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Tsedilin A, Borets L, Riabova O, Kazakova E, Tafeenko V, Makarov V. Determination of alkaloid-inspired molecule vindeburnol in rabbit plasma by UPLC-HRMS and its application to pharmacokinetic studies and preliminary metabolite identification. J Pharm Biomed Anal 2024; 239:115917. [PMID: 38101239 DOI: 10.1016/j.jpba.2023.115917] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/07/2023] [Accepted: 12/09/2023] [Indexed: 12/17/2023]
Abstract
The eburnamine-vincamine alkaloids exhibit a range of pharmacological activities. There is a limited understanding of the pharmacokinetics and pharmacodynamics of vindeburnol, a synthetic derivative of this chemical class of alkaloids. A fast and reliable UPLC-HRMS method was developed and validated to quantify vindeburnol in Soviet Chinchilla rabbit plasma from pharmacokinetics studies. An ultra-performance liquid chromatography system equipped with a Waters Acquity UPLC HSS T3 column was used for chromatographic separation by gradient elution with 0.1% (v/v) formic acid in water and acetonitrile. An Impact II QqTOF high-resolution mass spectrometer equipped with an Apollo II electrospray ionization source was used for analysis in positive mode; the ions [M+H]+m/z 269.1648 ± 0.003 and m/z 351.2067 ± 0.003 were monitored for vindeburnol and internal standard (vinpocetine), respectively. Preliminary metabolite profiling was also performed, and the pharmacokinetics of the identified metabolites were evaluated. The mean retention times for vindeburnol and vinpocetine were 2.0 and 3.5 min. The UPLC-HRMS method was validated with accuracy and precision within the 15% acceptance limit (8.2% and 11.0%, respectively). The mean extraction recovery value of vindeburnol from rabbit plasma was 77%. Pharmacokinetic evaluation of vindeburnol revealed that the compound is distributed rapidly with a short elimination half-life. Vindeburnol undergoes extensive first-pass metabolism and is metabolized into hydroxyvindeburnol and vindeburnol glucuronide.
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Affiliation(s)
- Andrey Tsedilin
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-1 Leninsky prospect, 119071 Moscow, Russia
| | - Lyudmila Borets
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-1 Leninsky prospect, 119071 Moscow, Russia
| | - Olga Riabova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-1 Leninsky prospect, 119071 Moscow, Russia
| | - Elena Kazakova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-1 Leninsky prospect, 119071 Moscow, Russia
| | - Victor Tafeenko
- Chemistry Department, Lomonosov Moscow State University, 1-3 Leninskie Gory, 119991 Moscow, Russia
| | - Vadim Makarov
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-1 Leninsky prospect, 119071 Moscow, Russia.
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Zubkov E, Riabova O, Zorkina Y, Egorova A, Ushakova V, Lepioshkin A, Novoselova E, Abramova O, Morozova A, Chekhonin V, Makarov V. Antidepressant-like Effect of the Eburnamine-Type Molecule Vindeburnol in Rat and Mouse Models of Ultrasound-Induced Depression. ACS Chem Neurosci 2024; 15:560-571. [PMID: 38216514 DOI: 10.1021/acschemneuro.3c00590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2024] Open
Abstract
Vindeburnol (VIND, RU24722, BC19), a synthetic molecule derived from the eburnamine-vincamine alkaloid group, has many neuropsychopharmacological effects, but its antidepressant-like effects are poorly understood and have only been described in a few patents. To reliably estimate this effect, vindeburnol was studied in a model of long-term variable-frequency ultrasound (US) exposure at 20-45 kHz in male Wistar rats and BALB/c mice. Vindeburnol was administered chronically for 21 days against a background of simultaneous ultrasound exposure at a dose of 20 mg/kg intraperitoneally (IP). Using four behavioral tests, the sucrose preference test (SPT), the social interaction test (SIT), the open field test (OFT), and the forced swimming test (FST), we found that the treatment with the compound diminished depression-like symptoms in mice and rats. The compound restored the ultrasound-related reduced sucrose consumption to control levels and increased social interaction time in mice and rats compared with those in ultrasound-exposed animals. Vindeburnol showed contraversive results of horizontal and vertical activity in both species and generally did not increase locomotor activity. At the same time, the compound showed a specific effect in the FST, significantly reducing the immobility time. Moreover, we found an increase in norepinephrine, dopamine, and its metabolite levels in the brainstem, as well as an increase in dopamine, 3-methoxytyramine, and 3,4-dihydroxyphenylacetic acid levels in the striatum. We also observed a statistically significant increase in tyrosine hydroxylase (TH) levels in the region containing the locus coeruleus (LC). We suggest that using its distinct chemical structure and pharmacological activity as a starting point could boost antidepressant drug discovery.
