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Hou Y, Li Y, Yang D, Zhao Y, Feng T, Zheng W, Xian P, Liu X, Wu S, Wang Y. Involvement and regulation of the left anterior cingulate cortex in the ultrasonic communication deficits of autistic mice. Front Behav Neurosci 2024; 18:1387447. [PMID: 38813469 PMCID: PMC11133516 DOI: 10.3389/fnbeh.2024.1387447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 03/21/2024] [Indexed: 05/31/2024] Open
Abstract
Introduction Autism spectrum disorder (ASD) is a group of diseases often characterized by poor sociability and challenges in social communication. The anterior cingulate cortex (ACC) is a core brain region for social function. Whether it contributes to the defects of social communication in ASD and whether it could be physiologically modulated to improve social communication have been poorly investigated. This study is aimed at addressing these questions. Methods Fragile X mental retardation 1 (FMR1) mutant and valproic acid (VPA)-induced ASD mice were used. Male-female social interaction was adopted to elicit ultrasonic vocalization (USV). Immunohistochemistry was used to evaluate USV-activated neurons. Optogenetic and precise target transcranial magnetic stimulation (TMS) were utilized to modulate anterior cingulate cortex (ACC) neuronal activity. Results In wild-type (WT) mice, USV elicited rapid expression of c-Fos in the excitatory neurons of the left but not the right ACC. Optogenetic inhibition of the left ACC neurons in WT mice effectively suppressed social-induced USV. In FMR1-/-- and VPA-induced ASD mice, significantly fewer c-Fos/CaMKII-positive neurons were observed in the left ACC following USV compared to the control. Optogenetic activation of the left ACC neurons in FMR1-/- or VPA-pretreated mice significantly increased social activity elicited by USV. Furthermore, precisely stimulating neuronal activity in the left ACC, but not the right ACC, by repeated TMS effectively rescued the USV emission in these ASD mice. Discussion The excitatory neurons in the left ACC are responsive to socially elicited USV. Their silence mediates the deficiency of social communication in FMR1-/- and VPA-induced ASD mice. Precisely modulating the left ACC neuronal activity by repeated TMS can promote the social communication in FMR1-/- and VPA-pretreated mice.
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Affiliation(s)
- Yilin Hou
- Department of Military Medical Psychology, Fourth Military Medical University, Xi’an, China
| | - Yuqian Li
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
| | - Dingding Yang
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
| | - Youyi Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Engineering Research, Center for Dental Materials and Advanced Manufacture, Department of Anesthesiology, School of Stomatology, Fourth Military Medical University, Xi’an, China
| | - Tingwei Feng
- Department of Military Medical Psychology, Fourth Military Medical University, Xi’an, China
| | - Wei’an Zheng
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
| | - Panpan Xian
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
| | - Xufeng Liu
- Department of Military Medical Psychology, Fourth Military Medical University, Xi’an, China
| | - Shengxi Wu
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
| | - Yazhou Wang
- Department of Neurobiology and Institute of Neurosciences, School of Basic Medicine, Fourth Military Medical University, Xi’an, China
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Serra M, Costa G, Onaivi E, Simola N. Divergent Acute and Enduring Changes in 50-kHz Ultrasonic Vocalizations in Rats Repeatedly Treated With Amphetamine and Dopaminergic Antagonists: New Insights on the Role of Dopamine in Calling Behavior. Int J Neuropsychopharmacol 2024; 27:pyae001. [PMID: 38174899 PMCID: PMC10852626 DOI: 10.1093/ijnp/pyae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 01/03/2024] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Rats emit 50-kHz ultrasonic vocalizations (USVs) in response to nonpharmacological and pharmacological stimuli, with addictive psychostimulants being the most effective drugs that elicit calling behavior in rats. Earlier investigations found that dopamine D1-like and D2-like receptors modulate the emission of 50-kHz USVs stimulated in rats by the acute administration of addictive psychostimulants. Conversely, information is lacking on how dopamine D1-like and D2-like receptors modulate calling behavior in rats that are repeatedly treated with addictive psychostimulants. METHODS We evaluated the emission of 50-kHz USVs in rats repeatedly treated (×5 on alternate days) with amphetamine (1 mg/kg, i.p.) either alone or together with (1) SCH 23390 (0.1-1 mg/kg, s.c.), a dopamine