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Yang SC, Shieh KR. Higher exploratory and vigilant behaviors related to higher central dopaminergic activities of Formosan wood mice (Apodemus semotus) in light-dark exploration tests. Pharmacol Biochem Behav 2024; 241:173792. [PMID: 38806117 DOI: 10.1016/j.pbb.2024.173792] [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: 02/14/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 05/30/2024]
Abstract
Formosan wood mice (Apodemus semotus) are endemic rodents in Taiwan. Recently Formosan wood mice exhibit similar locomotor behaviors in the laboratory environment as in the field environment has shown. Contemporaneously, Formosan wood mice have higher moving distances of and central dopaminergic (DAergic) activities than C57BL/6 mice in behavioral test. This study tried to compare the behavioral responses between male Formosan wood mice and male C57BL/6 mice in the light-dark exploration tests. We also measured the levels of DA and 3,4-dihydroxyphenylacetic acid (DOPAC), the primary metabolite of DA, to assess the dopaminergic activity of the medial prefrontal cortex, striatum, and nucleus accumbens. Our data show that Formosan wood mice revealed higher exploration and central DAergic activities than did C57BL/6 mice in the light-dark exploration tests, and diazepam (an anxiolytics) treatment reduced the exploratory activity and central dopaminergic activities in Formosan wood mice, but not in C57BL/6 mice. After repeated exposure to light-dark exploration tests, the latency to dark zone was increased, and the duration in light zone as well as the central DAergic activity were decreased in C57BL/6 mice. This study provides comparative findings; Formosan wood mice showed the higher exploratory activities than C57BL/6 mice did, and their central DAergic activities were related to the behavioral responses in these two mice. This could potentially shed light on the reasons behind the prevalence of higher exploration and central dopaminergic activities. Using Formosan wood mice as a model to study human diseases related to hyperactivity adds significant value to the potential research.
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Affiliation(s)
- Shu-Chuan Yang
- Holistic Education Center, Tzu Chi University of Science and Technology, Hualien 970, Taiwan; Department of Physiology, Tzu Chi University, Hualien 970, Taiwan
| | - Kun-Ruey Shieh
- Department of Physiology, Tzu Chi University, Hualien 970, Taiwan; Institute of Biomedical Sciences, Tzu Chi University, Hualien 970, Taiwan.
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Schettino M, Tarmati V, Castellano P, Gigli V, Carnevali L, Cabib S, Ottaviani C, Orsini C. Effects of acute stress on reward processing: A comprehensive meta-analysis of rodent and human studies. Neurobiol Stress 2024; 31:100647. [PMID: 38962695 PMCID: PMC11219954 DOI: 10.1016/j.ynstr.2024.100647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/02/2024] [Accepted: 05/22/2024] [Indexed: 07/05/2024] Open
Abstract
Stressors can initiate a cascade of central and peripheral changes that modulate mesocorticolimbic dopaminergic circuits and, ultimately, behavioral response to rewards. Driven by the absence of conclusive evidence on this topic and the Research Domain Criteria framework, random-effects meta-analyses were adopted to quantify the effects of acute stressors on reward responsiveness, valuation, and learning in rodent and human subjects. In rodents, acute stress reduced reward responsiveness (g = -1.43) and valuation (g = -0.32), while amplifying reward learning (g = 1.17). In humans, acute stress had marginal effects on valuation (g = 0.25), without affecting responsiveness and learning. Moderation analyses suggest that acute stress neither has unitary effects on reward processing in rodents nor in humans and that the duration of the stressor and specificity of reward experience (i.e., food vs drugs) may produce qualitatively and quantitatively different behavioral endpoints. Subgroup analyses failed to reduce heterogeneity, which, together with the presence of publication bias, pose caution on the conclusions that can be drawn and point to the need of guidelines for the conduction of future studies in the field.
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Affiliation(s)
- Martino Schettino
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Valeria Tarmati
- Department of Psychology, Sapienza University of Rome, Rome, Italy
| | - Paola Castellano
- Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy
| | - Valeria Gigli
- Department of Psychology, Sapienza University of Rome, Rome, Italy
| | - Luca Carnevali
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
| | - Simona Cabib
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Santa Lucia Foundation, Rome, Italy
| | - Cristina Ottaviani
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Santa Lucia Foundation, Rome, Italy
| | - Cristina Orsini
- Department of Psychology, Sapienza University of Rome, Rome, Italy
- IRCCS Santa Lucia Foundation, Rome, Italy
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van Ingelgom T, Didone V, Godefroid L, Quertemont É. Effects of social housing conditions on ethanol-induced behavioral sensitization in Swiss mice. Psychopharmacology (Berl) 2024; 241:987-1000. [PMID: 38206359 DOI: 10.1007/s00213-024-06527-7] [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: 04/06/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
RATIONALE In previous animal model studies, it was shown that drug sensitization is dependent upon physical environmental conditions. However, the effects of social housing conditions on drug sensitization is much less known. OBJECTIVE The aim of the present study was to investigate the effects of social conditions, through the size of housing groups, on ethanol stimulant effects and ethanol-induced behavioral sensitization in mice. MATERIALS AND METHODS Male and female Swiss mice were housed in groups of different sizes (isolated mice, two mice per cage, four mice per cage and eight mice per cage) during a six-week period. A standard paradigm of ethanol-induced locomotor sensitization was then started with one daily injection of 2.5 g/kg ethanol for 8 consecutive days. RESULTS The results show that social housing conditions affect the acute stimulant effects of ethanol. The highest stimulant effects were observed in socially isolated mice and then gradually decreased as the size of the group increased. Although the rate of ethanol sensitization did not differ between groups, the ultimate sensitized levels of ethanol-induced stimulant effects were significantly reduced in mice housed in groups of eight. CONCLUSIONS These results are consistent with the idea that higher levels of acute and sensitized ethanol stimulant effects are observed in mice housed in stressful housing conditions, such as social isolation.
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Affiliation(s)
- Théo van Ingelgom
- Psychologie et Neuroscience Cognitive (PsyNCog), Psychologie Quantitative, Université de Liège, Place des Orateurs 2 (B32), Liège, B-4000, Belgium
| | - Vincent Didone
- Psychologie et Neuroscience Cognitive (PsyNCog), Psychologie Quantitative, Université de Liège, Place des Orateurs 2 (B32), Liège, B-4000, Belgium
| | - Leeloo Godefroid
- Psychologie et Neuroscience Cognitive (PsyNCog), Psychologie Quantitative, Université de Liège, Place des Orateurs 2 (B32), Liège, B-4000, Belgium
| | - Étienne Quertemont
- Psychologie et Neuroscience Cognitive (PsyNCog), Psychologie Quantitative, Université de Liège, Place des Orateurs 2 (B32), Liège, B-4000, Belgium.
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4
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Peart DR, Nolan CJ, Stone AP, Williams MA, Karlovcec JM, Murray JE. Disruption of positive- and negative-feature morphine interoceptive occasion setters by dopamine receptor agonism and antagonism in male and female rats. Psychopharmacology (Berl) 2024:10.1007/s00213-024-06584-y. [PMID: 38580732 DOI: 10.1007/s00213-024-06584-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 03/29/2024] [Indexed: 04/07/2024]
Abstract
RATIONALE Internally perceived stimuli evoked by morphine administration can form Pavlovian associations such that they can function as occasion setters (OSs) for externally perceived reward cues in rats, coming to modulate reward-seeking behaviour. Though much research has investigated mechanisms underlying opioid-related reinforcement and analgesia, neurotransmitter systems involved in the functioning of opioids as Pavlovian interoceptive discriminative stimuli remain to be disentangled despite documented differences in the development of tolerance to analgesic versus discriminative stimulus effects. OBJECTIVES Dopamine has been implicated in many opioid-related behaviours, so we aimed to investigate the role of this neurotransmitter in expression of morphine occasion setting. METHODS Male and female rats were assigned to positive- (FP) or negative-feature (FN) groups and received an injection of morphine or saline before each training session. A 15-s white noise conditioned stimulus (CS) was presented 8 times during every training session; offset of this stimulus was followed by 4-s access to liquid sucrose on morphine, but not saline, sessions for FP rats. FN rats learned the reverse contingency. Following stable discrimination, rats began generalization testing for expression of morphine-guided sucrose seeking after systemic pretreatment with different doses of the non-selective dopamine receptor antagonist, flupenthixol, and the non-selective dopamine receptor agonist, apomorphine, combined with training doses of morphine or saline in a Latin-square design. RESULTS The morphine discrimination was acquired under both FP and FN contingencies by males and females. Neither flupenthixol nor apomorphine at any dose substituted for morphine, but both apomorphine and flupenthixol disrupted expression of the morphine OS. This inhibition was specific to sucrose seeking during CS presentations rather than during the period before CS onset and, in the case of apomorphine more so than flupenthixol, to trials on which access to sucrose was anticipated. CONCLUSIONS Our findings lend support to a mechanism of occasion setting involving gating of CS-induced dopamine release rather than by direct dopaminergic modulation by the morphine stimulus.
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Affiliation(s)
- Davin R Peart
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Caitlin J Nolan
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Department of Biomedical Sciences, University of Guelph, Guelph, ON, Canada
| | - Adiia P Stone
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Mckenna A Williams
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, ON, Canada
| | - Jessica M Karlovcec
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada
| | - Jennifer E Murray
- Department of Psychology, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada.
- Collaborative Neurosciences Graduate Program, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada.
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Wong W, Sari Y. Effects of Hydrocodone Overdose and Ceftriaxone on Astrocytic Glutamate Transporters and Glutamate Receptors, and Associated Signaling in Nucleus Accumbens as well as Locomotor Activity in C57/BL Mice. Brain Sci 2024; 14:361. [PMID: 38672013 PMCID: PMC11048659 DOI: 10.3390/brainsci14040361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/28/2024] Open
Abstract
Chronic opioid treatments dysregulate the glutamatergic system, inducing a hyperglutamatergic state in mesocorticolimbic brain regions. This study investigated the effects of exposure to hydrocodone overdose on locomotor activity, expression of target proteins related to the glutamatergic system, signaling kinases, and neuroinflammatory factors in the nucleus accumbens. The locomotor activity of mice was measured using the Comprehensive Laboratory Animal Monitoring System (CLAMS). CLAMS data showed that exposure to hydrocodone overdose increased locomotion activity in mice. This study tested ceftriaxone, known to upregulate major glutamate transporter 1 (GLT-1), in mice exposed to an overdose of hydrocodone. Thus, ceftriaxone normalized hydrocodone-induced hyperlocomotion activity in mice. Furthermore, exposure to hydrocodone overdose downregulated GLT-1, cystine/glutamate antiporter (xCT), and extracellular signal-regulated kinase activity (p-ERK/ERK) expression in the nucleus accumbens. However, exposure to an overdose of hydrocodone increased metabotropic glutamate receptor 5 (mGluR5), neuronal nitric oxide synthase activity (p-nNOS/nNOS), and receptor for advanced glycation end products (RAGE) expression in the nucleus accumbens. Importantly, ceftriaxone treatment attenuated hydrocodone-induced upregulation of mGluR5, p-nNOS/nNOS, and RAGE, as well as hydrocodone-induced downregulation of GLT-1, xCT, and p-ERK/ERK expression. These data demonstrated that exposure to hydrocodone overdose can cause dysregulation of the glutamatergic system, neuroinflammation, hyperlocomotion activity, and the potential therapeutic role of ceftriaxone in attenuating these effects.
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Affiliation(s)
| | - Youssef Sari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, The University of Toledo, Toledo, OH 43614, USA;
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Frankowska M, Smaga I, Gawlińska K, Pieniążek R, Filip M. Further proof on the role of accumbal nNOS in cocaine-seeking behavior in rats. Pharmacol Rep 2024; 76:338-347. [PMID: 38480667 DOI: 10.1007/s43440-024-00571-y] [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] [Received: 11/27/2023] [Revised: 01/29/2024] [Accepted: 02/02/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND Cocaine use disorder (CUD) remains a severe health problem with no effective pharmacological therapy. One of the potential pharmacological strategies for CUD pharmacotherapy includes manipulations of the brain glutamatergic (Glu) system which is particularly involved in drug withdrawal and relapse. Previous research indicated a pivotal role of ionotropic N-methyl-D-aspartate (NMDA) receptors or metabotropic receptors' type 5 (mGlu5) receptors in controlling the reinstatement of cocaine. Stimulation of the above molecules results in the activation of the downstream signaling targets such as neuronal nitric oxide synthase (nNOS) and the release of nitric oxide. METHODS In this paper, we investigated the molecular changes in nNOS in the prefrontal cortex and nucleus accumbens following 3 and 10 days of cocaine abstinence as well as the effectiveness of nNOS blockade with the selective enzyme inhibitor N-ω-propyl-L-arginine hydrochloride (L-NPA) on cocaine seeking in male rats. The effect of L-NPA on locomotor activity in drug-naïve animals was investigated. RESULTS Ten-day (but not 3-day) cocaine abstinence from cocaine self-administration increased nNOS gene and protein expression in the nucleus accumbens, but not in the prefrontal cortex. L-NPA (0.5-5 mg/kg) administered peripherally did not change locomotor activity but attenuated the reinstatement induced with cocaine priming or the drug-associated conditioned cue. CONCLUSIONS Our findings support accumbal nNOS as an important molecular player for cocaine seeking while its inhibitors could be considered as anti-cocaine pharmacological tools in male rats.
