.1016/j.ejphar.2011.12.033] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2011] [Revised: 12/12/2011] [Accepted: 12/18/2011] [Indexed: 11/18/2022]
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13
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Joanna M, Małgorzata F, Edmund P. Role of serotonin (5-HT)1B receptors in psychostimulant addiction. Pharmacol Rep 2011; 63:1310-5. [DOI: 10.1016/s1734-1140(11)70695-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2011] [Revised: 08/01/2011] [Indexed: 11/29/2022]
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14
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Boureau YL, Dayan P. Opponency revisited: competition and cooperation between dopamine and serotonin. Neuropsychopharmacology 2011; 36:74-97. [PMID: 20881948 PMCID: PMC3055522 DOI: 10.1038/npp.2010.151] [Citation(s) in RCA: 301] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Revised: 08/03/2010] [Accepted: 08/03/2010] [Indexed: 11/08/2022]
Abstract
Affective valence lies on a spectrum ranging from punishment to reward. The coding of such spectra in the brain almost always involves opponency between pairs of systems or structures. There is ample evidence for the role of dopamine in the appetitive half of this spectrum, but little agreement about the existence, nature, or role of putative aversive opponents such as serotonin. In this review, we consider the structure of opponency in terms of previous biases about the nature of the decision problems that animals face, the conflicts that may thus arise between Pavlovian and instrumental responses, and an additional spectrum joining invigoration to inhibition. We use this analysis to shed light on aspects of the role of serotonin and its interactions with dopamine.
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Affiliation(s)
- Y-Lan Boureau
- The Courant Institute of Mathematical Sciences, New York University, New York, NY, USA
| | - Peter Dayan
- Gatsby Computational Neuroscience Unit, London, UK
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15
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Müller CP, Pum ME, Schumann G, Huston JP. The Role of Serotonin in Drug Addiction. HANDBOOK OF BEHAVIORAL NEUROSCIENCE 2010. [DOI: 10.1016/s1569-7339(10)70099-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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16
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Acute nicotine and phencyclidine increase locomotor activity of the guinea pig with attenuated potencies relative to their effects on rat or mouse. Pharmacol Biochem Behav 2010; 94:410-5. [DOI: 10.1016/j.pbb.2009.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2009] [Revised: 10/02/2009] [Accepted: 10/09/2009] [Indexed: 11/23/2022]
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17
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Ferguson SM, Sandygren NA, Neumaier JF. Pairing mild stress with increased serotonin-1B receptor expression in the nucleus accumbens increases susceptibility to amphetamine. Eur J Neurosci 2009; 30:1576-84. [PMID: 19817843 DOI: 10.1111/j.1460-9568.2009.06933.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Both serotonin-1B (5-HT(1B)) receptors and stress modulate the behavioral and neurobiological effects of psychostimulant drugs. In order to examine how these factors interact to influence the development of behaviors associated with addiction, we used viral-mediated gene transfer to transiently increase expression of 5-HT(1B) receptors in the nucleus accumbens (NAc) shell along with exposure to repeated mild stress (novelty + saline injection) in rats. Once the viral-mediated increases in gene expression had dissipated, the resulting effects of this 5-HT(1B)/stress pairing on the acute locomotor response to amphetamine and on the development of psychomotor sensitization were examined. We report that the increasing expression of 5-HT(1B) receptors on the terminals of NAc shell neurons that project to the ventral tegmental area and repeatedly exposing rats to mild stress subsequently enhance the acute locomotor-activating effects of amphetamine. In addition, the development of psychomotor sensitization (both locomotor activity and stereotypy components) is facilitated. These results suggest that serotonin signaling through NAc 5-HT(1B) heteroreceptors can interact with stress to increase susceptibility to the enduring forms of drug-induced plasticity that are associated with addiction.
