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Caminski ES, Antunes FTT, Souza IA, Dallegrave E, Zamponi GW. Regulation of N-type calcium channels by nociceptin receptors and its possible role in neurological disorders. Mol Brain 2022; 15:95. [PMID: 36434658 PMCID: PMC9700961 DOI: 10.1186/s13041-022-00982-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 11/15/2022] [Indexed: 11/27/2022] Open
Abstract
Activation of nociceptin opioid peptide receptors (NOP, a.k.a. opioid-like receptor-1, ORL-1) by the ligand nociceptin/orphanin FQ, leads to G protein-dependent regulation of Cav2.2 (N-type) voltage-gated calcium channels (VGCCs). This typically causes a reduction in calcium currents, triggering changes in presynaptic calcium levels and thus neurotransmission. Because of the widespread expression patterns of NOP and VGCCs across multiple brain regions, the dorsal horn of the spinal cord, and the dorsal root ganglia, this results in the alteration of numerous neurophysiological features. Here we review the regulation of N-type calcium channels by the NOP-nociceptin system in the context of neurological conditions such as anxiety, addiction, and pain.
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Affiliation(s)
- Emanuelle Sistherenn Caminski
- grid.412344.40000 0004 0444 6202Graduate Program in Health Sciences, Laboratory of Research in Toxicology (LAPETOX), Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS Brazil
| | - Flavia Tasmin Techera Antunes
- grid.22072.350000 0004 1936 7697Department of Clinical Neurosciences, University of Calgary, Calgary, AB Canada ,grid.22072.350000 0004 1936 7697Hotchkiss Brain Institute, University of Calgary, Calgary, AB Canada
| | - Ivana Assis Souza
- grid.22072.350000 0004 1936 7697Department of Clinical Neurosciences, University of Calgary, Calgary, AB Canada ,grid.22072.350000 0004 1936 7697Hotchkiss Brain Institute, University of Calgary, Calgary, AB Canada
| | - Eliane Dallegrave
- grid.412344.40000 0004 0444 6202Graduate Program in Health Sciences, Laboratory of Research in Toxicology (LAPETOX), Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS Brazil
| | - Gerald W. Zamponi
- grid.22072.350000 0004 1936 7697Department of Clinical Neurosciences, University of Calgary, Calgary, AB Canada ,grid.22072.350000 0004 1936 7697Hotchkiss Brain Institute, University of Calgary, Calgary, AB Canada
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Kim TY, Niimi K, Takahashi E. Analysis of the protective effects of the α 2 /δ subunit of voltage-gated Ca 2+ channels in brain injury. Brain Res 2017; 1655:138-144. [DOI: 10.1016/j.brainres.2016.11.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 10/13/2016] [Accepted: 11/07/2016] [Indexed: 12/17/2022]
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Kim TY, Yoshimoto T, Aoyama Y, Niimi K, Takahashi E. Analysis of the protective effects of a neuronal Cav2.1 calcium channel in brain injury. Neuroscience 2015; 313:110-21. [PMID: 26616403 DOI: 10.1016/j.neuroscience.2015.11.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 10/30/2015] [Accepted: 11/16/2015] [Indexed: 01/13/2023]
Abstract
We previously reported that rolling Nagoya mice carrying a mutation in the α1 subunit of the Cav2.1 channel protective from ischemia- and kainate-induced neuronal damage. However, the protective effect of this mutation and its relationship to brain injury recovery have not been examined. To examine the relationship between Cav2.1 channel function and brain injury, we induced cryogenic brain damage in homozygous rolling Nagoya (rol/rol), control wild-type (+/+), ω-agatoxin IVA-pretreated +/+ (ω-aga +/+), and ω-agatoxin IVA-post-treated +/+ (ω-aga-post-treated +/+) mice. We measured the lesion area, blood brain-barrier permeability and performed immunohistochemistry and western blot analysis. The lesions of rol/rol and ω-aga +/+ mice were significantly smaller than those observed in +/+ mice at both day 1 and day 7 after injury. Similar results were shown in blood-brain barrier permeability. We observed more reactive astrogliosis in +/+ mice than in rol/rol or ω-aga +/+ mice. rol/rol and ω-aga +/+ mice had fewer degenerating cells due to cryogenic injury than did +/+ mice at both day 1 and day 7. ω-Aga-post-treated +/+ mice 24h after injury were sacrificed on day 7. The lesions were smaller in ω-aga-post-treated +/+ mice than those in vehicle-treated +/+ mice. We also examined phosphorylated p38 (pp38) at the injured site. ω-Aga-post-treated +/+ mouse brain slices showed weak pp38 signal; vehicle-treated +/+ mouse brain slices were pp38-positive. These findings demonstrate that the mutant Cav2.1 channel exerts a protective effect against cryogenic brain injury in rolling Nagoya mice. Our results indicate that inhibitors of the Cav2.1-dependent p38 signaling cascade would be useful as therapeutic agents in the treatment of brain injury.