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Affiliation(s)
- Małgorzata Frankowska
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
| | - Irena Smaga
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Kinga Gawlińska
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Renata Pieniążek
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland
| | - Małgorzata Filip
- Department of Drug Addiction Pharmacology, Maj Institute of Pharmacology Polish Academy of Sciences, Smętna 12, 31-343, Kraków, Poland.
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Hynes TJ, Chernoff CS, Hrelja KM, Tse MTL, Avramidis DK, Lysenko-Martin MR, Calderhead L, Kaur S, Floresco SB, Winstanley CA. Win-Paired Cues Modulate the Effect of Dopamine Neuron Sensitization on Decision Making and Cocaine Self-administration: Divergent Effects Across Sex. Biol Psychiatry 2024; 95:220-230. [PMID: 37673411 DOI: 10.1016/j.biopsych.2023.08.021] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/10/2023] [Accepted: 08/22/2023] [Indexed: 09/08/2023]
Abstract
BACKGROUND Both psychostimulant use and engagement with probabilistic schedules of reward sensitize the mesocorticolimbic dopamine (DA) system. Such behaviors may act synergistically to explain the high comorbidity between stimulant use and gambling disorder. The salient audiovisual stimuli of modern electronic gambling may exacerbate the situation. METHODS To probe these interactions, we sensitized ventral tegmental area DA neurons via chronic chemogenetic stimulation while rats (n = 134) learned a rat gambling task in the presence or absence of casino-like cues. The same rats then learned to self-administer cocaine. In a separate cohort (n = 25), we confirmed that our chemogenetic methods sensitized the locomotor response to cocaine and potentiated phasic excitability of ventral tegmental area DA neurons through in vivo electrophysiological recordings. RESULTS In the absence of cues, sensitization promoted risk taking in both sexes. When rewards were cued, sensitization expedited the development of a risk-preferring phenotype in males while attenuating cue-induced risk taking in females. CONCLUSIONS While these results provide further confirmation that ventral tegmental area DA neurons critically modulate risky decision making, they also reveal stark sex differences in the decisional impact that dopaminergic signals exert when winning outcomes are cued. As previously observed, risky decision making on the cued rat gambling task increased as both males and females learned to self-administer cocaine. The combination of DA sensitization and win-paired cues while gambling led to significantly greater cocaine taking, but these rats did not show any increase in risky choice as a result. Therefore, cocaine and heavily cued gambles may partially substitute for each other once the DA system has been rendered labile through sensitization, thereby compounding addiction risk across modalities.
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Affiliation(s)
- Tristan J Hynes
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Chloe S Chernoff
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Kelly M Hrelja
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Maric T L Tse
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Dimitrios K Avramidis
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Melanie R Lysenko-Martin
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Lucas Calderhead
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sukhbir Kaur
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Stan B Floresco
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Catharine A Winstanley
- Department of Psychology, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
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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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Lamoureux L, Beverley JA, Marinelli M, Steiner H. Fluoxetine potentiates methylphenidate-induced behavioral responses: Enhanced locomotion or stereotypies and facilitated acquisition of cocaine self-administration. ADDICTION NEUROSCIENCE 2023; 9:100131. [PMID: 38222942 PMCID: PMC10785378 DOI: 10.1016/j.addicn.2023.100131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
The medical psychostimulant methylphenidate (MP) is used to treat attention-deficit hyperactivity disorder and recreationally as a "cognitive enhancer". MP is a dopamine reuptake inhibitor, but does not affect serotonin. Serotonin contributes to addiction-related gene regulation and behavior. Previously, we showed that enhancing serotonin action by adding a selective serotonin reuptake inhibitor, fluoxetine (FLX), to MP potentiates MP-induced gene regulation in striatum and nucleus accumbens, mimicking cocaine effects. Here, we investigated the behavioral consequences of MP+FLX treatment. Young adult male rats received MP (5 mg/kg, i.p.) or MP+FLX (5 mg/kg each) daily for 6-8 days. Behavioral effects were assessed in an open-field test during the repeated treatment. Two weeks later the motor response to a cocaine challenge (25 mg/kg) and the rate of acquisition of cocaine self-administration behavior were determined. Our results demonstrate that FLX potentiates effects of MP on open-field behavior. However, we found differential behavioral responses to MP+FLX treatment, as approximately half of the rats developed high rates of focal stereotypies (termed "MP+FLX/high reactivity" group), whereas the other half did not, and only showed increased locomotion ("MP+FLX/low reactivity" group). Two weeks later, cocaine-induced locomotion and stereotypies were positively correlated with MP+FLX-induced behavior seen at the end of the repeated MP+FLX treatment. Moreover, the MP+FLX/high reactivity group, but not the low reactivity group, showed facilitated acquisition of cocaine self-administration. These results demonstrate that repeated MP+FLX treatment can facilitate subsequent cocaine taking behavior in a subpopulation of rats. These findings suggest that MP+FLX exposure in some individuals may increase the risk for psychostimulant use later in life.
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Affiliation(s)
- Lorissa Lamoureux
- Discipline of Cellular and Molecular Pharmacology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Present address: Biologic Resources Laboratory, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Joel A. Beverley
- Discipline of Cellular and Molecular Pharmacology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
| | - Michela Marinelli
- Discipline of Cellular and Molecular Pharmacology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Present address: Department of Neuroscience, The University of Texas at Austin, Austin, TX 78712, USA
| | - Heinz Steiner
- Discipline of Cellular and Molecular Pharmacology, The Chicago Medical School, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
- Stanson Toshok Center for Brain Function and Repair, Rosalind Franklin University of Medicine and Science, North Chicago, IL 60064, USA
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Alam N, Choudhary K. Neurochemical Effects of Methylphenidate and Modafinil in Ameliorating Stress-Induced Cognitive Deficits. ACS Pharmacol Transl Sci 2023; 6:1357-1372. [PMID: 37854618 PMCID: PMC10580386 DOI: 10.1021/acsptsci.3c00077] [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: 04/07/2023] [Indexed: 10/20/2023]
Abstract
PURPOSE Chronic stressful situations result in altered monoaminergic activity of neurotransmitters, resulting in various conditions characterized by deficits in learning, memory and attention. Stimulant effects can be visualized in terms of increased cognitive abilities through enhancement of dopamine (DA) release. METHOD This study examined cognitive responses and brain DA and 5-hydroxytryptamine (5HT) levels after prolonged methylphenidate (MPH) and modafinil administration, to demonstrate their effect on stress-induced cognitive deficits in rats. Effects on cognition were evaluated by passive avoidance and water maze tests. Furthermore brain levels of DA, homovanillic acid (HVA), dihydroxyphenylacetic acid (DOPAC), 5HT and 5-hydroxyindoleacetic acid (5HIAA) were analyzed by high-performance liquid chromatography coupled with electrochemical detection. RESULTS We found that both MPH and modafinil improved cognition in both restrained and unrestrained rats, as examined through water maze and passive avoidance tests. Furthermore, these substance were associated with increased brain DA and 5-HT levels. Notabily, we observed decrease in DOPAC and HVA levels, while 5-HIAA levels exhibited a slight increase. CONCLUSIONS The prevention of stress-induced cognitive deficits by MPH and modafinil could be elucidated through the interaction between 5HT and DA in regulating cognitive function.
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Affiliation(s)
- Nausheen Alam
- Federal Urdu University of Arts, Science
and Technology, Karachi 75300, Pakistan
| | - Kulsoom Choudhary
- Federal Urdu University of Arts, Science
and Technology, Karachi 75300, Pakistan
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Cummins-Beebee PN, Chvilicek MM, Rothenfluh A. The Stage-Based Model of Addiction-Using Drosophila to Investigate Alcohol and Psychostimulant Responses. Int J Mol Sci 2023; 24:10909. [PMID: 37446084 PMCID: PMC10341944 DOI: 10.3390/ijms241310909] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/15/2023] Open
Abstract
Addiction is a progressive and complex disease that encompasses a wide range of disorders and symptoms, including substance use disorder (SUD), for which there are few therapeutic treatments. SUD is the uncontrolled and chronic use of substances despite the negative consequences resulting from this use. The progressive nature of addiction is organized into a testable framework, the neurobiological stage-based model, that includes three behavioral stages: (1) binge/intoxication, (2) withdrawal/negative affect, and (3) preoccupation/anticipation. Human studies offer limited opportunities for mechanistic insights into these; therefore, model organisms, like Drosophila melanogaster, are necessary for understanding SUD. Drosophila is a powerful model organism that displays a variety of SUD-like behaviors consistent with human and mammalian substance use, making flies a great candidate to study mechanisms of behavior. Additionally, there are an abundance of genetic tools like the GAL4/UAS and CRISPR/Cas9 systems that can be used to gain insight into the molecular mechanisms underlying the endophenotypes of the three-stage model. This review uses the three-stage framework and discusses how easily testable endophenotypes have been examined with experiments using Drosophila, and it outlines their potential for investigating other endophenotypes.
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Affiliation(s)
- Pearl N. Cummins-Beebee
- Department of Psychiatry, University of Utah, Salt Lake City, UT 84112, USA
- Molecular Medicine Program, University of Utah, Salt Lake City, UT 84112, USA
- Neuroscience Graduate Program, University of Utah, Salt Lake City, UT 84112, USA
| | - Maggie M. Chvilicek
- Department of Psychiatry, University of Utah, Salt Lake City, UT 84112, USA
- Molecular Medicine Program, University of Utah, Salt Lake City, UT 84112, USA
- Neuroscience Graduate Program, University of Utah, Salt Lake City, UT 84112, USA
| | - Adrian Rothenfluh
- Department of Psychiatry, University of Utah, Salt Lake City, UT 84112, USA
- Molecular Medicine Program, University of Utah, Salt Lake City, UT 84112, USA
- Neuroscience Graduate Program, University of Utah, Salt Lake City, UT 84112, USA
- Department of Neurobiology, University of Utah, Salt Lake City, UT 84112, USA
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
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12
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Szulc M, Kujawski R, Pacholak A, Poprawska M, Czora-Poczwardowska K, Geppert B, Mikołajczak PŁ. Cannabidiol as a Modulator of the Development of Alcohol Tolerance in Rats. Nutrients 2023; 15:nu15071702. [PMID: 37049542 PMCID: PMC10097131 DOI: 10.3390/nu15071702] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 03/27/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023] Open
Abstract
The study aimed to explore in vivo the influence of cannabidiol (CBD) on the development of alcohol tolerance in rats. Rats were treated with ethanol (3.0 g/kg, i.p.) and CBD (20 mg/kg, p.o.) for nine successive days, and rectal body temperature, sedation (sleeping time), and blood alcohol concentration (BAC) were measured. In the prefrontal cortex, hippocampus, and striatum, the cannabinoid (CB1R and CB2R) and dopaminergic (DRD1, DRD2, DRD4, DRD5) receptors’ mRNA level changes were analyzed using the quantitative RT-PCR method. CBD inhibited the development of tolerance to the hypothermic and sedative action of alcohol, coupled with BAC elevation. On a molecular level, the most pronounced effects of the CBD + ethanol interaction in the striatum were observed, where CBD reversed the downregulation of CB2R gene transcription caused by ethanol. For CB1R, DRD1, and DRD2 mRNAs, the CBD + ethanol interaction produced opposite effects than for CB2R ones. In turn, for the transcription of genes encoding dopaminergic receptors, the most potent effect of alcohol as CBD occurred in the hippocampus. However, the combined CBD and alcohol administration showed the same effect for each substance administered separately. Since tolerance is considered a prelude to drug addiction, obtained results allow us to emphasize the thesis that CBD can inhibit the development of alcohol dependence in rats.
