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Li D, Pan Q, Xiao Y, Hu K. Advances in the study of phencyclidine-induced schizophrenia-like animal models and the underlying neural mechanisms. SCHIZOPHRENIA (HEIDELBERG, GERMANY) 2024; 10:65. [PMID: 39039065 PMCID: PMC11263595 DOI: 10.1038/s41537-024-00485-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 07/12/2024] [Indexed: 07/24/2024]
Abstract
Schizophrenia (SZ) is a chronic, severe mental disorder with heterogeneous clinical manifestations and unknown etiology. Research on SZ has long been limited by the low reliability of and ambiguous pathogenesis in schizophrenia animal models. Phencyclidine (PCP), a noncompetitive N-methyl-D-aspartate receptor (NMDAR) antagonist, rapidly induces both positive and negative symptoms of SZ as well as stable SZ-related cognitive impairment in rodents. However, the neural mechanism underlying PCP-induced SZ-like symptoms is not fully understood. Nondopaminergic pathophysiology, particularly excessive glutamate release induced by NMDAR hypofunction in the prefrontal cortex (PFC), may play a key role in the development of PCP-induced SZ-like symptoms. In this review, we summarize studies on the behavioral and metabolic effects of PCP and the cellular and circuitary targets of PCP in the PFC and hippocampus (HIP). PCP is thought to target the ventral HIP-PFC pathway more strongly than the PFC-VTA pathway and thalamocortical pathway. Systemic PCP administration might preferentially inhibit gamma-aminobutyric acid (GABA) neurons in the vHIP and in turn lead to hippocampal pyramidal cell disinhibition. Excitatory inputs from the HIP may trigger sustained, excessive and pathological PFC pyramidal neuron activation to mediate various SZ-like symptoms. In addition, astrocyte and microglial activation and oxidative stress in the cerebral cortex or hippocampus have been observed in PCP-induced models of SZ. These findings perfect the hypoglutamatergic hypothesis of schizophrenia. However, whether these effects direct the consequences of PCP administration and how about the relationships between these changes induced by PCP remain further elucidation through rigorous, causal and direct experimental evidence.
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Affiliation(s)
- Dabing Li
- Department of Physiology, School of Basic Medical Sciences, Southwestern Medical University, LuZhou, 646000, China.
| | - Qiangwen Pan
- Department of Physiology, School of Basic Medical Sciences, Southwestern Medical University, LuZhou, 646000, China
| | - Yewei Xiao
- Department of Physiology, School of Basic Medical Sciences, Southwestern Medical University, LuZhou, 646000, China
| | - Kehui Hu
- Department of rehabilitation Medicine, SuiNing Central Hospital, The Affiliated Hospital of Chongqing Medical University, SuiNing, 629000, China.
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2
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Frankot MA, Young ME, Vonder Haar C. Understanding Individual Subject Differences through Large Behavioral Datasets: Analytical and Statistical Considerations. Perspect Behav Sci 2024; 47:225-250. [PMID: 38660505 PMCID: PMC11035513 DOI: 10.1007/s40614-023-00388-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/14/2023] [Indexed: 04/26/2024] Open
Abstract
A core feature of behavior analysis is the single-subject design, in which each subject serves as its own control. This approach is powerful for identifying manipulations that are causal to behavioral changes but often fails to account for individual differences, particularly when coupled with a small sample size. It is more common for other subfields of psychology to use larger-N approaches; however, these designs also often fail to account for the individual by focusing on aggregate-level data only. Moving forward, it is important to study individual differences to identify subgroups of the population that may respond differently to interventions and to improve the generalizability and reproducibility of behavioral science. We propose that large-N datasets should be used in behavior analysis to better understand individual subject variability. First, we describe how individual differences have been historically treated and then outline practical reasons to study individual subject variability. Then, we describe various methods for analyzing large-N datasets while accounting for the individual, including correlational analyses, machine learning, mixed-effects models, clustering, and simulation. We provide relevant examples of these techniques from published behavioral literature and from a publicly available dataset compiled from five different rat experiments, which illustrates both group-level effects and heterogeneity across individual subjects. We encourage other behavior analysts to make use of the substantial advancements in online data sharing to compile large-N datasets and use statistical approaches to explore individual differences.
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Affiliation(s)
- Michelle A. Frankot
- Injury and Recovery Laboratory, Department of Psychology, West Virginia University, Morgantown, WV USA
- Injury and Recovery Laboratory, Department of Neuroscience, Ohio State University, 460 West 12th Avenue, Columbus, OH 43210 USA
| | - Michael E. Young
- Department of Psychological Sciences, Kansas State University, Manhattan, KS USA
| | - Cole Vonder Haar
- Injury and Recovery Laboratory, Department of Psychology, West Virginia University, Morgantown, WV USA
- Injury and Recovery Laboratory, Department of Neuroscience, Ohio State University, 460 West 12th Avenue, Columbus, OH 43210 USA
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3
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Delgado-Sallent C, Gener T, Nebot P, López-Cabezón C, Puig MV. Neural substrates of cognitive impairment in a NMDAR hypofunction mouse model of schizophrenia and partial rescue by risperidone. Front Cell Neurosci 2023; 17:1152248. [PMID: 37066076 PMCID: PMC10104169 DOI: 10.3389/fncel.2023.1152248] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/10/2023] [Indexed: 04/03/2023] Open
Abstract
N-methyl D-aspartate receptor (NMDAR) hypofunction is a pathophysiological mechanism relevant for schizophrenia. Acute administration of the NMDAR antagonist phencyclidine (PCP) induces psychosis in patients and animals while subchronic PCP (sPCP) produces cognitive dysfunction for weeks. We investigated the neural correlates of memory and auditory impairments in mice treated with sPCP and the rescuing abilities of the atypical antipsychotic drug risperidone administered daily for two weeks. We recorded neural activities in the medial prefrontal cortex (mPFC) and the dorsal hippocampus (dHPC) during memory acquisition, short-term, and long-term memory in the novel object recognition test and during auditory processing and mismatch negativity (MMN) and examined the effects of sPCP and sPCP followed by risperidone. We found that the information about the familiar object and its short-term storage were associated with mPFC→dHPC high gamma connectivity (phase slope index) whereas long-term memory retrieval depended on dHPC→mPFC theta connectivity. sPCP impaired short-term and long-term memories, which were associated with increased theta power in the mPFC, decreased gamma power and theta-gamma coupling in the dHPC, and disrupted mPFC-dHPC connectivity. Risperidone rescued the memory deficits and partly restored hippocampal desynchronization but did not ameliorate mPFC and circuit connectivity alterations. sPCP also impaired auditory processing and its neural correlates (evoked potentials and MMN) in the mPFC, which were also partly rescued by risperidone. Our study suggests that the mPFC and the dHPC disconnect during NMDAR hypofunction, possibly underlying cognitive impairment in schizophrenia, and that risperidone targets this circuit to ameliorate cognitive abilities in patients.
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Affiliation(s)
- Cristina Delgado-Sallent
- Hospital del Mar Medical Research Institute (IMIM), Barcelona Biomedical Research Park, Barcelona, Spain
| | - Thomas Gener
- Hospital del Mar Medical Research Institute (IMIM), Barcelona Biomedical Research Park, Barcelona, Spain
- Catalan Institute of Nanoscience and Nanotechnology, CSIC and BIST, Barcelona, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Pau Nebot
- Hospital del Mar Medical Research Institute (IMIM), Barcelona Biomedical Research Park, Barcelona, Spain
| | - Cristina López-Cabezón
- Catalan Institute of Nanoscience and Nanotechnology, CSIC and BIST, Barcelona, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - M. Victoria Puig
- Hospital del Mar Medical Research Institute (IMIM), Barcelona Biomedical Research Park, Barcelona, Spain
- Catalan Institute of Nanoscience and Nanotechnology, CSIC and BIST, Barcelona, Spain
- Institut de Neurociències, Universitat Autònoma de Barcelona, Barcelona, Spain
- *Correspondence: M. Victoria Puig,
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4
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Lee MT, Mouri A, Kubota H, Lee HJ, Chang MH, Wu CY, Knutson DE, Mihovilovic M, Cook J, Sieghart W, Nabeshima T, Chiou LC. Targeting α6GABA A receptors as a novel therapy for schizophrenia: A proof-of-concept preclinical study using various animal models. Biomed Pharmacother 2022; 150:113022. [PMID: 35483195 DOI: 10.1016/j.biopha.2022.113022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/17/2022] [Accepted: 04/20/2022] [Indexed: 11/29/2022] Open
Abstract
GABAA receptors containing α6 subunits (α6GABAARs) in the cerebellum have -been implicated in schizophrenia. It was reported that the GABA synthesizing enzymes were downregulated whereas α6GABAARs were upregulated in postmortem cerebellar tissues of patients with schizophrenia and in a rat model induced by chronic phencyclidine (PCP). We have previously demonstrated that pyrazoloquinolinone Compound 6, an α6GABAAR-highly selective positive allosteric modulator (PAM), can rescue the disrupted prepulse inhibition (PPI) induced by methamphetamine (METH), an animal model mimicking the sensorimotor gating deficit based on the hyper-dopaminergic hypothesis of schizophrenia. Here, we demonstrate that not only Compound 6, but also its structural analogues, LAU463 and LAU159, with similarly high α6GABAAR selectivity and their respective deuterated derivatives (DK-I-56-1, DK-I-58-1 and DK-I-59-1) can rescue METH-induced PPI disruption. Besides, Compound 6 and DK-I-56-I can also rescue the PPI disruption induced by acute administration of PCP, an animal model based on the hypo-glutamatergic hypothesis of schizophrenia. Importantly, Compound 6 and DK-I-56-I, at doses not affecting spontaneous locomotor activity, can also rescue impairments of social interaction and novel object recognition in mice induced by chronic PCP treatments. At similar doses, Compound 6 did not induce sedation but significantly suppressed METH-induced hyperlocomotion. Thus, α6GABAAR-selective PAMs can rescue not only disrupted PPI but also hyperlocomotion, social withdrawal, and cognitive impairment, in both METH- and PCP-induced animal models mimicking schizophrenia, suggesting that they are a potential novel therapy for the three core symptoms, i.e. positive symptoms, negative symptoms, and cognitive impairment, of schizophrenia.