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Affiliation(s)
- Susan M Ferguson
- Department of Psychiatry and Behavioral Sciences, University of Washington, Harborview Medical Center, Seattle, WA 98104, USA
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18
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Brookshire BR, Jones SR. Direct and indirect 5-HT receptor agonists produce gender-specific effects on locomotor and vertical activities in C57 BL/6J mice. Pharmacol Biochem Behav 2009; 94:194-203. [PMID: 19698737 DOI: 10.1016/j.pbb.2009.08.008] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2009] [Revised: 07/31/2009] [Accepted: 08/06/2009] [Indexed: 11/19/2022]
Abstract
It is well established that the dopamine (DA) and serotonin (5-HT) systems have extensive and complex interactions. However, the effects of specific 5-HT receptor agonists on traditionally DA-related behaviors remain unclear. Our goal in these studies was to characterize the effects of 5-HT receptor agonists on measures of locomotor activity and vertical rearing. The SSRIs fluoxetine and citalopram produced significant decreases in locomotor activity and vertical rearing at the highest doses used with females significantly more sensitive to citalopram. The 5-HT(1A) agonist 8-OH-DPAT and the 5-HT(2C) agonist MK 212 significantly decreased activity in both male and female mice, with females more sensitive to 8-OH-DPAT. In contrast, the 5-HT(1B) agonist RU 24969 and the 5-HT(2A) agonist DOI both increased activity, with DOI exhibiting differential effects with regard to sex. Finally, the 5-HT(3) agonist SR 57227 produced significant locomotor increases only in female mice at the lowest dose. The results of these experiments define locomotor profiles of several 5-HT agonists in male and female C57BL/6J mice, providing a foundation for further explorations of 5-HT receptor effects on activity.
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Affiliation(s)
- Bethany R Brookshire
- Department of Physiology and Pharmacology, Wake Forest University Health Sciences, Winston-Salem, NC 27157, USA
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19
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Higuchi M, Suzuki Y, Yatani Y, Kitagawa Y, Nagayasu K, Shirakawa H, Nakagawa T, Kaneko S. Augmentation of serotonin release by sustained exposure to MDMA and methamphetamine in rat organotypic mesencephalic slice cultures containing raphe serotonergic neurons. J Neurochem 2008; 106:2410-20. [DOI: 10.1111/j.1471-4159.2008.05583.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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5-HT(1B) receptor inhibition of alcohol-heightened aggression in mice: comparison to drinking and running. Psychopharmacology (Berl) 2008; 197:145-56. [PMID: 18071678 DOI: 10.1007/s00213-007-1017-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2007] [Accepted: 11/07/2007] [Indexed: 02/06/2023]
Abstract
RATIONALE Serotonin 5-HT(1B) receptors are promising targets for the management of several mood and impulse disorders. OBJECTIVE These experiments examine a 5-HT(1B) agonist, CP-94,253, and attempt to distinguish between its effects on seeking to perform three rewarding behaviors: aggression, drinking, and wheel running. MATERIALS AND METHODS Male CFW mice perform nose-poke responses that are maintained by a fixed interval schedules of 10-min (FI10) schedule to gain access to one of three rewarding activities. The first experiment studies mice reinforced by the opportunity to confront an intruder mouse after drinking water or alcohol; the second studies mice reinforced by the presentation of alcoholic or non-alcoholic solutions (i.e., 6% ethanol, 0.05% saccharin vs 0.05% saccharin); the third studies mice reinforced by access to a running wheel. RESULTS CP-94,253 (1.0-10 mg/kg i.p.) dose-dependently reduces aggression, drinking, and wheel running. Of these behaviors, alcohol-heightened aggression is the most sensitive to the 5-HT(1B) receptor agonist (ED50 = 4.8 mg/kg). Responding for the opportunity to drink or engage in alcohol-heightened aggression is suppressed by the highest dose of CP-94,253, whereas CP-94,253 does not affect responding that is reinforced by wheel running or species-typical aggression. CONCLUSIONS These results confirm the inhibitory effects of 5-HT(1B) receptor stimulation on aggressive performance and drinking. They also reveal an inhibition of voluntary wheel running, contrary to the stimulation of running in a novel, open arena. 5-HT(1B) receptor agonists may be particularly useful for the treatment of aggressive behavioral disorders, but their efficacy and potency appear to be sensitive to the intensity and context of the behavior.