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Affiliation(s)
- Michał Szulc
- Department of Pharmacology, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Radosław Kujawski
- Department of Pharmacology, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | - Amanda Pacholak
- Institute of Chemical Technology and Engineering, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland
| | - Marta Poprawska
- Department of Pharmacology, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
| | | | - Bogna Geppert
- Department of Forensic Medicine, Collegium Medicum, University of Zielona Góra, Zyty 28, 65-046 Zielona Góra, Poland
| | - Przemysław Ł. Mikołajczak
- Department of Pharmacology, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland
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13
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Bossert JM, Mejias-Aponte CA, Saunders T, Altidor L, Emery M, Fredriksson I, Batista A, Claypool SM, Caldwell KE, Reiner DJ, Chow JJ, Foltz M, Kumar V, Seasholtz A, Hughes E, Filipiak W, Harvey BK, Richie CT, Vautier F, Gomez JL, Michaelides M, Kieffer BL, Watson SJ, Akil H, Shaham Y. Effect of Selective Lesions of Nucleus Accumbens µ-Opioid Receptor-Expressing Cells on Heroin Self-Administration in Male and Female Rats: A Study with Novel Oprm1-Cre Knock-in Rats. J Neurosci 2023; 43:1692-1713. [PMID: 36717230 PMCID: PMC10010456 DOI: 10.1523/jneurosci.2049-22.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/29/2022] [Accepted: 01/18/2023] [Indexed: 02/01/2023] Open
Abstract
The brain µ-opioid receptor (MOR) is critical for the analgesic, rewarding, and addictive effects of opioid drugs. However, in rat models of opioid-related behaviors, the circuit mechanisms of MOR-expressing cells are less known because of a lack of genetic tools to selectively manipulate them. We introduce a CRISPR-based Oprm1-Cre knock-in transgenic rat that provides cell type-specific genetic access to MOR-expressing cells. After performing anatomic and behavioral validation experiments, we used the Oprm1-Cre knock-in rats to study the involvement of NAc MOR-expressing cells in heroin self-administration in male and female rats. Using RNAscope, autoradiography, and FISH chain reaction (HCR-FISH), we found no differences in Oprm1 expression in NAc, dorsal striatum, and dorsal hippocampus, or MOR receptor density (except dorsal striatum) or function between Oprm1-Cre knock-in rats and wildtype littermates. HCR-FISH assay showed that iCre is highly coexpressed with Oprm1 (95%-98%). There were no genotype differences in pain responses, morphine analgesia and tolerance, heroin self-administration, and relapse-related behaviors. We used the Cre-dependent vector AAV1-EF1a-Flex-taCasp3-TEVP to lesion NAc MOR-expressing cells. We found that the lesions decreased acquisition of heroin self-administration in male Oprm1-Cre rats and had a stronger inhibitory effect on the effort to self-administer heroin in female Oprm1-Cre rats. The validation of an Oprm1-Cre knock-in rat enables new strategies for understanding the role of MOR-expressing cells in rat models of opioid addiction, pain-related behaviors, and other opioid-mediated functions. Our initial mechanistic study indicates that lesioning NAc MOR-expressing cells had different effects on heroin self-administration in male and female rats.SIGNIFICANCE STATEMENT The brain µ-opioid receptor (MOR) is critical for the analgesic, rewarding, and addictive effects of opioid drugs. However, in rat models of opioid-related behaviors, the circuit mechanisms of MOR-expressing cells are less known because of a lack of genetic tools to selectively manipulate them. We introduce a CRISPR-based Oprm1-Cre knock-in transgenic rat that provides cell type-specific genetic access to brain MOR-expressing cells. After performing anatomical and behavioral validation experiments, we used the Oprm1-Cre knock-in rats to show that lesioning NAc MOR-expressing cells had different effects on heroin self-administration in males and females. The new Oprm1-Cre rats can be used to study the role of brain MOR-expressing cells in animal models of opioid addiction, pain-related behaviors, and other opioid-mediated functions.
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Affiliation(s)
- Jennifer M Bossert
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Carlos A Mejias-Aponte
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | | | - Lindsay Altidor
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | | | - Ida Fredriksson
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Ashley Batista
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Sarah M Claypool
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Kiera E Caldwell
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - David J Reiner
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Jonathan J Chow
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | | | - Vivek Kumar
- University of Michigan, Ann Arbor, Michigan, 48104
| | | | | | | | - Brandon K Harvey
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Christopher T Richie
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Francois Vautier
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Juan L Gomez
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Michael Michaelides
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
| | - Brigitte L Kieffer
- University of Strasbourg-Institut National de la Santé et de la Recherche Médicale U1114, Strasbourg, France, 67084
| | | | - Huda Akil
- University of Michigan, Ann Arbor, Michigan, 48104
| | - Yavin Shaham
- Intramural Research Program, National Institute on Drug Abuse-National Institutes of Health, Baltimore, Maryland, 21224
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14
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Yuan A, Kharas N, King N, Yang P, Dafny N. Methylphenidate cross-sensitization with amphetamine is dose dependent but not age dependent. Behav Brain Res 2023; 438:114178. [PMID: 36341913 DOI: 10.1016/j.bbr.2022.114178] [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: 08/17/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 12/29/2022]
Abstract
Psychostimulants such as methylphenidate (MPD) and amphetamine (AMP) are often prescribed to young children and adolescents to treat behavioral disorders, or used to improve their intellectual performance in our competitive society. This is concerning as the temporal effects of how MPD exposure at a young age influences the response to MPD and AMP administration later in adulthood remains unclear. The objective of this study was to test whether MPD has the characteristics of substances that elicit behavioral symptoms of dependence and whether those effects are influenced by the initial age of MPD exposure. Three control and nine experimental groups of male rats were used. They were exposed to repetitive (chronic) 0.6, 2.5, or 10.0 mg/kg MPD in adolescence only, adulthood only, or adolescence and adulthood respectively. Then all groups were subsequently re-challenged with a single AMP dose in adulthood to test whether cross-sensitization between MPD and AMP was expressed, potentially as a result of prior MPD consumption. Exposure to 2.5 mg/kg and 10.0 mg/kg MPD in adolescence and adulthood or in adulthood alone led to cross-sensitization with AMP while exposure to 0.6 mg/kg MPD in adolescence and adulthood or in adulthood alone did not lead to cross-sensitization with AMP. Thus, these results indicate that MPD cross-sensitization with AMP is dose dependent.
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Affiliation(s)
- Anthony Yuan
- Department of Neurobiology and Anatomy, University of Texas Health at the McGovern Medical School, 6431 Fannin Street, Houston TX 77030, United States
| | - Natasha Kharas
- Department of Neurobiology and Anatomy, University of Texas Health at the McGovern Medical School, 6431 Fannin Street, Houston TX 77030, United States
| | - Nicholas King
- Department of Neurobiology and Anatomy, University of Texas Health at the McGovern Medical School, 6431 Fannin Street, Houston TX 77030, United States
| | - Pamela Yang
- Department of Neurobiology and Anatomy, University of Texas Health at the McGovern Medical School, 6431 Fannin Street, Houston TX 77030, United States
| | - Nachum Dafny
- Department of Neurobiology and Anatomy, University of Texas Health at the McGovern Medical School, 6431 Fannin Street, Houston TX 77030, United States.
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Grabowska K, Ziemichód W, Biała G. Recent Studies on the Development of Nicotine Abuse and Behavioral Changes Induced by Chronic Stress Depending on Gender. Brain Sci 2023; 13:brainsci13010121. [PMID: 36672102 PMCID: PMC9857036 DOI: 10.3390/brainsci13010121] [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: 11/23/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/12/2023] Open
Abstract
Nowadays, stressful situations are an unavoidable element of everyday life. Stressors activate a number of complex mental and physiological reactions in the organism, thus affecting the state of health of an individual. Stress is the main risk factor in the development of mental disorders, such as depression and other disorders developing as a result of addiction. Studies indicate that women are twice as likely as men to develop anxiety, depression and therefore addiction, e.g., to nicotine. Even though the data presented is indicative of significant differences between the sexes in the prevalence of these disorders, the majority of preclinical animal models for investigating stress-induced disorders use predominantly male subjects. However, the recent data indicates that this type of studies has also been launched in female rodents. Therefore, conducting research on both sexes allows for a more accurate understanding and assessment of the impact of stress on stress-induced behavioral, peripheral and molecular changes in the body and brain. In this manuscript we have gathered the data from 41 years (from 1981-2022) on the influence of stress on the development of depression and nicotine addiction in both sexes.
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16
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Shahidani S, Jokar Z, Alaei H, Reisi P. Effects of treadmill exercise and chronic stress on anxiety-like behavior, neuronal activity, and oxidative stress in basolateral amygdala in morphine-treated rats. Synapse 2023; 77:e22256. [PMID: 36200789 DOI: 10.1002/syn.22256] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 01/29/2023]
Abstract
The basolateral amygdala (BLA), which is sensitive to stress, is necessary for reward-seeking behavior and addiction. Regular exercise can produce various positive effects by affecting the BLA. Therefore, we aimed to investigate the effects of chronic stress and treadmill running (TR) on anxiety-like behavior, neuronal activity, lipid peroxidation (measured by malondialdehyde (MDA) levels, a marker for oxidative stress), and total thiol in BLA, in morphine-treated rats. Male Wistar rats were restricted in restraint stress and/or ran on the treadmill and treated with morphine (5 mg/kg) for 21 days. Anxiety-like behavior was evaluated using an elevated plus maze (EPM) and open field tests (OFTs), on day 22. On day 23, neuronal activity in BLA was assessed via single-unit recording. Finally, MDA and total thiol were assessed in BLA. Our results showed that chronic administration of morphine (5 mg/kg) did not affect anxiety-like behavior. However, the morphine-treated rats, subjected to chronic stress and exercise, showed fewer anxiety-like behaviors. Morphine increased BLA's MDA levels but it was prevented by TR. Glutamatergic and GABAergic basal neuronal activities were low in morphine-treated rats but after acute morphine application, there was a significant decrease in GABAergic neuronal activities in the morphine-exercise-stress (Mor-Exe-St) group. The results of this study showed that in morphine-treated rats, stress and exercise or their combination could have either co-directional or opposite effects to the chronic effects of morphine. These results indicate the existence of common pathways similar to endogenous opioids.
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Affiliation(s)
- Somayeh Shahidani
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Jokar
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hojjatallah Alaei
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Parham Reisi
- Department of Physiology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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17
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Schoenrock SA, Gagnon L, Olson A, Leonardo M, Philip VM, He H, Reinholdt LG, Sukoff Rizzo SJ, Jentsch JD, Chesler EJ, Tarantino LM. The collaborative cross strains and their founders vary widely in cocaine-induced behavioral sensitization. Front Behav Neurosci 2022; 16:886524. [PMID: 36275853 PMCID: PMC9580558 DOI: 10.3389/fnbeh.2022.886524] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 08/01/2022] [Indexed: 07/25/2023] Open
Abstract
Cocaine use and overdose deaths attributed to cocaine have increased significantly in the United States in the last 10 years. Despite the prevalence of cocaine use disorder (CUD) and the personal and societal problems it presents, there are currently no approved pharmaceutical treatments. The absence of treatment options is due, in part, to our lack of knowledge about the etiology of CUDs. There is ample evidence that genetics plays a role in increasing CUD risk but thus far, very few risk genes have been identified in human studies. Genetic studies in mice have been extremely useful for identifying genetic loci and genes, but have been limited to very few genetic backgrounds, leaving substantial phenotypic, and genetic diversity unexplored. Herein we report the measurement of cocaine-induced behavioral sensitization using a 19-day protocol that captures baseline locomotor activity, initial locomotor response to an acute exposure to cocaine and locomotor sensitization across 5 exposures to the drug. These behaviors were measured in 51 genetically diverse Collaborative Cross (CC) strains along with their inbred founder strains. The CC was generated by crossing eight genetically diverse inbred strains such that each inbred CC strain has genetic contributions from each of the founder strains. Inbred CC mice are infinitely reproducible and provide a stable, yet diverse genetic platform on which to study the genetic architecture and genetic correlations among phenotypes. We have identified significant differences in cocaine locomotor sensitivity and behavioral sensitization across the panel of CC strains and their founders. We have established relationships among cocaine sensitization behaviors and identified extreme responding strains that can be used in future studies aimed at understanding the genetic, biological, and pharmacological mechanisms that drive addiction-related behaviors. Finally, we have determined that these behaviors exhibit relatively robust heritability making them amenable to future genetic mapping studies to identify addiction risk genes and genetic pathways that can be studied as potential targets for the development of novel therapeutics.
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Affiliation(s)
- Sarah A. Schoenrock
- Department of Genetics, School of Medicine, Chapel Hill, NC, United States
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
| | - Leona Gagnon
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Ashley Olson
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Michael Leonardo
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Vivek M. Philip
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Hao He
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Laura G. Reinholdt
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Stacey J. Sukoff Rizzo
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
- Department of Medicine, University of Pittsburgh, Pittsburgh, PA, United States
| | - James D. Jentsch
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- Department of Psychology, Binghamton University, Binghamton, NY, United States
| | - Elissa J. Chesler
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- The Jackson Laboratory, Bar Harbor, ME, United States
| | - Lisa M. Tarantino
- Department of Genetics, School of Medicine, Chapel Hill, NC, United States
- Center for Systems Neurogenetics of Addiction, Bar Harbor, ME, United States
- Division of Pharmacotherapy and Experimental Therapeutics, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
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18
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Behavioral, Neural, and Molecular Mechanisms of Conditioned Mate Preference: The Role of Opioids and First Experiences of Sexual Reward. Int J Mol Sci 2022; 23:ijms23168928. [PMID: 36012194 PMCID: PMC9409009 DOI: 10.3390/ijms23168928] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 12/20/2022] Open
Abstract
Although mechanisms of mate preference are thought to be relatively hard-wired, experience with appetitive and consummatory sexual reward has been shown to condition preferences for partner related cues and even objects that predict sexual reward. Here, we reviewed evidence from laboratory species and humans on sexually conditioned place, partner, and ejaculatory preferences in males and females, as well as the neurochemical, molecular, and epigenetic mechanisms putatively responsible. From a comprehensive review of the available data, we concluded that opioid transmission at μ opioid receptors forms the basis of sexual pleasure and reward, which then sensitizes dopamine, oxytocin, and vasopressin systems responsible for attention, arousal, and bonding, leading to cortical activation that creates awareness of attraction and desire. First experiences with sexual reward states follow a pattern of sexual imprinting, during which partner- and/or object-related cues become crystallized by conditioning into idiosyncratic “types” that are found sexually attractive and arousing. These mechanisms tie reward and reproduction together, blending proximate and ultimate causality in the maintenance of variability within a species.
