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Notaj A, Erfanparast A, Tamaddonfard E, Soltanalinejad-Taghiabad F. Exogenous histamine and H 2 receptor activation and H 3 receptor inhibition in nucleus accumbens modulate formalin-induced orofacial nociception through opioid receptors. Behav Pharmacol 2024; 35:66-78. [PMID: 37578392 DOI: 10.1097/fbp.0000000000000746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
It has been demonstrated that the nucleus accumbens (NAc) plays an important role in modulation of nociception due to its extensive connections with different regions of the brain. In addition, this nucleus receives histaminergic projections from tuberomammillary nucleus. Considering the role of the central histaminergic system in nociception, the effect of histamine and its H 2 and H 3 receptors agonist and antagonist microinjections into the NAc on orofacial formalin nociception was investigated. In male Wistar rats, using stereotaxic surgery, two guide cannulas were bilaterally implanted into the right and left sides of the NAc. Diluted formalin solution (1.5%, 50 µl) injection into the vibrissa pad led to orofacial nociception. Immediately after injection, face rubbing was observed at 3-min blocks for 45 min. Orofacial formalin nociception was characterized by a biphasic nociceptive response (first phase: 0-3 min and second phase: 15-33 min). Microinjections of histamine (0.5 and 1 μg/site), dimaprit (1 μg/site, H 2 receptor agonist) and thioperamide (2 μg/site, H 3 receptor antagonist) attenuated both phases of formalin orofacial nociception. Prior microinjection of famotidine (2 μg/site) inhibited the antinociceptive effects of dimaprit (1 μg/site). Furthermore, comicroinjection of thioperamide (2 μg/site) and immepip (1 μg/site) prevented thioperamide (2 μg/site)-induced antinociception. Naloxone (2 μg/site) also prevented histamine, dimaprit- and thioperamide-induced antinociception. The results of this study demonstrate that at the level of the NAc, histamine and its H 2 and H 3 receptors are probably involved in the modulation of orofacial nociception with an opioid system-dependent mechanism.
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Affiliation(s)
- Azam Notaj
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Serow Highway, Urmia
| | - Amir Erfanparast
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Serow Highway, Urmia
| | - Esmaeal Tamaddonfard
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Serow Highway, Urmia
| | - Farhad Soltanalinejad-Taghiabad
- Division of Anatomy, Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Serow highway, Urmia, Iran
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Acupuncture Alleviates Menstrual Pain in Rat Model via Suppressing Eotaxin/CCR3 Axis to Weak EOS-MC Activation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4571981. [PMID: 35069759 PMCID: PMC8776494 DOI: 10.1155/2022/4571981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 01/04/2022] [Indexed: 11/17/2022]
Abstract
Introduction Emerging data show that chemokine-mediated inflammation is involved in the occurrence and maintenance of pain. Recent evidence suggests that eotaxin levels rise when dysmenorrhea happens. The purpose of this study is to investigate whether eotaxin/CC chemokine receptor 3 (CCR3) axis, a key regulatory pathway for eosinophils (EOS) recruitment, is involved in acupuncture analgesia for dysmenorrhea. Methods After the cold congealing dysmenorrhea (CCD) rat model prepared, animals received perpendicular needling (PN) and transverse needling (TN) at SP6, respectively, for 20 min. The CCR3 agonist CCL11 was administered 30 min prior to acupuncture. Pain behavior was assessed via a writhing response. The uterine contraction test was detected by an electrophysiological method. Eotaxin, histamine (HIS), and interleukin-6 (IL-6) levels were evaluated by ELISA. The expression of CCR3 and histamine H1 receptor (H1R) was analyzed by RT-qPCR and Western blot. The expression of EOS, mast cells (MCs), eosinophil peroxidase (EPO), and eosinophil cationic protein (ECP) was assessed by hematoxylin-eosin staining (HE), Toluidine Blue staining (TB), and immunohistochemistry, respectively. Results Acupuncture prominently attenuated the menstrual pain in CCD rats, particularly TN technique. Electrophysiological recording data showed that the increased uterine contractility was ameliorated by acupuncture. In addition, TN decreased the release of eotaxin, HIS, IL-6, and the expression of CCR3 and H1R. HE, TB staining, and immunohistochemistry experiments showed that the increased expression of EOS, MCs, EPO, and ECP in uterine tissues was reversed by TN. Furthermore, we found that the effects of TN against CCD-induced menstrual pain, increased ECP expression, and HIS level were abolished by CCL11. Conclusion TN alleviated menstrual pain by improving the uterine inflammatory environment via suppressing eotaxin/CCR3 axis to weak EOS-MC activation in CCD rats. The study findings support the acupuncture as a promising approach for dysmenorrhea, meanwhile, indicating the importance of performing appropriate needling technique.