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Affiliation(s)
- Eugene Zubkov
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Olga Riabova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Yana Zorkina
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Anna Egorova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Valeriya Ushakova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Alexander Lepioshkin
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Elena Novoselova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
| | - Olga Abramova
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Anna Morozova
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Vladimir Chekhonin
- V. Serbsky National Medical Research Center for Psychiatry and Narcology, 23 Kropotkinsky Pereulok, 119034 Moscow, Russia
| | - Vadim Makarov
- Federal Research Centre "Fundamentals of Biotechnology" of the Russian Academy of Sciences (Research Centre of Biotechnology RAS), 33-2 Leninsky Prospect, 119071 Moscow, Russia
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3
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Martucci LL, Cancela JM. Neurophysiological functions and pharmacological tools of acidic and non-acidic Ca2+ stores. Cell Calcium 2022; 104:102582. [DOI: 10.1016/j.ceca.2022.102582] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/07/2022] [Accepted: 03/23/2022] [Indexed: 02/08/2023]
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Chen X, Yu L, Wang H, Zhang W, Tang P, Chen F. Stereoselective total synthesis of (±)-vindeburnol and (±)-16- epi-vindeburnol. Chem Commun (Camb) 2021; 57:11669-11672. [PMID: 34672312 DOI: 10.1039/d1cc04980a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A concise stereoselective total synthesis of (±)-vindeburnol and its epimer (±)-16-epi-vindeburnol is presented. This synthetic work features the utilization of Baeyer-Villiger oxidation to install different types of lactone substrate, and a sequence of aminolysis, aldimine condensation and acyl-Pictet-Spengler to deliver the crucial trans-fused indoloquinolizidine scaffold with high-level diastereocontrol.
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Affiliation(s)
- Xiangtao Chen
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Lei Yu
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Huijing Wang
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Wen Zhang
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Pei Tang
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Fener Chen
- Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China. .,Engineering Center of Catalysis and Synthesis for Chiral Molecules, Department of Chemistry, Fudan University, Shanghai 200433, China.,Shanghai Engineering Center of Industrial Asymmetric Catalysis for Chiral Drugs, Shanghai 200433, China
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5
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Fang W, Wang X, Cai M, Liu X, Wang X, Lu W. Targeting GluN2B/NO Pathway Ameliorates Social Isolation-Induced Exacerbated Attack Behavior in Mice. Front Pharmacol 2021; 12:700003. [PMID: 34335265 PMCID: PMC8322622 DOI: 10.3389/fphar.2021.700003] [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: 04/25/2021] [Accepted: 06/21/2021] [Indexed: 11/13/2022] Open
Abstract
Exacerbated attack behavior has a profound socioeconomic impact and devastating social consequences; however, there is no satisfactory clinical management available for an escalated attack behavior. Social isolation (SI) is widespread during this pandemic and may exert detrimental effects on mental health, such as causing heightened attack behavior. To explore the therapeutic approaches that alleviate the SI-induced heightened attack behavior, we utilized pharmacological methods targeting the GluN2B/NO signaling pathway during the attack behavior. Ifenprodil and TAT-9C peptide targeting GluN2B showed that the inhibition of GluN2B mitigated the SI-induced escalated attack behavior and the SI-induced aberrant nitric oxide (NO) level in the brain. Additionally, the potentiation of the NO level by L-arginine reversed the effects of the inhibition of GluN2B. Moreover, we showed that high doses of L-NAME and 7-NI and subeffective doses of L-NAME in combination with ifenprodil or TAT-9C or subeffective doses of 7-NI plus ifenprodil or TAT-9C all decreased the SI-induced escalated attack behavior and reduced the NO level, further supporting the idea that GluN2B/NO signaling is a crucial modulator of the escalated attack behavior.
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Affiliation(s)
- Weiqing Fang
- Department of Pharmacy, School of Medicine, Women's Hospital, Zhejiang University, Hangzhou, China
| | - Xiaorong Wang
- Department of Pharmacy, School of Medicine, Women's Hospital, Zhejiang University, Hangzhou, China
| | - Miao Cai
- Department of Biochemistry and Molecular Biology, School of Basic Medicine and Life Sciences, Hainan Medical University, Haikou, China
| | - Xinxin Liu
- Department of Clinical Medicine, Hainan Medical University, Haikou, China
| | - Xuemeng Wang
- Department of Clinical Medicine, Hainan Medical University, Haikou, China
| | - Wen Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine and Life Sciences, Hainan Medical University, Haikou, China.,Key Laboratory of Molecular Biology, School of Basic Medicine and Life Sciences, Hainan Medical University, Haikou, China
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6
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Perea C, Vázquez-Ágredos A, Ruiz-Leyva L, Morón I, Zúñiga JM, Cendán CM. Caloric Restriction in Group-Housed Mice: Littermate and Sex Influence on Behavioral and Hormonal Data. Front Vet Sci 2021; 8:639187. [PMID: 33937370 PMCID: PMC8081842 DOI: 10.3389/fvets.2021.639187] [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: 12/08/2020] [Accepted: 03/18/2021] [Indexed: 11/13/2022] Open
Abstract
Much of the research done on aging, oxidative stress, anxiety, and cognitive and social behavior in rodents has focused on caloric restriction (CR). This often involves several days of single housing, which can cause numerous logistical problems, as well as cognitive and social dysfunctions. Previous results in our laboratory showed the viability of long-term CR in grouped rats. Our research has studied the possibility of CR in grouped female and male littermates and unrelated CB6F1/J (C57BL/6J × BALBc/J hybrid strain) mice, measuring: (i) possible differences in body mass proportions between mice in ad libitum and CR conditions (at 70% of ad libitum), (ii) aggressive behavior, using the number of pushes and chasing behavior time as an indicator and social behavior using the time under the feeder as indicator, and (iii) difference in serum adrenocorticotropic hormone (ACTH) concentrations (stress biomarker), under ad libitum and CR conditions. Results showed the impossibility of implementing CR in unrelated male mice. In all other groups, CR was possible, with a less aggressive behavior (measured only with the number of pushes) observed in the unrelated female mice under CR conditions. In that sense, the ACTH levels measured on the last day of CR showed no difference in stress levels. These results indicate that implementantion of long-term CR in mice can be optimized technically and also related to their well-being by grouping animals, in particular, related mice.
