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Kitagawa Y, Maloney SK, Pool KR, Webster D, Ohkura S, Blache D, Ding L. Behavioural and physiological responses to stressors in sheep with temperament classified by genotype or phenotype. Sci Rep 2024; 14:8147. [PMID: 38584170 PMCID: PMC10999442 DOI: 10.1038/s41598-024-58959-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: 12/04/2023] [Accepted: 04/04/2024] [Indexed: 04/09/2024] Open
Abstract
The single nucleotide polymorphism (SNP) rs107856856, located in the tryptophan hydroxylase-2 gene, is associated with the behavioural phenotype for sheep temperament measured at weaning. Here, we tested the association between that SNP and physiological and behavioural responses to stressors in adult sheep. Two groups of adult sheep, one with genotype A/A (calm genotype) and the other with G/G (nervous genotype) in rs107856856, were selected from 160 sheep and were exposed, twice, to an open-field arena and an isolation box test (IBT). During each repeat, the behaviour and physiological responses (cortisol, prolactin, dehydroepiandrosterone [DHEA], brain derived neurotrophic factor [BDNF], characteristics of the response of body temperature, and oxidative stress) were measured. The behavioural and physiological responses of the sheep were compared between genotypes and also between groups classified on their phenotype as assessed by their initial isolation box score ("low responders" and "high responders"). The SNP rs107856856 had some effects on the behavioural phenotype (IBT score) but no effects on the physiological response to stress (cortisol, prolactin, DHEA, BDNF, oxidative stress or changes in body temperature) in the adult sheep, probably because the sheep were exposed, and therefore had adapted, to human contact during their life.
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Affiliation(s)
- Yuri Kitagawa
- Laboratory of Animal Production Science, Graduate School of Bioagricultural Sciences, Nagoya University, Togo-cho, Aichi, Japan
- School of Agriculture and Environment, M087, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia
| | - Shane K Maloney
- School of Human Sciences, M309, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia
| | - Kelsey R Pool
- School of Agriculture and Environment, M087, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia
| | - Dane Webster
- School of Human Sciences, M309, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia
| | - Satoshi Ohkura
- Laboratory of Animal Production Science, Graduate School of Bioagricultural Sciences, Nagoya University, Togo-cho, Aichi, Japan
| | - Dominique Blache
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
- School of Agriculture and Environment, M087, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia.
| | - Luoyang Ding
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China.
- School of Agriculture and Environment, M087, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia.
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Lima PM, Reis TO, Wanner SP, Chianca-Jr DA, Menezes RC. The role of peripheral transient receptor potential vanilloid 1 channels in stress-induced hyperthermia in rats subjected to an anxiogenic environment. J Therm Biol 2022; 106:103191. [DOI: 10.1016/j.jtherbio.2022.103191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 11/26/2021] [Accepted: 01/19/2022] [Indexed: 10/19/2022]
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3
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PiDose: an open-source system for accurate and automated oral drug administration to group-housed mice. Sci Rep 2020; 10:11584. [PMID: 32665577 PMCID: PMC7360602 DOI: 10.1038/s41598-020-68477-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 06/25/2020] [Indexed: 12/31/2022] Open
Abstract
Drug treatment studies in laboratory mice typically employ manual administration methods such as injection or gavage, which can be time-consuming to perform over long periods and cause substantial stress in animals. These stress responses may mask or enhance treatment effects, increasing the risk of false positive or negative results and decreasing reliability. To address the lack of an automated method for drug treatment in group-housed mice, we have developed PiDose, a home-cage attached device that weighs individual animals and administers a daily dosage of drug solution based on each animal’s bodyweight through their drinking water. Group housed mice are identified through the use of RFID tagging and receive both regular water and drug solution drops by licking at a spout within the PiDose module. This system allows animals to be treated over long periods (weeks to months) in a fully automated fashion, with high accuracy and minimal experimenter interaction. PiDose is low-cost and fully open-source and should prove useful for researchers in both translational and basic research.