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Patel D, Vishwakarma PK, Patel R, Jain NS. Central histaminergic transmission modulates the expression of chronic nicotine withdrawal induced anxiety-like and somatic behavior in mice. Behav Brain Res 2020; 399:112997. [PMID: 33166570 DOI: 10.1016/j.bbr.2020.112997] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 10/09/2020] [Accepted: 10/30/2020] [Indexed: 12/01/2022]
Abstract
The present study investigated the plausible modulatory role of central histaminergic transmission on the expression of nicotine withdrawal induced anxiety and somatic behavior in mice. Abrupt cessation of chronic nicotine (2 mg/kg, i.p. × 3/day) treatment for 12 days to mice, expressed increased anxiety in light & dark test and total abstinence (somatic) score at 24 h post nicotine withdrawal time. The somatic signs includes a composite score of all behaviors such as grooming, rearing, jumping, body shakes, forelimb tremors, head shakes, abdominal constrictions, scratching, empty mouth chewing or teeth chattering, genital licking, tail licking. Mice exhibited higher expression to nicotine withdrawal induced anxiety in light & dark test at 24 h post-nicotine withdrawal time on pre-treatment centrally (i.c.v) with histaminergic agents like histamine (0.1, 50 μg/mouse), histamine H3 receptor inverse agonist, thioperamide (2, 10 μg/mouse), histamine H1 receptor agonist, FMPH (2, 6.5 μg/mouse) or H2 receptor agonist amthamine (0.1, 0.5 μg/mouse) or intraperitoneally (i.p.) with histamine precursor, l-histidine (250, 500 mg/kg) as compared to control nicotine withdrawn animals. Furthermore, mice pre-treated with all these histaminergic agents except histamine H1 receptor agonist, FMPH shows exacerbated expression to post-nicotine withdrawal induced total abstinence (somatic) score in mice. On the other hand, central injection of selective histamine H1 receptor antagonist, cetirizine (0.1 μg/mouse, i.c.v.) or H2 receptor antagonist, ranitidine (50 μg/mouse, i.c.v) to mice 10 min before 24 h post-nicotine withdrawal time completely alleviated the expression of nicotine withdrawal induced anxiety and somatic behavior. Thus, it can be contemplated that the blockade of central histamine H1 or H2 receptor during the nicotine withdrawal phase could be a novel approach to mitigate the nicotine withdrawal associated anxiety-like manifestations. Contribution of endogenous histamine via H1 or H2 receptor stimulation in the nicotine withdrawal induced anxiety and somatic behavior is proposed.
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Affiliation(s)
- Deepak Patel
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, 495009, India
| | - Prabhat Kumar Vishwakarma
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, 495009, India
| | - Richa Patel
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, 495009, India
| | - Nishant Sudhir Jain
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Guru Ghasidas University (A Central University), Koni, Bilaspur, Chhattisgarh, 495009, India.
