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Kitanaka N, Hall FS, Tanaka KI, Tomita K, Igarashi K, Nishiyama N, Sato T, Uhl GR, Kitanaka J. Are Histamine H 3 Antagonists the Definitive Treatment for Acute Methamphetamine Intoxication? Curr Drug Res Rev 2022; 14:162-170. [PMID: 35431009 DOI: 10.2174/2589977514666220414122847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/21/2021] [Accepted: 12/31/2021] [Indexed: 06/14/2023]
Abstract
BACKGROUND Methamphetamine (METH) is classified as a Schedule II stimulant drug under the United Nations Convention on Psychotropic Substances of 1971. METH and other amphetamine analogues (AMPHs) are powerful addictive drugs. Treatments are needed to treat the symptoms of METH addiction, chronic METH use, and acute METH overdose. No effective treatment for METH abuse has been established because alterations of brain functions under the excessive intake of abused drug intake are largely irreversible due in part to brain damage that occurs in the course of chronic METH use. OBJECTIVE Modulation of brain histamine neurotransmission is involved in several neuropsychiatric disorders, including substance use disorders. This review discusses the possible mechanisms underlying the therapeutic effects of histamine H3 receptor antagonists on symptoms of methamphetamine abuse. CONCLUSION Treatment of mice with centrally acting histamine H3 receptor antagonists increases hypothalamic histamine contents and reduces high-dose METH effects while potentiating lowdose effects via histamine H3 receptors that bind released histamine. On the basis of experimental evidence, it is hypothesized that histamine H3 receptors may be an effective target for the treatment METH use disorder or other adverse effects of chronic METH use.
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Affiliation(s)
- Nobue Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, Hyogo 663-8501, Japan
| | - F Scott Hall
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, Ohio 43614, USA
| | - Koh-Ichi Tanaka
- Division of Pharmacology, Department of Pharmacy, School of Pharmacy, Hyogo University of Health Sciences, Hyogo 650-8530, Japan
| | - Kazuo Tomita
- Department of Applied Pharmacology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Japan
| | - Kento Igarashi
- Neurology and Research Services, New Mexico VA Healthcare System, Albuquerque, New Mexico 87108, USA
| | - Nobuyoshi Nishiyama
- Division of Pharmacology, Department of Pharmacy, School of Pharmacy, Hyogo University of Health Sciences, Hyogo 650-8530, Japan
| | - Tomoaki Sato
- Department of Applied Pharmacology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima 890-8544, Japan
| | - George R Uhl
- Neurology and Research Services, New Mexico VA Healthcare System, Albuquerque, New Mexico 87108, USA
- Departments of Neurology, Neuroscience, Molecular Genetics and Microbiology, University of New Mexico, Albuquerque, New Mexico 87131, USA
| | - Junichi Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, Hyogo 663-8501, Japan
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Histamine N-Methyltransferase in the Brain. Int J Mol Sci 2019; 20:ijms20030737. [PMID: 30744146 PMCID: PMC6386932 DOI: 10.3390/ijms20030737] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/08/2019] [Accepted: 02/08/2019] [Indexed: 12/13/2022] Open
Abstract
Brain histamine is a neurotransmitter and regulates diverse physiological functions. Previous studies have shown the involvement of histamine depletion in several neurological disorders, indicating the importance of drug development targeting the brain histamine system. Histamine N-methyltransferase (HNMT) is a histamine-metabolising enzyme expressed in the brain. Although pharmacological studies using HNMT inhibitors have been conducted to reveal the direct involvement of HNMT in brain functions, HNMT inhibitors with high specificity and sufficient blood–brain barrier permeability have not been available until now. Recently, we have phenotyped Hnmt-deficient mice to elucidate the importance of HNMT in the central nervous system. Hnmt disruption resulted in a robust increase in brain histamine concentration, demonstrating the essential role of HNMT in the brain histamine system. Clinical studies have suggested that single nucleotide polymorphisms of the human HNMT gene are associated with several brain disorders such as Parkinson’s disease and attention deficit hyperactivity disorder. Postmortem studies also have indicated that HNMT expression is altered in human brain diseases. These findings emphasise that an increase in brain histamine levels by novel HNMT inhibitors could contribute to the improvement of brain disorders.
