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Koga K, Shimoyama S, Yamada A, Furukawa T, Nikaido Y, Furue H, Nakamura K, Ueno S. Chronic inflammatory pain induced GABAergic synaptic plasticity in the adult mouse anterior cingulate cortex. Mol Pain 2018; 14:1744806918783478. [PMID: 29956582 PMCID: PMC6096674 DOI: 10.1177/1744806918783478] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Background Chronic pain is a persistent unpleasant sensation that produces pathological synaptic plasticity in the central nervous system. Both human imaging study and animal studies consistently demonstrate that the anterior cingulate cortex is a critical cortical area for nociceptive and chronic pain processing. Thus far, the mechanisms of excitatory synaptic transmission and plasticity have been well characterized in the anterior cingulate cortex for various models of chronic pain. By contrast, the potential contribution of inhibitory synaptic transmission in the anterior cingulate cortex, in models of chronic pain, is not fully understood. Methods Chronic inflammation was induced by complete Freund adjuvant into the adult mice left hindpaw. We performed in vitro whole-cell patch-clamp recordings from layer II/III pyramidal neurons in two to three days after the complete Freund adjuvant injection and examined if the model could cause plastic changes, including transient and tonic type A γ-aminobutyric acid (GABAA) receptor-mediated inhibitory synaptic transmission, in the anterior cingulate cortex. We analyzed miniature/spontaneous inhibitory postsynaptic currents, GABAA receptor-mediated tonic currents, and evoked inhibitory postsynaptic currents. Finally, we studied if GABAergic transmission-related proteins in the presynapse and postsynapse of the anterior cingulate cortex were altered. Results The complete Freund adjuvant model reduced the frequency of both miniature and spontaneous inhibitory postsynaptic currents compared with control group. By contrast, the average amplitude of these currents was not changed between two groups. Additionally, the complete Freund adjuvant model did not change GABAA receptor-mediated tonic currents nor the set of evoked inhibitory postsynaptic currents when compared with control group. Importantly, protein expression of vesicular GABA transporter was reduced within the presynpase of the anterior cingulate cortex in complete Freund adjuvant model. In contrast, the complete Freund adjuvant model did not change the protein levels of GABAA receptors subunits such as α1, α5, β2, γ2, and δ. Conclusion Our results suggest that the induction phase of inflammatory pain involves spontaneous GABAergic plasticity at presynaptic terminals of the anterior cingulate cortex.
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Affiliation(s)
- Kohei Koga
- 1 Department of Neurophysiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan.,2 Department of Neurophysiology, Hyogo College of Medicine, Nishinomiya, Japan
| | - Shuji Shimoyama
- 1 Department of Neurophysiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan.,3 Research Center for Child Mental Development, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Akihiro Yamada
- 2 Department of Neurophysiology, Hyogo College of Medicine, Nishinomiya, Japan
| | - Tomonori Furukawa
- 1 Department of Neurophysiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Yoshikazu Nikaido
- 1 Department of Neurophysiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Hidemasa Furue
- 2 Department of Neurophysiology, Hyogo College of Medicine, Nishinomiya, Japan
| | - Kazuhiko Nakamura
- 3 Research Center for Child Mental Development, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
| | - Shinya Ueno
- 1 Department of Neurophysiology, Graduate School of Medicine, Hirosaki University, Hirosaki, Japan
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Nikaido Y, Furukawa T, Shimoyama S, Yamada J, Migita K, Koga K, Kushikata T, Hirota K, Kanematsu T, Hirata M, Ueno S. Propofol Anesthesia Is Reduced in Phospholipase C-Related Inactive Protein Type-1 Knockout Mice. J Pharmacol Exp Ther 2017; 361:367-374. [PMID: 28404686 DOI: 10.1124/jpet.116.239145] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/04/2017] [Indexed: 11/22/2022] Open
Abstract
The GABA type A receptor (GABAA-R) is a major target of intravenous anesthetics. Phospholipase C-related inactive protein type-1 (PRIP-1) is important in GABAA-R phosphorylation and membrane trafficking. In this study, we investigated the role of PRIP-1 in general anesthetic action. The anesthetic effects of propofol, etomidate, and pentobarbital were evaluated in wild-type and PRIP-1 knockout (PRIP-1 KO) mice by measuring the latency and duration of loss of righting reflex (LORR) and loss of tail-pinch withdrawal response (LTWR). The effect of pretreatment with okadaic acid (OA), a protein phosphatase 1/2A inhibitor, on propofol- and etomidate-induced LORR was also examined. PRIP-1 deficiency provided the reduction of LORR and LTWR induced by propofol but not by etomidate or pentobarbital, indicating that PRIP-1 could determine the potency of the anesthetic action of propofol. Pretreatment with OA recovered the anesthetic potency induced by propofol in PRIP-1 KO mice. OA injection enhanced phosphorylation of cortical the GABAA-R β3 subunit in PRIP-1 KO mice. These results suggest that PRIP-1-mediated GABAA-R β3 subunit phosphorylation might be involved in the general anesthetic action induced by propofol but not by etomidate or pentobarbital.