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Synthesis and evaluation of histamine H3 receptor ligand based on lactam scaffold as agents for treating neuropathic pain. Bioorg Med Chem Lett 2019; 29:1492-1496. [DOI: 10.1016/j.bmcl.2019.04.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 04/07/2019] [Indexed: 11/30/2022]
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Ely MR, Sieck DC, Mangum JE, Larson EA, Brito LC, Minson CT, Halliwill JR. Histamine-Receptor Antagonists Slow 10-km Cycling Performance in Competitive Cyclists. Med Sci Sports Exerc 2019; 51:1487-1497. [PMID: 30694974 DOI: 10.1249/mss.0000000000001911] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Histamine is released within skeletal muscle during exercise. In humans, antihistamines have no effect on speed, power output, or time-to-completion of short-duration high-intensity exercise. In mice, blocking histamine's actions decreases speed and duration of endurance tasks. It is unknown if these opposing outcomes are the result of differences in histamine's actions between species or are related to duration and/or intensity of exercise, as blocking histamine during endurance exercise has not been examined in humans. PURPOSE Determine the effects of histamine-receptor antagonism on cycling time trial performance in humans, with and without a preceding bout of sustained steady-state exercise. METHODS Eleven (3F) competitive cyclists performed six 10-km time trials on separate days. The first two time trials served as familiarization. The next four time trials were performed in randomized-block order, where two were preceded by 120 min of seated rest (rest) and two by 120 min of cycling exercise (Exercise) at 50% V˙O2peak. Within each block, subjects consumed either combined histamine H1 and H2 receptor antagonists (Blockade) or Placebo, before the start of the 120-min Rest/Exercise. RESULTS Blockade had no discernible effects on hemodynamic or metabolic variables during Rest or Exercise. However, Blockade increased time-to-completion of the 10-km time trial compared with Placebo (+10.5 ± 3.7 s, P < 0.05). Slowing from placebo to blockade was not different between rest (+8.7 ± 5.2 s) and Exercise (+12.3 ± 5.8 s, P = 0.716). CONCLUSIONS Exercise-related histaminergic signaling appears inherent to endurance exercise and may play a role in facilitating optimal function during high-intensity endurance exercise.
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Affiliation(s)
- Matthew R Ely
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Dylan C Sieck
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Joshua E Mangum
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Emily A Larson
- Department of Human Physiology, University of Oregon, Eugene, OR
| | - Leandro C Brito
- School of Physical Education and Sport, University of São Paulo, São Paulo, BRAZIL
| | | | - John R Halliwill
- Department of Human Physiology, University of Oregon, Eugene, OR
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Vieira JS, Toreti JA, de Carvalho RC, de Araújo JE, Silva ML, Silva JR. Analgesic Effects Elicited by Neuroactive Mediators Injected into the ST 36 Acupuncture Point on Inflammatory and Neuropathic Pain in Mice. J Acupunct Meridian Stud 2018; 11:280-289. [DOI: 10.1016/j.jams.2018.05.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 05/16/2018] [Accepted: 05/25/2018] [Indexed: 01/07/2023] Open
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7
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Verma L, Agrawal D, Jain NS. Enhanced central histaminergic transmission attenuates compulsive-like behavior in mice. Neuropharmacology 2018; 138:106-117. [DOI: 10.1016/j.neuropharm.2018.05.031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Revised: 05/23/2018] [Accepted: 05/24/2018] [Indexed: 12/18/2022]
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Chaumette T, Chapuy E, Berrocoso E, Llorca-Torralba M, Bravo L, Mico JA, Chalus M, Eschalier A, Ardid D, Marchand F, Sors A. Effects of S 38093, an antagonist/inverse agonist of histamine H3 receptors, in models of neuropathic pain in rats. Eur J Pain 2017; 22:127-141. [PMID: 28877402 DOI: 10.1002/ejp.1097] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/30/2017] [Indexed: 11/08/2022]
Abstract