D1 receptor antagonist; (2) raclopride (0.3-1 mg/kg, s.c.), a selective dopamine D2 receptor antagonist; or (3) a combination of SCH 23390 and raclopride (0.1 + 0.3 mg/kg, s.c.). Calling behavior of rats was recorded following pharmacological treatment, as well as in response to the presentation of amphetamine-paired cues and to amphetamine challenge (both performed 7 days after treatment discontinuation). RESULTS Amphetamine-treated rats displayed a sensitized 50-kHz USV emission during repeated treatment, as well as marked calling behavior in response to amphetamine-paired cues and to amphetamine challenge. Antagonism of D1 or D2 receptors either significantly suppressed or attenuated the emission of 50-kHz USVs in amphetamine-treated rats, with a maximal effect after synergistic antagonism of both receptors. CONCLUSIONS These results shed further light on how dopamine transmission modulates the emission of 50-kHz USVs in rats treated with psychoactive drugs.
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Affiliation(s)
- Marcello Serra
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Giulia Costa
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Emmanuel Onaivi
- Biology Department, William Paterson University, Wayne, New Jersey, USA
| | - Nicola Simola
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
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Lenschow C, Mendes ARP, Lima SQ. Hearing, touching, and multisensory integration during mate choice. Front Neural Circuits 2022; 16:943888. [PMID: 36247731 PMCID: PMC9559228 DOI: 10.3389/fncir.2022.943888] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 06/28/2022] [Indexed: 12/27/2022] Open
Abstract
Mate choice is a potent generator of diversity and a fundamental pillar for sexual selection and evolution. Mate choice is a multistage affair, where complex sensory information and elaborate actions are used to identify, scrutinize, and evaluate potential mating partners. While widely accepted that communication during mate assessment relies on multimodal cues, most studies investigating the mechanisms controlling this fundamental behavior have restricted their focus to the dominant sensory modality used by the species under examination, such as vision in humans and smell in rodents. However, despite their undeniable importance for the initial recognition, attraction, and approach towards a potential mate, other modalities gain relevance as the interaction progresses, amongst which are touch and audition. In this review, we will: (1) focus on recent findings of how touch and audition can contribute to the evaluation and choice of mating partners, and (2) outline our current knowledge regarding the neuronal circuits processing touch and audition (amongst others) in the context of mate choice and ask (3) how these neural circuits are connected to areas that have been studied in the light of multisensory integration.
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Lawson KA, Flores AY, Hokenson RE, Ruiz CM, Mahler SV. Nucleus Accumbens Chemogenetic Inhibition Suppresses Amphetamine-Induced Ultrasonic Vocalizations in Male and Female Rats. Brain Sci 2021; 11:1255. [PMID: 34679320 PMCID: PMC8534195 DOI: 10.3390/brainsci11101255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/15/2021] [Accepted: 09/17/2021] [Indexed: 11/21/2022] Open
Abstract
Adult rats emit ultrasonic vocalizations (USVs) related to their affective states, potentially providing information about their subjective experiences during behavioral neuroscience experiments. If so, USVs might provide an important link between invasive animal preclinical studies and human studies in which subjective states can be readily queried. Here, we induced USVs in male and female Long Evans rats using acute amphetamine (2 mg/kg), and asked how reversibly inhibiting nucleus accumbens neurons using designer receptors exclusively activated by designer drugs (DREADDs) impacts USV production. We analyzed USV characteristics using "Deepsqueak" software, and manually categorized detected calls into four previously defined subtypes. We found that systemic administration of the DREADD agonist clozapine-n-oxide, relative to vehicle in the same rats, suppressed the number of frequency-modulated and trill-containing USVs without impacting high frequency, unmodulated (flat) USVs, nor the small number of low-frequency USVs observed. Using chemogenetics, these results thus confirm that nucleus accumbens neurons are essential for production of amphetamine-induced frequency-modulated USVs. They also support the premise of further investigating the characteristics and subcategories of these calls as a window into the subjective effects of neural manipulations, with potential future clinical applications.