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Affiliation(s)
- Cristina Perea
- Center of Scientific Instrumentation, University of Granada, Granada, Spain
| | - Ana Vázquez-Ágredos
- Department of Psychobiology, Institute of Neurosciences, Center for Biomedical Research (CIBM), University of Granada, Granada, Spain
| | - Leandro Ruiz-Leyva
- Department of Pharmacology, Faculty of Medicine, Biomedical Research Center, Institute of Neuroscience, University of Granada, Parque Tecnológico de Ciencias de la Salud, Granada, Spain.,Biosanitary Research Institute ibs.GRANADA, Granada, Spain
| | - Ignacio Morón
- Department of Psychobiology, Faculty of Psychology, Center of Investigation of Mind, Brain, and Behavior, University of Granada, Granada, Spain
| | | | - Cruz Miguel Cendán
- Department of Pharmacology, Faculty of Medicine, Biomedical Research Center, Institute of Neuroscience, University of Granada, Parque Tecnológico de Ciencias de la Salud, Granada, Spain.,Biosanitary Research Institute ibs.GRANADA, Granada, Spain
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7
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Boukersi H, Lebaili N, Nosjean A, Samson N, Faure A, Granon S. Effects of water restriction on social behavior and 5-HT neurons density in the dorsal and median raphe nuclei in mice. Behav Brain Res 2020; 399:113022. [PMID: 33232678 DOI: 10.1016/j.bbr.2020.113022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/12/2020] [Accepted: 11/13/2020] [Indexed: 10/22/2022]
Abstract
We explored here the hypothesis that temporary chronic water restriction in mice affects social behavior, via its action on the density of 5-HT neurons in dorsal and median raphe nuclei (DRN and MRN). For that, we submitted adult C57BL/6 J mice to mild and controlled temporary dehydration, i.e., 6 h of water access every 48 h for 15 days. We investigated their social behavior in a social interaction task known to allow free and reciprocal social contact. Results showed that temporary dehydration increases significantly time spent in social contact and social dominance. It also expands 5-HT neuron density within both DRN and MRN and the behavioral and neuronal plasticity were positively correlated. Our findings suggest that disturbance in 5-HT neurotransmission caused by temporary dehydration stress unbalances choice processes of animals in social context.
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Affiliation(s)
- Houari Boukersi
- Department of Biology, Faculty of Natural Science and Life, Hassiba Benbouali University, Chlef, Algeria; Animal Ecophysiology Laboratory, Higher Normal School Elbachir El-Ibrahimi, Kouba, Algers, Algeria; Paris-Saclay Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS 9197, Orsay, France.
| | - Nemcha Lebaili
- Animal Ecophysiology Laboratory, Higher Normal School Elbachir El-Ibrahimi, Kouba, Algers, Algeria
| | - Anne Nosjean
- Paris-Saclay Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS 9197, Orsay, France
| | - Nathalie Samson
- Paris-Saclay Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS 9197, Orsay, France
| | - Alexis Faure
- Paris-Saclay Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS 9197, Orsay, France
| | - Sylvie Granon
- Paris-Saclay Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS 9197, Orsay, France
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8
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Martucci LL, Amar M, Chaussenot R, Benet G, Bauer O, de Zélicourt A, Nosjean A, Launay JM, Callebert J, Sebrié C, Galione A, Edeline JM, de la Porte S, Fossier P, Granon S, Vaillend C, Cancela JM. A multiscale analysis in CD38 -/- mice unveils major prefrontal cortex dysfunctions. FASEB J 2019; 33:5823-5835. [PMID: 30844310 DOI: 10.1096/fj.201800489r] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Autism spectrum disorder (ASD) is characterized by early onset of behavioral and cognitive alterations. Low plasma levels of oxytocin (OT) have also been found in ASD patients; recently, a critical role for the enzyme CD38 in the regulation of OT release was demonstrated. CD38 is important in regulating several Ca2+-dependent pathways, but beyond its role in regulating OT secretion, it is not known whether a deficit in CD38 expression leads to functional modifications of the prefrontal cortex (PFC), a structure involved in social behavior. Here, we report that CD38-/- male mice show an abnormal cortex development, an excitation-inhibition balance shifted toward a higher excitation, and impaired synaptic plasticity in the PFC such as those observed in various mouse models of ASD. We also show that a lack of CD38 alters social behavior and emotional responses. Finally, examining neuromodulators known to control behavioral flexibility, we found elevated monoamine levels in the PFC of CD38-/- adult mice. Overall, our study unveiled major changes in PFC physiologic mechanisms and provides new evidence that the CD38-/- mouse could be a relevant model to study pathophysiological brain mechanisms of mental disorders such as ASD.-Martucci, L. L., Amar, M., Chaussenot, R., Benet, G., Bauer, O., de Zélicourt, A., Nosjean, A., Launay, J.-M., Callebert, J., Sebrié, C., Galione, A., Edeline, J.-M., de la Porte, S., Fossier, P., Granon, S., Vaillend, C., Cancela, J.-M., A multiscale analysis in CD38-/- mice unveils major prefrontal cortex dysfunctions.