BACKGROUND Histamine H3 receptors are mainly expressed on CNS neurons, particularly along the nociceptive pathways. The potential involvement of these receptors in pain processing has been suggested using H3 receptor inverse agonists. METHODS The antinociceptive effect of S 38093, a novel inverse agonist of H3 receptors, has been evaluated in several neuropathic pain models in rat and compared with those of gabapentin and pregabalin. RESULTS While S 38093 did not change vocalization thresholds to paw pressure in healthy rats, it exhibited a significant antihyperalgesic effect in the Streptozocin-induced diabetic (STZ) neuropathy model after acute and chronic administration and, in the chronic constriction injury (CCI) model only after chronic administration, submitted to the paw-pressure test. Acute S 38093 administration at all doses tested displayed a significant cold antiallodynic effect in a model of acute or repeated administration of oxaliplatin-induced neuropathy submitted to cold tail immersion, cold allodynia being the main side effect of oxaliplatin in patients. The effect of S 38093 increased following chronic administration (i.e. twice a day during 5 days) in the CCI and STZ models except in the oxaliplatin models where its effect was already maximal from the first administration The kinetics and size of effect of S 38093 were similar to gabapentin and/or pregabalin. Finally, the antinociceptive effect of S 38093 could be partially mediated by α2 adrenoreceptors desensitization in the locus coeruleus. CONCLUSIONS These results highlight the interest of S 38093 to relieve neuropathic pain and warrant clinical trials especially in chemotherapeutic agent-induced neuropathic pain. SIGNIFICANCE S 38093, a new H3 antagonist/inverse agonist, displays antiallodynic and antihyperalgesic effect in neuropathic pain, especially in oxaliplatin-induced neuropathy after chronic administration. This effect of S 38093 in neuropathic pain could be partly mediated by α2 receptors desensitization in the locus coeruleus.
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Affiliation(s)
- T Chaumette
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - E Chapuy
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - E Berrocoso
- Neuropsychopharmacology and Psychobiology Research Laboratory, University of Cádiz, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - M Llorca-Torralba
- Neuropsychopharmacology and Psychobiology Research Laboratory, University of Cádiz, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.,Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Cádiz, Spain
| | - L Bravo
- Neuropsychopharmacology and Psychobiology Research Laboratory, University of Cádiz, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.,Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Cádiz, Spain
| | - J A Mico
- Neuropsychopharmacology and Psychobiology Research Laboratory, University of Cádiz, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain.,Instituto de Investigación e Innovación en Ciencias Biomédicas de Cádiz, INiBICA, Hospital Universitario Puerta del Mar, Cádiz, Spain
| | - M Chalus
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - A Eschalier
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - D Ardid
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - F Marchand
- Université Clermont Auvergne, Inserm U1107 Neuro-Dol, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - A Sors
- Institut de Recherches Internationales Servier (I.R.I.S.), Suresnes Cedex, France
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Takahashi M, Shima K, Tsuchiya M, Hagiwara Y, Mizoguchi H, Sakurada S, Sugawara S, Fujita T, Tadano T, Watanabe M, Fukumoto S, Endo Y. Analgesic Effects of 1st Generation Anti-histamines in Mice. Biol Pharm Bull 2017; 39:620-4. [PMID: 27040636 DOI: 10.1248/bpb.b15-00755] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Pain is sensed, transmitted, and modified by a variety of mediators and receptors. Histamine is a well-known mediator of pain. In addition to their anti-histaminic effects, the classical, or 1st generation, anti-histamines (1st AHs) possess, to various degrees, anti-muscarinic, anti-serotonergic, anti-adrenergic, and other pharmacologic effects. Although there have been attempts to use 1st AHs as analgesics and/or analgesic adjuvants, the advent of non-steroidal anti-inflammatory drugs (NSAIDs) discouraged such trials. We previously reported that in patients with temporomandibular disorders, osteoporosis, and/or osteoarthritis, the analgesic effects of certain 1st AHs (chlorpheniramine and diphenhydramine) are superior to those of the NSAIDs flurbiprofen and indomethacin. Here, we compared analgesic effects among 1st AHs and NSAIDs against responses shown by mice to intraperitoneally injected 0.7% acetic acid. Since 1st AHs are water soluble, we selected water-soluble NSAIDs. For direct comparison, drugs were intravenously injected 30 min before the above tests. Histamine-H1-receptor-deficient (H1R-KO) mice were used for evaluating H1-receptor-independent effects. The tested 1st AHs (especially cyproheptadine) displayed or tended to display analgesic effects comparable to those of NSAIDs in normal and H1R-KO mice. Our data suggest that the anti-serotonergic and/or anti-adrenergic effects of 1st AHs make important contributions to their analgesic effects. Moreover, combination of a 1st AH with an NSAID (cyclooxygenase-1 inhibitor) produced remarkably potent analgesic effects. We propose that a 1st AH, by itself or in combination with a cyclooxygenase-1 inhibitor, should undergo testing to evaluate its usefulness in analgesia.