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21
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Ago Y, Nakamura S, Baba A, Matsuda T. Neuropsychotoxicity of abused drugs: effects of serotonin receptor ligands on methamphetamine- and cocaine-induced behavioral sensitization in mice. J Pharmacol Sci 2008; 106:15-21. [PMID: 18198473 DOI: 10.1254/jphs.fm0070121] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Repeated administration of psychostimulants elicits a progressive enhancement of locomotor activity known as behavioral sensitization. Central dopamine (DA) neurons play key roles as the neural substrates mediating behavioral sensitization, but the role of the serotonin (5-HT) system in the sensitization is not fully elucidated. We have recently demonstrated that osemozotan, a specific 5-HT(1A)-receptor agonist, and ritanserin, a 5-HT(2)-receptor antagonist, inhibited the expression and development of both methamphetamine- and cocaine-induced behavioral sensitization in mice and that these drugs attenuated the maintenance of behavioral sensitization of methamphetamine, but not that of cocaine. We also found that azasetron, a 5-HT(3)-receptor antagonist, inhibited the expression and development of the sensitization induced by methamphetamine and cocaine, respectively. Neurochemical studies using a microdialysis technique showed that repeated methamphetamine enhanced the methamphetamine-induced increase in 5-HT release in the prefrontal cortex. The sensitization of 5-HT release in methamphetamine-treated mice was attenuated by osemozotan and ritanserin. These findings suggest that the 5-HT system plays an important role in methamphetamine- and cocaine-induced behavioral sensitization in mice and imply that 5-HT(1A)-receptor agonists and 5-HT(2)-receptor antagonists may have a potential therapeutic value for the treatment of methamphetamine abuse or psychosis.
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Affiliation(s)
- Yukio Ago
- Laboratory of Medicinal Pharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka, Japan
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22
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Ago Y, Nakamura S, Kajita N, Uda M, Hashimoto H, Baba A, Matsuda T. Ritanserin reverses repeated methamphetamine-induced behavioral and neurochemical sensitization in mice. Synapse 2007; 61:757-63. [PMID: 17568413 DOI: 10.1002/syn.20421] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Chronic administration of methamphetamine (METH) elicits progressive enhancement of locomotor activity known as behavioral sensitization. We have recently shown that chronic METH enhanced METH challenge-induced increase in 5-HT levels in the prefrontal cortex and that 5-HT(1A) receptor activation attenuated this neurochemical sensitization as well as behavioral sensitization. This study examined whether the nonselective 5-HT(2) receptor antagonist, ritanserin affects METH-induced behavioral and neurochemical sensitization in mice. Ritanserin at doses of 1 and 3 mg/kg inhibited the development and expression of METH-induced behavioral sensitization in a dose-dependent manner. Furthermore, chronic administration of ritanserin for a week attenuated the maintenance of behavioral sensitization, indicating the improvement of established behavioral sensitization. Microdialysis analysis showed that chronic ritanserin inhibited the neurochemical sensitization that chronic METH enhanced METH challenge-induced increase in extracellular 5-HT levels in the prefrontal cortex. Furthermore, acute ritanserin inhibited METH challenge-induced increase in extracellular 5-HT but not DA levels in the prefrontal cortex. These results suggest that 5-HT(2) receptors are involved in METH-induced hyperactivity and behavioral sensitization in mice.