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Affiliation(s)
- Ming Tatt Lee
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur 56000, Malaysia
| | - Akihiro Mouri
- Department of Regulatory Science, Fujita Health University Graduate School of Health Sciences, Aichi 470-1192, Japan; Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Sciences, Aichi 470-1192, Japan; Japanese Drug Organization of Appropriate Use and Research, Aichi 468-0069, Japan
| | - Hisayoshi Kubota
- Department of Regulatory Science, Fujita Health University Graduate School of Health Sciences, Aichi 470-1192, Japan
| | - Hsin-Jung Lee
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Man-Hsin Chang
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Chen-Yi Wu
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
| | - Daniel E Knutson
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA
| | - Marko Mihovilovic
- Institute of Applied Synthetic Chemistry, TU Wien, 1060 Vienna, Austria
| | - James Cook
- Department of Chemistry and Biochemistry, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA
| | - Werner Sieghart
- Center for Brain Research, Department of Molecular Neurosciences, Medical University Vienna, 1090 Wien, Austria
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Sciences, Aichi 470-1192, Japan; Japanese Drug Organization of Appropriate Use and Research, Aichi 468-0069, Japan
| | - Lih-Chu Chiou
- Department and Graduate Institute of Pharmacology, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Graduate Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei 10051, Taiwan; Graduate Institute of Acupuncture Science, China Medical University, Taichung 40402, Taiwan.
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Sansoninto attenuates aggressive behavior and increases levels of homovanillic acid, a dopamine metabolite, in social isolation-reared mice. J Tradit Complement Med 2021; 12:243-249. [PMID: 35493307 PMCID: PMC9039115 DOI: 10.1016/j.jtcme.2021.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 07/20/2021] [Accepted: 08/09/2021] [Indexed: 11/29/2022] Open
Abstract
Background and aim Early-life stress is thought to affect aggressive behavior in humans and rodents. Laboratory experiments have demonstrated that Sansoninto (SST; 酸棗仁湯 suān zǎo rén tāng), a traditional herbal medicine, attenuates stress-induced abnormal behavior in rodents. However, it is unknown whether SST attenuates stress-induced aggressive behavior. The current study examined the effects of SST on aggressive behavior of mice who suffered from social isolation (SI) stress in adolescence. Experimental procedure Five-week old mice were socially isolated for 6 weeks, and SST administration was started at 4 weeks after starting SI. Aggressive behavior and locomotor activity were examined in SST-treated mice. The content of dopamine and its metabolites in the hypothalamus were examined using high-performance liquid chromatography analysis. Gene expression analyses of monoamine oxidase-B (MAO-B), catechol-O-methyltransferase (COMT), and tyrosine hydroxylase in the hypothalamus were performed using quantitative reverse transcription polymerase chain reaction. Results and conclusion SST attenuated SI-induced aggressive behavior and increased levels of homovanillic acid, a metabolite of dopamine. However, SST did not affect dopamine levels. SI enhanced locomotion in a novel environment and increased COMT mRNA levels. In contrast, SST-treated mice showed no significant enhancement of locomotion. SST attenuated the increase in COMT mRNA levels. Given that the dopaminergic system has been implicated in aggressive behavior, these findings suggest that SST toned down dopaminergic signaling, resulting in amelioration of aggression. SST may be useful for treatment of aggressive behavior in patients with neurotic symptoms. Sansoninto prevented increased aggressive behavior in social isolation-reared mice. Sansoninto attenuated increased COMT mRNA in social isolation-reared mice. Hypothalamic homovanillic acid level was increased by Sansoninto.
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6
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Murakami Y, Imamura Y, Kasahara Y, Yoshida C, Momono Y, Fang K, Nishiyama T, Sakai D, Konishi Y. The Effects of Maternal Interleukin-17A on Social Behavior, Cognitive Function, and Depression-Like Behavior in Mice with Altered Kynurenine Metabolites. Int J Tryptophan Res 2021; 14:11786469211026639. [PMID: 34262289 PMCID: PMC8243115 DOI: 10.1177/11786469211026639] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 05/31/2021] [Indexed: 01/03/2023] Open
Abstract
Viral infection and chronic maternal inflammation during pregnancy are correlated
with a higher prevalence of autism spectrum disorder (ASD). However, the
pathoetiology of ASD is not fully understood; moreover, the key molecules that
can cross the placenta following maternal inflammation and contribute to the
development of ASD have not been identified. Recently, the pro-inflammatory
cytokine, interleukin-17A (IL-17A) was identified as a potential mediator of
these effects. To investigate the impact of maternal IL-17A on offspring,
C57BL/6J dams were injected with IL-17A-expressing plasmids via
the tail vein on embryonic day 12.5 (E12.5), and maternal IL-17A was expressed
continuously throughout pregnancy. By adulthood, IL-17A-injected offspring
exhibited behavioral abnormalities, including social and cognitive defects.
Additionally, maternal IL-17A promoted metabolism of the essential amino acid
tryptophan, which produces several neuroactive compounds and may affect fetal
neurodevelopment. We observed significantly increased levels of kynurenine in
maternal serum and fetal plasma. Thus, we investigated the effects of high
maternal concentration of kynurenine on offspring by continuously administering
mouse dams with kynurenine from E12.5 during gestation. Obviously, maternal
kynurenine administration rapidly increased kynurenine levels in the fetal
plasma and brain, pointing to the ability of kynurenine to cross the placenta
and change the KP metabolites which are affected as neuroactive compounds in the
fetal brain. Notably, the offspring of kynurenine-injected mice exhibited
behavioral abnormalities similar to those observed in offspring of
IL-17A-conditioned mice. Several tryptophan metabolites were significantly
altered in the prefrontal cortex of the IL-17A-conditioned and
kynurenine-injected adult mice, but not in the hippocampus. Even though we
cannot exclude the possibility or other molecules being related to ASD
pathogenesis and the presence of a much lower degree of pathway activation, our
results suggest that increased kynurenine following maternal inflammation may be
a key factor in changing the balance of KP metabolites in fetal brain during
neuronal development and represents a therapeutic target for
inflammation-induced ASD-like phenotypes.