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19
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Schonfeld L, Jaehne EJ, Ogden AR, Spiers JG, Hogarth S, van den Buuse M. Differential effects of chronic adolescent glucocorticoid or methamphetamine on drug-induced locomotor hyperactivity and disruption of prepulse inhibition in adulthood in mice. Prog Neuropsychopharmacol Biol Psychiatry 2022; 117:110552. [PMID: 35337859 DOI: 10.1016/j.pnpbp.2022.110552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 03/17/2022] [Accepted: 03/17/2022] [Indexed: 11/29/2022]
Abstract
Sensitization of dopaminergic activity has been suggested as an underlying mechanism in the psychotic symptoms of schizophrenia. Adolescent stress and chronic abuse of methamphetamine (Meth) are well-known risk factors for psychosis and schizophrenia; however it remains unknown how these factors compare in terms of dopaminergic behavioural sensitization in adulthood. In addition, while Brain-Derived Neurotrophic Factor (BDNF) has been implicated in dopaminergic activity and schizophrenia, its role in behavioural sensitization remains unclear. In this study we therefore compared the effect of chronic adolescent treatment with the stress hormone, corticosterone (Cort), or with Meth, on drug-induced locomotor hyperactivity and disruption of prepulse inhibition in adulthood in BDNF heterozygous mice and their wild-type controls, as well as on dopamine receptor gene expression. Between 6 and 9 weeks of age, the animals either received Cort in the drinking water or were treated with an escalating Meth dose protocol. In adulthood, Cort-pretreated mice showed significantly reduced Meth-induced locomotor hyperactivity compared to vehicle-pretreated mice. In contrast, Meth hyperlocomotion was significantly enhanced in animals pretreated with the drug in adolescence. There were no effects of either pretreatment on prepulse inhibition. BDNF Het mice showed greater Meth-induced hyperlocomotion and lower prepulse inhibition than WT mice. There were no effects of either pretreatment on D1 or D2 gene expression in either the dorsal or ventral striatum, while D3 mRNA was shown to be reduced in male mice only irrespective of genotype. These results suggest that in adolescence, chronically elevated glucocorticoid levels, a component of chronic stress, do not cause dopaminergic sensitization adulthood, in contrast to the effect of chronic Meth treatment in the same age period. BDNF does not appear to be involved in the effects of chronic Cort or chronic Meth.
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Affiliation(s)
- Lina Schonfeld
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Emily J Jaehne
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Alexandra R Ogden
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Jereme G Spiers
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Australia
| | - Samuel Hogarth
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Maarten van den Buuse
- Department of Psychology and Counselling, School of Psychology and Public Health, La Trobe University, Melbourne, Australia; Department of Pharmacology, University of Melbourne, Australia; College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, Australia.
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20
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Plocinski JA, Ball KT. Prelimbic medial prefrontal cortex has bidirectional control over the expression of behavioral sensitization to 3,4-methylenedioxymethamphetamine (MDMA; ecstasy) depending on the context of drug administration. Neurosci Lett 2022; 783:136710. [PMID: 35671916 DOI: 10.1016/j.neulet.2022.136710] [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: 12/24/2021] [Revised: 05/04/2022] [Accepted: 06/02/2022] [Indexed: 10/18/2022]
Abstract
Behavioral sensitization to MDMA is observed in the vast majority of rats if tested in the same environment in which previous MDMA exposure occurred, but not if tested in a novel, unpaired context. Previous studies have revealed a critical role for the prelimbic region of medial prefrontal cortex (PL) in the expression of sensitization to MDMA, but these studies assessed sensitization only in MDMA-paired environments. Given that PL activity can both facilitate and suppress behavior depending on context, we tested the hypothesis that PL has bidirectional control over the expression of locomotor sensitization to MDMA depending on the context of drug administration. Rats were treated with either saline or MDMA (5.0 mg/kg) twice daily for 5 days, in either their home cages (unpaired groups) or the activity monitors that were used for tests of sensitization on challenge days (paired groups). Prior to MDMA challenge injections (2.5 mg/kg; at ∼2 weeks of withdrawal), rats received bilateral PL microinjections of either lidocaine (100 μg/0.5 μl/side) or physiological saline (0.5 μl/side). Locomotor activity in response to MDMA challenge was unaffected by PL inactivation in saline pretreated rats. However, PL inactivation caused a decrease in locomotion to the challenge injection in MDMA/paired rats and an increase in locomotion in MDMA/unpaired rats. These results establish a novel role for PL in suppressing the expression of behavioral sensitization when subjects are challenged in a drug-unpaired context, adding to the literature implicating PL activity in both the expression and inhibition of other drug-related behaviors.
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Affiliation(s)
- Jacob A Plocinski
- Department of Psychology, Bloomsburg University of Pennsylvania, 400 E. 2(nd) St., Bloomsburg, PA, 17815, USA
| | - Kevin T Ball
- Department of Psychology, Bloomsburg University of Pennsylvania, 400 E. 2(nd) St., Bloomsburg, PA, 17815, USA.
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21
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Sensitization-based risk for substance abuse in vulnerable individuals with ADHD: Review and re-examination of evidence. Neurosci Biobehav Rev 2022; 135:104575. [PMID: 35151770 PMCID: PMC9893468 DOI: 10.1016/j.neubiorev.2022.104575] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 02/04/2023]
Abstract
Evidence of sensitization following stimulants administration in humans is just emerging, which prevents reaching more definitive conclusions in favor or against a purported protective role of stimulant treatments for ADHD for the development of substance use disorders. Existing evidence from both animal and human research suggest that stimulants produce neurophysiological changes in the brain reward system, some of which could be persistent. This could be relevant in choosing optimal treatments for young patients with ADHD who have additional clinical risk factors for substance abuse (e.g. conduct disorder (CD) and/or familial addictions). Here we stipulate that, while the majority of youth with ADHD greatly benefit from treatments with stimulants, there might be a subpopulation of individuals whose neurobiological profiles may confer risk for heightened vulnerability to the effects of stimulants on the responsiveness of the brain reward system. We propose that focused human research is needed to elucidate the unknown effects of prolonged stimulant exposure on the neurophysiology of the brain reward system in young patients with ADHD.
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22
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The development of behavioral sensitization induced by a single morphine exposure in adult zebrafish (Danio rerio). Prog Neuropsychopharmacol Biol Psychiatry 2022; 113:110456. [PMID: 34662694 DOI: 10.1016/j.pnpbp.2021.110456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 10/06/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Accumulating evidence suggest that behavioral sensitization is involved in the process of drug addiction. Zebrafish are sensitive to a variety of addictive drugs and are thus suitable for the study of behavioral sensitization. However, in contrast to mature rodent models of behavioral sensitization, how this phenomenon manifests in aquatic organisms, especially zebrafish, is largely unknown. In this study, we developed a morphine-induced behavioral sensitization adult zebrafish model and performed a preliminary investigation of the underlying mechanisms. METHODS Behavioral sensitization was established in zebrafish by observing their behavior after treatment and challenge with morphine. The effect of morphine was evaluated by a behavioral locomotor test. Different doses of morphine and withdrawal times were used to evaluate the establishment of the behavioral sensitization model. RESULTS Hyperlocomotion was induced after administration of morphine in adult zebrafish. After withdrawing the drug for a period, challenge with low-dose morphine evoked behavioral sensitization in zebrafish acutely pre-treated with morphine. Low-dose morphine failed to induce behavioral sensitization in zebrafish if the withdrawal time was less than 5 days or more than 7 days. Morphine induced behavioral sensitization in zebrafish may involve dopaminergic, glutamatergic and opioid systems. CONCLUSION A single low-dose of morphine could induce behavioral sensitization in zebrafish acutely pre-treated with morphine, and this phenomenon was highly correlated with drug dose and withdrawal time. These findings suggest that zebrafish is a suitable model for the study of behavioral sensitization.
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Prenatal Amphetamine-Induced Dopaminergic Alteration in a Gender- and Estrogen-Dependent Manner. Neurochem Res 2022; 47:1317-1328. [PMID: 35147850 DOI: 10.1007/s11064-022-03531-1] [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: 10/15/2021] [Revised: 01/11/2022] [Accepted: 01/15/2022] [Indexed: 10/19/2022]
Abstract
Prenatal exposure to amphetamine induces changes in dopamine receptors in mesolimbic areas and alters locomotor response to amphetamine during adulthood. Sex differences have been reported in amphetamine-induced brain activity and stress sensitivity. We evaluated the effects of prenatal amphetamine exposure on locomotor activity, dopamine receptors and tyrosine hydroxylase mRNA expression in nucleus accumbens and caudate-putamen in response to amphetamine challenge in adult female and male rats. The role of estrogen in the response to restraint stress was analyzed in ovariectomized, prenatally amphetamine-exposed rats. Pregnant rats were treated with D-amphetamine during days 15-21 of gestation. Nucleus accumbens and caudate-putamen were processed for mRNA determination by real-time PCR. In nucleus accumbens, higher mRNA dopamine (D3) receptor expression was found in basal and D-amphetamine-challenge conditions in female than male, and prenatal amphetamine increased the difference. No sex differences were observed in caudate-putamen. Basal saline-treated females showed higher locomotor activity than males. Amphetamine challenge in prenatally amphetamine-exposed rats increased locomotor activity in males and reduced it in females. In nucleus accumbens, estrogen diminished mRNA D1, D2 and D3 receptor expression in basal, and D1 and D3 in ovariectomized stressed rats. Estrogen prevented the increase in tyrosine hydroxylase expression induced by stress in ovariectomized prenatally exposed rats. In conclusion, estrogen modulates mRNA levels of D1, D2 and D3 receptors and tyrosine hydroxylase expression in nucleus accumbens; prenatal amphetamine-exposure effects on D3 receptors and behavioral responses were gender dependent.
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24
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Peart DR, Andrade AK, Logan CN, Knackstedt LA, Murray JE. Regulation of Cocaine-related Behaviors by Estrogen and Progesterone. Neurosci Biobehav Rev 2022; 135:104584. [DOI: 10.1016/j.neubiorev.2022.104584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 01/30/2022] [Accepted: 02/12/2022] [Indexed: 10/19/2022]
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25
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Shin JK, Kim WY, Rim H, Kim JH. Decrease of glycogen synthase kinase 3β phosphorylation in the rat nucleus accumbens shell is necessary for amphetamineinduced conditioned locomotor activity. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY 2022; 26:59-65. [PMID: 34965996 PMCID: PMC8723983 DOI: 10.4196/kjpp.2022.26.1.59] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/08/2021] [Accepted: 12/08/2021] [Indexed: 12/03/2022]
Abstract
Phosphorylation levels of glycogen synthase kinase 3β (GSK3β) negatively correlated with psychomotor stimulant-induced locomotor activity. Locomotor sensitization induced by psychomotor stimulants was previously shown to selectively accompany the decrease of GSK3β phosphorylation in the nucleus accumbens (NAcc) core, suggesting that intact GSK3β activity in this region is necessary for psychomotor stimulants to produce locomotor sensitization. Similarly, GSK3β in the NAcc was also implicated in mediating the conditioned effects formed by the associations of psychomotor stimulants. However, it remains undetermined whether GSK3β plays a differential role in the two sub-regions (core and shell) of the NAcc in the expression of drug-conditioned behaviors. In the present study, we found that GSK3β phosphorylation was significantly lower in the NAcc shell obtained from rats expressing amphetamine (AMPH)-induced conditioned locomotor activity. Further, we demonstrated that these effects were normalized by treatment with lithium chloride, a GSK3β inhibitor. These results suggest that the behavior produced by AMPH itself and a conditioned behavior formed by associations with AMPH are differentially mediated by the two sub-regions of the NAcc.
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Affiliation(s)
- Joong-Keun Shin
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Wha Young Kim
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Haeun Rim
- Department of Medical Sciences, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Jeong-Hoon Kim
- Department of Physiology, Yonsei University College of Medicine, Seoul 03722, Korea
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26
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Sokoloff P, Le Foll B. A Historical Perspective on the Dopamine D3 Receptor. Curr Top Behav Neurosci 2022; 60:1-28. [PMID: 35467293 DOI: 10.1007/7854_2022_315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Before 1990, the multiplicity of dopamine receptors beyond D1 and D2 had remained a controversial concept, despite its substantial clinical implications, at a time when it was widely accepted that dopamine interacted with only two receptor subtypes, termed D1 and D2, differing one from the other by their pharmacological specificity and opposite effects on adenylyl cyclase. It was also generally admitted that the therapeutic efficacy of antipsychotics resulted from blockade of D2 receptors. Thanks to molecular biology techniques, the D3 receptor could be characterized as a distinct molecular entity having a restricted anatomical gene expression and different signaling, which could imply peculiar functions in controlling cognitive and emotional behaviors. Due to the structural similarities of D2 and D3 receptors, the search for D3-selective compounds proved to be difficult, but nevertheless led to the identification of fairly potent and in vitro and in vivo selective compounds. The latter permitted to confirm a role of D3 receptors in motor functions, addiction, cognition, and schizophrenia, which paved the way for the development of new drugs for the treatment of psychiatric disorders.
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Affiliation(s)
| | - Bernard Le Foll
- Translational Addiction Research Laboratory, Centre for Addiction and Mental Health, Toronto, ON, Canada. .,Campbell Family Mental Health Research Institute, CAMH, Toronto, ON, Canada. .,Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada. .,Departments of Family and Community Medicine, University of Toronto, Toronto, ON, Canada. .,Institute of Medical Science, University of Toronto, Toronto, ON, Canada. .,Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada. .,Waypoint Research Institute, Waypoint Centre for Mental Health Care, 5, Penetanguishene, ON, Canada.