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Affiliation(s)
- Yukio Ago
- Laboratory of Medicinal Pharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, Osaka 565-0871, Japan
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23
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Kitanaka N, Kitanaka J, Tatsuta T, Watabe K, Morita Y, Takemura M. Methamphetamine reward in mice as assessed by conditioned place preference test with Supermex sensors: effect of subchronic clorgyline pretreatment. Neurochem Res 2006; 31:805-13. [PMID: 16791472 DOI: 10.1007/s11064-006-9081-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2006] [Indexed: 10/24/2022]
Abstract
Recent studies in our laboratory have shown that methamphetamine (METH)-induced hyperlocomotion and behavioral sensitization in mice were inhibited by clorgyline, an irreversible monoamine oxidase inhibitor. In this study, the effect of clorgyline pretreatment on METH-induced rewarding effect was assessed by a conditioned place preference (CPP) test, using an apparatus developed with Supermex sensors (infrared pyroelectric sensors). Although intact male ICR mice showed significant CPP for METH (0.5 mg/kg, i.p.), pretreatment with subchronic clorgyline (0.1 and 10 mg/kg, s.c.) did not affect the magnitude of CPP. At a dose of 1 mg/kg, pretreatment of the mice with clorgyline showed a similar CPP index in both saline/saline and METH/saline pairing groups. During the conditioning session, the mice did not express behavioral sensitization to METH. Pretreatment with clorgyline (0.1, 1, and 10 mg/kg) decreased striatal apparent monoamine turnover in a dose-dependent manner. These results indicated that clorgyline pretreatment (0.1 and 10 mg/kg) did not influence the METH-induced rewarding effect in mice, although pretreatment of the mice with clorgyline at a dose of 1 mg/kg appeared to influence the CPP for METH.
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Affiliation(s)
- Nobue Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
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24
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Tatarczyńska E, Antkiewicz-Michaluk L, Kłodzińska A, Stachowicz K, Chojnacka-Wójcik E. Antidepressant-like effect of the selective 5-HT1B receptor agonist CP 94253: A possible mechanism of action. Eur J Pharmacol 2005; 516:46-50. [PMID: 15913599 DOI: 10.1016/j.ejphar.2005.04.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2005] [Accepted: 04/15/2005] [Indexed: 10/25/2022]
Abstract
The mechanism of the antidepressant-like activity of the selective 5-hydroxytryptamine(1B) (5-HT(1B)) receptor agonist 5-propoxy-3-(1,2,3,6-tetrahydro-4-pyridinyl)-1H-pyrrolo[3,2-b]pyridine (CP 94253) was studied in the forced swimming test in mice. CP 94253 administered intraperitoneally at a single dose of 5 mg/kg potently shortened the immobility time of mice. The anti-immobility effect of CP 94253 was wholly blocked by the selective 5-HT(1B) receptor antagonist N-[3-(2-dimethylamino)ethoxy-4-methoxyphenyl]-2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)-(1,1'-biphenyl)-4-carboxamide (SB 216641, 5 mg/kg), the dopamine D2-like receptor antagonist sulpiride (50 mg/kg) and the alpha(2)-adrenoceptor antagonist idazoxan (2 mg/kg), but was not modified in animals with a lesion of the 5-HT system produced by p-chlorophenylalanine (p-CPA, 3 x 300 mg/kg). The obtained results suggest that the anti-immobility effect of CP 94253 is mediated by activation of 5-HT(1B) receptors-most probably located postsynaptically and/or as heteroreceptors, and that the dopamine and the noradrenaline systems are involved in this action.
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Affiliation(s)
- Ewa Tatarczyńska
- Institute of Pharmacology, Polish Academy of Sciences, 12 Smetna Street, Cracow PL 31-343, Poland
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25
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Marzioni M, Glaser S, Francis H, Marucci L, Benedetti A, Alvaro D, Taffetani S, Ueno Y, Roskams T, Phinizy JL, Venter J, Fava G, Lesage GD, Alpini G. Autocrine/paracrine regulation of the growth of the biliary tree by the neuroendocrine hormone serotonin. Gastroenterology 2005; 128:121-37. [PMID: 15633129 DOI: 10.1053/j.gastro.2004.10.002] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND & AIMS The biliary tree is the target of cholangiopathies that are chronic cholestatic liver diseases characterized by loss of proliferative response and enhanced apoptosis of cholangiocytes, the epithelial cells lining the biliary tree. The endogenous factors that regulate cholangiocyte proliferation are poorly understood. Therefore, we studied the role of the neuroendocrine hormone serotonin as a modulator of cholangiocyte proliferation. METHODS The presence of the serotonin 1A and 1B receptors on cholangiocytes was evaluated. We then tested whether the activation of such receptors by the administration of the selective agonists modifies cholangiocyte proliferation and functional activity both in vivo and in vitro. In addition, the intracellular signal mediating the serotonin receptor action in cholangiocytes was characterized. We studied the expression and secretion of serotonin by cholangiocytes and the effects of the neutralization of the secreted hormone on the growth of the biliary tree. RESULTS Cholangiocytes express the serotonin 1A and 1B receptors. Their activation markedly inhibits the growth and choleretic activity of the biliary tree in the bile duct-ligated rat, a model of chronic cholestasis. Such changes are mediated by enhanced d -myo-inositol 1,4,5-triphosphate/Ca 2+ /protein kinase C signaling and the consequent inhibition of the adenosine 3',5'-cyclic monophosphate/protein kinase A/Src/extracellular signal-regulated kinase 1/2 cascade. Cholangiocytes secrete serotonin, the blockage of which enhances cholangiocyte proliferation in the course of cholestasis. CONCLUSIONS We observed the existence of an autocrine loop based on serotonin that limits the growth of the biliary tree in the course of chronic cholestasis. Our novel findings might open new approaches for the management of cholangiopathies.