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Améndola L, Ratuski A, Weary DM. Variation in the onset of CO 2-induced anxiety in female Sprague Dawley rats. Sci Rep 2019; 9:19007. [PMID: 31831816 PMCID: PMC6908729 DOI: 10.1038/s41598-019-55493-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Accepted: 11/26/2019] [Indexed: 12/27/2022] Open
Abstract
Carbon dioxide (CO2) is commonly used to kill laboratory rats. Rats find CO2 aversive and aversion varies between individuals, indicating that rats vary in CO2 sensitivity. Healthy humans experience feelings of anxiety at concentrations similar to those avoided by rats, and these feelings are diminished by the administration of benzodiazepines. Our aim was to assess the effects of the benzodiazepine midazolam on individual thresholds of rat aversion to CO2. Six female Sprague Dawley rats were repeatedly exposed to CO2 gradual-fill in approach-avoidance testing. The first three exposures were to a control-treatment followed by three exposures to midazolam (0.375 mg/kg). Within each treatment aversion to CO2 was not affected by exposure number; however, tolerance increased from an average of 10.7% CO2 avoided during control sessions, to 15.5% CO2 avoided when treated with midazolam. These results indicate that rats experience anxiety when exposed to CO2, and that variation in rat CO2 sensitivity is driven by individual differences in the onset of these feelings of anxiety. No rat tolerated CO2 concentrations required to induce loss of consciousness.
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Affiliation(s)
- Lucía Améndola
- Animal Welfare Program, University of British Columbia, 2357 Main Mall, Vancouver, British Columbia, V6T 1Z4, Canada
| | - Anna Ratuski
- Animal Welfare Program, University of British Columbia, 2357 Main Mall, Vancouver, British Columbia, V6T 1Z4, Canada
| | - Daniel M Weary
- Animal Welfare Program, University of British Columbia, 2357 Main Mall, Vancouver, British Columbia, V6T 1Z4, Canada.
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Frye CCJ, Rung JM, Nall RW, Galizio A, Haynes JM, Odum AL. Continuous nicotine exposure does not affect resurgence of alcohol seeking in rats. PLoS One 2018; 13:e0202230. [PMID: 30110388 PMCID: PMC6093676 DOI: 10.1371/journal.pone.0202230] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 07/29/2018] [Indexed: 11/19/2022] Open
Abstract
Alcohol is the most commonly used drug in the United States and alcohol abuse can lead to alcohol use disorder. Alcohol use disorder is a persistent condition and relapse rates following successful remission are high. Many factors have been associated with relapse for alcohol use disorder, but identification of these factors has not been well translated into preventative utility. One potentially important factor, concurrent nicotine use, has not been well investigated as a causal factor in relapse for alcohol use disorder. Nicotine increases the value of other stimuli in the environment and may increase the value of alcohol. If nicotine increases the value of alcohol, then nicotine use during and after treatment may make relapse more probable. In the current study, we investigated the effect of continuous nicotine exposure (using osmotic minipumps to deliver nicotine or saline, depending on group, at a constant rate for 28 days) on resurgence of alcohol seeking in rats. Resurgence is a type of relapse preparation that consists of three phases: Baseline, Alternative Reinforcement, and Resurgence Testing. During Baseline, target responses produced a dipper of alcohol. During Alternative Reinforcement, target responses were extinguished and responses on a chain produced a chocolate pellet. During Resurgence Testing, responses on the chain were also extinguished and a return to responding on the target lever was indicative of resurgence. Multilevel modeling was used to analyze the effect of nicotine on resurgence. Both the nicotine and saline group showed resurgence of alcohol seeking, but there was no difference in the degree of resurgence across groups. Future directions could involve testing alternative drug delivery techniques.