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27
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GSK3β Activity in Reward Circuit Functioning and Addiction. NEUROSCI 2021. [DOI: 10.3390/neurosci2040033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Glycogen synthase kinase-3β (GSK3β), primarily described as a regulator of glycogen metabolism, is a molecular hub linking numerous signaling pathways and regulates many cellular processes like cytoskeletal rearrangement, cell migration, apoptosis, and proliferation. In neurons, the kinase is engaged in molecular events related to the strengthening and weakening of synapses, which is a subcellular manifestation of neuroplasticity. Dysregulation of GSK3β activity has been reported in many neuropsychiatric conditions, like schizophrenia, major depressive disorder, bipolar disorder, and Alzheimer’s disease. In this review, we describe the kinase action in reward circuit-related structures in health and disease. The effect of pharmaceuticals used in the treatment of addiction in the context of GSK3β activity is also discussed.
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28
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Sullivan EDK, Locke LN, Wallin DJ, Khokhar JY, Bragg EM, Henricks AM, Doucette WT. The Impact of Adolescent Alcohol Exposure on Nicotine Behavioral Sensitization in the Adult Male Neonatal Ventral Hippocampal Lesion Rat. Front Behav Neurosci 2021; 15:760791. [PMID: 34858148 PMCID: PMC8632551 DOI: 10.3389/fnbeh.2021.760791] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 10/12/2021] [Indexed: 11/13/2022] Open
Abstract
Nicotine and alcohol use is highly prevalent among patients with serious mental illness, including those with schizophrenia (SCZ), and this co-occurrence can lead to a worsening of medical and psychiatric morbidity. While the mechanistic drivers of co-occurring SCZ, nicotine use and alcohol use are unknown, emerging evidence suggests that the use of drugs during adolescence may increase the probability of developing psychiatric disorders. The current study used the neonatal ventral hippocampal lesion (NVHL) rat model of SCZ, which has previously been shown to have enhanced nicotine behavioral sensitization and, following adolescent alcohol, increased alcohol consumption. Given how commonly alcohol is used by adolescents that develop SCZ, we used the NVHL rat to determine how exposure to adolescent alcohol impacts the development of nicotine behavioral sensitization in adulthood. Male Sprague-Dawley rats underwent the NVHL surgery or a sham (control) surgery and subsequently, half of each group was allowed to drink alcohol during adolescence. Nicotine behavioral sensitization was assessed in adulthood with rats receiving subcutaneous injections of nicotine (0.5 mg/kg) each day for 3 weeks followed by a nicotine challenge session 2 weeks later. We demonstrate that all groups of rats became sensitized to nicotine and there were no NVHL-specific increases in nicotine behavioral sensitization. We also found that NVHL rats appeared to develop sensitization to the nicotine paired context and that adolescent alcohol exposure blocked this context sensitization. The current findings suggest that exposure to alcohol during adolescence can influence behaviors that manifest in the adult NVHL rat (i.e., context sensitization). Interestingly, nicotine behavioral sensitization levels were not altered in the NVHL groups regardless of adolescent alcohol exposure in contrast to prior reports.
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Affiliation(s)
- Emily D K Sullivan
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.,Geisel School of Medicine, Dartmouth College, Hanover, NH, United States
| | - Liam N Locke
- Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, United States
| | - Diana J Wallin
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.,Geisel School of Medicine, Dartmouth College, Hanover, NH, United States
| | - Jibran Y Khokhar
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.,Department of Biomedical Sciences, University of Guelph, Guelph, ON, Canada
| | - Elise M Bragg
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States
| | - Angela M Henricks
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.,Department of Psychology, Washington State University, Pullman, WA, United States
| | - Wilder T Doucette
- Department of Psychiatry, Dartmouth-Hitchcock Medical Center, Lebanon, NH, United States.,Geisel School of Medicine, Dartmouth College, Hanover, NH, United States
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29
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Bingor A, Azriel M, Amiad L, Yaka R. Potentiated Response of ERK/MAPK Signaling is Associated with Prolonged Withdrawal from Cocaine Behavioral Sensitization. J Mol Neurosci 2021; 71:2229-2236. [PMID: 33479915 PMCID: PMC8585797 DOI: 10.1007/s12031-021-01799-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 01/12/2021] [Indexed: 10/29/2022]
Abstract
Among the neuroadaptations underlying the expression of cocaine-induced behaviors are modifications in glutamate-mediated signaling and synaptic plasticity via activation of mitogen-activated protein kinases (MAPKs) within the nucleus accumbens (NAc). We hypothesized that exposure to cocaine leads to alterations in MAPK signaling in NAc neurons, which facilitates changes in the glutamatergic system and thus behavioral changes. We have previously shown that following withdrawal from cocaine-induced behavioral sensitization (BS), an increase in glutamate receptor expression and elevated MAPK signaling was evident. Here, we set out to determine the time course and behavioral consequences of inhibition of extracellular signal-regulated kinase (ERK) or NMDA receptors following withdrawal from BS. We found that inhibiting ERK by microinjection of U0126 into the NAc at 1 or 6 days following withdrawal from BS did not affect the expression of BS when challenged with cocaine at 14 days. However, inhibition of ERK 1 day before the cocaine challenge abolished the expression of BS. We also inhibited NR2B-containing NMDA receptors in the NAc by microinjection of ifenprodil into the NAc following withdrawal from BS, which had no effect on the expression of BS. However, microinjection of ifenprodil to the NAc 1 day before challenge attenuated the expression of BS similar to ERK inhibition. These results suggest that following a prolonged period of withdrawal, NR2B-containing NMDA receptors and ERK activity play a critical role in the expression of cocaine behavioral sensitization.
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Affiliation(s)
- Alexey Bingor
- Institute for Drug Research (IDR), School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Matityahu Azriel
- Institute for Drug Research (IDR), School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Lavi Amiad
- Institute for Drug Research (IDR), School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel
| | - Rami Yaka
- Institute for Drug Research (IDR), School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel.
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30
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Bonaventura J, Lam S, Carlton M, Boehm M, Gomez JL, Solís O, Sánchez-Soto M, Morris PJ, Fredriksson I, Thomas CJ, Sibley DR, Shaham Y, Zarate CA, Michaelides M. Pharmacological and behavioral divergence of ketamine enantiomers: implications for abuse liability. Mol Psychiatry 2021; 26:6704-6722. [PMID: 33859356 PMCID: PMC8517038 DOI: 10.1038/s41380-021-01093-2] [Citation(s) in RCA: 136] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 02/02/2023]
Abstract
Ketamine, a racemic mixture of (S)-ketamine and (R)-ketamine enantiomers, has been used as an anesthetic, analgesic and more recently, as an antidepressant. However, ketamine has known abuse liability (the tendency of a drug to be used in non-medical situations due to its psychoactive effects), which raises concerns for its therapeutic use. (S)-ketamine was recently approved by the United States' FDA for treatment-resistant depression. Recent studies showed that (R)-ketamine has greater efficacy than (S)-ketamine in preclinical models of depression, but its clinical antidepressant efficacy has not been established. The behavioral effects of racemic ketamine have been studied extensively in preclinical models predictive of abuse liability in humans (self-administration and conditioned place preference [CPP]). In contrast, the behavioral effects of each enantiomer in these models are unknown. We show here that in the intravenous drug self-administration model, the gold standard procedure to assess potential abuse liability of drugs in humans, rats self-administered (S)-ketamine but not (R)-ketamine. Subanesthetic, antidepressant-like doses of (S)-ketamine, but not of (R)-ketamine, induced locomotor activity (in an opioid receptor-dependent manner), induced psychomotor sensitization, induced CPP in mice, and selectively increased metabolic activity and dopamine tone in medial prefrontal cortex (mPFC) of rats. Pharmacological screening across thousands of human proteins and at biological targets known to interact with ketamine yielded divergent binding and functional enantiomer profiles, including selective mu and kappa opioid receptor activation by (S)-ketamine in mPFC. Our results demonstrate divergence in the pharmacological, functional, and behavioral effects of ketamine enantiomers, and suggest that racemic ketamine's abuse liability in humans is primarily due to the pharmacological effects of its (S)-enantiomer.
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Affiliation(s)
- Jordi Bonaventura
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, USA.
| | - Sherry Lam
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 21224
| | - Meghan Carlton
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 21224
| | - Matthew Boehm
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 21224
| | - Juan L. Gomez
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 21224
| | - Oscar Solís
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 21224
| | - Marta Sánchez-Soto
- Molecular Neuropharmacology Section, National Institute of Neurological Disorders and Stroke Intramural Research Program, Bethesda, MD, 20892
| | - Patrick J. Morris
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, Rockville, MD, 20850
| | - Ida Fredriksson
- Neurobiology of Relapse Section, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 212245
| | - Craig J. Thomas
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, Rockville, MD, 20850
| | - David R. Sibley
- Molecular Neuropharmacology Section, National Institute of Neurological Disorders and Stroke Intramural Research Program, Bethesda, MD, 20892
| | - Yavin Shaham
- Neurobiology of Relapse Section, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, 212245
| | - Carlos A. Zarate
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, Intramural Research Program, Bethesda, MD, 20892
| | - Michael Michaelides
- Biobehavioral Imaging and Molecular Neuropsychopharmacology Unit, National Institute on Drug Abuse Intramural Research Program, Baltimore, MD, USA. .,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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31
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Ramakrishnan N, Lijffijt M, Green CE, Balderston NL, Murphy N, Grillon C, Iqbal T, Vo-Le B, O’Brien B, Murrough JW, Swann AC, Mathew SJ. Neurophysiological and clinical effects of the NMDA receptor antagonist lanicemine (BHV-5500) in PTSD: A randomized, double-blind, placebo-controlled trial. Depress Anxiety 2021; 38:1108-1119. [PMID: 34254405 PMCID: PMC8560553 DOI: 10.1002/da.23194] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/02/2021] [Accepted: 06/04/2021] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Posttraumatic stress disorder (PTSD) is associated with hyperarousal and stress reactivity, features consistent with behavioral sensitization. In this Phase 1b, parallel-arm, randomized, double-blind, placebo-controlled trial, we tested whether the selective low-trapping N-methyl-D-aspartate receptor (NMDAR) antagonist [Lanicemine (BHV-5500)] blocks expression of behavioral sensitization. METHODS Twenty-four participants with elevated anxiety potentiated startle (APS) and moderate-to-severe PTSD symptoms received three infusions of lanicemine 1.0 mg/ml (100 mg) or matching placebo (0.9% saline) (1:1 ratio), over a 5-day period. The primary outcome was change in APS from baseline to end of third infusion. We also examined changes in EEG gamma-band oscillatory activity as measures of NMDAR target engagement and explored Clinician-Administered PTSD Scale (CAPS-5) hyperarousal scores. RESULTS Lanicemine was safe and well-tolerated with no serious adverse events. Using Bayesian statistical inference, the posterior probability that lanicemine outperformed placebo on APS T-score after three infusions was 38%. However, after the first infusion, there was a 90% chance that lanicemine outperformed placebo in attenuating APS T-score by a standardized effect size more than 0.4. CONCLUSION We demonstrated successful occupancy of lanicemine on NMDAR using gamma-band EEG and effects on hyperarousal symptoms (Cohen's d = 0.75). While lanicemine strongly attenuated APS following a single infusion, differential changes from placebo after three infusions was likely obscured by habituation effects. To our knowledge, this is the first use of APS in the context of an experimental medicine trial of a NMDAR antagonist in PTSD. These findings support selective NMDAR antagonism as a viable pharmacological strategy for salient aspects of PTSD.
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Affiliation(s)
- Nithya Ramakrishnan
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA,Corresponding Authors: Nithya Ramakrishnan, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, 1977 Butler Blvd, Houston, TX 77030, USA. , (713)798-7768; Sanjay J. Mathew, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, 1977 Butler Blvd, Houston, TX 77030, USA. (713) 798-5877
| | - Marijn Lijffijt
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA
| | | | | | - Nicholas Murphy
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA,The Menninger Clinic, Houston, TX, USA
| | | | - Tabish Iqbal
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA
| | - Brittany Vo-Le
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA
| | - Brittany O’Brien
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA
| | - James W. Murrough
- Depression and Anxiety Center for Discovery and Treatment, Department of Psychiatry, Icahn School of Medicine at Mount Sinai; Department of Neuroscience, Icahn School of Medicine at Mount Sinai
| | - Alan C. Swann
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA
| | - Sanjay J. Mathew
- Mood and Anxiety Disorders Program, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA.,Michael E. Debakey VA Medical Center, Houston, TX, USA,The Menninger Clinic, Houston, TX, USA,Corresponding Authors: Nithya Ramakrishnan, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, 1977 Butler Blvd, Houston, TX 77030, USA. , (713)798-7768; Sanjay J. Mathew, Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, 1977 Butler Blvd, Houston, TX 77030, USA. (713) 798-5877
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32
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Kruyer A, Parrilla-Carrero J, Powell C, Brandt L, Gutwinski S, Angelis A, Chalhoub RM, Jhou TC, Kalivas PW, Amato D. Accumbens D2-MSN hyperactivity drives antipsychotic-induced behavioral supersensitivity. Mol Psychiatry 2021; 26:6159-6169. [PMID: 34349226 PMCID: PMC8760070 DOI: 10.1038/s41380-021-01235-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 07/05/2021] [Accepted: 07/07/2021] [Indexed: 02/07/2023]
Abstract
Antipsychotic-induced dopamine supersensitivity, or behavioral supersensitivity, is a problematic consequence of long-term antipsychotic treatment characterized by the emergence of motor abnormalities, refractory symptoms, and rebound psychosis. The underlying mechanisms are unclear and no approaches exist to prevent or reverse these unwanted effects of antipsychotic treatment. Here we demonstrate that behavioral supersensitivity stems from long-lasting pre, post and perisynaptic plasticity, including insertion of Ca2+-permeable AMPA receptors and loss of D2 receptor-dependent inhibitory postsynaptic currents (IPSCs) in D2 receptor-expressing medium spiny neurons (D2-MSNs) in the nucleus accumbens core (NAcore). The resulting hyperexcitability, prominent in a subpopulation of D2-MSNs (21%), caused locomotor sensitization to cocaine and was associated with behavioral endophenotypes of antipsychotic treatment resistance and substance use disorder, including disrupted extinction learning and augmented cue-induced cocaine-seeking behavior. Chemogenetic restoration of IPSCs in D2-MSNs in the NAcore was sufficient to prevent antipsychotic-induced supersensitivity, pointing to an entirely novel therapeutic direction for overcoming this condition.