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Affiliation(s)
- Yuki Murakami
- Department of Hygiene and Public Health, Kansai Medical University, Osaka, Japan
| | - Yukio Imamura
- Organization for Research Initiatives and Development, Doshisha University, Kyoto, Japan.,Department of Traumatology and Acute Critical Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yoshiyuki Kasahara
- Department of Maternal and Fetal Therapeutics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Chihiro Yoshida
- Department of Maternal and Fetal Therapeutics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Yuta Momono
- Department of Maternal and Fetal Therapeutics, Tohoku University Graduate School of Medicine, Miyagi, Japan
| | - Ke Fang
- Department of Hygiene and Public Health, Kansai Medical University, Osaka, Japan
| | - Toshimasa Nishiyama
- Department of Hygiene and Public Health, Kansai Medical University, Osaka, Japan
| | - Daisuke Sakai
- Department of Biology, Kanazawa Medical University, Ishikawa, Japan
| | - Yukuo Konishi
- Center for Baby Science, Doshisha University, Kyoto, Japan.,Healthcare and Medical Data Multi-level Integration Platform Group, RIKEN Medical Sciences Innovation Hub Program, Kanagawa, Japan
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Tanqueiro SR, Mouro FM, Ferreira CB, Freitas CF, Fonseca-Gomes J, Simões do Couto F, Sebastião AM, Dawson N, Diógenes MJ. Sustained NMDA receptor hypofunction impairs brain-derived neurotropic factor signalling in the PFC, but not in the hippocampus, and disturbs PFC-dependent cognition in mice. J Psychopharmacol 2021; 35:730-743. [PMID: 34008450 DOI: 10.1177/02698811211008560] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Cognitive deficits profoundly impact on the quality of life of patients with schizophrenia. Alterations in brain derived neurotrophic factor (BDNF) signalling, which regulates synaptic function through the activation of full-length tropomyosin-related kinase B receptors (TrkB-FL), are implicated in the aetiology of schizophrenia, as is N-methyl-D-aspartate receptor (NMDA-R) hypofunction. However, whether NMDA-R hypofunction contributes to the disrupted BDNF signalling seen in patients remains unknown. AIMS The purpose of this study was to characterise BDNF signalling and function in a preclinical rodent model relevant to schizophrenia induced by prolonged NMDA-R hypofunction. METHODS Using the subchronic phencyclidine (PCP) model, we performed electrophysiology approaches, molecular characterisation and behavioural analysis. RESULTS The data showed that prolonged NMDA-R antagonism, induced by subchronic PCP treatment, impairs long-term potentiation (LTP) and the facilitatory effect of BDNF upon LTP in the medial prefrontal cortex (PFC) of adult mice. Additionally, TrkB-FL receptor expression is decreased in the PFC of these animals. By contrast, these changes were not present in the hippocampus of PCP-treated mice. Moreover, BDNF levels were not altered in the hippocampus or PFC of PCP-treated mice. Interestingly, these observations are paralleled by impaired performance in PFC-dependent cognitive tests in mice treated with PCP. CONCLUSIONS Overall, these data suggest that NMDA-R hypofunction induces dysfunctional BDNF signalling in the PFC, but not in the hippocampus, which may contribute to the PFC-dependent cognitive deficits seen in the subchronic PCP model. Additionally, these data suggest that targeting BDNF signalling may be a mechanism to improve PFC-dependent cognitive dysfunction in schizophrenia.
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Affiliation(s)
- Sara R Tanqueiro
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Francisco M Mouro
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Catarina B Ferreira
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Céline F Freitas
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - João Fonseca-Gomes
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Frederico Simões do Couto
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Serviço de Psiquiatria e Saúde Mental, Hospital de Santa Maria - Centro Hospitalar Lisboa Norte, Lisboa, Portugal
| | - Ana M Sebastião
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Neil Dawson
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, UK
| | - Maria J Diógenes
- Instituto de Farmacologia e Neurociências, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.,Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
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8
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Mori Y, Mouri A, Kunisawa K, Hirakawa M, Kubota H, Kosuge A, Niijima M, Hasegawa M, Kurahashi H, Murakami R, Hoshi M, Nakano T, Fujigaki S, Fujigaki H, Yamamoto Y, Nabeshima T, Saito K. Kynurenine 3-monooxygenase deficiency induces depression-like behavior via enhanced antagonism of α7 nicotinic acetylcholine receptors by kynurenic acid. Behav Brain Res 2021; 405:113191. [PMID: 33607168 DOI: 10.1016/j.bbr.2021.113191] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 02/03/2021] [Accepted: 02/10/2021] [Indexed: 01/09/2023]
Abstract
Tryptophan (TRP) is metabolized via the kynurenine (KYN) pathway, which is related to the pathogenesis of major depressive disorder (MDD). Kynurenine 3-monooxygenase (KMO) is a pivotal enzyme in the metabolism of KYN to 3-hydroxykynurenine. In rodents, KMO deficiency induces a depression-like behavior and increases the levels of kynurenic acid (KA), a KYN metabolite formed by kynurenine aminotransferases (KATs). KA antagonizes α7 nicotinic acetylcholine receptor (α7nAChR). Here, we investigated the involvement of KA in depression-like behavior in KMO knockout (KO) mice. KYN, KA, and anthranilic acid but not TRP or 3-hydroxyanthranilic acid were elevated in the prefrontal cortex of KMO KO mice. The mRNA levels of KAT1 and α7nAChR but not KAT2-4, α4nAChR, or β2nAChR were elevated in the prefrontal cortex of KMO KO mice. Nicotine blocked increase in locomotor activity, decrease in social interaction time, and prolonged immobility in a forced swimming test, but it did not decrease sucrose preference in the KMO KO mice. Methyllycaconitine (an α7nAChR antagonist) antagonized the effect of nicotine on decreased social interaction time and prolonged immobility in the forced swimming test, but not increased locomotor activity. Galantamine (an α7nAChR allosteric agonist) blocked the increased locomotor activity and prolonged immobility in the forced swimming test, but not the decreased social interaction time in the KMO KO mice. In conclusion, elevation of KA levels contributes to depression-like behaviors in KMO KO mice by α7nAChR antagonism. The ameliorating effects of nicotine and galantamine on depression-like behaviors in KMO KO mice are associated with the activation of α7nAChR.
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Affiliation(s)
- Yuko Mori
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Akihiro Mouri
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan; Japanese Drug Organization of Appropriate Use and Research, Aichi, Japan.
| | - Kazuo Kunisawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan; Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Mami Hirakawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Hisayoshi Kubota
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Aika Kosuge
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Moe Niijima
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Masaya Hasegawa
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Hitomi Kurahashi
- Department of Regulatory Science for Evaluation & Development of Pharmaceuticals & Devices, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Reiko Murakami
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Masato Hoshi
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Takashi Nakano
- Department of Computational Biology, School of Medicine, Fujita Health University, Aichi, Japan
| | - Suwako Fujigaki
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Hidetsugu Fujigaki
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Yasuko Yamamoto
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Science, Aichi, Japan; Japanese Drug Organization of Appropriate Use and Research, Aichi, Japan
| | - Kuniaki Saito
- Department of Disease Control and Prevention, Fujita Health University Graduate School of Health Science, Aichi, Japan; Japanese Drug Organization of Appropriate Use and Research, Aichi, Japan
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9
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Noda Y, Uchida M, Mouri A, Yamada S, Goto S, Kitagaki S, Mamiya T, Kushima I, Arioka Y, Ozaki N, Yoshimi A. Involvement of nicotinic acetylcholine receptors in behavioral abnormalities and psychological dependence in schizophrenia-like model mice. Eur Neuropsychopharmacol 2020; 41:92-105. [PMID: 33109433 DOI: 10.1016/j.euroneuro.2020.10.001] [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: 02/22/2020] [Revised: 08/22/2020] [Accepted: 10/03/2020] [Indexed: 01/09/2023]
Abstract
The smoking incentive in patients with schizophrenia (SCZ) depends on stimulation of nicotinic acetylcholine receptors (nAChRs) in the central nervous system. To detect potential predictor genes for nicotine responses in SCZ, we explored common factor using research data in human and animal samples. In lymphoblastoid cell lines from SCZ, the mRNA expression level of α7 nAChR subunit was decreased. In SCZ-like model mice of phencyclidine (PCP; 10 mg/kg/day, subcutaneously for 14 days)-administered mice, the mRNA expression level of α7 nAChR subunit and protein expression level of α7 or α4 nAChR subunit were significantly decreased in the prefrontal cortex during PCP withdrawal. Protein, but not mRNA, expression levels of α7, α4, and β2 nAChR subunits were significantly increased in the nucleus accumbens. Acute (-)-nicotine [(-)-NIC: 0.3 mg/kg, s.c.] treatment attenuated impairments of social behaviors and visual recognition memory. These effects of (-)-NIC were completely blocked by both methyllycaconitine, a selective α7 nAChR antagonist, and dihydro-β-erythroidine (DHβE), a selective α4β2 nAChR antagonist. (-)-NIC did not induce conditioned place preference, but enhanced sensitivity to methamphetamine-induced hyperactivity. These findings suggest that α7 nAChR is associated with development of disease and is implicated in the therapeutic effect of nicotine in SCZ. The smoking incentive in SCZ might be attributed to treat their own symptoms, rather than a result of (-)-NIC dependence, by stimulating α7 and/or α4β2 nAChRs.