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Affiliation(s)
- Charles C. J. Frye
- Department of Psychology, Utah State University, Logan, Utah, United States of America
| | - Jillian M. Rung
- Department of Psychology, Utah State University, Logan, Utah, United States of America
| | - Rusty W. Nall
- Department of Psychology, Utah State University, Logan, Utah, United States of America
| | - Ann Galizio
- Department of Psychology, Utah State University, Logan, Utah, United States of America
| | - Jeremy M. Haynes
- Department of Psychology, Utah State University, Logan, Utah, United States of America
| | - Amy L. Odum
- Department of Psychology, Utah State University, Logan, Utah, United States of America
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Machado NLS, Abbott SBG, Resch JM, Zhu L, Arrigoni E, Lowell BB, Fuller PM, Fontes MAP, Saper CB. A Glutamatergic Hypothalamomedullary Circuit Mediates Thermogenesis, but Not Heat Conservation, during Stress-Induced Hyperthermia. Curr Biol 2018; 28:2291-2301.e5. [PMID: 30017482 DOI: 10.1016/j.cub.2018.05.064] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 05/11/2018] [Accepted: 05/22/2018] [Indexed: 11/30/2022]
Abstract
Stress elicits a variety of autonomic responses, including hyperthermia (stress fever) in humans and animals. In this present study, we investigated the circuit basis for thermogenesis and heat conservation during this response. We first demonstrated the glutamatergic identity of the dorsal hypothalamic area (DHAVglut2) neurons that innervate the raphe pallidus nucleus (RPa) to regulate core temperature (Tc) and mediate stress-induced hyperthermia. Then, using chemogenetic and optogenetic methods to manipulate this hypothalamomedullary circuit, we found that activation of DHAVglut2 neurons potently drove an increase in Tc, but surprisingly, stress-induced hyperthermia was only reduced by about one-third when they were inhibited. Further investigation showed that DHAVglut2 neurons activate brown adipose tissue (BAT) but do not cause vasoconstriction, instead allowing reflex tail artery vasodilation as a response to BAT-induced hyperthermia. Retrograde rabies virus tracing revealed projections from DHAVglut2 neurons to RPaVglut3, but not to RPaGABA neurons, and identified a set of inputs to DHAVglut2 → RPa neurons that are likely to mediate BAT activation. The dissociation of the DHAVglut2 thermogenic pathway from the thermoregulatory vasoconstriction (heat-conserving) pathway may explain stress flushing (skin vasodilation but a feeling of being too hot) during stressful times.
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Affiliation(s)
- Natalia L S Machado
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA; Department of Physiology and Biophysics, Federal University of Minas Gerais, Antonio Carlos Avenue, Belo Horizonte 31270-901, Brazil
| | - Stephen B G Abbott
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA; Department of Pharmacology, University of Virginia, Jefferson Park Avenue, Charlottesville, VA 22908, USA
| | - Jon M Resch
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA
| | - Lin Zhu
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA
| | - Elda Arrigoni
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA
| | - Bradford B Lowell
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA
| | - Patrick M Fuller
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA
| | - Marco A P Fontes
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Antonio Carlos Avenue, Belo Horizonte 31270-901, Brazil
| | - Clifford B Saper
- Department of Neurology, Beth Israel-Deaconess Medical Center, Harvard Medical School, Blackfan Circle, Boston, MA 02215, USA.
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Kračmarová A, Banďouchová H, Pikula J, Pohanka M. Effect of Intramuscular Injection on Oxidative Homeostasis in Laboratory Guinea Pig Model. ACTA MEDICA (HRADEC KRÁLOVÉ) 2016; 59:59-63. [PMID: 27526307 DOI: 10.14712/18059694.2016.90] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
In animal models, there was observed alteration of various physiological processes caused by microtraumas. Here reported experiment was aimed on the research of link between injection and development of an oxidative imbalance. Laboratory guinea pig was chosen as a suitable model for examining of the oxidative stress. Markers indicating oxidative homeostasis were assayed in the frontal, temporal and occipital brain lobe, cerebellum, liver, kidney, spleen and heart one hour after an intramuscular injection. Common biochemical parameters were measured in plasma samples as well. The most extensive effect was observed in the heart where the thiobarbituric acid reactive substances value was more than twice increased after the injection. The level of carbonylated proteins was significantly elevated in the kidney and ferric reducing antioxidant power value was increased in the brain compartments. The enzyme activities in the organs were not influenced except the activity of superoxide dismutase, which was moderately decreased in the brain. In the plasma samples, there was observed increase of the blood urea nitrogen. The results showed significant the influence of the intramuscular injection on a development of an oxidative insult. The injection can be considered as an adverse effect with quite extensive stress consequences.