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Affiliation(s)
- T Y Kim
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - T Yoshimoto
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Y Aoyama
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - K Niimi
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - E Takahashi
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan.
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Chronic phencyclidine treatment induces long-lasting glutamatergic activation of VTA dopamine neurons. Neurosci Lett 2014; 564:72-7. [PMID: 24525246 DOI: 10.1016/j.neulet.2014.01.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 01/15/2014] [Accepted: 01/20/2014] [Indexed: 11/23/2022]
Abstract
Use of phencyclidine (PCP) can mimic some aspects of schizophrenia. However, the underlying mechanism is unclear. Administration of PCP is known to activate mesolimbic dopamine pathway. In this study, we focused on ventral tegmental area (VTA) of mesolimbic dopamine pathway as target of PCP for inducing schizophrenia-like symptoms. Single VTA neuron was isolated and its neural activity was monitored by measuring cytosolic Ca(2+) concentration ([Ca(2+)]i) followed by immunocytochemical identification of dopamine neurons. Administration of glutamate increased [Ca(2+)]i in dopamine neurons from control rats, and the [Ca(2+)]i increase was inhibited in the presence of PCP. In contrast, in VTA dopamine neurons from rats chronically treated with PCP for 7 days, administration of glutamate was able to induce [Ca(2+)]i increase in the presence of PCP. Furthermore, this glutamate-induced [Ca(2+)]i increase in the presence of PCP continued even after washout of glutamate and this effect lasted as long as PCP was present. This long-lasting glutamate-induced [Ca(2+)]i increase in the presence of PCP was not observed or significantly attenuated under Ca(2+) free condition and by N-type Ca(2+) channel blocker ω-conotoxin. The results indicate that chronic treatment with PCP reverses the acute PCP effect on VTA dopamine neurons from inhibitory to stimulatory tone, and consequently induces long-lasting activation of dopamine neurons by glutamate.
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Niimi K, Han Y, Zhou Y, Yoshimoto T, Dai F, Teng X, Tian X, Li W, Takahashi E. Blockade of Cav2.1-mediated NMDA receptor signaling disrupts conditioned fear extinction. Behav Brain Res 2013; 259:45-9. [PMID: 24177210 DOI: 10.1016/j.bbr.2013.10.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Revised: 10/17/2013] [Accepted: 10/20/2013] [Indexed: 12/30/2022]
Abstract
Although fear extinction requires N-methyl-d-aspartate (NMDA) receptor signaling, Cav2.1-regulated synaptic function in extinction remains unknown. This study examined whether Cav2.1-mediated signaling plays role in consolidation of extinction. Wild-type mice received intracerebroventricular injection of Cav2.1 blocker (ω-agatoxin IVA, 4.0 pg/side) showed impaired extinction behavior and increased expression of CREB-dependent gene Arc in medial prefrontal cortex (mPFC). Intra-mPFC injections of NMDA receptor antagonist (MK-801, 0.5 μg/midline), which was ineffective in wild-type controls, blocked extinction in heterozygous rolling Nagoya (rol/+) mice carrying Cav2.1α1 gene mutation rol/+ mice. These results indicate that Cav2.1-mediated NMDA receptor signaling is functional pathway in mPFC-dependent fear extinction. Our results also indicate that the combination of pharmacological and genetic approaches can be used to study functional signaling pathways in neuronal circuits.