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Kitanaka J, Kitanaka N, Hall FS, Uhl GR, Takemura M. Brain Histamine N-Methyltransferase As a Possible Target of Treatment for Methamphetamine Overdose. Drug Target Insights 2016; 10:1-7. [PMID: 26966348 PMCID: PMC4777238 DOI: 10.4137/dti.s38342] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 01/25/2016] [Accepted: 01/27/2016] [Indexed: 12/18/2022] Open
Abstract
Stereotypical behaviors induced by methamphetamine (METH) overdose are one of the overt symptoms of METH abuse, which can be easily assessed in animal models. Currently, there is no successful treatment for METH overdose. There is increasing evidence that elevated levels of brain histamine can attenuate METH-induced behavioral abnormalities, which might therefore constitute a novel therapeutic treatment for METH abuse and METH overdose. In mammals, histamine N-methyltransferase (HMT) is the sole enzyme responsible for degrading histamine in the brain. Metoprine, one of the most potent HMT inhibitors, can cross the blood-brain barrier and increase brain histamine levels by inhibiting HMT. Consequently, this compound can be a candidate for a prototype of drugs for the treatment of METH overdose.
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Affiliation(s)
- Junichi Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, Hyogo, Japan
| | - Nobue Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, Hyogo, Japan
| | - F Scott Hall
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, University of Toledo, Toledo, OH, USA
| | - George R Uhl
- New Mexico VA Healthcare System/BRINM, Albuquerque, NM, USA
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Osorio-Espinoza A, Escamilla-Sánchez J, Aquino-Jarquin G, Arias-Montaño JA. Homologous desensitization of human histamine H₃ receptors expressed in CHO-K1 cells. Neuropharmacology 2013; 77:387-97. [PMID: 24161268 DOI: 10.1016/j.neuropharm.2013.09.011] [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: 04/05/2013] [Revised: 09/06/2013] [Accepted: 09/09/2013] [Indexed: 11/18/2022]
Abstract
Histamine H₃ receptors (H₃Rs) modulate the function of the nervous system at the pre- and post-synaptic levels. In this work we aimed to determine whether, as other G protein-coupled receptors (GPCRs), H₃Rs desensitize in response to agonist exposure. By using CHO-K1 cells stably transfected with the human H₃R (hH3R) we show that functional responses (inhibition of forskolin-induced cAMP accumulation in intact cells and stimulation of [(35)S]-GTPγS binding to cell membranes) were markedly reduced after agonist exposure. For cAMP accumulation assays the effect was significant at 60 min with a maximum at 90 min. Agonist exposure resulted in decreased binding sites for the radioligand [(3)H]-N-methyl-histamine ([(3)H]-NMHA) to intact cells and modified the sub-cellular distribution of H₃Rs, as detected by sucrose density gradients and [(3)H]-NMHA binding to cell membranes, suggesting receptor internalization. The reduction in the inhibition of forskolin-stimulated cAMP formation observed after agonist pre-incubation was prevented by incubation in hypertonic medium or in ice-cold medium. Agonist-induced loss in binding sites was also prevented by hypertonic medium or incubation at 4 °C, but not by filipin III, indicating clathrin-dependent endocytosis. Immunodetection showed that CHO-K1 cells express GPCR kinases (GRKs) 2/3, and both the GRK general inhibitor ZnCl₂ and a small interfering RNA against GRK-2 reduced receptor desensitization. Taken together these results indicate that hH₃Rs experience homologous desensitization upon prolonged exposure to agonists, and that this process involves the action of GRK-2 and internalization via clathrin-coated vesicles.
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Affiliation(s)
- Angélica Osorio-Espinoza
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, Zacatenco, 07360 México, D.F., Mexico
| | - Juan Escamilla-Sánchez
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, Zacatenco, 07360 México, D.F., Mexico
| | - Guillermo Aquino-Jarquin
- Unidad de Investigación en Enfermedades Oncológicas, Hospital Infantil de México Federico Gómez, Dr. Márquez 162, Col. Doctores, 06720 México, D.F., Mexico
| | - José-Antonio Arias-Montaño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del IPN, Av. IPN 2508, Zacatenco, 07360 México, D.F., Mexico.
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Identification of the zebrafish ventral habenula as a homolog of the mammalian lateral habenula. J Neurosci 2010; 30:1566-74. [PMID: 20107084 DOI: 10.1523/jneurosci.3690-09.2010] [Citation(s) in RCA: 171] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The mammalian habenula consists of the medial and lateral habenulae. Recent behavioral and electrophysiological studies suggested that the lateral habenula plays a pivotal role in controlling motor and cognitive behaviors by influencing the activity of dopaminergic and serotonergic neurons. Despite the functional significance, manipulating neural activity in this pathway remains difficult because of the absence of a genetically accessible animal model such as zebrafish. To address the level of lateral habenula conservation in zebrafish, we applied the tract-tracing technique to GFP (green fluorescent protein)-expressing transgenic zebrafish to identify habenular neurons that project to the raphe nuclei, a major target of the mammalian lateral habenula. Axonal tracing in live and fixed fish showed projection of zebrafish ventral habenula axons to the ventral part of the median raphe, but not to the interpeduncular nucleus where the dorsal habenula projected. The ventral habenula expressed protocadherin 10a, a specific marker of the rat lateral habenula, whereas the dorsal habenula showed no such expression. Gene expression analyses revealed that the ventromedially positioned ventral habenula in the adult originated from the region of primordium lateral to the dorsal habenula during development. This suggested that zebrafish habenulae emerge during development with mediolateral orientation similar to that of the mammalian medial and lateral habenulae. These findings indicated that the lateral habenular pathways are evolutionarily conserved pathways and might control adaptive behaviors in vertebrates through the regulation of monoaminergic activities.