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Affiliation(s)
- Alžběta Kračmarová
- Department of Toxicology and Military Pharmacy, Faculty of Military Health Sciences, University of Defence, Hradec Králové, Czech Republic
| | - Hana Banďouchová
- Department of Ecology and Diseases of Game, Fish and Bees, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - Jiří Pikula
- Department of Ecology and Diseases of Game, Fish and Bees, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
| | - Miroslav Pohanka
- Department of Molecular Pathology and Biology, Faculty of Military Health Sciences, University of Defence, Hradec Králové, Czech Republic.
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8
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Besson M, Forget B. Cognitive Dysfunction, Affective States, and Vulnerability to Nicotine Addiction: A Multifactorial Perspective. Front Psychiatry 2016; 7:160. [PMID: 27708591 PMCID: PMC5030478 DOI: 10.3389/fpsyt.2016.00160] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 09/06/2016] [Indexed: 11/17/2022] Open
Abstract
Although smoking prevalence has declined in recent years, certain subpopulations continue to smoke at disproportionately high rates and show resistance to cessation treatments. Individuals showing cognitive and affective impairments, including emotional distress and deficits in attention, memory, and inhibitory control, particularly in the context of psychiatric conditions, such as attention-deficit hyperactivity disorder, schizophrenia, and mood disorders, are at higher risk for tobacco addiction. Nicotine has been shown to improve cognitive and emotional processing in some conditions, including during tobacco abstinence. Self-medication of cognitive deficits or negative affect has been proposed to underlie high rates of tobacco smoking among people with psychiatric disorders. However, pre-existing cognitive and mood disorders may also influence the development and maintenance of nicotine dependence, by biasing nicotine-induced alterations in information processing and associative learning, decision-making, and inhibitory control. Here, we discuss the potential forms of contribution of cognitive and affective deficits to nicotine addiction-related processes, by reviewing major clinical and preclinical studies investigating either the procognitive and therapeutic action of nicotine or the putative primary role of cognitive and emotional impairments in addiction-like features.
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Affiliation(s)
- Morgane Besson
- Unité de Neurobiologie Intégrative des Systèmes Cholinergiques, Department of Neuroscience, CNRS UMR 3571, Institut Pasteur , Paris , France
| | - Benoît Forget
- Unité de Neurobiologie Intégrative des Systèmes Cholinergiques, Department of Neuroscience, CNRS UMR 3571, Institut Pasteur , Paris , France
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Hall FS, Der-Avakian A, Gould TJ, Markou A, Shoaib M, Young JW. Negative affective states and cognitive impairments in nicotine dependence. Neurosci Biobehav Rev 2015; 58:168-85. [PMID: 26054790 DOI: 10.1016/j.neubiorev.2015.06.004] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 02/13/2015] [Accepted: 06/03/2015] [Indexed: 10/23/2022]
Abstract
Smokers have substantial individual differences in quit success in response to current treatments for nicotine dependence. This observation may suggest that different underlying motivations for continued tobacco use across individuals and nicotine cessation may require different treatments in different individuals. Although most animal models of nicotine dependence emphasize the positive reinforcing effects of nicotine as the major motivational force behind nicotine use, smokers generally report that other consequences of nicotine use, including the ability of nicotine to alleviate negative affective states or cognitive impairments, as reasons for continued smoking. These states could result from nicotine withdrawal, but also may be associated with premorbid differences in affective and/or cognitive function. Effects of nicotine on cognition and affect may alleviate these impairments regardless of their premorbid or postmorbid origin (e.g., before or after the development of nicotine dependence). The ability of nicotine to alleviate these symptoms would thus negatively reinforce behavior, and thus maintain subsequent nicotine use, contributing to the initiation of smoking, the progression to dependence and relapse during quit attempts. The human and animal studies reviewed here support the idea that self-medication for pre-morbid and withdrawal-induced impairments may be more important factors in nicotine addiction and relapse than has been previously appreciated in preclinical research into nicotine dependence. Given the diverse beneficial effects of nicotine under these conditions, individuals might smoke for quite different reasons. This review suggests that inter-individual differences in the diverse effects of nicotine associated with self-medication and negative reinforcement are an important consideration in studies attempting to understand the causes of nicotine addiction, as well as in the development of effective, individualized nicotine cessation treatments.