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Affiliation(s)
- Yukihiro Noda
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan.
| | - Mizuki Uchida
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Akihiro Mouri
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Shokuro Yamada
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Sakika Goto
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
| | - Shinji Kitagaki
- Department of Medical Chemistry, Graduate School of Pharmacy, Meijo University, Nagoya, Japan
| | - Takayoshi Mamiya
- Department of Chemical Pharmacology, Graduate School of Pharmacy, Meijo University, Nagoya, Japan
| | - Itaru Kushima
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan; Medical Genomics Center, Nagoya University Hospital, Nagoya, Japan
| | - Yuko Arioka
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan; Center for Advanced Medicine and Clinical Research, Nagoya University Hospital, Nagoya, Japan
| | - Norio Ozaki
- Department of Psychiatry, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Akira Yoshimi
- Division of Clinical Sciences and Neuropsychopharmacology, Faculty and Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
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10
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Candidate Strategies for Development of a Rapid-Acting Antidepressant Class That Does Not Result in Neuropsychiatric Adverse Effects: Prevention of Ketamine-Induced Neuropsychiatric Adverse Reactions. Int J Mol Sci 2020; 21:ijms21217951. [PMID: 33114753 PMCID: PMC7662754 DOI: 10.3390/ijms21217951] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/19/2020] [Accepted: 10/23/2020] [Indexed: 02/08/2023] Open
Abstract
Non-competitive N-methyl-D-aspartate/glutamate receptor (NMDAR) antagonism has been considered to play important roles in the pathophysiology of schizophrenia. In spite of severe neuropsychiatric adverse effects, esketamine (racemic enantiomer of ketamine) has been approved for the treatment of conventional monoaminergic antidepressant-resistant depression. Furthermore, ketamine improves anhedonia, suicidal ideation and bipolar depression, for which conventional monoaminergic antidepressants are not fully effective. Therefore, ketamine has been accepted, with rigorous restrictions, in psychiatry as a new class of antidepressant. Notably, the dosage of ketamine for antidepressive action is comparable to the dose that can generate schizophrenia-like psychotic symptoms. Furthermore, the psychotropic effects of ketamine precede the antidepressant effects. The maintenance of the antidepressive efficacy of ketamine often requires repeated administration; however, repeated ketamine intake leads to abuse and is consistently associated with long-lasting memory-associated deficits. According to the dissociative anaesthetic feature of ketamine, it exerts broad acute influences on cognition/perception. To evaluate the therapeutic validation of ketamine across clinical contexts, including its advantages and disadvantages, psychiatry should systematically assess the safety and efficacy of either short- and long-term ketamine treatments, in terms of both acute and chronic outcomes. Here, we describe the clinical evidence of NMDAR antagonists, and then the temporal mechanisms of schizophrenia-like and antidepressant-like effects of the NMDAR antagonist, ketamine. The underlying pharmacological rodent studies will also be discussed.
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11
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Wu L, Wei Y, Li H, Li W, Gu C, Sun J, Xia H, Zhang J, Chen F, Liu Q. The ubiquitination and acetylation of histones are associated with male reproductive disorders induced by chronic exposure to arsenite. Toxicol Appl Pharmacol 2020; 408:115253. [PMID: 32991915 DOI: 10.1016/j.taap.2020.115253] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 12/12/2022]
Abstract
Exposure to arsenic, which occurs via various routes, can cause reproductive toxicity. However, the mechanism for arsenic-induced reproductive disorders in male mice has not been extensively investigated. Here, 6-week-old male mice were dosed to 0, 5, 10, or 20 ppm sodium arsenite (NaAsO2), an active form of arsenic, in drinking water for six months. For male mice exposed to arsenite, fertility was lower compared to control mice. Moreover, for exposed mice, there were lower sperm counts, lower sperm motility, and higher sperm malformation ratios. Further, the mRNA and protein levels of the gonadotropin-regulated testicular RNA helicase (DDX25) and chromosome region maintenance-1 protein (CRM1), along with proteins associated with high mobility group box 2 (HMGB2), phosphoglycerate kinase 2 (PGK2), and testicular angiotensin-converting enzyme (tACE) were lower. Furthermore, chronic exposure to arsenite led to lower H2A ubiquitination (ubH2A); histone H3 acetylation K18 (H3AcK18); and histone H4 acetylations K5, K8, K12, and K16 (H4tetraAck) in haploid spermatids from testicular tissues. These alterations disrupted deposition of protamine 1 (Prm1) in testes. Overall, the present results indicate that the ubiquitination and acetylation of histones is involved in the spermiogenesis disorders caused by chronic exposure to arsenite, which points to a previously unknown connection between the modification of histones and arsenite-induced male reproductive toxicity.
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Affiliation(s)
- Lu Wu
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Yongyue Wei
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Han Li
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Wenqi Li
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Chenxi Gu
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Jing Sun
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Haibo Xia
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Jingshu Zhang
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; Jiangsu Safety Assessment and Research Center for Drug, Pesticide, and Veterinary Drug, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China
| | - Feng Chen
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China.
| | - Qizhan Liu
- Center for Global Health, China International Cooperation Center for Environment and Human Health, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China; State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing 211166, Jiangsu, People's Republic of China.
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12
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Adell A. Brain NMDA Receptors in Schizophrenia and Depression. Biomolecules 2020; 10:biom10060947. [PMID: 32585886 PMCID: PMC7355879 DOI: 10.3390/biom10060947] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 12/21/2022] Open
Abstract
N-methyl-D-aspartate (NMDA) receptor antagonists such as phencyclidine (PCP), dizocilpine (MK-801) and ketamine have long been considered a model of schizophrenia, both in animals and humans. However, ketamine has been recently approved for treatment-resistant depression, although with severe restrictions. Interestingly, the dosage in both conditions is similar, and positive symptoms of schizophrenia appear before antidepressant effects emerge. Here, we describe the temporal mechanisms implicated in schizophrenia-like and antidepressant-like effects of NMDA blockade in rats, and postulate that such effects may indicate that NMDA receptor antagonists induce similar mechanistic effects, and only the basal pre-drug state of the organism delimitates the overall outcome. Hence, blockade of NMDA receptors in depressive-like status can lead to amelioration or remission of symptoms, whereas healthy individuals develop psychotic symptoms and schizophrenia patients show an exacerbation of these symptoms after the administration of NMDA receptor antagonists.
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Affiliation(s)
- Albert Adell
- Institute of Biomedicine and Biotechnology of Cantabria, IBBTEC (CSIC-University of Cantabria), Calle Albert Einstein 22 (PCTCAN), 39011 Santander, Spain; or
- Biomedical Research Networking Center for Mental Health (CIBERSAM), 39011 Santander, Spain
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13
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Mouri A, Lee HJ, Mamiya T, Aoyama Y, Matsumoto Y, Kubota H, Huang WJ, Chiou LC, Nabeshima T. Hispidulin attenuates the social withdrawal in isolated disrupted-in-schizophrenia-1 mutant and chronic phencyclidine-treated mice. Br J Pharmacol 2020; 177:3210-3224. [PMID: 32133633 DOI: 10.1111/bph.15043] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 12/16/2019] [Accepted: 02/13/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND AND PURPOSE Hispidulin is a flavonoid isolated from Clerodendrum inerme that was found to inhibit intractable motor tics. Previously, we found that hispidulin attenuates hyperlocomotion and the disrupted prepulse inhibition induced by methamphetamine and N-methyl-d-aspartate (NMDA) receptor antagonists, two phenotypes of schizophrenia resembling positive symptoms. Hispidulin can inhibit COMT, a dopamine-metabolizing enzyme in the prefrontal cortex (PFC) that is important for social interaction. Here, we investigated whether hispidulin would affect social withdrawal, one of the negative symptoms of schizophrenia. EXPERIMENTAL APPROACH We examined whether acute administration of hispidulin would attenuate social withdrawal in two mice models, juvenile isolated disrupted-in-schizophrenia-1 mutant (mutDISC1) mice and chronic phencyclidine (PCP)-treated naïve mice. KEY RESULTS In chronic PCP-treated mice, hispidulin (10 mg·kg-1 , i.p.) attenuated social withdrawal similar to that observed with dopamine D1 receptor antagonist (SCH-23390, 0.02 mg·kg-1 , i.p.) and was mimicked by the selective COMT inhibitor, OR-486 (10 mg·kg-1 , i.p.). Hispidulin increased extracellular dopamine levels in the PFC of chronic PCP-treated mice. In isolated mutDISC1 mice, hispidulin also reversed social withdrawal. In both models, intra-PFC microinjection of a D1 agonist (SKF-81297: 10 nmol/mouse/bilateral) reversed the impairment of Ser897 phosphorylation at the GluN1 subunit of NMDA receptors, suggesting the association between GluN1 Ser897 -phosphorylation and D1 activation in the PFC exits in both models. CONCLUSIONS AND IMPLICATIONS Hispidulin attenuated social withdrawal by activating D1 receptors indirectly through elevated dopamine levels in the PFC by COMT inhibition. This nature of hispidulin suggests that it a potential novel therapeutic candidate for the treatment of negative symptoms in schizophrenia.