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Affiliation(s)
- Mebae Takahashi
- Division of Molecular Regulation, Tohoku University Graduate School of Dentistry
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Verma L, Jain NS. Central histaminergic transmission modulates the ethanol induced anxiolysis in mice. Behav Brain Res 2016; 313:38-52. [DOI: 10.1016/j.bbr.2016.07.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 06/30/2016] [Accepted: 07/07/2016] [Indexed: 01/03/2023]
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Pini A, Obara I, Battell E, Chazot PL, Rosa AC. Histamine in diabetes: Is it time to reconsider? Pharmacol Res 2016; 111:316-324. [DOI: 10.1016/j.phrs.2016.06.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 06/20/2016] [Accepted: 06/21/2016] [Indexed: 10/21/2022]
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12
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Ely MR, Romero SA, Sieck DC, Mangum JE, Luttrell MJ, Halliwill JR. A single dose of histamine-receptor antagonists before downhill running alters markers of muscle damage and delayed-onset muscle soreness. J Appl Physiol (1985) 2016; 122:631-641. [PMID: 27493198 DOI: 10.1152/japplphysiol.00518.2016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 07/13/2016] [Accepted: 07/28/2016] [Indexed: 11/22/2022] Open
Abstract
Histamine contributes to elevations in skeletal muscle blood flow following exercise, which raises the possibility that histamine is an important mediator of the inflammatory response to exercise. We examined the influence of antihistamines on postexercise blood flow, inflammation, muscle damage, and delayed-onset muscle soreness (DOMS) in a model of moderate exercise-induced muscle damage. Subjects consumed either a combination of fexofenadine and ranitidine (blockade, n = 12) or nothing (control, n = 12) before 45 min of downhill running (-10% grade). Blood flow to the leg was measured before and throughout 120 min of exercise recovery. Markers of inflammation, muscle damage, and DOMS were obtained before and at 0, 6, 12, 24, 48, and 72 h postexercise. At 60 min postexercise, blood flow was reduced ~29% with blockade compared with control (P < 0.05). Markers of inflammation were elevated after exercise (TNF-ɑ, IL-6), but did not differ between control and blockade. Creatine kinase concentrations peaked 12 h after exercise, and the overall response was greater with blockade (18.3 ± 3.2 kU·l-1·h-1) compared with control (11.6 ± 2.0 kU·l-1·h-1; P < 0.05). Reductions in muscle strength in control (-19.3 ± 4.3% at 24 h) were greater than blockade (-7.8 ± 4.8%; P < 0.05) and corresponded with greater perceptions of pain/discomfort in control compared with blockade. In conclusion, histamine-receptor blockade reduced postexercise blood flow, had no effect on the pattern of inflammatory markers, increased serum creatine kinase concentrations, attenuated muscle strength loss, and reduced pain perception following muscle-damaging exercise.NEW & NOTEWORTHY Histamine appears to be intimately involved with skeletal muscle during and following exercise. Blocking histamine's actions during muscle-damaging exercise, via common over-the-counter antihistamines, resulted in increased serum creatine kinase, an indirect marker of muscle damage. Paradoxically, blocking histamine's actions attenuated muscle strength loss and reduced perceptions of muscle pain for 72 h following muscle-damaging exercise. These results indicate that exercise-induced histamine release may have a broad impact on protecting muscle from exercise-induced damage.