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Affiliation(s)
- Lora L Martucci
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France.,INSERM Unité 1179, Handicap Neuromusculaire: Physiologie, Biothérapie et Pharmacologie Appliquées, Unité de Formation et de Recherche (UFR) des Sciences de la Santé Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Montigny-le-Bretonneux, France
| | - Muriel Amar
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Remi Chaussenot
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Gabriel Benet
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Oscar Bauer
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France.,Génétique Humaine et Fonctions Cognitives, Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche (UMR) 3571, Gènes, Synapses et Cognition, CNRS, Institut Pasteur, Paris, France
| | - Antoine de Zélicourt
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France.,INSERM Unité 1179, Handicap Neuromusculaire: Physiologie, Biothérapie et Pharmacologie Appliquées, Unité de Formation et de Recherche (UFR) des Sciences de la Santé Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Montigny-le-Bretonneux, France
| | - Anne Nosjean
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | | | | | - Catherine Sebrié
- Imagerie par Résonance Magnétique Médicale et Multimodalité (IR4M) Centre National de la Recherche Scientifique (CNRS) Unité Mixte de Recherche (UMR) 8081, Paris-Sud University, Paris-Saclay University, CNRS, Orsay, France
| | - Antony Galione
- Department of Pharmacology, University of Oxford, Oxford, United Kingdom
| | - Jean-Marc Edeline
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Sabine de la Porte
- INSERM Unité 1179, Handicap Neuromusculaire: Physiologie, Biothérapie et Pharmacologie Appliquées, Unité de Formation et de Recherche (UFR) des Sciences de la Santé Simone Veil, Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Montigny-le-Bretonneux, France
| | - Philippe Fossier
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Sylvie Granon
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - Cyrille Vaillend
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
| | - José-Manuel Cancela
- Neuroscience Paris-Saclay Institute (Neuro-PSI), Unité Mixte de Recherche (UMR) 9197, Paris-Sud University, Paris-Saclay University, Orsay, France
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9
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Braun D, Feinstein DL. The locus coeruleus neuroprotective drug vindeburnol normalizes behavior in the 5xFAD transgenic mouse model of Alzheimer's disease. Brain Res 2017; 1702:29-37. [PMID: 29274883 DOI: 10.1016/j.brainres.2017.12.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 12/18/2017] [Accepted: 12/19/2017] [Indexed: 02/06/2023]
Abstract
Damage to noradrenergic neurons in the Locus coeruleus (LC) occurs contributes to neuropathology and behavioral deficits in Alzheimer's disease (AD); methods to reduce LC damage may therefore be of benefit. We previously showed that vindeburnol, a derivative of the plant alkaloid vincamine, reduced neuroinflammation, amyloid burden, and LC damage in a mouse model of AD; however, effects on behavior were not tested. We now tested the effects of vindeburnol on anxiety-like behavior in 5xFAD mice which develop robust amyloid burden at early ages. During novel object recognition testing, we observed that 5xFAD mice spent more time exploring than wildtype littermates, and that time was reduced by vindeburnol. Vindeburnol also reduced hyperlocomotion in the 5xFAD mice which may have contributed to their increased exploration times. In an open field test, vindeburnol normalized the increase of time spent in the center, and the decrease of time spent near the walls in 5xFAD mice. Vindeburnol reduced amyloid burden in the hippocampus and cortex, areas that contribute to regulation of anxiety-like behavior. In vitro, vindeburnol increased neuronal BDNF expression in a cAMP-dependent manner; and inhibited phosphodiesterase activity with an EC50 near 50 μM. These findings suggest that cAMP-mediated increases in neurotrophic factors contribute to beneficial effects of vindeburnol within the context of LC damage, which may be of value for treatment of some neuropsychiatric symptoms of AD.
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Affiliation(s)
- David Braun
- Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY 40536, United States
| | - Douglas L Feinstein
- Department of Anesthesiology, University of Illinois, Chicago, IL 60614, United States; Jesse Brown VA Medical Center, Chicago, IL 60614, United States.
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10
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Minami C, Shimizu T, Mitani A. Neural activity in the prelimbic and infralimbic cortices of freely moving rats during social interaction: Effect of isolation rearing. PLoS One 2017; 12:e0176740. [PMID: 28459875 PMCID: PMC5411063 DOI: 10.1371/journal.pone.0176740] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 04/14/2017] [Indexed: 12/26/2022] Open
Abstract
Sociability promotes a sound daily life for individuals. Reduced sociability is a central symptom of various neuropsychiatric disorders, and yet the neural mechanisms underlying reduced sociability remain unclear. The prelimbic cortex (PL) and infralimbic cortex (IL) have been suggested to play an important role in the neural mechanisms underlying sociability because isolation rearing in rats results in impairment of social behavior and structural changes in the PL and IL. One possible mechanism underlying reduced sociability involves dysfunction of the PL and IL. We made a wireless telemetry system to record multiunit activity in the PL and IL of pairs of freely moving rats during social interaction and examined the influence of isolation rearing on this activity. In group-reared rats, PL neurons increased firing when the rat showed approaching behavior and also contact behavior, especially when the rat attacked the partner. Conversely, IL neurons increased firing when the rat exhibited leaving behavior, especially when the partner left on its own accord. In social interaction, the PL may be involved in active actions toward others, whereas the IL may be involved in passive relief from cautionary subjects. Isolation rearing altered social behavior and neural activity. Isolation-reared rats showed an increased frequency and decreased duration of contact behavior. The increased firing of PL neurons during approaching and contact behavior, observed in group-reared rats, was preserved in isolation-reared rats, whereas the increased firing of IL neurons during leaving behavior, observed in group-reared rats, was suppressed in isolation-reared rats. This result indicates that isolation rearing differentially alters neural activity in the PL and IL during social behavior. The differential influence of isolation rearing on neural activity in the PL and IL may be one of the neural bases of isolation rearing-induced behavior.