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Affiliation(s)
- Akihiro Mouri
- Advanced Diagnostic System Research Laboratory, Fujita Health University, Graduate School of Health Sciences, Toyoake, Japan.,Department of Regulatory Science for Evaluation and Development of Pharmaceuticals and Devices, Fujita Health University, Graduate School of Health Sciences, Toyoake, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, Japan
| | - Hsin-Jung Lee
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Takayoshi Mamiya
- Department of Chemical Pharmacology, Faculty of Pharmacy, Meijo University, Nagoya, Japan
| | - Yuki Aoyama
- Department of Chemical Pharmacology, Faculty of Pharmacy, Meijo University, Nagoya, Japan
| | - Yurie Matsumoto
- Department of Chemical Pharmacology, Faculty of Pharmacy, Meijo University, Nagoya, Japan
| | - Hisayoshi Kubota
- Department of Regulatory Science for Evaluation and Development of Pharmaceuticals and Devices, Fujita Health University, Graduate School of Health Sciences, Toyoake, Japan
| | - Wei-Jan Huang
- Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei, Taiwan
| | - Lih-Chu Chiou
- Department of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan.,Graduate Institute of Brain and Mind Sciences, College of Medicine, National Taiwan University, Taipei, Taiwan.,Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
| | - Toshitaka Nabeshima
- Advanced Diagnostic System Research Laboratory, Fujita Health University, Graduate School of Health Sciences, Toyoake, Japan.,Department of Chemical Pharmacology, Faculty of Pharmacy, Meijo University, Nagoya, Japan.,Japanese Drug Organization of Appropriate Use and Research, Nagoya, Japan
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14
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Gangarossa G, Castell L, Castro L, Tarot P, Veyrunes F, Vincent P, Bertaso F, Valjent E. Contrasting patterns of ERK activation in the tail of the striatum in response to aversive and rewarding signals. J Neurochem 2019; 151:204-226. [PMID: 31245856 DOI: 10.1111/jnc.14804] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 05/13/2019] [Accepted: 06/19/2019] [Indexed: 01/08/2023]
Abstract
The caudal part of the striatum, also named the tail of the striatum (TS), defines a fourth striatal domain. Determining whether rewarding, aversive and salient stimuli regulate the activity of striatal spiny projections neurons (SPNs) of the TS is therefore of paramount importance to understand its functions, which remain largely elusive. Taking advantage of genetically encoded biosensors (A-kinase activity reporter 3) to record protein kinase A signals and by analyzing the distribution of dopamine D1R- and D2R-SPNs in the TS, we characterized three subterritories: a D2R/A2aR-lacking, a D1R/D2R-intermingled and a D1R/D2R-SPNs-enriched area (corresponding to the amygdalostriatal transition). In addition, we provide evidence that the distribution of D1R- and D2R-SPNs in the TS is evolutionarily conserved (mouse, rat, gerbil). The in vivo analysis of extracellular signal-regulated kinase (ERK) phosphorylation in these TS subterritories in response to distinct appetitive, aversive and pharmacological stimuli revealed that SPNs of the TS are not recruited by stimuli triggering innate aversive responses, fasting, satiety, or palatable signals whereas a reduction in ERK phosphorylation occurred following learned avoidance. In contrast, D1R-SPNs of the intermingled and D2R/A2aR-lacking areas were strongly activated by both D1R agonists and psychostimulant drugs (d-amphetamine, cocaine, 3,4-methyl enedioxy methamphetamine, or methylphenidate), but not by hallucinogens. Finally, a similar pattern of ERK activation was observed by blocking selectively dopamine reuptake. Together, our results reveal that the caudal TS might participate in the processing of specific reward signals and discrete aversive stimuli. Cover Image for this issue: doi: 10.1111/jnc.14526. Open Science: This manuscript was awarded with the Open Materials Badge For more information see: https://cos.io/our-services/open-science-badges/.
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Affiliation(s)
- Giuseppe Gangarossa
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France.,Université de Paris, BFA, UMR 8251, CNRS, Paris, France
| | - Laia Castell
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Liliana Castro
- Sorbonne Université, CNRS, Biological Adaptation and Ageing, Paris, France
| | - Pauline Tarot
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Frederic Veyrunes
- Institut des Sciences de l'Evolution de Montpellier, ISEM, Université de Montpellier, CNRS, EPHE, IRD, Montpellier, France
| | - Pierre Vincent
- Sorbonne Université, CNRS, Biological Adaptation and Ageing, Paris, France
| | - Federica Bertaso
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
| | - Emmanuel Valjent
- IGF, CNRS, INSERM, University of Montpellier, Montpellier, France
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15
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Kaski SW, White AN, Gross JD, Trexler KR, Wix K, Harland AA, Prisinzano TE, Aubé J, Kinsey SG, Kenakin T, Siderovski DP, Setola V. Preclinical Testing of Nalfurafine as an Opioid-sparing Adjuvant that Potentiates Analgesia by the Mu Opioid Receptor-targeting Agonist Morphine. J Pharmacol Exp Ther 2019; 371:487-499. [PMID: 31492823 DOI: 10.1124/jpet.118.255661] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 07/16/2019] [Indexed: 01/11/2023] Open
Abstract
Mu opioid receptor (MOR)-targeting analgesics are efficacious pain treatments, but notorious for their abuse potential. In preclinical animal models, coadministration of traditional kappa opioid receptor (KOR)-targeting agonists with MOR-targeting analgesics can decrease reward and potentiate analgesia. However, traditional KOR-targeting agonists are well known for inducing antitherapeutic side effects (psychotomimesis, depression, anxiety, dysphoria). Recent data suggest that some functionally selective, or biased, KOR-targeting agonists might retain the therapeutic effects of KOR activation without inducing undesirable side effects. Nalfurafine, used safely in Japan since 2009 for uremic pruritus, is one such functionally selective KOR-targeting agonist. Here, we quantify the bias of nalfurafine and several other KOR agonists relative to an unbiased reference standard (U50,488) and show that nalfurafine and EOM-salvinorin-B demonstrate marked G protein-signaling bias. While nalfurafine (0.015 mg/kg) and EOM-salvinorin-B (1 mg/kg) produced spinal antinociception equivalent to 5 mg/kg U50,488, only nalfurafine significantly enhanced the supraspinal analgesic effect of 5 mg/kg morphine. In addition, 0.015 mg/kg nalfurafine did not produce significant conditioned place aversion, yet retained the ability to reduce morphine-induced conditioned place preference in C57BL/6J mice. Nalfurafine and EOM-salvinorin-B each produced robust inhibition of both spontaneous and morphine-stimulated locomotor behavior, suggesting a persistence of sedative effects when coadministered with morphine. Taken together, these findings suggest that nalfurafine produces analgesic augmentation, while also reducing opioid-induced reward with less risk of dysphoria. Thus, adjuvant administration of G protein-biased KOR agonists like nalfurafine may be beneficial in enhancing the therapeutic potential of MOR-targeting analgesics, such as morphine.
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Affiliation(s)
- Shane W Kaski
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Allison N White
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Joshua D Gross
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Kristen R Trexler
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Kim Wix
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Aubrie A Harland
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Thomas E Prisinzano
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Jeffrey Aubé
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Steven G Kinsey
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Terry Kenakin
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - David P Siderovski
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
| | - Vincent Setola
- Departments of Physiology and Pharmacology (S.W.K., A.N.W., J.D.G., K.W., D.P.S., V.S.), Neuroscience, and Behavioral Medicine and Psychiatry (V.S.), West Virginia University School of Medicine, Morgantown, West Virginia; Department of Psychology, West Virginia University Eberly College of Arts and Sciences, Morgantown, West Virginia (K.R.T., S.G.K.); Department of Medicinal Chemistry, The University of Kansas School of Pharmacy, Lawrence, Kansas (T.E.P.); Division of Chemical Biology and Medicinal Chemistry, The University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina (A.A.H., J.A.); and Department of Pharmacology, The University of North Carolina School of Medicine, Chapel Hill, North Carolina (T.K.)