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Affiliation(s)
| | | | | | | | - Stephen V. Mahler
- Department of Neurobiology & Behavior, University of California, Irvine. 1203 McGaugh Hall, Irvine, CA 92697, USA; (K.A.L.); (A.Y.F.); (R.E.H.); (C.M.R.)
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Bogacki-Rychlik W, Rolf M, Bialy M. Anticipatory 50-kHz Precontact Ultrasonic Vocalizations and Sexual Motivation: Characteristic Pattern of Ultrasound Subtypes in an Individual Analyzed Profile. Front Behav Neurosci 2021; 15:722456. [PMID: 34489656 PMCID: PMC8417802 DOI: 10.3389/fnbeh.2021.722456] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 08/03/2021] [Indexed: 11/17/2022] Open
Abstract
We verified the hypothesis of the existence of forms of individual-specific differences in the emission of anticipatory precontact vocalization (PVs) indicating individualization related to sexual experience and motivation in male rats. Long-Evans males were individually placed in a chamber and 50-kHz ultrasounds were recorded during 5-min periods. In experiment 1, PVs were recorded before the introduction of a female in four consecutive sessions during the acquisition of sexual experience. In experiment 2, PVs were analyzed in three groups of sexually experienced males: with the highest, moderate, and the lowest sexual motivation based on previous copulatory activity. In both experiments, the total number of ultrasounds, as well as 14 different specific subtypes, was measured. The ultrasound profiles for each male were created by analyzing the proportions of specific dominant subtypes of so-called 50-kHz calls. We decided that the dominant ultrasounds were those that represented more than 10% of the total recorded signals in a particular session. The number of PVs was positively correlated with the acquisition of sexual experience and previous copulatory efficiency (measured as the number of sessions with ejaculation). Furthermore, PVs showed domination of the frequency modulated signals (complex and composite) as well as flat and short with upward ramp ultrasounds with some individual differences, regardless of the level of sexual motivation. The results show a characteristic pattern of PVs and confirm the hypothesis that the number of PVs is a parameter reflecting the level of sexual motivation.
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Affiliation(s)
- Wiktor Bogacki-Rychlik
- Laboratory of Centre for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, Warsaw, Poland
| | - Mateusz Rolf
- Laboratory of Centre for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, Warsaw, Poland
| | - Michal Bialy
- Laboratory of Centre for Preclinical Research, Department of Experimental and Clinical Physiology, Medical University of Warsaw, Warsaw, Poland
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Yamauchi T, Yoshioka T, Yamada D, Hamano T, Ohashi M, Matsumoto M, Iio K, Ikeda M, Kamei M, Otsuki T, Sato Y, Nii K, Suzuki M, Ichikawa H, Nagase H, Iriyama S, Yoshizawa K, Nishino S, Miyazaki S, Saitoh A. Cold-restraint stress–induced ultrasonic vocalization as a novel tool to measure anxiety in mice. Biol Pharm Bull 2021; 45:268-275. [DOI: 10.1248/bpb.b21-00776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Tsugumi Yamauchi
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Toshinori Yoshioka
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Daisuke Yamada
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Takumi Hamano
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Misaki Ohashi
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Maki Matsumoto
- Laboratory of Bioinformatics, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Keita Iio
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba
| | | | | | | | | | | | | | - Hiroko Ichikawa
- Laboratory of Psychology, Noda Division, Institute of Arts and Sciences, Tokyo University of Science
| | - Hiroshi Nagase
- International Institute for Integrative Sleep Medicine (WPI-IIIS), University of Tsukuba
| | - Satoshi Iriyama
- Laboratory of Quantum information dynamics, Department of Information Sciences, Faculty of Science and Technology, Tokyo University of Science
| | - Kazumi Yoshizawa
- Laboratory of Disease Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | | | - Satoru Miyazaki
- Laboratory of Bioinformatics, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
| | - Akiyoshi Saitoh
- Laboratory of Pharmacology, Department of Pharmacy, Faculty of Pharmaceutical Sciences, Tokyo University of Science