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Affiliation(s)
- Chihiro Minami
- Laboratory of Physiology, Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Tomoko Shimizu
- Laboratory of Physiology, Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Mitani
- Laboratory of Physiology, Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
- * E-mail:
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Chlorella sorokiniana Extract Improves Short-Term Memory in Rats. Molecules 2016; 21:molecules21101311. [PMID: 27689989 PMCID: PMC6274193 DOI: 10.3390/molecules21101311] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 09/21/2016] [Accepted: 09/23/2016] [Indexed: 01/28/2023] Open
Abstract
Increasing evidence shows that eukaryotic microalgae and, in particular, the green microalga Chlorella, can be used as natural sources to obtain a whole variety of compounds, such as omega (ω)-3 and ω-6 polyunsatured fatty acids (PUFAs). Although either beneficial or toxic effects of Chlorella sorokiniana have been mainly attributed to its specific ω-3 and ω-6 PUFAs content, the underlying molecular pathways remain to be elucidated yet. Here, we investigate the effects of an acute oral administration of a lipid extract of Chlorella sorokiniana, containing mainly ω-3 and ω-6 PUFAs, on cognitive, emotional and social behaviour in rats, analysing possible underlying neurochemical alterations. Our results showed improved short-term memory in Chlorella sorokiniana-treated rats compared to controls, without any differences in exploratory performance, locomotor activity, anxiety profile and depressive-like behaviour. On the other hand, while the social behaviour of Chlorella sorokiniana-treated animals was significantly decreased, no effects on aggressivity were observed. Neurochemical investigations showed region-specific effects, consisting in an elevation of noradrenaline (NA) and serotonin (5-HT) content in hippocampus, but not in the prefrontal cortex and striatum. In conclusion, our results point towards a beneficial effect of Chlorella sorokiniana extract on short-term memory, but also highlight the need of caution in the use of this natural supplement due to its possible masked toxic effects.
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Feinstein DL, Kalinin S, Braun D. Causes, consequences, and cures for neuroinflammation mediated via the locus coeruleus: noradrenergic signaling system. J Neurochem 2016; 139 Suppl 2:154-178. [PMID: 26968403 DOI: 10.1111/jnc.13447] [Citation(s) in RCA: 116] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 11/23/2015] [Accepted: 11/24/2015] [Indexed: 12/31/2022]
Abstract
Aside from its roles in as a classical neurotransmitter involved in regulation of behavior, noradrenaline (NA) has other functions in the CNS. This includes restricting the development of neuroinflammatory activation, providing neurotrophic support to neurons, and providing neuroprotection against oxidative stress. In recent years, it has become evident that disruption of physiological NA levels or signaling is a contributing factor to a variety of neurological diseases and conditions including Alzheimer's disease (AD) and Multiple Sclerosis. The basis for dysregulation in these diseases is, in many cases, due to damage occurring to noradrenergic neurons present in the locus coeruleus (LC), the major source of NA in the CNS. LC damage is present in AD, multiple sclerosis, and a large number of other diseases and conditions. Studies using animal models have shown that experimentally induced lesion of LC neurons exacerbates neuropathology while treatments to compensate for NA depletion, or to reduce LC neuronal damage, provide benefit. In this review, we will summarize the anti-inflammatory and neuroprotective actions of NA, summarize examples of how LC damage worsens disease, and discuss several approaches taken to treat or prevent reductions in NA levels and LC neuronal damage. Further understanding of these events will be of value for the development of treatments for AD, multiple sclerosis, and other diseases and conditions having a neuroinflammatory component. The classical neurotransmitter noradrenaline (NA) has critical roles in modulating behaviors including those involved in sleep, anxiety, and depression. However, NA can also elicit anti-inflammatory responses in glial cells, can increase neuronal viability by inducing neurotrophic factor expression, and can reduce neuronal damage due to oxidative stress by scavenging free radicals. NA is primarily produced by tyrosine hydroxylase (TH) expressing neurons in the locus coeruleus (LC), a relatively small brainstem nucleus near the IVth ventricle which sends projections throughout the brain and spinal cord. It has been known for close to 50 years that LC neurons are lost during normal aging, and that loss is exacerbated in neurological diseases including Parkinson's disease and Alzheimer's disease. LC neuronal damage and glial activation has now been documented in a variety of other neurological conditions and diseases, however, the causes of LC damage and cell loss remain largely unknown. A number of approaches have been developed to address the loss of NA and increased inflammation associated with LC damage, and several methods are being explored to directly minimize the extent of LC neuronal cell loss or function. In this review, we will summarize some of the consequences of LC loss, consider several factors that likely contribute to that loss, and discuss various ways that have been used to increase NA or to reduce LC damage. This article is part of the 60th Anniversary special issue.