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Affiliation(s)
- Marco Marzioni
- Department of Medical Physiology, Scott & White Hospital, and Texas A&M University Health System Science Center, 702 Southwest H.K. Dodgen Loop, Temple, TX 76504, USA
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Dalton GL, Lee MD, Kennett GA, Dourish CT, Clifton PG. mCPP-induced hyperactivity in 5-HT2C receptor mutant mice is mediated by activation of multiple 5-HT receptor subtypes. Neuropharmacology 2004; 46:663-71. [PMID: 14996544 DOI: 10.1016/j.neuropharm.2003.11.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2003] [Revised: 11/06/2003] [Accepted: 11/14/2003] [Indexed: 10/26/2022]
Abstract
The serotonin receptor agonist mCPP induces hyperlocomotion in 5-HT2C receptor knockout (KO) mice or in the presence of a 5-HT2C receptor antagonist. In the present group of experiments, we evaluate the role of 5-HT1A, 5-HT1B and 5-HT2A receptors in mCPP-induced hyperactivity in 5-HT2C KO mice. We also assess the ability of agonists at these receptors to induce hyperactivity in wildtype (WT) mice pre-treated with a selective 5-HT2C receptor antagonist. As previously reported, mCPP (3 mg/kg) induced hyperactivity in 5-HT2C KO mice. A combination of the 5-HT1B receptor agonist CP-94,253 (20 mg/kg) and the 5-HT1A receptor agonist 8-OH-DPAT (0.5 mg/kg) induced marked hyperactivity in WT but not in 5-HT2C KO mice, nor in mice treated with the selective 5-HT2C receptor antagonist, SB 242084 (1.5 mg/kg). Neither CP-94,253 nor 8-OH-DPAT had any intrinsic effect on locomotion in WTs. mCPP-induced hyperactivity was attenuated in 5-HT2C KO mice by the 5-HT1B receptor antagonist SB 224289 (2.5 mg/kg), and the 5-HT2A receptor antagonists ketanserin (0.3 mg/kg) and M100907 (0.01 mg/kg) but not by the 5-HT1A receptor antagonist WAY 100635 (1 mg/kg). The 5-HT(2A/2B/2C) receptor agonist, Ro 60-0175 (3 mg/kg), induced a modest increase in locomotor activity in WT mice pre-treated with SB 242084. However, the combination of Ro 60-0175 with CP-94,253 induced a substantial increase in activity in 5-HT2C KO mice, an effect comparable to mCPP-induced hyperactivity. Thus, joint activation of 5-HT1A and 5-HT1B receptors stimulates locomotion in WT mice but this response is dependent on a functional 5-HT2C receptor population and hence is absent in 5-HT2C KO mice. By contrast, mCPP-induced hyperactivity depends on the inactivation of a separate 5-HT2C receptor population and is mediated by 5-HT2A and 5-HT1B receptor activation.