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Hamed A, Kursa MB. Social deprivation substantially changes multi-structural neurotransmitter signature of social interaction: Glutamate concentration in amygdala and VTA as a key factor in social encounter-induced 50-kHz ultrasonic vocalization. Eur Neuropsychopharmacol 2020; 37:82-99. [PMID: 32651127 DOI: 10.1016/j.euroneuro.2020.06.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 06/22/2020] [Accepted: 06/24/2020] [Indexed: 01/03/2023]
Abstract
Ultrasonic vocalizations are important for coordinating social behavior in rats. Examination of the neurochemical mechanisms that govern social behavior and ultrasonic vocalization emission is crucial for understanding the social impairments that occur in many neuropsychiatric disorders. To elucidate neurochemical changes in the brain structures related to social behavior and their mutual relationships, we conducted three-phase experiment. Neurochemicals were measured in the following behavioral situations: without social encounter, with short social encounter, with long social encounter in isolated and non-isolated rats. The aims of this study were to: (1) extract the most important neurotransmitters and their metabolites that are involved in social encounter-induced emission of 50 kHz calls; (2) to elucidate mutual relationships among the neurochemical changes in the selected, six brain structures, and analyze compound relationships by step analysis; (3) create a model of all-to-all neurotransmitter correlations; (4) find the neurochemical basis of 50-kHz USVs emission during social encounter. Our behavioral and neurochemical analysis indicated that social encounter was a triggering factor of the glutamatergic neurotransmission in the ventral tegmental area (VTA), hippocampus, and amygdala; serotonergic neurotransmission in the NAcc, CPu, and amygdala; the dopaminergic neurotransmission in the caudate putamen (CPu) and hippocampus; GABAergic neurotransmission in the hippocampus and VTA. Social encounter-induced 50-kHz USVs were bound up with changes in glutamate in amygdala and VTA, glycine in the amygdala, VTA, hippocampus, nucleus accumbens and CPu, and dopamine metabolites in VTA and CPu.
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Affiliation(s)
- Adam Hamed
- Laboratory of Spatial Memory, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, Warsaw 02-093, Poland.
| | - Miron Bartosz Kursa
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Pawinskiego 5A, 02-106 Warsaw, Poland
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Costa G, Serra M, Marongiu J, Morelli M, Simola N. Influence of dopamine transmission in the medial prefrontal cortex and dorsal striatum on the emission of 50-kHz ultrasonic vocalizations in rats treated with amphetamine: Effects on drug-stimulated and conditioned calls. Prog Neuropsychopharmacol Biol Psychiatry 2020; 97:109797. [PMID: 31669508 DOI: 10.1016/j.pnpbp.2019.109797] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 01/16/2023]
Abstract
Rat ultrasonic vocalizations (USVs) of 50 kHz are increasingly being evaluated as a behavioral marker of the affective properties of drugs. Studies in amphetamine-treated rats have shown that activation of dopamine transmission in the nucleus accumbens (NAc) initiates the emission of 50-kHz USVs, but little is known on how dopamine transmission in other brain regions modulates the effects of drugs on calling behavior. To clarify this issue, we evaluated 50-kHz USV emissions in rats subjected to dopaminergic denervation of either the medial prefrontal cortex (mPFC) or the dorsal striatum (DS) and treated with amphetamine. Rats received amphetamine (1 mg/kg, i.p. × 5) on alternate days in a test cage; 7 days later, they were re-exposed to the test cage, to measure calling behavior that may reflect drug conditioning, and then challenged with amphetamine (1 mg/kg, i.p.). The numbers of total and categorized 50-kHz USVs emitted were evaluated, along with immunofluorescence for Zif-268 in the NAc. Dopamine-denervated and sham-operated rats displayed comparable patterns of calling behavior during amphetamine treatment and after amphetamine challenge. Conversely, rats that were dopamine-denervated in the mPFC, but not DS, emitted low numbers of 50-kHz USVs on test cage re-exposure. Finally, dopamine-denervated rats displayed a less marked increase in Zif-268-positive neurons in the NAc shell after amphetamine challenge, compared with sham-operated rats. These results may be relevant to identify the neuronal circuits that modulate 50-kHz USV emissions in rats treated with amphetamine, as well as the interplay between calling behavior and affective properties of drugs.