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Affiliation(s)
- F Scott Hall
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA.
| | - Andre Der-Avakian
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Thomas J Gould
- Department of Psychology, Temple University, Philadelphia, PA, USA
| | - Athina Markou
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | - Mohammed Shoaib
- Institute of Neuroscience, Newcastle University, Newcastle, UK
| | - Jared W Young
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA; Research Service, VA San Diego Healthcare System, San Diego, CA, USA
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Kovács KJ. CRH: The link between hormonal-, metabolic- and behavioral responses to stress. J Chem Neuroanat 2013; 54:25-33. [DOI: 10.1016/j.jchemneu.2013.05.003] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 05/15/2013] [Indexed: 02/06/2023]
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Olivas I, Villagrá A. Technical Note: Effect of handling on stress-induced hyperthermia in adult rabbits. WORLD RABBIT SCIENCE 2013. [DOI: 10.4995/wrs.2013.1178] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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12
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Wierońska JM, Acher FC, Sławińska A, Gruca P, Łasoń-Tyburkiewicz M, Papp M, Pilc A. The antipsychotic-like effects of the mGlu group III orthosteric agonist, LSP1-2111, involves 5-HT₁A signalling. Psychopharmacology (Berl) 2013; 227:711-25. [PMID: 23474845 PMCID: PMC3663209 DOI: 10.1007/s00213-013-3005-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 01/20/2013] [Indexed: 12/11/2022]
Abstract
RATIONALE Several studies have suggested that modulation of the glutamatergic system via metabotropic glutamate receptors (mGlu) could be a new way to achieve antipsychotic-like activity. LSP1-2111, the group III mGlu receptor orthosteric agonist, with a high affinity towards mGlu4 receptors, was previously shown to exhibit antipsychotic-like action in animal models displaying positive symptoms of schizophrenia. OBJECTIVES Here, we decided to investigate the possible role of LSP1-2111 in models of negative (social interaction) and cognitive (NOR) symptoms of psychosis. We also investigated the involvement of 5-HT1A receptors in the LSP1-2111-induced antipsychotic effects. Apart from the above-mentioned models of negative and cognitive symptoms, MK-801 and amphetamine-induced hyperactivity tests, plus the DOI-induced head twitches in mice as models for positive symptoms of psychosis, were used in this part of the investigations. RESULTS LSP1-2111 (0.5, 2, and 5 mg/ kg) dose-dependently inhibited MK-801-induced deficits in social interaction and NOR tests. The effects of the drug were antagonized by 5-HT1A antagonist, WAY100635 (0.1 mg/kg). A similar inhibition of LSP1-2111-induced effects was observed in models of positive symptoms of schizophrenia. Moreover, the concomitant administration of subeffective doses of LSP1-2111 (0.3-0.5 mg/kg) with a subeffective dose of 5-HT1A agonist, (R)-(+)-8-Hydroxy-DPAT (0.01 mg/kg), induced a clear antipsychotic-like effect in all of the procedures used. CONCLUSIONS Altogether, we propose that the activation of group III mGlu receptors may be a promising target for the development of novel antipsychotic drugs, towards not only positive but also negative and cognitive symptoms. The action of the compound is 5-HT1A-dependent.