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Yokoyama A, Mori S, Takahashi HK, Kanke T, Wake H, Nishibori M. Effect of amodiaquine, a histamine N-methyltransferase inhibitor, on, Propionibacterium acnes and lipopolysaccharide-induced hepatitis in mice. Eur J Pharmacol 2007; 558:179-84. [PMID: 17222819 DOI: 10.1016/j.ejphar.2006.11.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2006] [Revised: 11/09/2006] [Accepted: 11/13/2006] [Indexed: 11/20/2022]
Abstract
We examined whether treatment with amodiaquine, a potent inhibitor of histamine N-methyltransferase protects mice from Propionibacterium acnes (P. acnes)-primed and lipopolysaccharide (LPS)-induced hepatitis. The subcutaneous injection of amodiaquine (2 and 5 mg/kg) significantly increased the histamine levels in the liver in comparison to saline treated mice. Pretreatment with amodiaquine also improved the survival rate of the hepatitis mice, and this improvement was partially associated with the decrease in serum levels of aspartate aminotransferase (AST) and alanine aminotransferase (ALT). Amodiaquine partially suppressed increases of tumor necrosis factor (TNF)-alpha in the serum and TNF-alpha mRNA expression in the liver, whereas the expression of interleukin (IL)-18, interferon (IFN)-gamma and IL-12 in the liver was not changed by amodiaquine treatment. In conclusion, the present findings suggested that the elevation of endogenous histamine by amodiaquine may thus play a protective role through the regulation of TNF-alpha production in endotoxin-induced hepatic injury mice.
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Affiliation(s)
- Akira Yokoyama
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Grassmann S, Apelt J, Ligneau X, Pertz HH, Arrang JM, Ganellin CR, Schwartz JC, Schunack W, Stark H. Search for Histamine H3Receptor Ligands with Combined Inhibitory Potency at HistamineN-Methyltransferase: ω-Piperidinoalkanamine Derivatives. Arch Pharm (Weinheim) 2004; 337:533-45. [PMID: 15476285 DOI: 10.1002/ardp.200400897] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In an effort to design new hybrid compounds with dual properties, i.e. binding affinity at histamine H(3) receptors and inhibitory potency at the catabolic enzyme histamine N(tau)-methyltransferase (HMT), a novel series of 1-substituted piperidine derivatives was synthesized. This alicyclic heterocycle is structurally linked via aminoalkyl spacers of variable lengths to additional aromatic carbo- or hetero-cycles. These new hybrid drugs were pharmacologically evaluated regarding their binding affinities at recombinant human H(3) receptors, stably expressed in CHO cells, and in a functional assay for their inhibitory potencies at rat kidney HMT. All compounds investigated proved to be H(3) receptor ligands with binding affinities in the micro- to nanomolar concentration range despite significant differences in the type of the aromatic moiety introduced. The most potent compound in this series was the quinoline derivative 20 (K(i) = 5.6 nM). Likewise, all new ligands studied showed impressive HMT inhibitory activities. Here, compounds 5, 10, 14 and 18-20 exhibited submicromolar potencies (IC(50) = 0.061-0.56 microM). The aminomethylated quinoline 19 showed almost the same, well balanced nanomolar activities on both targets. In this study, new hybrid compounds with a dual mode biological action were developed. These pharmacological agents are valuable leads for further development and candidates for treatment of histamine-dependent disorders.