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Affiliation(s)
- Giulia Costa
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Marcello Serra
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Jacopo Marongiu
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy; National Institute of Neuroscience (INN), University of Cagliari, Cagliari, Italy; CNR, National Research Council of Italy, Neuroscience Institute, Cagliari, Italy
| | - Nicola Simola
- Department of Biomedical Sciences, University of Cagliari, Cagliari, Italy; National Institute of Neuroscience (INN), University of Cagliari, Cagliari, Italy.
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Mulvihill KG, Brudzynski SM. Association of medial corticostriatal regions with amphetamine-induced emission of 50 kHz vocalizations as studied by Zif-268 expression in the rat brain. Brain Res 2020; 1726:146505. [DOI: 10.1016/j.brainres.2019.146505] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/28/2019] [Accepted: 10/08/2019] [Indexed: 02/01/2023]
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Bialy M, Bogacki-Rychlik W, Przybylski J, Zera T. The Sexual Motivation of Male Rats as a Tool in Animal Models of Human Health Disorders. Front Behav Neurosci 2019; 13:257. [PMID: 31956302 PMCID: PMC6947634 DOI: 10.3389/fnbeh.2019.00257] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/30/2019] [Indexed: 12/27/2022] Open
Abstract
Normal or dysfunctional sexual behavior seems to be an important indicator of health or disease. Many health disorders in male patients affect sexual activity by directly causing erectile dysfunction, affecting sexual motivation, or both. Clinical evidence indicates that many diseases strongly disrupt sexual motivation and sexual performance in patients with depression, addiction, diabetes mellitus and other metabolic disturbances with obesity and diet-related factors, kidney and liver failure, circadian rhythm disorders, sleep disturbances including obstructive sleep apnea syndrome, developmental and hormonal disorders, brain damages, cardiovascular diseases, and peripheral neuropathies. Preclinical studies of these conditions often require appropriate experimental paradigms, including animal models. Male sexual behavior and motivation have been intensively investigated over the last 80 years in animal rat model. Sexual motivation can be examined using such parameters as: anticipatory behavior and 50-kHz ultrasonic vocalizations reflecting the emotional state of rats, initiation of copulation, efficiency of copulation, or techniques of classical (pavlovian) and instrumental conditioning. In this review article, we analyze the behavioral parameters that describe the sexual motivation and sexual performance of male rats in the context of animal experimental models of human health disorders. Based on analysis of the parameters describing the heterogeneous and complex structure of sexual behavior in laboratory rodents, we propose an approach that is useful for delineating distinct mechanisms affecting sexual motivation and sexual performance in selected disease states and the efficacy of therapy in preclinical investigations.