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Affiliation(s)
- Yoshikazu Nikaido
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Tomonori Furukawa
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Shuji Shimoyama
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Junko Yamada
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Keisuke Migita
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Kohei Koga
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Tetsuya Kushikata
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Kazuyoshi Hirota
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Takashi Kanematsu
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Masato Hirata
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
| | - Shinya Ueno
- Graduate School of Medicine (Y.N.), Department of Neurophysiology (Y.N., T.F., K.K., S.U.) and Department of Anesthesiology, Graduate School of Medicine (Y.N., T.Ku., K.H.), Research Center for Child Mental Development, Graduate School of Medicine (S.S., S.U.), and Department of Biomedical Sciences, Division of Medical Life Sciences, Graduate School of Health Sciences (J.Y.), Hirosaki University, Hirosaki, Japan; Department of Drug Informatics, Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka, Japan (K.M.); Department of Cellular and Molecular Pharmacology, Division of Basic Life Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan (T.Ka.); Laboratory of Molecular and Cellular Biochemistry, Faculty of Dental Science, Kyushu University, Fukuoka, Japan (M.H.); Fukuoka Dental College, Fukuoka, Japan (M.H.)
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Rodrigues RJ, Almeida T, Díaz-Hernández M, Marques JM, Franco R, Solsona C, Miras-Portugal MT, Ciruela F, Cunha RA. Presynaptic P2X1-3 and α3-containing nicotinic receptors assemble into functionally interacting ion channels in the rat hippocampus. Neuropharmacology 2016; 105:241-257. [PMID: 26801076 DOI: 10.1016/j.neuropharm.2016.01.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 12/20/2015] [Accepted: 01/18/2016] [Indexed: 01/10/2023]
Abstract
Previous studies documented a cross-talk between purinergic P2X (P2XR) and nicotinic acetylcholine receptors (nAChR) in heterologous expression systems and peripheral preparations. We now investigated if this occurred in native brain preparations and probed its physiological function. We found that P2XR and nAChR were enriched in hippocampal terminals, where both P2X1-3R and α3, but not α4, nAChR subunits were located in the active zone and in dopamine-β-hydroxylase-positive hippocampal terminals. Notably, P2XR ligands displaced nAChR binding and nAChR ligands displaced P2XR binding to hippocampal synaptosomes. In addition, a negative P2XR/nAChR cross-talk was observed in the control of the evoked release of noradrenaline from rat hippocampal synaptosomes, characterized by a less-than-additive facilitatory effect upon co-activation of both receptors. This activity-dependent cross-inhibition was confirmed in Xenopus oocytes transfected with P2X1-3Rs and α3β2 (but not α4β2) nAChR. Besides, P2X2 co-immunoprecipitated α3β2 (but not α4β2) nAChR, both in HEK cells and rat hippocampal membranes indicating that this functional interaction is supported by a physical association between P2XR and nAChR. Moreover, eliminating extracellular ATP with apyrase in hippocampal slices promoted the inhibitory effect of the nAChR antagonist tubocurarine on noradrenaline release induced by high- but not low-frequency stimulation. Overall, these results provide integrated biochemical, pharmacological and functional evidence showing that P2X1-3R and α3β2 nAChR are physically and functionally interconnected at the presynaptic level to control excessive noradrenergic terminal activation upon intense synaptic firing in the hippocampus.
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Affiliation(s)
- Ricardo J Rodrigues
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Portugal.
| | - Teresa Almeida
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Portugal; Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, 08028, Spain; Department of Pathology and Experimental Therapeutics, Faculty of Medicine, IDIBELL, University of Barcelona, 08907, Spain
| | - Miguel Díaz-Hernández
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary, Complutense University of Madrid, 28040, Spain
| | - Joana M Marques
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Portugal
| | - Rafael Franco
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Barcelona, 08028, Spain; CIBERNED, Centro de Investigación en Red, Enfermedades Neurodegenerativas, Instituto de Salud Carlos III, Madrid, Spain
| | - Carles Solsona
- Department of Pathology and Experimental Therapeutics, Faculty of Medicine, IDIBELL, University of Barcelona, 08907, Spain
| | - María Teresa Miras-Portugal
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary, Complutense University of Madrid, 28040, Spain
| | - Francisco Ciruela
- Department of Pathology and Experimental Therapeutics, Faculty of Medicine, IDIBELL, University of Barcelona, 08907, Spain; Department of Physiology, Faculty of Sciences, University of Ghent, B-9000, Belgium
| | - Rodrigo A Cunha
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504, Portugal; Faculty of Medicine, University of Coimbra, 3004-504, Portugal
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