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Affiliation(s)
- Douglas L Feinstein
- Department of Anesthesiology, University of Illinois, Chicago, IL, USA. .,Jesse Brown VA Medical Center, Chicago, IL, USA.
| | - Sergey Kalinin
- Department of Anesthesiology, University of Illinois, Chicago, IL, USA.,Jesse Brown VA Medical Center, Chicago, IL, USA
| | - David Braun
- Department of Anesthesiology, University of Illinois, Chicago, IL, USA.,Jesse Brown VA Medical Center, Chicago, IL, USA
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Garrido A, Cruces J, Iriarte I, Hernández-Sánchez C, de Pablo F, de la Fuente M. [Premature immunosenescence in catecholamines syntesis deficient mice. Effect of social environment]. Rev Esp Geriatr Gerontol 2016; 52:20-26. [PMID: 26952652 DOI: 10.1016/j.regg.2016.01.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 12/16/2015] [Accepted: 01/07/2016] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Healthy state depends on the appropriate function of the homeostatic systems (nervous, endocrine and immune systems) and the correct communication between them. The functional and redox state of the immune system is an excellent marker of health, and animals with premature immunosenescence show a shorter lifespan. Since catecholamines modulate the function of immune cells, the alteration in their synthesis could provoke immunosenescence. The social environment could be a strategy for modulating this immunosenescence. AIM To determine if an haploinsufficiency of tyrosine hydroxylase (TH), the limiting enzyme of synthesis of catecholamines, may produce a premature immunosenescence and if this immunosenescence could be modulated by the social environment. MATERIALS AND METHODS Adult (9±1 months) male ICR-CD1 mice with deletion of a single allele (hemi-zygotic: HZ) of the tyrosine hydroxylase enzyme (TH-HZ) and wild-type (WT) mice were used. Animals were housed in four subgroups: WT>50% (in the cage, the proportion of WT mice was higher than 50% in relation to TH-HZ), WT<50%, TH-HZ<50% and TH-HZ>50%. Peritoneal leukocytes were collected and phagocytosis, chemotaxis and proliferation of lymphocytes in the presence of lipopolysaccharide were analyzed. Glutathione reductase and glutathione peroxidase activities as well as oxidized/reduced glutathione ratio were studied. RESULTS TH-HZ>50% mice showed a deteriorated function and redox state in leukocytes respect to WT>50% and similar to old mice. However, TH-HZ<50% animals had similar values to those found in WT<50% mice. CONCLUSION The haploinsufficiency of TH generates premature immunosenescence, which appears to be compensated by living together with an appropriate number of WT animals.
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Affiliation(s)
- Antonio Garrido
- Departamento de Fisiología Animal, Facultad de Biología, Universidad Complutense de Madrid, Madrid, España; Instituto de Investigación Hospital 12 de Octubre (imas12), Madrid, España
| | - Julia Cruces
- Departamento de Fisiología Animal, Facultad de Biología, Universidad Complutense de Madrid, Madrid, España; Instituto de Investigación Hospital 12 de Octubre (imas12), Madrid, España
| | - Idoia Iriarte
- Departamento de Fisiología Animal, Facultad de Biología, Universidad Complutense de Madrid, Madrid, España
| | - Catalina Hernández-Sánchez
- Departamento de Medicina Celular y Molecular, Centro de Investigaciones Biológicas (CSIC), Madrid, España; CIBERDEM (Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas), Instituto de Salud Carlos III, Ministerio de Economía y Competitividad, España
| | - Flora de Pablo
- Departamento de Medicina Celular y Molecular, Centro de Investigaciones Biológicas (CSIC), Madrid, España; CIBERDEM (Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas), Instituto de Salud Carlos III, Ministerio de Economía y Competitividad, España
| | - Mónica de la Fuente
- Departamento de Fisiología Animal, Facultad de Biología, Universidad Complutense de Madrid, Madrid, España; Instituto de Investigación Hospital 12 de Octubre (imas12), Madrid, España.
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Nosjean A, Cressant A, de Chaumont F, Olivo-Marin JC, Chauveau F, Granon S. Acute stress in adulthood impoverishes social choices and triggers aggressiveness in preclinical models. Front Behav Neurosci 2015; 8:447. [PMID: 25610381 PMCID: PMC4285129 DOI: 10.3389/fnbeh.2014.00447] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Accepted: 12/10/2014] [Indexed: 11/13/2022] Open
Abstract
Adult C57BL/6J mice are known to exhibit high level of social flexibility while mice lacking the β2 subunit of nicotinic receptors (β2(-/-) mice) present social rigidity. We asked ourselves what would be the consequences of a restraint acute stress (45 min) on social interactions in adult mice of both genotypes, hence the contribution of neuronal nicotinic receptors in this process. We therefore dissected social interaction complexity of stressed and not stressed dyads of mice in a social interaction task. We also measured plasma corticosterone levels in our experimental conditions. We showed that a single stress exposure occurring in adulthood reduced and disorganized social interaction complexity in both C57BL/6J and β2(-/-) mice. These stress-induced maladaptive social interactions involved alteration of distinct social categories and strategies in both genotypes, suggesting a dissociable impact of stress depending on the functioning of the cholinergic nicotinic system. In both genotypes, social behaviors under stress were coupled to aggressive reactions with no plasma corticosterone changes. Thus, aggressiveness appeared a general response independent of nicotinic function. We demonstrate here that a single stress exposure occurring in adulthood is sufficient to impoverish social interactions: stress impaired social flexibility in C57BL/6J mice whereas it reinforced β2(-/-) mice behavioral rigidity.