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Prenatal treatment with methylazoxymethanol acetate as a neurodevelopmental disruption model of schizophrenia in mice. Neuropharmacology 2019; 150:1-14. [DOI: 10.1016/j.neuropharm.2019.02.034] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 02/12/2019] [Accepted: 02/25/2019] [Indexed: 12/26/2022]
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Odaira T, Nakagawasai O, Takahashi K, Nemoto W, Sakuma W, Lin JR, Tan-No K. Mechanisms underpinning AMP-activated protein kinase-related effects on behavior and hippocampal neurogenesis in an animal model of depression. Neuropharmacology 2019; 150:121-133. [PMID: 30914305 DOI: 10.1016/j.neuropharm.2019.03.026] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 03/01/2019] [Accepted: 03/19/2019] [Indexed: 01/04/2023]
Abstract
Adenosine monophosphate-activated protein kinase (AMPK) is critical for whole-body energy metabolism regulation. Recent studies have suggested that physical exercise ameliorates depressive-like behaviors via AMPK activation; however, the underlying mechanism is unclear. Here, we examined the effects and underlying mechanisms of AMPK activation on depressive-like behavior in olfactory bulbectomized (OBX) mice. We treated OBX mice with the AMPK activator, 5-aminoimidazole-4-carboxamide-1-β-d-ribonucleotide (AICAR) on the 7th or 14th day after bilateral bulbectomy and evaluated depressive-like behavior using the tail-suspension test (TST) and forced swimming test (FST) on the 21st day. The expression of phosphorylated AMPK, protein kinase C ζ (PKCζ), nuclear factor-kappa B (NF-κB), brain-derived neurotrophic factor (BDNF), and cAMP response element-binding protein (CREB) in the hippocampus was assessed by western blotting. Hippocampal neurogenesis and localization of AMPK and phosphorylated NF-κB were examined by immunohistochemistry. Chronic AICAR treatment suppressed the prolonged immobility of OBX mice in the TST and FST, and increased the levels of phosphorylated AMPK, PKCζ, NF-κB, CREB, and BDNF. Hippocampal neurogenesis in OBX mice was promoted by chronic AICAR treatment. Co-administration of AICAR with the PKCζ inhibitor or the neurotrophic tyrosine kinase receptor type 2 (TrkB) antagonist, ANA-12, inhibited these effects. Phosphorylated AMPK was detected in mature and immature hippocampal neurons and microglia, while phosphorylated NF-κB was detected only in neurons in AICAR-treated OBX mice. These data indicate that AMPK activation produces anti-depressant effects, which are mediated by elevated hippocampal neurogenesis potentially via PKCζ/NF-κB/BDNF/TrkB/CREB signaling in neurons.
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Affiliation(s)
- Takayo Odaira
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Osamu Nakagawasai
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan.
| | - Kohei Takahashi
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Wataru Nemoto
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Wakana Sakuma
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Jia-Rong Lin
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
| | - Koichi Tan-No
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Aoba-ku, Sendai 981-8558, Japan
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Linking phencyclidine intoxication to the tryptophan-kynurenine pathway: Therapeutic implications for schizophrenia. Neurochem Int 2019; 125:1-6. [PMID: 30731185 DOI: 10.1016/j.neuint.2019.02.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 01/17/2019] [Accepted: 02/04/2019] [Indexed: 12/17/2022]
Abstract
Phencyclidine (PCP) is a dissociative anesthetic that induces psychotic symptoms and neurocognitive deficits in rodents similar to those observed in schizophrenia patients. PCP administration in healthy human subjects induces schizophrenia-like symptoms such as positive and negative symptoms, and a range of cognitive deficits. It has been reported that PCP, ketamine, and related drugs such as N-methyl-D-aspartate-type (NMDA) glutamate receptor antagonists, induce behavioral effects by blocking neurotransmission at NMDA receptors. Further, NMDA receptor antagonists reproduce specific aspects of the symptoms of schizophrenia. Neurochemical models based on the actions of PCP are well established, with increased focus on glutamatergic dysfunction as a basis for both symptoms and cognitive dysfunction in schizophrenia. On the other hand, the endogenous NMDA receptor antagonist, kynurenic acid (KYNA), which is a product of tryptophan-kynurenine pathway (KP) metabolism, is involved in schizophrenia pathogenesis. KYNA concentrations are elevated in the prefrontal cortex and cerebrospinal fluid of patients with schizophrenia. KYNA elevation affects neurotransmitter release in a similar manner to that of psychotomimetic agents such as PCP, underscoring a molecular basis of its involvement in schizophrenia pathophysiology. This review will highlight the relationship between PCP and KP metabolites based on evidence that both exogenous and endogenous NMDA receptor antagonists are involved in the pathogenesis of schizophrenia, and discuss our current understanding of the mechanisms underlying dysfunctional glutamatergic signaling as potential therapeutic targets for schizophrenia.
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Tran HQ, Park SJ, Shin EJ, Tran TV, Sharma N, Lee YJ, Jeong JH, Jang CG, Kim DJ, Nabeshima T, Kim HC. Clozapine attenuates mitochondrial burdens and abnormal behaviors elicited by phencyclidine in mice via inhibition of p47 phox; Possible involvements of phosphoinositide 3-kinase/Akt signaling. J Psychopharmacol 2018; 32:1233-1251. [PMID: 30207504 DOI: 10.1177/0269881118795244] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND Oxidative stress and mitochondrial dysfunction have been implicated in the pathophysiology of schizophrenia. AIMS We investigated whether antipsychotic clozapine modulates nicotinamide adenine dinucleotide phosphate oxidase and mitochondrial burdens induced by phencyclidine in mice. METHODS We examined the effect of clozapine on nicotinamide adenine dinucleotide phosphate oxidase activation, mitochondrial burdens (i.e. oxidative stress and mitochondrial dysfunction), and activities of enzymatic antioxidant in the prefrontal cortex, and subsequent abnormal behaviors induced by repeated treatment with phencyclidine. p47 phox Knockout mice and LY294002, a phosphoinositide 3-kinase inhibitor, were employed to elucidate the pharmacological mechanism of clozapine. RESULTS Phencyclidine treatment resulted in an early increase nicotinamide adenine dinucleotide phosphate oxidase activity, membrane translocation of p47 phox, interaction between p-Akt and p47 phox, and mitochondrial burdens in wild-type mice. Although these increases returned to near control level four days post-phencyclidine, mitochondrial superoxide dismutase and glutathione peroxidase activities were decreased at that time. Clozapine, LY294002, or p47 phox knockout significantly ameliorated social withdrawal and recognition memory deficits produced by phencyclidine. Importantly, LY294002 did not significantly alter the effects of clozapine against abnormal behaviors and the interaction between p-Akt and p47 phox induced by phencyclidine. Furthermore, neither LY294002 nor clozapine exhibited any additive effects to the protection afforded by p47 phox knockout against phencyclidine insult. CONCLUSION Our results suggest that p47 phox gene mediates phencyclidine-induced mitochondrial burdens and abnormal behaviors, and that the interactive modulation between p47 phox and phosphoinositide 3-kinase/Akt is important for the understanding on the pharmacological mechanism of clozapine.