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Affiliation(s)
- Michal Bialy
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Wiktor Bogacki-Rychlik
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
| | - Jacek Przybylski
- Department of Biophysics and Human Physiology, Medical University of Warsaw, Warsaw, Poland
| | - Tymoteusz Zera
- Department of Experimental and Clinical Physiology, Laboratory of Centre for Preclinical Research, Medical University of Warsaw, Warsaw, Poland
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Hamed A, Kursa MB. Inter-individual differences in serotonin and glutamate co-transmission reflect differentiation in context-induced conditioned 50-kHz USVs response after morphine withdrawal. Brain Struct Funct 2018; 223:3149-3167. [PMID: 29774428 PMCID: PMC6132671 DOI: 10.1007/s00429-018-1683-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Accepted: 05/09/2018] [Indexed: 12/13/2022]
Abstract
A growing body of research provides compelling evidence that in rats 50-kHz USVs are a form of expression of positive emotions. Context-induced 50-kHz USVs emission is variable among rats, indicating individual differences in contextual response bound up with pharmacological reward. The aims of this study were to: extract the most important neurotransmitters related to context-induced conditioned 50-kHz USVs response; find biological basis of existing inter-individual differences in context-induced conditioned 50-kHz USVs response; create a model of all-to-all neurotransmitters correlations. The data collected here confirms that re-exposure to the context of morphine administration after the withdrawal period increases the level of 50-kHz USVs and this contextual response is associated with elevated serotonin concentrations in amygdala, hippocampus and mPFC and with increased Glu/Gln ratio in nucleus accumbens. The concentration of serotonin increases simultaneously in amygdala, nucleus accumbens and hippocampus. Moreover, 5-HT concentration in amygdala is bound up with glutamate level in this structure as well as in hippocampus. Furthermore, Glu/Gln ratio in nucleus accumbens has strong associations with Glu/Gln ratio simultaneously in VTA, amygdala, striatum and hippocampus. All-to-all-analysis indicate that concentration of glutamate in hippocampus is proportional to glutamate in VTA and GABA concentration in the hippocampus. We have also demonstrated that Glu/GABA ratio in VTA and amygdala was elevated after post withdrawal re-exposure to the pharmacological reward paired context. Presented analysis indicates a strong correlation between serotonergic and glutamatergic systems in context-induced conditioned response. The strength of this co-transmission correlates with the number of 50-kHz USVs emitted in response to morphine-paired context.
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Affiliation(s)
- Adam Hamed
- Laboratory of Spatial Memory, Department of Cellular and Molecular Biology, Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur Street, 02-093, Warsaw, Poland.
| | - Miron Bartosz Kursa
- Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw, Pawinskiego 5A, 02-106, Warsaw, Poland
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Grant LM, Barth KJ, Muslu C, Kelm-Nelson CA, Bakshi VP, Ciucci MR. Noradrenergic receptor modulation influences the acoustic parameters of pro-social rat ultrasonic vocalizations. Behav Neurosci 2018; 132:269-283. [PMID: 29985007 PMCID: PMC6062469 DOI: 10.1037/bne0000258] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Rats produce high rates of ultrasonic vocalizations (USVs) in social situations; these vocalizations are influenced by multiple neurotransmitter systems. Norepinephrine (NE) plays a significant role in vocalization biology; however, the contribution of NE to normal, prosocial vocal control has not been well established in the rat. To address this, we used NE adrenoceptor agonists (Cirazoline, Clonidine) and antagonists (Prozasin, Atipamezole, Propranolol) to quantify the contribution of specific alpha-1, alpha-2, and beta NE receptors to USV parameters in male Long Evans rats during seminaturalistic calling. We found that multiple USV acoustic variables (intensity, bandwidth, duration, peak frequency, and call profile) are modified by alterations in NE signaling. Very generally, agents that increased NE neurotransmission (Atipamezole) or activated alpha-1 receptors (Cirazoline), led to an increase in intensity and duration, respectively. Agents that decreased NE neurotransmission (Clonidine) or blocked alpha-1 receptors (Prazosin) reduced call rate, intensity, and bandwidth. However, the beta-receptor antagonist, Propranolol, was associated with increased call rate, duration, and intensity. Limb motor behaviors were largely unaffected by any drug, with the exception of Clonidine. Higher doses of Clonidine significantly reduced gross motor, grooming, and feeding behavior. These results confirm the involvement of NE transmission in vocal control in the rat, and suggest that this USV model is useful for studying the neuropharmacology of behavioral measures that may have implications for disease states, such as Parkinson's disease. (PsycINFO Database Record