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Affiliation(s)
- G L Dalton
- Department of Psychology, Sussex University, Brighton BN1 9QG, UK
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27
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Millan MJ, Veiga S, Girardon S, Brocco M. Blockade of serotonin 5-HT1B and 5-HT2A receptors suppresses the induction of locomotor activity by 5-HT reuptake inhibitors, citalopram and fluvoxamine, in NMRI mice exposed to a novel environment: a comparison to other 5-HT receptor subtypes. Psychopharmacology (Berl) 2003; 168:397-409. [PMID: 12721776 DOI: 10.1007/s00213-003-1389-y] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2002] [Accepted: 12/14/2002] [Indexed: 01/07/2023]
Abstract
RATIONALE Though 5-HT plays an important role in the modulation of motor function, which is perturbed in depressive states, little is known concerning the influence of serotonin reuptake inhibitors (SSRIs) on locomotor activity (LA). Recently, we demonstrated that SSRIs, such as citalopram, enhance LA in mice exposed to a novel environment. OBJECTIVES This study examined the role of multiple classes of 5-HT receptor in citalopram-induced LA. METHODS The most selective antagonists currently available were used. RESULTS Citalopram-induced LA was dose-dependently attenuated by the 5-HT1B/1D receptor antagonists, S18127, GR125,743 and GR127,935, and by the selective 5-HT1B antagonist, SB224,289, but unaffected by the selective 5-HT1A antagonist, WAY100,635. The selective antagonists at 5-HT2A receptors, MDL100,907 and SR46,349 also dose-dependently attenuated induction of locomotion by citalopram, whereas the 5-HT2B antagonist, SB204,741, and the 5-HT2B/2C antagonist, SB206,553 were ineffective. Further, the selective 5-HT2C antagonist, SB242,084, potentiated the response to citalopram. Selective antagonists at 5-HT3 (ondansetron), 5-HT4 (GR125,487), 5-HT6 (SB271,046) and 5-HT7 (SB269,970) receptors did not significantly modify the action of citalopram. Underpinning these findings, SB224,289, GR125,743, MDL100,907 and SR46,349 likewise attenuated induction of locomotion by a further SSRI, fluvoxamine. CONCLUSIONS The locomotor response to SSRIs of mice exposed to a novel environment is mediated via 5-HT1B and 5-HT2A receptors. In view of the importance of motor function to the etiology and treatment of depression, the significance of these observations to the clinical actions of SSRIs will be of interest to elucidate.
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MESH Headings
- Animals
- Citalopram/pharmacology
- Environment Design
- Fluvoxamine/pharmacology
- Injections, Subcutaneous
- Male
- Mice
- Motor Activity/drug effects
- Movement Disorders/prevention & control
- Receptor, Serotonin, 5-HT1B/drug effects
- Receptor, Serotonin, 5-HT1B/physiology
- Receptor, Serotonin, 5-HT2B/drug effects
- Receptor, Serotonin, 5-HT2B/physiology
- Receptors, Serotonin/classification
- Serotonin 5-HT1 Receptor Antagonists
- Serotonin 5-HT2 Receptor Antagonists
- Selective Serotonin Reuptake Inhibitors/pharmacology
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Affiliation(s)
- Mark J Millan
- Psychopharmacology Department, Institut de Recherches Servier, Centre de Recherches de Croissy, 125 Chemin de Ronde, 78290 Croissy/Seine, France.