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Affiliation(s)
- Anna Kruyer
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | | | - Courtney Powell
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Lasse Brandt
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Stefan Gutwinski
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Ariana Angelis
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Reda M Chalhoub
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Thomas C Jhou
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Peter W Kalivas
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Davide Amato
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA.
- Department of Psychiatry and Psychotherapy, Charité - Universitätsmedizin Berlin, Berlin, Germany.
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Rigoni D, Avalos MP, Boezio MJ, Guzmán AS, Calfa GD, Perassi EM, Pierotti SM, Bisbal M, Garcia-Keller C, Cancela LM, Bollati F. Stress-induced vulnerability to develop cocaine addiction depends on cofilin modulation. Neurobiol Stress 2021; 15:100349. [PMID: 34169122 PMCID: PMC8209265 DOI: 10.1016/j.ynstr.2021.100349] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 12/24/2022] Open
Abstract
Actin dynamics in dendritic spines can be associated with the neurobiological mechanisms supporting the comorbidity between stress exposure and cocaine increase rewards. The actin cytoskeleton remodeling in the nucleus accumbens (NA) has been implicated in the expression of stress-induced cross-sensitization with cocaine. The present study evaluates the involvement of cofilin, a direct regulator of actin dynamics, in the impact of stress on vulnerability to cocaine addiction. We assess whether the neurobiological mechanisms that modulate repeated-cocaine administration also occur in a chronic restraint stress-induced cocaine self-administration model. We also determine if chronic stress induces alterations in dendritic spines through dysregulation of cofilin activity in the NA core. Here, we show that the inhibition of cofilin expression in the NA core using viral short-hairpin RNA is sufficient to prevent the cocaine sensitization induced by chronic stress. The reduced cofilin levels also impede a-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor surface expression enhancement and promote the reduction of head diameter in animals pre-exposed to stress after a cocaine challenge in the NA core. Moreover, downregulation of cofilin expression prevents facilitation of the acquisition of cocaine self-administration (SA) in male rats pre-exposed to chronic stress without modifying performance in sucrose SA. These findings reveal a novel, crucial role for cofilin in the neurobiological mechanisms underpinning the comorbidity between stress exposure and addiction-related disorders.
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Affiliation(s)
- Daiana Rigoni
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Maria P. Avalos
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Maria J. Boezio
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Andrea S. Guzmán
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Gaston D. Calfa
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Eduardo M. Perassi
- Instituto de Investigaciones en Fisicoquímica de Córdoba (INFIQC), Departamento de Química Teórica y Computacional, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Silvia M. Pierotti
- Cátedra de Bioestadística I y II (Departamento de Matemática), Facultad de Ciencias Exactas Físicas y Naturales, Universidad Nacional de Córdoba, Avenida Velez Sarfield 161, (5000), Córdoba, Argentina
| | - Mariano Bisbal
- Instituto de Investigación Médica Mercedes y Martin Ferreyra, INIMEC-CONICET, Universidad Nacional de Córdoba, Friuli 2434, Colinas de Vélez Sarsfield (5016) Córdoba, Argentina
| | - Constanza Garcia-Keller
- Department of Neuroscience, Medical University of South Carolina, 173 Ashley Avenue, Charleston, SC, 29425, USA
| | - Liliana M. Cancela
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
| | - Flavia Bollati
- Instituto de Farmacología Experimental de Córdoba (IFEC-CONICET), Departamento de Farmacología, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre and Medina Allende, Ciudad Universitaria, (5000), Córdoba, Argentina
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Ztaou S, Oh SJ, Tepler S, Fleury S, Matamales M, Bertran-Gonzalez J, Chuhma N, Rayport S. Single Dose of Amphetamine Induces Delayed Subregional Attenuation of Cholinergic Interneuron Activity in the Striatum. eNeuro 2021; 8:ENEURO.0196-21.2021. [PMID: 34462310 PMCID: PMC8454923 DOI: 10.1523/eneuro.0196-21.2021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 08/09/2021] [Accepted: 08/23/2021] [Indexed: 01/15/2023] Open
Abstract
Psychostimulants such as amphetamine (AMPH) target dopamine (DA) neuron synapses to engender drug-induced plasticity. While DA neurons modulate the activity of striatal (Str) cholinergic interneurons (ChIs) with regional heterogeneity, how AMPH affects ChI activity has not been elucidated. Here, we applied quantitative fluorescence imaging approaches to map the dose-dependent effects of a single dose of AMPH on ChI activity at 2.5 and 24 h after injection across the mouse Str using the activity-dependent marker phosphorylated ribosomal protein S6 (p-rpS6240/244). AMPH did not affect the distribution or morphology of ChIs in any Str subregion. While AMPH at either dose had no effect on ChI activity after 2.5 h, ChI activity was dose dependently reduced after 24 h specifically in the ventral Str/nucleus accumbens (NAc), a critical site of psychostimulant action. AMPH at either dose did not affect the spontaneous firing of ChIs. Altogether this work demonstrates that a single dose of AMPH has delayed regionally heterogeneous effects on ChI activity, which most likely involves extra-Str synaptic input.
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Affiliation(s)
- Samira Ztaou
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
| | - Soo Jung Oh
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
| | - Sophia Tepler
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
| | - Sixtine Fleury
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
| | - Miriam Matamales
- Decision Neuroscience Laboratory, School of Psychology, University of New South Wales, Sydney, NSW 2052, Australia
| | - Jesus Bertran-Gonzalez
- Decision Neuroscience Laboratory, School of Psychology, University of New South Wales, Sydney, NSW 2052, Australia
| | - Nao Chuhma
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
| | - Stephen Rayport
- Department of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY 10032
- Department of Psychiatry, Columbia University, New York, NY 10032
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35
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Garcia-Keller C, Carter JS, Kruyer A, Kearns AM, Hopkins JL, Hodebourg R, Kalivas PW, Reichel CM. Behavioral and accumbens synaptic plasticity induced by cues associated with restraint stress. Neuropsychopharmacology 2021; 46:1848-1856. [PMID: 34226657 PMCID: PMC8357931 DOI: 10.1038/s41386-021-01074-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 06/13/2021] [Accepted: 06/14/2021] [Indexed: 02/07/2023]
Abstract
Exposure to acute stress can increase vulnerability to develop or express many psychiatric disorders, including post-traumatic stress disorder. We hypothesized that stress-induced psychiatric vulnerability is associated with enduring neuroplasticity in the nucleus accumbens core because stress exposure can alter drug addiction-related behaviors that are associated with accumbens synaptic plasticity. We used a single 2-h stress session and 3 weeks later exposed male and female rats to stress-conditioned odors in a modified defensive burying task, and quantified both active and avoidant coping strategies. We measured corticosterone, dendritic spine and astrocyte morphology in accumbens, and examined reward sensitivity using a sucrose two-bottle choice and operant sucrose self-administration. Exposure to stress odor increased burying (active coping) and immobility (avoidant coping) in the defensive burying task in female and male rats. Systemic corticosterone was transiently increased by both ongoing acute restraint stress and stress-conditioned odors. Three weeks after administering acute restraint stress, we observed increased dendritic spine density and head diameter, and decreased synaptic association with astroglia and the astroglial glutamate transporter, GLT-1. Exposure to conditioned stress further increased head diameter without affecting spine density or astroglial morphology, and this increase by conditioned stress was correlated with burying behavior. Finally, we found that stress-exposed females have a preference for sweet solutions and higher motivation to seek sucrose than stressed male rats. We conclude that acute stress produced enduring plasticity in accumbens postsynapses and associated astroglia. Moreover, conditioned stress odors induced active behavioral coping strategies that were correlated with dendritic spine morphology.
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Affiliation(s)
| | - Jordan S Carter
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Anna Kruyer
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Angela M Kearns
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Jordan L Hopkins
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Ritchy Hodebourg
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Peter W Kalivas
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA
| | - Carmela M Reichel
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, USA.
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McDougall SA, Robinson JAM, Gleason DC, Cotter LL. Reciprocal cross-sensitization between cocaine and RU 24969 in male and female preweanling rats. Pharmacol Biochem Behav 2021; 209:173265. [PMID: 34437872 DOI: 10.1016/j.pbb.2021.173265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 10/20/2022]
Abstract
Neuronal adaptations involving dopaminergic, glutamatergic, and serotonergic neurotransmitter systems are responsible for behavioral sensitization. Because of common underlying mechanisms, cross-sensitization between compounds of different drug classes can be observed. The purpose of the present study was to determine whether a one- or four-day pretreatment regimen of RU 24969 (a 5-HT1A/1B receptor agonist) would reciprocally cross-sensitize with cocaine or methamphetamine in male and female preweanling rats. Rats were pretreated with RU 24969 (0 or 5 mg/kg) for 4 days (PD 17-20) and then challenged with cocaine (10 or 20 mg/kg) or methamphetamine (1 or 2 mg/kg) on PD 22. Reciprocal cross-sensitization was also assessed (i.e., rats were pretreated with psychostimulants and tested with RU 24969). In a follow-up experiment, the ability of RU 24969 and cocaine to reciprocally cross-sensitize was assessed using a one-day pretreatment regimen. Reciprocal cross-sensitization between cocaine and RU 24969 was evident in preweanling rats, whereas methamphetamine and RU 24969 did not cross-sensitize. When a one-trial pretreatment regimen was used, cross-sensitization was only detected when rats were pretreated with RU 24969 and tested with cocaine, but not the reverse. In sum, the present results show that the nonselective 5-HT1A/1B receptor agonist RU 24969 cross-sensitizes with cocaine, but not methamphetamine, in preweanling rats. This dichotomy may be a function of cocaine having a greater affinity for the serotonin transporter than methamphetamine.
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Affiliation(s)
- Sanders A McDougall
- Department of Psychology, 5500 University Parkway, California State University, San Bernardino, CA 92407, USA.
| | - Jasmine A M Robinson
- Department of Psychology, 5500 University Parkway, California State University, San Bernardino, CA 92407, USA
| | - Devon C Gleason
- Department of Psychology, 5500 University Parkway, California State University, San Bernardino, CA 92407, USA
| | - Laura L Cotter
- Department of Psychology, 5500 University Parkway, California State University, San Bernardino, CA 92407, USA
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37
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Kou X, Xian J, Huang Z, Tao Y, Lin Y, Qin C, Wu H, Chang L, Luo C, Zhu D. Disrupting the Interaction of nNOS with CAPON Prevents the Reinstatement of Morphine Conditioned Place Preference. Cereb Cortex 2021; 32:569-582. [PMID: 34297798 DOI: 10.1093/cercor/bhab234] [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: 02/08/2021] [Revised: 06/19/2021] [Accepted: 06/21/2021] [Indexed: 11/12/2022] Open
Abstract
Drug abuse is a dramatic challenge for the whole society because of high relapse rate. Environmental cues are crucial for the preference memory of drug abuse. Extinction therapy has been developed to inhibit the motivational effect of drug cues to prevent the reinstatement of morphine abuse. However, extinction therapy alone only forms a new kind of unstable inhibitory memory. We found that morphine conditioned place preference (CPP) extinction training increased the association of nitric oxide synthase (nNOS) with its carboxy-terminal PDZ ligand (CAPON) in the dorsal hippocampus (dHPC) significantly and blocking the morphine-induced nNOS-CAPON association using Tat-CAPON-12C during and after extinction training reversed morphine-induced hippocampal neuroplasticity defect and prevented the reinstatement and spontaneous recovery of morphine CPP. Moreover, in the hippocampal selective ERK2 knock-out or nNOS knockout mice, the effect of Tat-CAPON-12C on the reinstatement of morphine CPP and hippocampal neuroplasticity disappeared, suggesting ERK2 is necessary for the effects of Tat-CAPON-12C. Together, our findings suggest that nNOS-CAPON interaction in the dHPC may affect the consolidation of morphine CPP extinction and dissociating nNOS-CAPON prevents the reinstatement and spontaneous recovery of morphine CPP, possibly through ERK2-mediated neuroplasticity and extinction memory consolidation, offering a new target to prevent the reinstatement of drug abuse.