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Simola N, Brudzynski SM. Rat 50-kHz ultrasonic vocalizations as a tool in studying neurochemical mechanisms that regulate positive emotional states. J Neurosci Methods 2018; 310:33-44. [PMID: 29959002 DOI: 10.1016/j.jneumeth.2018.06.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 06/22/2018] [Accepted: 06/25/2018] [Indexed: 11/19/2022]
Abstract
BACKGROUND Adolescent and adult rats emit 50-kHz ultrasonic vocalizations (USVs) to communicate the appetitive arousal and the presence of positive emotional states to conspecifics. NEW METHOD Based on its communicative function, emission of 50-kHz USVs is increasingly being evaluated in preclinical studies of affective behavior, motivation and social behavior. RESULTS Emission of 50-kHz USVs is initiated by the activation of dopamine receptors in the shell subregion of the nucleus accumbens. However, several lines of evidence show that non-dopaminergic receptors may influence the numbers of 50-kHz USVs that are emitted, as well as the acoustic parameters of calls. COMPARISON WITH EXISTING METHODS Emission of 50-kHz USVs is a non-invasive method that may be used to study reward and motivation without the need for extensive training and complex animal manipulations. Moreover, emission of 50-kHz USVs can be used alone or combined with other well-standardized behavioral paradigms (e.g., conditioned place preference, self-administration). CONCLUSIONS This review summarizes the current evidence concerning molecular mechanisms that regulate the emission of 50-kHz USVs. Moreover, the review discusses the usefulness of 50-kHz USVs as an experimental tool to investigate how different neurotransmitter systems regulate the manifestations of positive emotional states, and also use of this tool in preclinical modeling of psychiatric diseases.
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Affiliation(s)
- Nicola Simola
- Department of Biomedical Sciences, Neuropsychopharmacology Division, University of Cagliari, Italy; National Institute of Neuroscience (INN), University of Cagliari, Cagliari, Italy.
| | - Stefan M Brudzynski
- Department of Psychology, Brock University, St. Catharines, ON, L3 3A1 Canada
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Simola N, Costa G. Emission of categorized 50-kHz ultrasonic vocalizations in rats repeatedly treated with amphetamine or apomorphine: Possible relevance to drug-induced modifications in the emotional state. Behav Brain Res 2018; 347:88-98. [PMID: 29505802 DOI: 10.1016/j.bbr.2018.02.041] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 02/23/2018] [Accepted: 02/27/2018] [Indexed: 12/11/2022]
Abstract
The emission of 50-kHz ultrasonic vocalizations (USVs) is increasingly emerging as a potential behavioral marker of the subjective effects that psychoactive drugs elicit in rats. However, multiple categories of 50-kHz USVs have been identified, which are thought to possess different behavioral significance. Besides, limited information is available on how psychoactive drugs affect the emission of categorized 50-kHz USVs. To further elucidate this issue, we evaluated the numbers of multiple categories of 50-kHz USVs emitted by rats repeatedly treated with amphetamine (1 or 2 mg/kg, i.p.) or apomorphine (2 or 4 mg/kg, i.p.), two drugs that elicit similar and dissimilar subjective effects. Amphetamine- and apomorphine-treated rats emitted patterns of categorized 50-kHz USVs that varied according to the drug administered, drug dose, and number of drug administrations. Nevertheless, the numbers of several categories of 50-kHz USVs were positively correlated with the number of total calls emitted (i.e., the sum of categorized 50-kHz USVs). Moreover, a marked interindividual variability in the emission of categorized 50-kHz USVs was observed. Taken together, the present results may be relevant to further elucidating the interplay between calling of the 50-kHz USVs group and psychopharmacological profile of drugs.
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Affiliation(s)
- Nicola Simola
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Cagliari, Italy; National Institute of Neuroscience (INN), University of Cagliari, Cagliari, Italy.
| | - Giulia Costa
- National Institute of Neuroscience (INN), University of Cagliari, Cagliari, Italy
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Wöhr M, van Gaalen MM. Pharmacological Studies on the Role of Serotonin in Regulating Socioemotional Ultrasonic Vocalizations in Rats. HANDBOOK OF ULTRASONIC VOCALIZATION - A WINDOW INTO THE EMOTIONAL BRAIN 2018. [DOI: 10.1016/b978-0-12-809600-0.00028-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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