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Affiliation(s)
- Joanna M. Wierońska
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Francine C. Acher
- Laboratoire de Chimie et Biochimie Pharmacologiques et Toxicologiques, UMR 8601 CNRS, Université Paris Descartes, Paris, France
| | - Anna Sławińska
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Piotr Gruca
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | | | - Mariusz Papp
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland
| | - Andrzej Pilc
- Institute of Pharmacology, Polish Academy of Sciences, 31-343 Kraków, Poland ,Medical College Faculty of Health Sciences, Jagiellonian University, 31-531 Kraków, Poland
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Mans C, Guzman DSM, Lahner LL, Paul-Murphy J, Sladky KK. Sedation and Physiologic Response to Manual Restraint After Intranasal Administration of Midazolam in Hispaniolan Amazon Parrots (Amazona ventralis). J Avian Med Surg 2012; 26:130-9. [DOI: 10.1647/2011-037r.1] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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14
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The effect of thermopreference on circadian thermoregulation in sprague-dawley and fisher 344 rats. J Therm Biol 2012. [DOI: 10.1016/j.jtherbio.2011.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Narain SS, Mirza NR, Olivier B, Vinkers CH. Kv7 channel modulators reduce the stress-induced hyperthermia response and cause locomotor sedation in rats. J Therm Biol 2012. [DOI: 10.1016/j.jtherbio.2011.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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16
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Hall FS, Markou A, Levin ED, Uhl GR. Mouse models for studying genetic influences on factors determining smoking cessation success in humans. Ann N Y Acad Sci 2012; 1248:39-70. [PMID: 22304675 DOI: 10.1111/j.1749-6632.2011.06415.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Humans differ in their ability to quit using addictive substances, including nicotine, the major psychoactive ingredient in tobacco. For tobacco smoking, a substantial body of evidence, largely derived from twin studies, indicates that approximately half of these individual differences in ability to quit are heritable genetic influences that likely overlap with those for other addictive substances. Both twin and molecular genetic studies support overlapping influences on nicotine addiction vulnerability and smoking cessation success, although there is little formal analysis of the twin data that support this important point. None of the current datasets provides clarity concerning which heritable factors might provide robust dimensions around which individuals differ in ability to quit smoking. One approach to this problem is to test mice with genetic variations in genes that contain human variants that alter quit success. This review considers which features of quit success should be included in a comprehensive approach to elucidate the genetics of quit success, and how those features may be modeled in mice.
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Affiliation(s)
- F Scott Hall
- Molecular Neurobiology Branch, NIH-IRP, NIDA, Baltimore, Maryland 21224, USA
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Tang JS, Kiyatkin EA. Fluctuations in central and peripheral temperatures induced by intravenous nicotine: central and peripheral contributions. Brain Res 2011; 1383:141-53. [PMID: 21295014 DOI: 10.1016/j.brainres.2011.01.092] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2010] [Revised: 01/24/2011] [Accepted: 01/26/2011] [Indexed: 11/19/2022]
Abstract
Nicotine (NIC) is a highly addictive substance that interacts with different subtypes of nicotinic acetylcholine receptors widely distributed in the central and peripheral nervous systems. While the direct action of NIC on central neurons appears to be essential for its reinforcing properties, the role of peripheral actions of this drug remains a matter of controversy. In this study, we examined changes in locomotor activity and temperature fluctuations in the brain (nucleus accumbens and ventral tegmental area), temporal muscle, and skin induced by intravenous (iv) NIC at low human-relevant doses (10 and 30μg/kg) in freely moving rats. These effects were compared to those induced by social interaction, an arousing procedure that induces behavioral activation and temperature responses via pure neural mechanisms, and iv injections of a peripherally acting NIC analog, NIC pyrrolidine methiodide (NIC-PM) used at equimolar doses. We found that NIC at 30μg/kg induces a modest locomotor activation, rapid and strong decrease in skin temperature, and weak increases in brain and muscle temperature. While these effects were qualitatively similar to those induced by social interaction, they were much weaker and showed a tendency to increase with repeated drug administrations. In contrast, NIC-PM did not affect locomotion and induced much weaker than NIC increases in brain and muscle temperatures and decreases in skin temperature; these effects showed a tendency to be weaker with repeated drug administrations. Our data indicate that NIC's actions in the brain are essential to induce locomotor activation and brain and body hyperthermic responses. However, rapid peripheral action of NIC on sensory afferents could be an important factor in triggering its central effects, contributing to neural and physiological activation following repeated drug use.