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Affiliation(s)
- Kimie Niimi
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Yanfei Han
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Ying Zhou
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, PR China
| | - Takuro Yoshimoto
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Fu Dai
- Hefei First People's Hospital, Huaihe Road 390, Hefei 230061, PR China
| | - Xiaochun Teng
- Department of Endocrinology and Metabolism, The First Affiliated Hospital, China Medical University, Shenyang, Liaoning 110001, PR China
| | - Xiaoli Tian
- Division of Pulmonary and Critical Care Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095-1690, USA
| | - Weidong Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, PR China.
| | - Eiki Takahashi
- Research Resources Center, RIKEN Brain Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan; Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai 200240, PR China.
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Hsu YH, Chen CCV, Zechariah A, Yen CC, Yang LC, Chang C. Neuronal dysfunction of a long projecting multisynaptic pathway in response to methamphetamine using manganese-enhanced MRI. Psychopharmacology (Berl) 2008; 196:543-53. [PMID: 18000655 DOI: 10.1007/s00213-007-0990-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2007] [Accepted: 10/15/2007] [Indexed: 01/19/2023]
Abstract
RATIONALE Manganese (Mn2+)-enhanced magnetic resonance imaging (MEMRI) is an emerging in vivo MR approach for pharmacological research. One new application of MEMRI in this area is to characterize functional changes of a specific neural circuit that is essential to the central effects of a drug challenge. OBJECTIVES To develop and validate such use of MEMRI in neuropharmacology, the current study applied MEMRI to visualize functional changes within a multisynaptic pathway originating from fasciculus retroflexus (FR) that is central to a commonly abused psychostimulant, methamphetamine (MA). METHODS Twelve rats were injected intraperitoneally with MA (10 mg/kg) or saline every 2 h for a total of four injections. After 6 days, Mn2+ was injected into the habenular nucleus (FR origin) of all animals, and MEMRI was repeatedly performed at certain points in time over 48 h. The evolution of Mn2+-induced signal enhancement was assessed across the FR tract, the ventral tegmental area (VTA), the striatum, the nucleus accumbens, and the prefrontal cortex (PFC), in both MA-injected animals and controls. RESULTS MA treatment was found to affect the complexity and efficiency of Mn2+ uptake in the VTA, via the FR tract, with significantly increased Mn2+ accumulation in the VTA, the dorsomedial part of the striatum, and the PFC. CONCLUSIONS MEMRI successfully visualizes disruptions in the multisynaptic pathway as the consequences of repeated MA exposure. MEMRI is potentially an important method in the future to investigate functional changes within a specific pathway under the influences of pharmacological agents, given its excellent functional, in vivo, spatial, and temporal properties.
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Affiliation(s)
- Yi-Hua Hsu
- Functional and Micro-Magnetic Resonance Imaging Center, Institute of Biomedical Sciences, Academia Sinica, Taipei 11529, Taiwan, Republic of China
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McLay RN, Pan W, Kastin AJ. Effects of peptides on animal and human behavior: a review of studies published in the first twenty years of the journal Peptides. Peptides 2001; 22:2181-255. [PMID: 11786208 DOI: 10.1016/s0196-9781(01)00550-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This review catalogs effects of peptides on various aspects of animal and human behavior as published in the journal Peptides in its first twenty years. Topics covered include: activity levels, addiction behavior, ingestive behaviors, learning and memory-based behaviors, nociceptive behaviors, social and sexual behavior, and stereotyped and other behaviors. There are separate tables for these behaviors and a short introduction for each section.