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Affiliation(s)
- Sven Grassmann
- Institut für Pharmazie, Institut für Pharmazie, Berlin, Germany
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Kitanaka N, Kitanaka J, Walther D, Wang XB, Uhl GR. Comparative inter-strain sequence analysis of the putative regulatory region of murine psychostimulant-regulated gene GNB1 (G protein beta 1 subunit gene). ACTA ACUST UNITED AC 2004; 14:257-63. [PMID: 14631649 DOI: 10.1080/1042517031000149048] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
We isolated a cDNA clone from a murine genomic library of C57BL/6 strain, carrying 13.8 kb of nucleotides including exon 1 of heterotrimeric GTP-binding protein beta 1 subunit gene (genetic symbol, GNB1) and 10.6 kb of the 5' flanking region. Sequence comparison with GNB1 gene locus from 129Sv strain revealed a 0.2% divergence in a 13.2 kb common region between these two strains. The divergence consisted of eight single nucleotide polymorphisms, three insertions and one deletion, with 129Sv used as the reference. The exon 1 and the putative regulation elements, such as cyclic AMP response element, AP1, AP2, Sp1 and nuclear factor-kappa B recognition sites, were perfectly conserved. The expression of GNB1 mRNA was significantly increased in mouse striatum 2 h after single methamphetamine administration with an approximately 150% expression level compared with the basal level. In contrast, no change in the expression level was observed in the cerebral cortex. After the chronic methamphetamine treatment regimen, the expression level of GNB1 mRNA did not change in any brain regions examined. These results suggest (1) that the 5' flanking nucleotide sequence of GNB1 gene was strictly conserved for its possible contribution to the same change in the expression level between the mouse strains in response to psychostimulants and (2) that the initial process of development of behavioral sensitization appeared to occur parallel to the significant increase in the expression level of GNB1 gene in the mouse striatum.
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Affiliation(s)
- Nobue Kitanaka
- Molecular Neurobiology Branch, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, Department of Health and Human Services, Baltimore, MD 21224, USA.
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Takemura M, Kitanaka N, Kitanaka J. Signal transduction by histamine in the cerebellum and its modulation by N-methyltransferase. CEREBELLUM (LONDON, ENGLAND) 2003; 2:39-43. [PMID: 12882233 DOI: 10.1080/14734220310015601] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Histamine has been suggested to have roles as a neurotransmitter or a neuromodulator. Direct fiber connections between the hypothalamus and the cerebellum have recently been demonstrated and it is suggested that the cerebellum is involved in the control of autonomic and emotional functions. These fibers include histaminergic fibers. The components of histaminergic signal transmission are demonstrated in the cerebellum as follows: (1) the histaminergic fibers are visualized immunohistochemically in the cerebellar cortex of rat, guinea pig and human; (2) histamine H1 receptors are visualized by autoradiographic studies in the molecular layer of mouse and guinea pig. In situ hybridization study also detects the expression of H1 receptors in the Purkinje cells. H2 receptors are expressed in the Purkinje cells and granule cells of guinea pig; and (3) the application of histamine to the slices of guinea pig or rat cerebellar cortex elicits an increase in the turnover of phosphoinositides, so H1 receptors in the cerebellum are functional. Additionally, we have recently shown in the guinea pig that Purkinje cells express one of the histamine inactivating enzymes, and that inhibition of this enzyme enhances phosphoinositide turnover by histamine. Therefore, all the components of histaminergic neurotransmission are demonstrated in the cerebellum. These data suggest that histamine is involved in the signal transmission from the hypothalamus to the cerebellum. Here we review each component of histaminergic neurotransmission in the cerebellum.
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Affiliation(s)
- Motohiko Takemura
- Department of Pharmacology, Hyogo College of Medicine, Nishinomiya, Japan
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Kitanaka J, Kitanaka N, Takemura M. Chronic methamphetamine administration reduces histamine-stimulated phosphoinositide hydrolysis in mouse frontal cortex. Biochem Biophys Res Commun 2003; 300:932-7. [PMID: 12559963 DOI: 10.1016/s0006-291x(02)02948-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In the present study, it was hypothesized that in vivo pretreatment with repeated methamphetamine would alter the agonist-stimulated phosphoinositide hydrolysis in mouse frontal cortical slices. Male ICR mice that received the methamphetamine injection (1.0mg/kg, intraperitoneally) once a day for five consecutive days showed behavioral sensitization to the same dose of methamphetamine 5 days after the last injection of the initial chronic treatment regimen (test day 10). On test day 10, the reduction of histamine (0.1-1.0mM)-stimulated phosphoinositide hydrolysis in the mouse frontal cortex was observed. The reduction was specific to histamine, but not to norepinephrine (10 microM-0.1mM) or L-glutamate (0.1-0.5mM). The reduction occurred without any change in the expression level of histamine H(1) receptor mRNA. The reduction recovered 25 days after the last injection of the initial chronic treatment regimen (test day 30). The direct application to the slices of a pharmacologically effective concentration of methamphetamine in vitro (10 microM) did not alter the histamine signal transduction. The present results suggest that the reduction is probably one of neuroadaptations in the frontal cortex contributing to behavioral sensitization.
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Affiliation(s)
- Junichi Kitanaka
- Department of Pharmacology, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo 663-8501, Japan.
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