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Affiliation(s)
- Xiaolin Kou
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.,Jiangsu Simovay Pharmaceutical Co., Ltd., Nanjing 210042, China
| | - Jiayun Xian
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Zhenquan Huang
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yan Tao
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Yuhui Lin
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Cheng Qin
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Haiyin Wu
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Lei Chang
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Chunxia Luo
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China
| | - Dongya Zhu
- Department of Pharmacology, School of Pharmacy, Nanjing Medical University, Nanjing 211166, China.,Institution of Stem Cells and Neuroregeneration, Nanjing Medical University, Nanjing 211166, China.,Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangzhou 510507, China
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38
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Foti F, Bilel S, Tirri M, Arfè R, Boccuto F, Bernardi T, Serpelloni G, De-Giorgio F, Marti M. Low-normal doses of methiopropamine induce aggressive behaviour in mice. Psychopharmacology (Berl) 2021; 238:1847-1856. [PMID: 33770233 DOI: 10.1007/s00213-021-05813-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 03/01/2021] [Indexed: 02/06/2023]
Abstract
Recreational use of illicit methiopropamine (MPA) is a public health concern because it produces neurochemical effects comparable with those induced by methamphetamine (METH). The present study investigated the effects of MPA on the expression of an aggressive behaviour. Eighty CD-1 male mice, after receiving intraperitoneal injection of saline, MPA (0.01-10 mg/kg), METH (0.01-10 mg/kg), or AMPH (0.01-10 mg/kg), once a week over a 5-week period, underwent the resident-intruder test and spontaneous locomotor activity measurement. Results showed that all psychostimulants induce aggressive behaviour even at low doses, with a dose-dependent increase and a time-dependent sensitisation. MPA potency was similar to METH and superior to AMPH. Therefore, MPA-induced aggressive behaviour may appear even at MPA dosages free of cardiovascular or other behavioural adverse effects and could become a non-intentional side effect that users experience after increasing and repeating MPA consumption.
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Affiliation(s)
- Federica Foti
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Sabrine Bilel
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Micaela Tirri
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Raffaella Arfè
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.,Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Federica Boccuto
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Tatiana Bernardi
- Department of Chemistry and Pharmaceutical Sciences, University of Ferrara, Ferrara, Italy
| | - Giovanni Serpelloni
- Department of Psychiatry in the College of Medicine, Drug Policy Institute, University of Florida, Gainesville, FL, USA
| | - Fabio De-Giorgio
- Department of Healthcare Surveillance and Bioethics, Section of Legal Medicine, Università Cattolica del Sacro Cuore, Rome, Italy. .,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Matteo Marti
- Department of Translational Medicine, Section of Legal Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy. .,Collaborative Center for the Italian National Early Warning System, Department of Anti-Drug Policies, Presidency of the Council of Ministers, Rome, Italy. .,Department of Morphology, Experimental Medicine and Surgery, Section of Legal Medicine, University of Ferrara, via Fossato di Mortara 70, 44121, Ferrara, Italy.
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Fredriksson I, Venniro M, Reiner DJ, Chow JJ, Bossert JM, Shaham Y. Animal Models of Drug Relapse and Craving after Voluntary Abstinence: A Review. Pharmacol Rev 2021; 73:1050-1083. [PMID: 34257149 PMCID: PMC11060480 DOI: 10.1124/pharmrev.120.000191] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Relapse to drug use during abstinence is a defining feature of addiction. During the last several decades, this clinical scenario has been studied at the preclinical level using classic relapse/reinstatement models in which drug seeking is assessed after experimenter-imposed home-cage forced abstinence or extinction of the drug-reinforced responding in the self-administration chambers. To date, however, results from studies using rat relapse/reinstatement models have yet to result in Food and Drug Administration-approved medications for relapse prevention. The reasons for this state of affairs are complex and multifaceted, but one potential reason is that, in humans, abstinence is often self-imposed or voluntary and occurs either because the negative consequences of drug use outweigh the drug's rewarding effects or because of the availability of nondrug alternative rewards that are chosen over the drug. Based on these considerations, we and others have recently developed rat models of relapse after voluntary abstinence, achieved either by introducing adverse consequences to drug taking (punishment) or seeking (electric barrier) or by providing mutually exclusive choices between the self-administered drug and nondrug rewards (palatable food or social interaction). In this review, we provide an overview of these translationally relevant relapse models and discuss recent neuropharmacological findings from studies using these models. We also discuss sex as a biological variable, future directions, and clinical implications of results from relapse studies using voluntary abstinence models. Our main conclusion is that the neuropharmacological mechanisms controlling relapse to drug seeking after voluntary abstinence are often different from the mechanisms controlling relapse after home-cage forced abstinence or reinstatement after extinction. SIGNIFICANCE STATEMENT: This review describes recently developed rat models of relapse after voluntary abstinence, achieved either by introducing adverse consequences to drug taking or seeking or by providing mutually exclusive choices between the self-administered drug and nondrug rewards. This review discusses recent neuropharmacological findings from studies using these models and discusses future directions and clinical implications.
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Affiliation(s)
- Ida Fredriksson
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Marco Venniro
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - David J Reiner
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Jonathan J Chow
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Jennifer M Bossert
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Yavin Shaham
- Behavioral Neuroscience Branch, Intramural Research Program, National Institute on Drug Abuse, National Institute of Health, Baltimore, Maryland (I.F., M.V., D.J.R., J.J.C., J.M.B., Y.S.), and Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
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40
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Xu J, Casanave R, Guo S. Larval zebrafish display dynamic learning of aversive stimuli in a constant visual surrounding. ACTA ACUST UNITED AC 2021; 28:228-238. [PMID: 34131054 PMCID: PMC8212779 DOI: 10.1101/lm.053425.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/03/2021] [Indexed: 11/24/2022]
Abstract
Balancing exploration and anti-predation are fundamental to the fitness and survival of all animal species from early life stages. How these basic survival instincts drive learning remains poorly understood. Here, using a light/dark preference paradigm with well-controlled luminance history and constant visual surrounding in larval zebrafish, we analyzed intra- and intertrial dynamics for two behavioral components, dark avoidance and center avoidance. We uncover that larval zebrafish display short-term learning of dark avoidance with initial sensitization followed by habituation; they also exhibit long-term learning that is sensitive to trial interval length. We further show that such stereotyped learning patterns is stimulus-specific, as they are not observed for center avoidance. Finally, we demonstrate at individual levels that long-term learning is under homeostatic control. Together, our work has established a novel paradigm to understand learning, uncovered sequential sensitization and habituation, and demonstrated stimulus specificity, individuality, as well as dynamicity in learning.
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Affiliation(s)
- Jiale Xu
- Department of Bioengineering and Therapeutic Sciences, University of California at San Francisico, San Francisco, California 94158, USA
| | - Romelo Casanave
- Department of Bioengineering and Therapeutic Sciences, University of California at San Francisico, San Francisco, California 94158, USA
| | - Su Guo
- Department of Bioengineering and Therapeutic Sciences, University of California at San Francisico, San Francisco, California 94158, USA.,Program in Human Genetics, University of California at San Francisco, San Francisco, California 94158, USA.,Program in Biological Sciences, University of California at San Francisco, San Francisco, California 94158, USA
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41
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Danielsson K, Lagström O, Ericson M, Söderpalm B, Adermark L. Subregion-specific effects on striatal neurotransmission and dopamine-signaling by acute and repeated amphetamine exposure. Neuropharmacology 2021; 194:108638. [PMID: 34116108 DOI: 10.1016/j.neuropharm.2021.108638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/19/2021] [Accepted: 06/03/2021] [Indexed: 11/29/2022]
Abstract
Repeated administration of psychostimulants, such as amphetamine, is associated with a progressive increased sensitivity to some of the drug's effects, but tolerance towards others. We hypothesized that these adaptations in part could be linked to differential effects by amphetamine on dopaminergic signaling in striatal subregions. To test this theory, acute and long-lasting changes in dopaminergic neurotransmission were assessed in the nucleus accumbens (nAc) and the dorsomedial striatum (DMS) following amphetamine exposure in Wistar rats. By means of in vivo microdialysis, dopamine release induced by local administration of amphetamine was monitored in nAc and DMS of amphetamine naïve rats, and in rats subjected to five days of systemic amphetamine administration (2.0 mg/kg/day) followed by two weeks of withdrawal. In parallel, ex vivo electrophysiology was conducted to outline the effect of acute and repeated amphetamine exposure on striatal neurotransmission. The data shows that amphetamine increases dopamine in a concentration-dependent and subregion-specific manner. Furthermore, repeated administration of amphetamine followed by abstinence resulted in a selective decrease in baseline dopamine in the nAc, and a potentiation of the relative dopamine elevation after systemic amphetamine in the same area. Ex vivo electrophysiology demonstrated decreased excitatory neurotransmission in brain slices from amphetamine-treated animals, and a nAc selective shift in the responsiveness to the dopamine D2-receptor agonist quinpirole. These selective effects on dopamine signaling seen in striatal subregions after repeated drug exposure may partially explain why tolerance develops to the rewarding effects, but not towards the psychosis inducing properties of amphetamine.
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Affiliation(s)
- Klara Danielsson
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Oona Lagström
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Mia Ericson
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden
| | - Bo Söderpalm
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden; Beroendekliniken, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Louise Adermark
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden; Department of Pharmacology, Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg, Sweden.
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Oliveira-Campos D, Reis HS, Libarino-Santos M, Cata-Preta EG, Dos Santos TB, Dos Anjos-Santos A, Oliveira TS, de Brito ACL, Patti CL, Marinho EAV, de Oliveira Lima AJ. The influence of early exposure to methylphenidate on addiction-related behaviors in mice. Pharmacol Biochem Behav 2021; 206:173208. [PMID: 34022293 DOI: 10.1016/j.pbb.2021.173208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 04/22/2021] [Accepted: 05/13/2021] [Indexed: 10/21/2022]
Abstract
Methylphenidate (MET) has a putative cognitive enhancer effect that has led adolescents and young adults to increase and indiscriminate its use aiming to ameliorate their productivity. However, the impacts of MET on addiction-related behaviors, emotional levels, and cognition are still not fully understood. To investigate the influence of chronic treatment with MET during adolescence on addiction-like behaviors, memory, and anxiety in adult mice. Thirty-day-old female mice received i.p. 10 mg/kg MET or Veh injections for 10 consecutive days. Forty days after the treatment (mice were 70-days-old), animals were submitted to the behavioral evaluation under the effects of MET, which included: MET-induced conditioned place preference (CPP), behavioral sensitization, and plus-maze discriminative avoidance task. Pre-exposure to MET during adolescence promoted an early expression of CPP and also facilitated the development of MET-induced behavioral sensitization during adulthood. These addictive-like behaviors were accompanied by anxiogenic effects of MET but not by any memory-enhancing effect. We demonstrated that exposure to MET during adolescence can increase the vulnerability to addiction-like behaviors and anxiety during adulthood. Our results reinforce the necessity of a more efficient system to control MET indiscriminate use, thus avoiding its potential tardive addictive effects.
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Affiliation(s)
| | - Henrique Sousa Reis
- Department of Health Sciences, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA, Brazil
| | - Matheus Libarino-Santos
- Department of Health Sciences, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA, Brazil
| | | | | | - Alexia Dos Anjos-Santos
- Department of Health Sciences, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA, Brazil
| | - Thaynara Silva Oliveira
- Department of Health Sciences, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BA, Brazil
| | | | - Camilla L Patti
- Department of Pharmacology, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
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Dopaminergic Control of Striatal Cholinergic Interneurons Underlies Cocaine-Induced Psychostimulation. Cell Rep 2021; 31:107527. [PMID: 32320647 DOI: 10.1016/j.celrep.2020.107527] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 02/17/2020] [Accepted: 03/26/2020] [Indexed: 12/11/2022] Open
Abstract
Cocaine drastically elevates dopamine (DA) levels in the striatum, a brain region that is critical to the psychomotor and rewarding properties of the drug. DA signaling regulates intrastriatal circuits connecting medium spiny neurons (MSNs) with afferent fibers and interneurons. While the cocaine-mediated increase in DA signaling on MSNs is well documented, that on cholinergic interneurons (ChIs) has been more difficult to assess. Using combined pharmacological, chemogenetic, and cell-specific ablation approaches, we reveal that the D2R-dependent inhibition of acetylcholine (ACh) signaling is fundamental to cocaine-induced changes in behavior and the striatal genomic response. We show that the D2R-dependent control of striatal ChIs enables the motor, sensitized, and reinforcing properties of cocaine. This study highlights the importance of the DA- and D2R-mediated inhibitory control of ChIs activity in the normal functioning of striatal networks.
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44
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O'Brien B, Lijffijt M, Lee J, Kim YS, Wells A, Murphy N, Ramakrishnan N, Swann AC, Mathew SJ. Distinct trajectories of antidepressant response to intravenous ketamine. J Affect Disord 2021; 286:320-329. [PMID: 33770540 DOI: 10.1016/j.jad.2021.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/25/2021] [Accepted: 03/02/2021] [Indexed: 12/29/2022]
Abstract
BACKGROUND The N-methyl-D-aspartate receptor antagonist ketamine is potentially effective in treatment resistant depression. However, its antidepressant efficacy is highly variable, and there is little information about predictors of response. METHODS We employed growth mixture modeling (GMM) analysis to examine specific response trajectories to intravenous (IV) ketamine (three infusions; mean dose 0.63 mg/kg, SD 0.28, range 0.30 - 2.98 mg/kg over 40 min) in 328 depressed adult outpatients referred to a community clinic. The Quick Inventory of Depressive Symptomatology-Self-Report (QIDS-SR) assessed depression severity at baseline and before each infusion, up to three infusions for four total observations. RESULTS GMM revealed three QIDS-SR response trajectories. There were two groups of severely depressed patients, with contrasting responses to ketamine. One group (n=135, baseline QIDS-SR=18.8) had a robust antidepressant response (final QIDS-SR=7.3); the other group (n=97, QIDS-SR=19.8) was less responsive (final QIDS-SR=15.6). A third group (n=96) was less severely depressed at baseline (QIDS-SR=11.7), with intermediate antidepressant response (final QIDS-SR=6.6). Comparisons of demographic and clinical characteristics between groups with severe baseline depression revealed higher childhood physical abuse in the group with robust ketamine response (p=0.01). LIMITATIONS This was a retrospective analysis on a naturalistic sample. Patients were unblinded and more heterogenous than those included in most controlled clinical trial samples. Information pertaining to traumatic events occurring after childhood and pre-existing or concurrent medical conditions that may have affected outcomes was not available. CONCLUSIONS Overall, ketamine's effect in patients with severe baseline depression and history of childhood maltreatment may be consistent with ketamine-induced blockade of behavioral sensitization.