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Affiliation(s)
- R N McLay
- Naval Medical Center San Diego, Department of Psychiatry, San Diego, CA, USA
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Abstract
BACKGROUND Facilitation of N-methyl-D-aspartate (NMDA) receptor-mediated neurotransmission via administration of glycine site agonists of the NMDA receptor (e.g., glycine, D-serine), and glycine transport inhibitors may represent an innovative pharmacologic strategy in schizophrenia; however, given the potential involvement of NMDA receptors in the neurotoxicity of excitatory amino acids, possible neurotoxic effects of glycinergic compounds need to be explored. Furthermore, studying brain adaptations to chronic administration of glycine site agonists may provide insights into the therapeutic mechanisms of these drugs. METHODS Adult rats were randomized to one of three nutritional regimens (no glycine supplementation, 1 g/kg/day, or 5 g/kg/day glycine supplementation) and to one of three treatment durations (1, 3, or 5 months). Serum glycine and serine levels at sacrifice and brain sections were examined using histologic markers of neurodegeneration (cresyl violet and silver impregnation staining) and immunohistochemical staining of glial fibrillary acidic protein, microtubule-associated protein, and neurofilament 200. To explore additional neural adaptations to high-dose glycine treatment, immunostaining was also performed for class B, N-type Ca(2+) channels. RESULTS Serum glycine levels increased dose dependently during glycine nutrition, whereas serine levels were not changed. In hippocampal dentate gyrus, the percentage of hypertrophied astrocytes transiently increased at 1 month. At 3 and 5 months of glycine treatment, the density of class B, N-type Ca(2+) channels was reduced in parietal cortex and hippocampus. No evidence of neuronal or glial cell excitotoxic damage or degeneration was registered at either of the treatment intervals studied. CONCLUSIONS These findings demonstrate for the first time that in vivo administration of high-dose glycine may induce brain morphological changes without causing neurotoxic effects. A reduction in density of class B, N-type Ca(2+) channels in specific brain regions may represent one general adaptation to long-term, high-dose glycine treatment.
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Affiliation(s)
- S Shoham
- Research Department, Ezrath Nashim-Herzog Memorial Hospital, Jerusalem, Israel
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Uramura K, Yada T, Muroya S, Takigawa M. Ca2+ oscillations in response to methamphetamine in dopamine neurons of the ventral tegmental area in rats subchronically treated with this drug. Ann N Y Acad Sci 2000; 914:316-22. [PMID: 11085332 DOI: 10.1111/j.1749-6632.2000.tb05207.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Mesolimbic dopamine neurons in the ventral tegmental area (VTA), which project to the nucleus accumbens and prefrontal cortex, play an important role in the regulation of emotion, rewarding, and cognition. The dopamine neurons in the VTA have also been implicated in schizophrenia and drug abuse. Methamphetamine (METH) can induce a schizophrenia-like psychosis. Thus, the VTA is a likely effector site for the action of METH. However, effects of METH on the mesolimbic dopamine neurons are largely unknown. We treated adult SD rats with METH (5 mg/kg/day) or saline for 7 days, isolated single VTA neurons from these treated rats, and monitored the neuronal activities by measuring cytosolic Ca2+ concentration ([Ca2+]i), which was followed by immunocytochemical identification of dopamine neurons. Acute administration of METH under superfusion conditions concentration-dependently increased [Ca2+]i in VTA dopamine neurons isolated from METH- and saline-treated rats. Furthermore, acutely administered METH induced oscillations of [Ca2+]i only in the dopamine neurons of the METH-treated group. The METH-induced [Ca2+]i oscillations were inhibited by Ca2+-free conditions and by Ca2+ channel blockers. In conclusion, subchronic METH treatment sensitizes VTA dopamine neurons to this drug, resulting in induction of [Ca2+]i oscillations. This sensitization of VTA dopamine neurons may account, at least in part, for the psycho-stimulant effects of METH, such as the dependence on and sensitization to METH.
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Affiliation(s)
- K Uramura
- Department of Neuropsychiatry, Faculty of Medicine, Kagoshima University, Japan
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