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Affiliation(s)
- Hai-Quyen Tran
- 1 Neuropsychopharmacology and Toxicology Program, Kangwon National University, Chunchon, Republic of Korea
| | - Se J Park
- 2 School of Natural Resources and Environmental Sciences, Kangwon National University, Chunchon, Republic of Korea
| | - Eun-Joo Shin
- 1 Neuropsychopharmacology and Toxicology Program, Kangwon National University, Chunchon, Republic of Korea
| | - The-Vinh Tran
- 1 Neuropsychopharmacology and Toxicology Program, Kangwon National University, Chunchon, Republic of Korea
| | - Naveen Sharma
- 1 Neuropsychopharmacology and Toxicology Program, Kangwon National University, Chunchon, Republic of Korea
| | - Yu J Lee
- 3 Clinical Pharmacy, Kangwon National University, Chunchon, Republic of Korea
| | - Ji H Jeong
- 4 Department of Pharmacology, Chung-Ang University, Seoul, Republic of Korea
| | - Choon-Gon Jang
- 5 Department of Pharmacology, Sungkyunkwan University, Suwon, Korea
| | - Dae-Joong Kim
- 6 Department of Anatomy and Cell Biology, Kangwon National University, Chunchon, Korea
| | - Toshitaka Nabeshima
- 7 Advanced Diagnostic System Research Laboratory, Fujita Health University Graduate School of Health Sciences, Toyoake, Japan.,9 Japanese Drug Organization of Appropriate Use and Research, Nagoya, Japan
| | - Hyoung-Chun Kim
- 1 Neuropsychopharmacology and Toxicology Program, Kangwon National University, Chunchon, Republic of Korea
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20
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Hiroi N. Critical reappraisal of mechanistic links of copy number variants to dimensional constructs of neuropsychiatric disorders in mouse models. Psychiatry Clin Neurosci 2018; 72:301-321. [PMID: 29369447 PMCID: PMC5935536 DOI: 10.1111/pcn.12641] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/27/2017] [Accepted: 01/19/2018] [Indexed: 12/17/2022]
Abstract
Copy number variants are deletions and duplications of a few thousand to million base pairs and are associated with extraordinarily high levels of autism spectrum disorder, schizophrenia, intellectual disability, or attention-deficit hyperactivity disorder. The unprecedented levels of robust and reproducible penetrance of copy number variants make them one of the most promising and reliable entry points to delve into the mechanistic bases of many mental disorders. However, the precise mechanistic bases of these associations still remain elusive in humans due to the many genes encoded in each copy number variant and the diverse associated phenotypic features. Genetically engineered mice have provided a technical means to ascertain precise genetic mechanisms of association between copy number variants and dimensional aspects of mental illnesses. Molecular, cellular, and neuronal phenotypes can be detected as potential mechanistic substrates for various behavioral constructs of mental illnesses. However, mouse models come with many technical pitfalls. Genetic background is not well controlled in many mouse models, leading to rather obvious interpretative issues. Dose alterations of many copy number variants and single genes within copy number variants result in some molecular, cellular, and neuronal phenotypes without a behavioral phenotype or with a behavioral phenotype opposite to what is seen in humans. In this review, I discuss technical and interpretative pitfalls of mouse models of copy number variants and highlight well-controlled studies to suggest potential neuronal mechanisms of dimensional aspects of mental illnesses. Mouse models of copy number variants represent toeholds to achieve a better understanding of the mechanistic bases of dimensions of neuropsychiatric disorders and thus for development of mechanism-based therapeutic options in humans.
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Affiliation(s)
- Noboru Hiroi
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, New York, USA.,Department of Neuroscience, Albert Einstein College of Medicine, New York, USA.,Department of Genetics, Albert Einstein College of Medicine, New York, USA
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21
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Agonist E-6837 and antagonist SB-271046 of 5-HT6 receptors both reverse the depressive-like effect induced in mice by subchronic ketamine administration. Behav Pharmacol 2017; 28:582-585. [DOI: 10.1097/fbp.0000000000000327] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Neves G, Borsoi M, Antonio CB, Pranke MA, Betti AH, Rates SMK. Is Forced Swimming Immobility a Good Endpoint for Modeling Negative Symptoms of Schizophrenia? - Study of Sub-Anesthetic Ketamine Repeated Administration Effects. AN ACAD BRAS CIENC 2017; 89:1655-1669. [PMID: 28832723 DOI: 10.1590/0001-3765201720160844] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 03/16/2017] [Indexed: 11/21/2022] Open
Abstract
Immobility time in the forced swimming has been described as analogous to emotional blunting or apathy and has been used for characterizing schizophrenia animal models. Several clinical studies support the use of NMDA receptor antagonists to model schizophrenia in rodents. Some works describe the effects of ketamine on immobility behavior but there is variability in the experimental design used leading to controversial results. In this study, we evaluated the effects of repeated administration of ketamine sub-anesthetic doses in forced swimming, locomotion in response to novelty and novel object recognition, aiming a broader evaluation of the usefulness of this experimental approach for modeling schizophrenia in mice. Ketamine (30 mg/kg/day i.p. for 14 days) induced a not persistent decrease in immobility time, detected 24h but not 72h after treatment. This same administration protocol induced a deficit in novel object recognition. No change was observed in mice locomotion. Our results confirm that repeated administration of sub-anesthetic doses of ketamine is useful in modeling schizophrenia-related behavioral changes in mice. However, the immobility time during forced swimming does not seem to be a good endpoint to evaluate the modeling of negative symptoms in NMDAR antagonist animal models of schizophrenia.
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Affiliation(s)
- Gilda Neves
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Milene Borsoi
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Camila B Antonio
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Mariana A Pranke
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Andresa H Betti
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Stela M K Rates
- Laboratório de Psicofarmacologia Experimental, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
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PCP-based mice models of schizophrenia: differential behavioral, neurochemical and cellular effects of acute and subchronic treatments. Psychopharmacology (Berl) 2015; 232:4085-97. [PMID: 25943167 DOI: 10.1007/s00213-015-3946-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Accepted: 04/22/2015] [Indexed: 02/06/2023]
Abstract
RATIONALE N-methyl-D-aspartate receptor (NMDA-R) hypofunction has been proposed to account for the pathophysiology of schizophrenia. Thus, NMDA-R blockade has been used to model schizophrenia in experimental animals. Acute and repeated treatments have been successfully tested; however, long-term exposure to NMDA-R antagonists more likely resembles the core symptoms of the illness. OBJECTIVES To explore whether schizophrenia-related behaviors are differentially induced by acute and subchronic phencyclidine (PCP) treatment in mice and to examine the neurobiological bases of these differences. RESULTS Subchronic PCP induced a sensitization of acute locomotor effects. Spontaneous alternation in a T-maze and novel object recognition performance were impaired after subchronic but not acute PCP, suggesting a deficit in working memory. On the contrary, reversal learning and immobility in the tail suspension test were unaffected. Subchronic PCP significantly reduced basal dopamine but not serotonin output in medial prefrontal cortex (mPFC) and markedly decreased the expression of tyrosine hydroxylase in the ventral tegmental area. Finally, acute and subchronic PCP treatments evoked a different pattern of c-fos expression. At 1 h post-treatment, acute PCP increased c-fos expression in many cortical regions, striatum, thalamus, hippocampus, and dorsal raphe. However, the increased c-fos expression produced by subchronic PCP was restricted to the retrosplenial cortex, thalamus, hippocampus, and supramammillary nucleus. Four days after the last PCP injection, c-fos expression was still increased in the hippocampus of subchronic PCP-treated mice. CONCLUSIONS Acute and subchronic PCP administration differently affects neuronal activity in brain regions relevant to schizophrenia, which could account for their different behavioral effects.
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Sturm M, Becker A, Schroeder A, Bilkei-Gorzo A, Zimmer A. Effect of chronic corticosterone application on depression-like behavior in C57BL/6N and C57BL/6J mice. GENES BRAIN AND BEHAVIOR 2015; 14:292-300. [DOI: 10.1111/gbb.12208] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 02/21/2015] [Accepted: 02/26/2015] [Indexed: 02/01/2023]
Affiliation(s)
- M. Sturm
- Institute of Molecular Psychiatry; University of Bonn; Bonn Germany
| | - A. Becker
- Institute of Molecular Psychiatry; University of Bonn; Bonn Germany
| | - A. Schroeder
- Institute of Molecular Psychiatry; University of Bonn; Bonn Germany
| | - A. Bilkei-Gorzo
- Institute of Molecular Psychiatry; University of Bonn; Bonn Germany
| | - A. Zimmer
- Institute of Molecular Psychiatry; University of Bonn; Bonn Germany
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25
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Engel M, Snikeris P, Jenner A, Karl T, Huang XF, Frank E. Neuregulin 1 Prevents Phencyclidine-Induced Behavioral Impairments and Disruptions to GABAergic Signaling in Mice. Int J Neuropsychopharmacol 2015; 18:pyu114. [PMID: 26478928 PMCID: PMC4540095 DOI: 10.1093/ijnp/pyu114] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Substantial evidence from human post-mortem and genetic studies has linked the neurotrophic factor neuregulin 1 (NRG1) to the pathophysiology of schizophrenia. Genetic animal models and in vitro experiments have suggested that altered NRG1 signaling, rather than protein changes, contributes to the symptomatology of schizophrenia. However, little is known about the effect of NRG1 on schizophrenia-relevant behavior and neurotransmission (particularly GABAergic and glutamatergic) in adult animals. METHOD To address this question, we treated adult mice with the extracellular signaling domain of NRG1 and assessed spontaneous locomotor activity and acoustic startle response, as well as extracellular GABA, glutamate, and glycine levels in the prefrontal cortex and hippocampus via microdialysis. Furthermore, we asked whether the effect of NRG1 would differ under schizophrenia-relevant impairments in mice and therefore co-treated mice with NRG1 and phencyclidine (PCP) (3 mg/kg). RESULTS Acute intraventricularly- or systemically-injected NRG1 did not affect spontaneous behavior, but prevented PCP induced hyperlocomotion and deficits of prepulse inhibition. NRG1 retrodialysis (10 nM) reduced extracellular glutamate and glycine levels in the prefrontal cortex and hippocampus, and prevented PCP-induced increase in extracellular GABA levels in the hippocampus. CONCLUSION With these results, we provide the first compelling in vivo evidence for the involvement of NRG1 signaling in schizophrenia-relevant behavior and neurotransmission in the adult nervous system, which highlight its treatment potential. Furthermore, the ability of NRG1 treatment to alter GABA, glutamate, and glycine levels in the presence of PCP also suggests that NRG1 signaling has the potential to alter disrupted neurotransmission in patients with schizophrenia.