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Affiliation(s)
- Matthew R Ely
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Steven A Romero
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Dylan C Sieck
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | - Joshua E Mangum
- Department of Human Physiology, University of Oregon, Eugene, Oregon
| | | | - John R Halliwill
- Department of Human Physiology, University of Oregon, Eugene, Oregon
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Khanfar MA, Affini A, Lutsenko K, Nikolic K, Butini S, Stark H. Multiple Targeting Approaches on Histamine H3 Receptor Antagonists. Front Neurosci 2016; 10:201. [PMID: 27303254 PMCID: PMC4884744 DOI: 10.3389/fnins.2016.00201] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Accepted: 04/25/2016] [Indexed: 01/23/2023] Open
Abstract
With the very recent market approval of pitolisant (Wakix®), the interest in clinical applications of novel multifunctional histamine H3 receptor antagonists has clearly increased. Since histamine H3 receptor antagonists in clinical development have been tested for a variety of different indications, the combination of pharmacological properties in one molecule for improved pharmacological effects and reduced unwanted side-effects is rationally based on the increasing knowledge on the complex neurotransmitter regulations. The polypharmacological approaches on histamine H3 receptor antagonists on different G-protein coupled receptors, transporters, enzymes as well as on NO-signaling mechanism are described, supported with some lead structures.
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Affiliation(s)
- Mohammad A Khanfar
- Stark Lab, Institut fuer Pharmazeutische and Medizinische Chemie, Heinrich-Heine-Universitaet DuesseldorfDuesseldorf, Germany; Faculty of Pharmacy, The University of JordanAmman, Jordan
| | - Anna Affini
- Stark Lab, Institut fuer Pharmazeutische and Medizinische Chemie, Heinrich-Heine-Universitaet Duesseldorf Duesseldorf, Germany
| | - Kiril Lutsenko
- Stark Lab, Institut fuer Pharmazeutische and Medizinische Chemie, Heinrich-Heine-Universitaet Duesseldorf Duesseldorf, Germany
| | - Katarina Nikolic
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Belgrade Belgrade, Serbia
| | - Stefania Butini
- Department of Biotechnology, Chemistry, and Pharmacy, European Research Centre for Drug Discovery and Development, University of Siena Siena, Italy
| | - Holger Stark
- Stark Lab, Institut fuer Pharmazeutische and Medizinische Chemie, Heinrich-Heine-Universitaet Duesseldorf Duesseldorf, Germany
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Spinal histamine in attenuation of mechanical hypersensitivity in the spinal nerve ligation-induced model of experimental neuropathy. Eur J Pharmacol 2016; 772:1-10. [DOI: 10.1016/j.ejphar.2015.12.039] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 11/17/2015] [Accepted: 12/22/2015] [Indexed: 12/20/2022]
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Jain NS, Tandi L, Verma L. Contribution of the central histaminergic transmission in the cataleptic and neuroleptic effects of haloperidol. Pharmacol Biochem Behav 2015; 139:59-66. [DOI: 10.1016/j.pbb.2015.10.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 09/16/2015] [Accepted: 10/07/2015] [Indexed: 10/22/2022]
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Erfanparast A, Tamaddonfard E, Taati M, Dabaghi M. Role of the thalamic submedius nucleus histamine H1 and H 2 and opioid receptors in modulation of formalin-induced orofacial pain in rats. Naunyn Schmiedebergs Arch Pharmacol 2015; 388:1089-96. [PMID: 26077661 DOI: 10.1007/s00210-015-1143-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 06/04/2015] [Indexed: 01/20/2023]
Abstract