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Affiliation(s)
- Jeremy S Tang
- Behavioral Neuroscience Branch, National Institute on Drug Abuse–Intramural Research Program, National Institutes of Health, DHHS,333 Cassell Drive, Baltimore, MD 21224, USA
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Drouet JB, Michel V, Peinnequin A, Alonso A, Fidier N, Maury R, Buguet A, Cespuglio R, Canini F. Metyrapone blunts stress-induced hyperthermia and increased locomotor activity independently of glucocorticoids and neurosteroids. Psychoneuroendocrinology 2010; 35:1299-310. [PMID: 20338692 DOI: 10.1016/j.psyneuen.2010.03.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2009] [Revised: 03/01/2010] [Accepted: 03/01/2010] [Indexed: 10/19/2022]
Abstract
Metyrapone, a cytochrome P(450) inhibitor used to inhibit corticosterone synthesis, triggers biological markers of stress and also reduces stress-induced anxiety-like behaviors. To address these controversial effects, 6 separate investigations were carried out. In a first set of investigations, abdominal temperature (T(abd)), spontaneous locomotor activity (A(S)) and electroencephalogram (EEG) were recorded in freely moving rats treated with either saline or 150 mg kg(-1) metyrapone. An increase in T(abd) and A(S) occurred in saline rats, while, metyrapone rats exhibited an immediate decrease, both variables returning to basal values 5h later. Concomitantly, the EEG spectral power increased in the gamma and beta 2 bands and decreased in the alpha frequency band, and the EMG spectral power increased. This finding suggests that metyrapone depressed stress-induced physiological response while arousing the animal. In a second step, restraint stress was applied 5h after injection. Metyrapone significantly blunted the stress-induced T(abd) and A(S) rise, without affecting the brain c-fos mRNA increase. Corticosterone (5 and 40 mg kg(-1)) injected concomitantly to metyrapone failed to reverse the observed metyrapone-induced effects in T(abd) and A(S). Finasteride (50 mg kg(-1)), which blocks neurosteroid production, was also unable to block these effects. In conclusion, metyrapone acutely reduced stress-induced physiological response in freely behaving rats independently from glucocorticoids and neurosteroids.
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Affiliation(s)
- Jean-Baptiste Drouet
- Département des environnements opérationnels, Institut de Recherche Biomédicale des Armées (IRBA-CRSSA), La Tronche, France.
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Hennessy MB, Deak T, Schiml-Webb PA, Carlisle CW, O'Brien E. Maternal separation produces, and a second separation enhances, core temperature and passive behavioral responses in guinea pig pups. Physiol Behav 2010; 100:305-10. [PMID: 20206192 DOI: 10.1016/j.physbeh.2010.02.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2009] [Revised: 02/16/2010] [Accepted: 02/25/2010] [Indexed: 10/19/2022]
Abstract
During separation in a novel cage, guinea pig pups exhibit passive behavior that appears due to increased proinflammatory activity. To determine if separation also produces a febrile response, the present study used telemetry to provide continuous core temperature measurement of pups exposed to a novel cage for 3h while either alone or with their mother on two consecutive days. Separation from the mother increased core temperature, with the clearest effects occurring early during separation the second day. The increased temperature was not associated with an increase in locomotor activity. Further, passive behavior during isolation exhibited pronounced sensitization from the first to second day of separation. These results show that separation produces an increase in core temperature in our testing situation, and suggest that this increase represents true fever. The findings also provide further support for the hypothesis that maternal separation induces aspects of an acute phase response in guinea pig pups. The potential role of proinflammatory activity in promoting change across days in temperature and behavior is discussed.
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Affiliation(s)
- Michael B Hennessy
- Department of Psychology, Wright State University, Dayton, OH 45435, USA.
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Effect of testing conditions on the propsychotic action of MK-801 on prepulse inhibition, social behaviour and locomotor activity. Physiol Behav 2010; 99:131-8. [DOI: 10.1016/j.physbeh.2009.11.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 10/30/2009] [Accepted: 11/09/2009] [Indexed: 10/20/2022]
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Vinkers CH, van Oorschot R, Olivier B, Groenink L. Stress-Induced Hyperthermia in the Mouse. ACTA ACUST UNITED AC 2009. [DOI: 10.1007/978-1-60761-303-9_8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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