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Shintani N, Onaka Y, Hashimoto R, Takamura H, Nagata T, Umeda-Yano S, Mouri A, Mamiya T, Haba R, Matsuzaki S, Katayama T, Yamamori H, Nakazawa T, Nagayasu K, Ago Y, Yagasaki Y, Nabeshima T, Takeda M, Hashimoto H. Behavioral characterization of mice overexpressing human dysbindin-1. Mol Brain 2014; 7:74. [PMID: 25298178 PMCID: PMC4201722 DOI: 10.1186/s13041-014-0074-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 09/25/2014] [Indexed: 11/30/2022] Open
Abstract
Background The dysbindin-1 gene (DTNBP1: dystrobrevin binding protein 1) is a promising schizophrenia susceptibility gene, known to localize almost exclusively to neurons in the brain, and participates in the regulation of neurotransmitter release, membrane-surface receptor expression, and synaptic plasticity. Sandy mice, with spontaneous Dtnbp1 deletion, display behavioral abnormalities relevant to symptoms of schizophrenia. However, it remains unknown if dysbindin-1 gain-of-function is beneficial or detrimental. Results To answer this question and gain further insight into the pathophysiology and therapeutic potential of dysbindin-1, we developed transgenic mice expressing human DTNBP1 (Dys1A-Tg) and analyzed their behavioral phenotypes. Dys1A-Tg mice were born viable in the expected Mendelian ratios, apparently normal and fertile. Primary screening of behavior and function showed a marginal change in limb grasping in Dys1A-Tg mice. In addition, Dys1A-Tg mice exhibited increased hyperlocomotion after methamphetamine injection. Transcriptomic analysis identified several up- and down-regulated genes, including the immediate-early genes Arc and Egr2, in the prefrontal cortex of Dys1A-Tg mice. Conclusions The present findings in Dys1A-Tg mice support the role of dysbindin-1 in psychiatric disorders. The fact that either overexpression (Dys1A-Tg) or underexpression (Sandy) of dysbindin-1 leads to behavioral alterations in mice highlights the functional importance of dysbindin-1 in vivo.
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Affiliation(s)
- Norihito Shintani
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Yusuke Onaka
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Ryota Hashimoto
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Department of Psychiatry, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Hironori Takamura
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Tsuyoshi Nagata
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Satomi Umeda-Yano
- Department of Molecular Neuropsychiatry, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Akihiro Mouri
- Department of Chemical Pharmacology, Graduate School of Pharmaceutical Sciences, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya, 468-8503, Japan.
| | - Takayoshi Mamiya
- Department of Chemical Pharmacology, Graduate School of Pharmaceutical Sciences, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya, 468-8503, Japan.
| | - Ryota Haba
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Shinsuke Matsuzaki
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Molecular Brain Science, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Anatomy and Neuroscience, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Taiichi Katayama
- Molecular Brain Science, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Hidenaga Yamamori
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Department of Molecular Neuropsychiatry, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Takanobu Nakazawa
- iPS Cell-based Research Project on Brain Neuropharmacology and Toxicology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Kazuki Nagayasu
- iPS Cell-based Research Project on Brain Neuropharmacology and Toxicology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Yukio Ago
- Laboratory of Medicinal Pharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Yuki Yagasaki
- Department of Mental Disorder Research, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawahigashicho, Kodaira, Tokyo, 187-8502, Japan.
| | - Toshitaka Nabeshima
- Department of Regional Pharmaceutical Care & Sciences, Graduate School of Pharmaceutical Sciences, Meijo University, 150 Yagotoyama, Tenpaku-ku, Nagoya, 468-8503, Japan.
| | - Masatoshi Takeda
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Department of Psychiatry, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan.
| | - Hitoshi Hashimoto
- Laboratory of Molecular Neuropharmacology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Kanazawa University, Hamamatsu University School of Medicine, Chiba University and University of Fukui, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan. .,iPS Cell-based Research Project on Brain Neuropharmacology and Toxicology, Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka, 565-0871, Japan.
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27
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Walgren JL, Carfagna MA, Koger D, Sgro M, Kallman MJ. Withdrawal assessment following subchronic oral ketamine administration in Cynomolgus macaques. Drug Dev Res 2014; 75:162-71. [PMID: 24648280 DOI: 10.1002/ddr.21168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Accepted: 01/20/2014] [Indexed: 01/05/2023]
Abstract
Recently there is increased regulatory interest in the assessment of physical dependence and withdrawal as part of the safety assessment for novel therapeutic entities. Choosing appropriate and sensitive parameters to detect withdrawal syndromes, and relevant positive control comparator drugs that can be administered in the same manner as the test agent, are critical study design elements. Pilot studies to determine the effects of oral ketamine in cynomolgus monkeys during, and following cessation of treatment, were explored. Detailed behavioral observations (both remote and interactive), food consumption, and body weight and temperature, were assessed during the dose-ranging, repeat dose (5 or 14 days), and withdrawal phases (3 or 5 days). Doses explored during dose-ranging included 20, 40, 100, or 200 mg/kg ketamine; subsequent withdrawal assessments were conducted following repeat dosing of 150 mg/kg. In the 14-day dosing study, exposure to ketamine and norketamine was assessed following 8 days of dosing. Administration of 150 mg/kg ketamine produced decreased activity, loss of balance, ataxia, hunched posture, nystagmus, lateral recumbence, and changes in alertness levels during dosing phases. When ketamine was withdrawn, increased reactivity, increased activity, and stereotypic behaviors were demonstrated that were absent during baseline or the dosing phase of the studies.
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Affiliation(s)
- Jennie L Walgren
- Non-Clinical Safety Assessment, Eli Lilly and Company, Indianapolis, IN, 46285, USA
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28
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Hida H, Mouri A, Ando Y, Mori K, Mamiya T, Iwamoto K, Ozaki N, Yamada K, Nabeshima T, Noda Y. Combination of neonatal PolyI:C and adolescent phencyclidine treatments is required to induce behavioral abnormalities with overexpression of GLAST in adult mice. Behav Brain Res 2013; 258:34-42. [PMID: 24060653 DOI: 10.1016/j.bbr.2013.09.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 09/08/2013] [Accepted: 09/11/2013] [Indexed: 12/25/2022]
Abstract
Cumulative incidences of multiple risk factors are related to pathology of psychiatric disorders. The present study was designed to examine combinative effects of a neonatal immune challenge with adolescent abused substance treatment on the psychological behaviors and molecular expressions in the adult. C57BL/6J mice were neonatally treated, with polyriboinosinic-polyribocytidylic acid (PolyI:C: 5mg/kg) during postnatal days (PD) 2-6, then with phencyclidine (PCP: 10mg/kg) during adolescence (PD35-41). Locomotor activity was analyzed to evaluate sensitivity to PCP on PD35 and PD41. Emotional and cognitive tests were carried out on PD42-48. Neonatal PolyI:C treatment markedly enhanced sensitivity to PCP- and methamphetamine-induced hyperactivity in the adolescent. Mice treated with both neonatal PolyI:C and adolescent PCP (PolyI:C/PCP) showed social deficit and object recognition memory impairment. The expression of glutamate/aspartate transporter (GLAST) in the prefrontal cortex (PFC) was significantly increased in the (PolyI:C/PCP)-treated mice. Infusion of glutamate transporter inhibitor (DL-TBOA: 1 nmol/bilaterally) into the PFC reversed the object recognition impairment in the (PolyI:C/PCP)-treated mice. These results indicate that the combined treatment of neonatal PolyI:C with adolescent PCP leads to behavioral abnormalities, which were associated with increase of GLAST expression in the adult PFC.
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Affiliation(s)
- Hirotake Hida
- Division of Clinical Sciences and Neuropsychopharmacology, Graduate School of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya 468-8503, Japan
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29
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Leading compounds for the validation of animal models of psychopathology. Cell Tissue Res 2013; 354:309-30. [DOI: 10.1007/s00441-013-1692-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 07/01/2013] [Indexed: 12/18/2022]
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