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Affiliation(s)
- Anne Nosjean
- Centre de Neuroscience Paris Sud, Université Paris Sud 11 and Centre National de la Recherche Scientifique UMR 8195 Orsay, France
| | - Arnaud Cressant
- Centre de Neuroscience Paris Sud, Université Paris Sud 11 and Centre National de la Recherche Scientifique UMR 8195 Orsay, France
| | - Fabrice de Chaumont
- Unité d'Analyse d'Images Quantitative, Institut Pasteur, Centre National de la Recherche Scientifique URA 2582 Paris, France
| | - Jean-Christophe Olivo-Marin
- Unité d'Analyse d'Images Quantitative, Institut Pasteur, Centre National de la Recherche Scientifique URA 2582 Paris, France
| | - Frédéric Chauveau
- Institut de Recherche Biomédicale des Armées, NCO, Unité NPS Brétigny-sur-Orge, France
| | - Sylvie Granon
- Centre de Neuroscience Paris Sud, Université Paris Sud 11 and Centre National de la Recherche Scientifique UMR 8195 Orsay, France
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Roles of Central Monoaminergic Systems in the Formation of Different Types of Aggressiveness in Rats. NEUROPHYSIOLOGY+ 2014. [DOI: 10.1007/s11062-014-9438-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Coura RS, Cressant A, Xia J, de Chaumont F, Olivo-Marin JC, Pelloux Y, Dalley JW, Granon S. Nonaggressive and adapted social cognition is controlled by the interplay between noradrenergic and nicotinic receptor mechanisms in the prefrontal cortex. FASEB J 2013; 27:4343-54. [PMID: 23882123 PMCID: PMC3977319 DOI: 10.1096/fj.13-231084] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2013] [Accepted: 06/24/2013] [Indexed: 02/02/2023]
Abstract
Social animals establish flexible behaviors and integrated decision-making processes to adapt to social environments. Such behaviors are impaired in all major neuropsychiatric disorders and depend on the prefrontal cortex (PFC). We previously showed that nicotinic acetylcholine receptors (nAChRs) and norepinephrine (NE) in the PFC are necessary for mice to show adapted social cognition. Here, we investigated how the cholinergic and NE systems converge within the PFC to modulate social behavior. We used a social interaction task (SIT) in C57BL/6 mice and mice lacking β2*nAChRs (β2(-/-) mice), making use of dedicated software to analyze >20 social sequences and pinpoint social decisions. We performed specific PFC NE depletions before SIT and measured monoamines and acetylcholine (ACh) levels in limbic corticostriatal circuitry. After PFC-NE depletion, C57BL/6 mice exhibited impoverished and more rigid social behavior and were 6-fold more aggressive than sham-lesioned animals, whereas β2(-/-) mice showed unimpaired social behavior. Our biochemical measures suggest a critical involvement of DA in SIT. In addition, we show that the balance between basal levels of monoamines and of ACh modulates aggressiveness and this modulation requires functional β2*nAChRs. These findings demonstrate the critical interplay between prefrontal NE and nAChRs for the development of adapted and nonaggressive social cognition.
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Affiliation(s)
- Renata S Coura
- 3Centre de Neuroscience Paris Sud, UMR 8195, Université Paris Sud, Orsay, 91405.
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Chabout J, Cressant A, Hu X, Edeline JM, Granon S. Making choice between competing rewards in uncertain vs. safe social environment: role of neuronal nicotinic receptors of acetylcholine. Front Hum Neurosci 2013; 7:468. [PMID: 23986674 PMCID: PMC3753430 DOI: 10.3389/fnhum.2013.00468] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2013] [Accepted: 07/27/2013] [Indexed: 01/20/2023] Open
Abstract
In social environments, choosing between multiple rewards is modulated by the uncertainty of the situation. Here, we compared how mice interact with a conspecific and how they use acoustic communication during this interaction in a three chambers task (no social threat was possible) and a Social Interaction Task, SIT (uncertain situation as two mice interact freely). We further manipulated the motivational state of the mice to see how they rank natural rewards such as social contact, food, and novelty seeking. We previously showed that beta2-subunit containing nicotinic receptors-β2(*)nAChRs- are required for establishing reward ranking between social interaction, novelty exploration, and food consumption in social situations with high uncertainty. Knockout mice for β2(*)nAChRs-β2(-/-)mice- exhibit profound impairment in making social flexible choices, as compared to control -WT- mice. Our current data shows that being confronted with a conspecific in a socially safe environment as compared to a more uncertain environment, drastically reduced communication between the two mice, and changed their way to deal with a social conspecific. Furthermore, we demonstrated for the first time, that β2(-/-) mice had the same motivational ranking than WT mice when placed in a socially safe environment. Therefore, β2(*)nAChRs are not necessary for integrating social information or social rewards per se, but are important for making choices, only in a socially uncertain environment. This seems particularly important in the context of Social Neuroscience, as numerous animal models are used to provide novel insights and to test promising novel treatments of human pathologies affecting social and communication processes, among which Autistic spectrum disorders and schizophrenia.
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Affiliation(s)
- Jonathan Chabout
- Centre de Neuroscience Paris Sud, Centre National de la Recherche Scientifique UMR 8195, Université Paris Sud 11 Orsay, France
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van den Bos R, Davies W, Dellu-Hagedorn F, Goudriaan AE, Granon S, Homberg J, Rivalan M, Swendsen J, Adriani W. Cross-species approaches to pathological gambling: a review targeting sex differences, adolescent vulnerability and ecological validity of research tools. Neurosci Biobehav Rev 2013; 37:2454-71. [PMID: 23867802 DOI: 10.1016/j.neubiorev.2013.07.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2013] [Revised: 05/28/2013] [Accepted: 07/08/2013] [Indexed: 02/06/2023]
Abstract
Decision-making plays a pivotal role in daily life as impairments in processes underlying decision-making often lead to an inability to make profitable long-term decisions. As a case in point, pathological gamblers continue gambling despite the fact that this disrupts their personal, professional or financial life. The prevalence of pathological gambling will likely increase in the coming years due to expanding possibilities of on-line gambling through the Internet and increasing liberal attitudes towards gambling. It therefore represents a growing concern for society. Both human and animal studies rapidly advance our knowledge on brain-behaviour processes relevant for understanding normal and pathological gambling behaviour. Here, we review in humans and animals three features of pathological gambling which hitherto have received relatively little attention: (1) sex differences in (the development of) pathological gambling, (2) adolescence as a (putative) sensitive period for (developing) pathological gambling and (3) avenues for improving ecological validity of research tools. Based on these issues we also discuss how research in humans and animals may be brought in line to maximize translational research opportunities.