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Affiliation(s)
- Brittany O'Brien
- Michael E. DeBakey VA Medical Center, 2002 Holcomb Boulevard, Houston, TX, 77030, USA; Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA. brittany.o'
| | - Marijn Lijffijt
- Michael E. DeBakey VA Medical Center, 2002 Holcomb Boulevard, Houston, TX, 77030, USA; Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA
| | - Jaehoon Lee
- Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA; Texas Tech University, Department of Educational Psychology and Leadership, 2500 Broadway, Lubbock, TX, 79409, USA; The Menninger Clinic, 12301 S Main Street, Houston, TX, 77035, USA
| | - Ye Sil Kim
- Texas Tech University, Department of Educational Psychology and Leadership, 2500 Broadway, Lubbock, TX, 79409, USA
| | - Allison Wells
- Lone Star Infusion, PLLC, 14740 Barryknoll Lane, Houston, TX, 77079, USA; Baylor College of Medicine, Department of Anesthesiology, One Baylor Plaza, Houston, TX, 77030, USA
| | - Nicholas Murphy
- Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA; The Menninger Clinic, 12301 S Main Street, Houston, TX, 77035, USA
| | - Nithya Ramakrishnan
- Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA
| | - Alan C Swann
- Michael E. DeBakey VA Medical Center, 2002 Holcomb Boulevard, Houston, TX, 77030, USA; Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA
| | - Sanjay J Mathew
- Michael E. DeBakey VA Medical Center, 2002 Holcomb Boulevard, Houston, TX, 77030, USA; Baylor College of Medicine, Menninger Department of Psychiatry and Behavioral Sciences, 1977 Butler Boulevard, Houston, TX, 77030, USA; The Menninger Clinic, 12301 S Main Street, Houston, TX, 77035, USA
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Aydin C, Frohmader K, Emery M, Blandino P, Akil H. Chronic stress in adolescence differentially affects cocaine vulnerability in adulthood in a selectively bred rat model of individual differences: role of accumbal dopamine signaling. Stress 2021; 24:251-260. [PMID: 32748678 PMCID: PMC7858685 DOI: 10.1080/10253890.2020.1790520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Stress during adolescence has profound effects on the onset and severity of substance use later in life. However, not everyone with adverse experiences during this period will go on to develop a substance use disorder in adulthood, and the factors that alter susceptibility to substance use remain unknown. Here, we investigated individual differences in response to stress and drugs of abuse using our selectively bred high-responder (bHR) and low-responder (bLR) rats. These animals model extremes of temperamental tendencies and differ dramatically in both stress responsiveness and addiction-related traits. The present study investigated how environmental interventions in the form of a chronic variable stress (CVS) regimen in early adolescence interact with the bHR/bLR phenotype to alter behavioral sensitization to cocaine in adulthood. We also determined whether accumbal dopamine signaling is involved in the interaction of stress history and cocaine by assessing the mRNA levels of dopamine D1 (D1R) and D2 (D2R) receptors. Our results showed that CVS history alone had enduring and phenotype-specific effects on accumbal dopamine signaling. Importantly, adolescent stress had opposing effects in the two lines- decreasing the locomotor response to cocaine challenge in bHRs but increasing this measure in bLRs. Moreover, these opposing effects on cocaine sensitivity following adolescent CVS were accompanied by parallel effects in the accumbal dopamine system, with prior stress and cocaine exposure interacting to decrease D2R mRNA in bHRs but increase it in bLRs. Overall, these findings indicate that environmental challenges encountered in adolescence interact with genetic background to alter vulnerability to cocaine later in life.Lay SummaryStress experienced during adolescence affects the onset and severity of drug dependence later in life. However, not everyone with adverse experiences during this period will go on to develop SUD in adulthood. Using a rat model of innate differences in emotional reactivity, this study shows that the interplay between individual temperament and previous experience of adolescent stress/trauma determines whether an individual will be vulnerable or resilient to develop SUDs later in life. In addition, the present study shows that the dopamine D2 receptor in the brain's reward center, nucleus accumbens, may be implicated in this interplay.
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Affiliation(s)
- Cigdem Aydin
- Michigan Neuroscience Institute, University of Michigan School of Medicine, Ann Arbor, MI, USA
| | - Karla Frohmader
- Michigan Neuroscience Institute, University of Michigan School of Medicine, Ann Arbor, MI, USA
| | - Michael Emery
- Michigan Neuroscience Institute, University of Michigan School of Medicine, Ann Arbor, MI, USA
| | - Peter Blandino
- Michigan Neuroscience Institute, University of Michigan School of Medicine, Ann Arbor, MI, USA
| | - Huda Akil
- Michigan Neuroscience Institute, University of Michigan School of Medicine, Ann Arbor, MI, USA
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Single Exposure to Cocaine Impairs Reinforcement Learning by Potentiating the Activity of Neurons in the Direct Striatal Pathway in Mice. Neurosci Bull 2021; 37:1119-1134. [PMID: 33905097 DOI: 10.1007/s12264-021-00687-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/22/2021] [Indexed: 12/27/2022] Open
Abstract
Plasticity in the glutamatergic synapses on striatal medium spiny neurons (MSNs) is not only essential for behavioral adaptation but also extremely vulnerable to drugs of abuse. Modulation on these synapses by even a single exposure to an addictive drug may interfere with the plasticity required by behavioral learning and thus produce impairment. In the present work, we found that the negative reinforcement learning, escaping mild foot-shocks by correct nose-poking, was impaired by a single in vivo exposure to 20 mg/kg cocaine 24 h before the learning in mice. Either a single exposure to cocaine or reinforcement learning potentiates the glutamatergic synapses on MSNs expressing the striatal dopamine 1 (D1) receptor (D1-MSNs). However, 24 h after the cocaine exposure, the potentiation required for reinforcement learning was disrupted. Specific manipulation of the activity of striatal D1-MSNs in D1-cre mice demonstrated that activation of these MSNs impaired reinforcement learning in normal D1-cre mice, but inhibition of these neurons reversed the reinforcement learning impairment induced by cocaine. The results suggest that cocaine potentiates the activity of direct pathway neurons in the dorsomedial striatum and this potentiation might disrupt the potentiation produced during and required for reinforcement learning.
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Minhas M, Limebeer CL, Strom E, Parker LA, Leri F. High fructose corn syrup alters behavioural and neurobiological responses to oxycodone in rats. Pharmacol Biochem Behav 2021; 205:173189. [PMID: 33845083 DOI: 10.1016/j.pbb.2021.173189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 04/05/2021] [Accepted: 04/06/2021] [Indexed: 11/30/2022]
Abstract
There are indications that sugars in the diet can play a role in vulnerability to opioid abuse. The current study examined a range of neuro-behavioural interactions between oxycodone (OXY) and high fructose corn syrup (HFCS). Male Sprague-Dawley rats had access to HFCS (0 or 50%) over 26 days in their home cages and were subsequently tested on place conditioning induced by 0, 0.16 and 2.5 mg/kg OXY (3 pairings of drug and saline, each 30 min), as well as on locomotor responses to 0, 0.16 and 2.5 mg/kg OXY, and in-vivo microdialysis was employed to measure dopamine (DA) levels in the nucleus accumbens (NAc) in response to 0 and 2.5 mg/kg OXY. A complex set of interactions between HFCS exposure and responses to OXY were observed: HFCS increased place preference induced by OXY, it enhanced the suppressant effect of OXY on locomotion, and it attenuated OXY-induced elevation in DA overflow in the NAc. Taken together, these findings suggest that nutrition has the potential to influence some responses to opioids which may be relevant to their abuse.
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Affiliation(s)
- Meenu Minhas
- Department of Psychology, University of Guelph, Ontario N1G 2W1, Canada
| | - Cheryl L Limebeer
- Department of Psychology, University of Guelph, Ontario N1G 2W1, Canada
| | - Evan Strom
- Department of Psychology, University of Guelph, Ontario N1G 2W1, Canada
| | - Linda A Parker
- Department of Psychology, University of Guelph, Ontario N1G 2W1, Canada
| | - Francesco Leri
- Department of Psychology, University of Guelph, Ontario N1G 2W1, Canada.
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Kitchenham L, Mason GJ. The neurobiology of environmentally induced stereotypic behaviours in captive animals: assessing the basal ganglia pathways and cortico-striatal-thalamo-cortical circuitry hypotheses. BEHAVIOUR 2021. [DOI: 10.1163/1568539x-bja10084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Abstract
The neurobiology of environmentally induced stereotypic behaviours (SBs) (e.g., pacing in zoo carnivores, crib-biting in horses, tail chasing in dogs) is hypothesized to involve altered functioning within the basal ganglia (‘Basal Ganglia (BG) Pathways Hypotheses’) and/or between the basal ganglia and cortex (‘Cortico-Striatal-Thalamo-Cortical (CSTC) Circuits Hypotheses’). We review four decades of relevant studies, critically assessing support for both hypotheses. Currently no BG Pathways or CSTC Circuits hypothesis is fully supported. While some results are partially consistent with some hypotheses (decreased subthalamic nucleus activity in deer mice and C58 mice); others (nucleus accumbens activity in mink and C57 mice) seem to reflect individual differences in SB, but not environmental effects. Yet others can be tentatively rejected: neither elevated striatal dopamine nor the cortico-striatal connection of the sensorimotor circuit seem to be involved for most species studied to date. Further research is now important for understanding the impact of captivity on animals’ functioning.
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Affiliation(s)
- Lindsey Kitchenham
- Department of Animal Biosciences, University of Guelph, Guelph, ON, Canada
| | - Georgia J. Mason
- Department of Integrative Biology, University of Guelph, Guelph, ON, Canada
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Hunker AC, Soden ME, Krayushkina D, Heymann G, Awatramani R, Zweifel LS. Conditional Single Vector CRISPR/SaCas9 Viruses for Efficient Mutagenesis in the Adult Mouse Nervous System. Cell Rep 2021; 30:4303-4316.e6. [PMID: 32209486 PMCID: PMC7212805 DOI: 10.1016/j.celrep.2020.02.092] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 01/27/2020] [Accepted: 02/25/2020] [Indexed: 11/22/2022] Open
Abstract
Mice engineered for conditional, cell type-specific gene inactivation have dominated the field of mouse genetics because of the high efficiency of Cre-loxP-mediated recombination. Recent advances in CRISPR/Cas9 technologies have provided alternatives for rapid gene mutagenesis for loss-of-function (LOF) analysis. Whether these strategies can be streamlined for rapid genetic analysis with the efficiencies comparable with those of conventional genetic approaches has yet to be established. We show that a single adeno-associated viral (AAV) vector containing a recombinase-dependent Staphylococcus aureus Cas9 (SaCas9) and a single guide RNA (sgRNA) are as efficient as conventional conditional gene knockout and can be adapted for use in either Cre- or Flp-driver mouse lines. The efficacy of this approach is demonstrated for the analysis of GABAergic, glutamatergic, and monoaminergic neurotransmission. Using this strategy, we reveal insight into the role of GABAergic regulation of midbrain GABA-producing neurons in psychomotor activation. Hunker et al. generate single adeno-associated viral vectors for conditional gene mutagenesis in the adult mouse nervous system with efficiencies equivalent to those of conventional gene inactivation strategies. On the basis of this efficacy, they provide a resource of Cre- and Flp-dependent constructs for targeting catecholamine, glutamate, and GABA neurotransmission.
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Affiliation(s)
- Avery C Hunker
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Marta E Soden
- Department of Pharmacology, University of Washington, Seattle, WA 98195, USA
| | - Dasha Krayushkina
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA
| | - Gabriel Heymann
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA
| | | | - Larry S Zweifel
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, WA 98195, USA; Department of Pharmacology, University of Washington, Seattle, WA 98195, USA.
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50
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Antelman SM. Time-Dependent Sensitization in Animals: A Possible Model of Multiple Chemical Sensitivity in Humans. Toxicol Ind Health 2021. [DOI: 10.1177/074823379401000508] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
It of ten happens in science that clues to the nature of a problem under study come from a completely different, seemingly unrelated, line of investigation. This may be the case with MCS and Time-Dependent Sensitization (TDS), a phenomenon we discovered in rats in the late 1970s and later named. TDS refers to the ability of mild stressors whether pharmacological or environmental to induce physiological and behavioral effects which then progress, i.e., get stronger, entirely as a function of the passage of time since stressor presentation. This strengthening is revealed when the organism is later exposed to either the original or another stressor. The characteristics of TDS bear a remarkable resemblance to the features of MCS and that similarity is the subject of this manuscript.
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Affiliation(s)
- Seymour M. Antelman
- Department of Psychiatry Western Psychiatric Institute and Clinic University of
Pittsburgh School of Medicine Pittsburgh, Pennsylvania
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