Histamine and opioid systems are involved in supraspinal modulation of pain. In this study, we investigated the effects of separate and combined microinjections of agonists and antagonists of histamine H1 and H2 and opioid receptors into the thalamic submedius (Sm) nucleus on the formalin-induced orofacial pain. Two guide cannulas were implanted into the right and left sides of the Sm in ketamine- and xylazine-anesthetized rats. Orofacial formalin pain was induced by subcutaneous injection of a diluted formalin solution (50 μl, 1.5%) into the vibrissa pad. Face rubbing durations were recorded at 3-min blocks for 45 min. Formalin produced a biphasic pain response (first phase: 0-3 min and second phase: 15-33 min). Separate and combined microinjections of histamine H1 and H2 receptor agonists, 2-pyridylethylamine (2-PEA) and dimaprit, respectively, and opioid receptor agonist, morphine, attenuated the second phase of pain. The analgesic effects induced by 2-PEA, dimaprit, and morphine were blocked by prior microinjections of fexofenadine (a histamine H1 receptor antagonist), famotidine (a histamine H2 receptor antagonist), and naloxone (an opioid receptor antagonist), respectively. Naloxone also prevented 2-PEA- and dimaprit-induced antinociception, and the analgesic effect induced by morphine was inhibited by fexofenadine and famotidine. These results showed the involvement of histamine H1 and H2 and opioid receptors in the Sm modulation of orofacial pain. Opioid receptor might be involved in analgesia induced by activation of histamine H1 and H2 receptors and vice versa.
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Affiliation(s)
- Amir Erfanparast
- Division of Physiology, Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, 57153-1177, Iran,
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Baronio D, Castro K, Gonchoroski T, de Melo GM, Nunes GDF, Bambini-Junior V, Gottfried C, Riesgo R. Effects of an H3R antagonist on the animal model of autism induced by prenatal exposure to valproic acid. PLoS One 2015; 10:e0116363. [PMID: 25560049 PMCID: PMC4283962 DOI: 10.1371/journal.pone.0116363] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Accepted: 12/08/2014] [Indexed: 12/17/2022] Open
Abstract
Autism spectrum disorders (ASD) are a group of neurodevelopmental disorders primarily characterized by impaired social interaction and communication, and by restricted repetitive behaviors and interests. Ligands of histamine receptor 3 (H3R) are considered potential therapeutic agents for the treatment of different brain disorders and cognitive impairments. Considering this, the aim of the present study is to evaluate the actions of ciproxifan (CPX), an H3R antagonist, on the animal model of autism induced by prenatal exposure to valproic acid (VPA). Swiss mice were prenatally exposed to VPA on embryonic day 11 and assessed for social behavior, nociceptive threshold and repetitive behavior at 50 days of life. The treatment with CPX (3 mg/kg) or saline was administered 30 minutes before each behavioral test. The VPA group presented lower sociability index compared to VPA animals that were treated with CPX. Compared to the Control group, VPA animals presented a significantly higher nociceptive threshold, and treatment with CPX was not able to modify this parameter. In the marble burying test, the number of marbles buried by VPA animals was consistent with markedly repetitive behavior. VPA animals that received CPX buried a reduced amount of marbles. In summary, we report that an acute dose of CPX is able to attenuate sociability deficits and stereotypies present in the VPA model of autism. Our findings have the potential to help the investigations of both the molecular underpinnings of ASD and of possible treatments to ameliorate the ASD symptomatology, although more research is still necessary to corroborate and expand this initial data.