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Kitanaka N, Kitanaka J, Takemura M. Behavioral sensitization and alteration in monoamine metabolism in mice after single versus repeated methamphetamine administration. Eur J Pharmacol 2003; 474:63-70. [PMID: 12909196 DOI: 10.1016/s0014-2999(03)02015-6] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
To address the functional alterations of monoaminergic neuronal systems in mice after single and repeated administration of methamphetamine, we examined the tissue contents of monoamines and their metabolites in addition to locomotor activity estimated by horizontal locomotion and rearing measurements. In male ICR mice, the repeated treatment regimen (intraperitoneal administration of 1.0 mg/kg methamphetamine once per day for five consecutive days) induced hyperlocomotion with a plateau level on test day 4. The initial behavioral response (within 5 min after injection) to the drug appeared to include context-dependent sensitization. Mice after the initial repeated treatment regimen showed behavioral sensitization to the same dose of methamphetamine 5 days after the final injection (test day 11). On test day 11, the first 150 min, but not the nocturnal behavior (during the dark hours), were significantly enhanced after the drug challenge. A marked reduction of the content of L-dihydroxyphenylalanine and the ratio of 3,4-dihydroxyphenylacetic acid to dopamine was observed in the striatum+accumbens of mice after single and repeated administration of methamphetamine. As for serotonin metabolism, the ratio of 5-hydroxyindolacetic acid to serotonin significantly increased in mice after single administration of methamphetamine, although it decreased in mice after repeated administration of methamphetamine. Norepinephrine metabolism (the ratio of 3-methoxy-4-hydroxyphenylglycol to norepinephrine) was not affected in the striatum+accumbens or thalamus+hypothalamus of the mice after repeated or single methamphetamine treatment. These results suggest that dopaminergic and serotonergic neuronal activities were altered during the development of behavioral sensitization. The ratio of 3-methoxytyramine to dopamine was not affected, suggesting that the methamphetamine treatment selectively inhibited the monoamine oxidase pathway for dopamine inactivation.
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Affiliation(s)
- Nobue Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan
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29
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Newman-Tancredi A, Cussac D, Quentric Y, Touzard M, Verrièle L, Carpentier N, Millan MJ. Differential actions of antiparkinson agents at multiple classes of monoaminergic receptor. III. Agonist and antagonist properties at serotonin, 5-HT(1) and 5-HT(2), receptor subtypes. J Pharmacol Exp Ther 2002; 303:815-22. [PMID: 12388668 DOI: 10.1124/jpet.102.039883] [Citation(s) in RCA: 148] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Although certain antiparkinson agents interact with serotonin (5-HT) receptors, little information is available concerning functional actions. Herein, we characterized efficacies of apomorphine, bromocriptine, cabergoline, lisuride, piribedil, pergolide, roxindole, and terguride at human (h)5-HT(1A), h5-HT(1B), and h5-HT(1D) receptors [guanosine 5'-O-(3-[(35)S]thio)triphosphate ([(35)S]GTPgammaS) binding], and at h5-HT(2A), h5-HT(2B), and h5-HT(2C) receptors (depletion of membrane-bound [(3)H]phosphatydilinositol). All drugs stimulated h5-HT(1A) receptors with efficacies (compared with 5-HT, 100%) ranging from modest (apomorphine, 35%) to high (cabergoline, 93%). At h5-HT(1B) receptors, efficacies varied from mild (terguride, 37%) to marked (cabergoline, 102%) and potencies were modest (pEC(50) values of 5.8-7.6): h5-HT(1D) sites were activated with a similar range of efficacies and greater potency (7.1-8.5). Piribedil and apomorphine were inactive at h5-HT(1B) and h5-HT(1D) receptors. At h5-HT(2A) receptors, terguride, lisuride, bromocriptine, cabergoline, and pergolide displayed potent (7.6-8.8) agonist properties (49-103%), whereas apomorphine and roxindole were antagonists and piribedil was inactive. Only pergolide (113%/8.2) and cabergoline (123%/8.6) displayed pronounced agonist properties at h5-HT(2B) receptors. At 5-HT(2C) receptors, lisuride, bromocriptine, pergolide, and cabergoline were efficacious (75-96%) agonists, apomorphine and terguride were antagonists, and piribedil was inactive. MDL100,907 and SB242,084, selective antagonists at 5-HT(2A) and 5-HT(2C) receptors, respectively, abolished these actions of pergolide, cabergoline, and bromocriptine. In conclusion, antiparkinson agents display markedly different patterns of agonist and antagonist properties at multiple 5-HT receptor subtypes. Although all show modest (agonist) activity at 5-HT(1A) sites, their contrasting actions at 5-HT(2A) and 5-HT(2C) sites may be of particular significance to their functional profiles in vivo.
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Affiliation(s)
- Adrian Newman-Tancredi
- Department of Psychopharmacology, Institut de Recherches Servier, Centre de Recherches de Croissy, 125 chemin de Ronde, 78290 Croissy/Seine, Paris, France
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