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Affiliation(s)
- Ruud van den Bos
- Department of Organismal Animal Physiology, Radboud University Nijmegen, Nijmegen, The Netherlands; Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Utrecht, The Netherlands.
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Schwartzer JJ, Ricci LA, Melloni RH. Prior fighting experience increases aggression in Syrian hamsters: implications for a role of dopamine in the winner effect. Aggress Behav 2013; 39:290-300. [PMID: 23519643 DOI: 10.1002/ab.21476] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Accepted: 02/02/2013] [Indexed: 01/25/2023]
Abstract
Winning an aggressive encounter enhances the probability of winning future contests. This phenomenon, known as the winner effect, has been well studied across vertebrate species. While numerous animal models have been developed to study the winner effect in the laboratory setting, large variation in experimental design, choice of species, and housing conditions have resulted in conflicting reports on the behavioral outcomes. The Syrian hamster (Mesocricetus auratus) presents as a novel species with face validity to study the effects of repeated fighting on subsequent agonistic encounters. After a 14-day training period, "trained fighter" hamsters displayed elevated fighting behaviors characterized by more intense and severe displays of aggression along with increased displays of dominant postures compared to naïve residents with no prior social experience. To determine whether these phenotypic changes in fighting behavior reflect alterations in neurochemistry, brains of aggressive and naïve hamsters were examined for changes in dopaminergic innervation in key regions known to control social and motivational behavior. Interestingly, changes in tyrosine hydroxylase, the rate limiting enzyme for dopamine production, were observed in brain regions within the social decision-making network. These increases in aggression observed after repeated winning may reflect a learned behavior resulting from increases in neurotransmitter activity which serve to reinforce the behavior. The data implicate the presence of a winner effect in hamsters and provide evidence for a neural mechanism underlying the changes in aggressive behavior after repeated agonistic encounters.
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Affiliation(s)
- Jared J. Schwartzer
- Behavioral Neuroscience Program, Department of Psychology; Northeastern University; Boston, Massachusetts
| | - Lesley A. Ricci
- Behavioral Neuroscience Program, Department of Psychology; Northeastern University; Boston, Massachusetts
| | - Richard H. Melloni
- Behavioral Neuroscience Program, Department of Psychology; Northeastern University; Boston, Massachusetts
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dos Santos Coura R, Granon S. Prefrontal neuromodulation by nicotinic receptors for cognitive processes. Psychopharmacology (Berl) 2012; 221:1-18. [PMID: 22249358 DOI: 10.1007/s00213-011-2596-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Accepted: 11/17/2011] [Indexed: 11/30/2022]
Abstract
RATIONALE The prefrontal cortex (PFC) mediates executive functions, a set of control processes that optimize performance on cognitive tasks. It enables appropriate decision-making and mediates adapted behaviors, all processes impaired in psychiatric or degenerative disorders. Key players of normal functioning of the PFC are neurotransmitter (NT) systems arising from subcortical nuclei and targeting PFC subareas and, also, neuronal nicotinic acetylcholine receptors (nAChRs). These ion channels, located on multiple cell compartments in all brain areas, mediate direct cholinergic transmission and modulate the release of NTs that cross onto PFC neurons or interneurons. OBJECTIVE We compiled current knowledge concerning the role of nAChRs in NT release, focusing on the PFC. We point out plausible mechanisms of interaction among PFC circuits implicated in executive functions and emphasized the role of β2-containing nAChRs, the high-affinity receptors for acetylcholine (ACh). These receptors are more directly implicated in behavioral flexibility either when located on PFC neurons or in the monoaminergic or cholinergic systems targeting the PFC. RESULTS We shed light on potentially crucial roles played by nAChRs in complex interactions between local and afferent NTs. We show how they could act on cognition via PFC networks. CONCLUSIONS nAChRs are crucial for decision-making, during integration of emotional and motivational features, both mediated by different NT pathways in the PFC. We review the knowledge recently gained on cognitive functions in mice and our current understanding of PFC NT modulation. The combination of these data is expected to provide new hypotheses concerning the role of AChRs in cognitive processes.
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Goldberg NR, Fields V, Pflibsen L, Salvatore MF, Meshul CK. Social enrichment attenuates nigrostriatal lesioning and reverses motor impairment in a progressive 1-methyl-2-phenyl-1,2,3,6-tetrahydropyridine (MPTP) mouse model of Parkinson's disease. Neurobiol Dis 2012; 45:1051-67. [DOI: 10.1016/j.nbd.2011.12.024] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2011] [Revised: 10/29/2011] [Accepted: 12/04/2011] [Indexed: 11/29/2022] Open
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Alterations in the emotional and memory behavioral phenotypes of transient receptor potential vanilloid type 1-deficient mice are mediated by changes in expression of 5-HT1A, GABAA, and NMDA receptors. Neuropharmacology 2012; 62:1034-43. [DOI: 10.1016/j.neuropharm.2011.10.013] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 10/21/2011] [Accepted: 10/23/2011] [Indexed: 12/21/2022]
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