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Affiliation(s)
- Diego Baronio
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- * E-mail:
| | - Kamila Castro
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Taylor Gonchoroski
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gabriela Mueller de Melo
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo Della Flora Nunes
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Victorio Bambini-Junior
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Carmem Gottfried
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Rudimar Riesgo
- Translational Research Group in Autism Spectrum Disorders, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Postgraduate Program in Child and Adolescent Health, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Research Group in Neuroglial Plasticity, Department of Biochemistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
- Child Neurology Unit, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Wei H, Jin CY, Viisanen H, You HJ, Pertovaara A. Histamine in the locus coeruleus promotes descending noradrenergic inhibition of neuropathic hypersensitivity. Pharmacol Res 2014; 90:58-66. [DOI: 10.1016/j.phrs.2014.09.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 09/25/2014] [Accepted: 09/26/2014] [Indexed: 11/28/2022]
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Effects of histamine on spontaneous neuropathic pain induced by peripheral axotomy. Neurosci Bull 2013; 29:261-9. [PMID: 23494529 DOI: 10.1007/s12264-013-1316-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Accepted: 07/14/2012] [Indexed: 01/01/2023] Open
Abstract
The present study was designed to investigate the effects of histamine on spontaneous neuropathic pain (NP) induced by peripheral axotomy. Rats and mice were subjected to complete transection of the left sciatic and saphenous nerves to induce spontaneous NP (the neuroma model). Rats were then treated with drugs once daily for 30 days (histidine and loratadine, i.p.) or 21 days (histamine, i.c.v.). Autotomy behavior was scored daily until day 50 post-operation (PO). On days 14 to 21 PO, some rats in the control group were subjected to single-fiber recording. Autotomy behavior was also monitored daily in histidine decarboxylase (the key enzyme for histamine synthesis) knockout (HDC(-/-)) and wild-type mice for 42 days. We found that both histidine (500 mg/kg) (a precursor of histamine that increases histamine levels in the tissues) and histamine (50 μg/5 μL) significantly suppressed autotomy behavior in rats. HDC(-/-) mice lacking endogenous histamine showed higher levels of autotomy than the wild-type. In addition, the analgesic effect of histidine was not antagonized by loratadine (a peripherally-acting H1 receptor antagonist), while loratadine alone significantly suppressed autotomy. Electrophysiological recording showed that ectopic spontaneous discharges from the neuroma were blocked by systemic diphenhydramine (an H1 receptor antagonist). Our results suggest that histamine plays an important role in spontaneous NP. It is likely that histamine in the central nervous system is analgesic, while in the periphery, via H1 receptors, it is algesic. This study justifies the avoidance of a histamine-rich diet and the use of peripherally-acting H1 receptor antagonists as well as agents that improve histamine action in the central nervous system in patients with spontaneous NP.
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Fujita T, Ohue M, Fujii Y, Jotoku T, Miyauchi A, Takagi Y, Tsuchiya M, Endo Y. Prompt Analgesic Effect of Antihistaminic Diphenhydramine Ointment on Bone-Joint-Muscle Pain as Assessed by Skin Impedance. Pharmacology 2013; 92:158-66. [DOI: 10.1159/000354151] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 07/04/2013] [Indexed: 11/19/2022]
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Zhang DD, Sisignano M, Schuh CD, Sander K, Stark H, Scholich K. Overdose of the histamine H₃ inverse agonist pitolisant increases thermal pain thresholds. Inflamm Res 2012; 61:1283-91. [PMID: 22820944 DOI: 10.1007/s00011-012-0528-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 04/04/2012] [Accepted: 07/03/2012] [Indexed: 01/17/2023] Open
Abstract
OBJECTIVE AND DESIGN Pitolisant (BF2.649) is a selective inverse agonist for the histamine H(3) receptor and was developed for the treatment of excessive daytime sleepiness in Parkinson disease, narcolepsy, and schizophrenia. Since H(3)-ligands can decrease inflammatory pain, we tested Pitolisant in inflammatory and neuropathic pain models. MATERIALS AND TREATMENTS: Behavioral effects of pitolisant and the structural different H(3) receptor inverse agonists ciproxifan and ST-889 were tested in zymosan-induced inflammation and the spared nerve injury model for neuropathic pain. METHODS Responses to mechanical and thermal stimuli were determined. Calcium imaging was performed with primary neuronal cultures of dorsal root ganglions. RESULTS Clinically relevant doses of pitolisant (10 mg/kg) had no relevant effect on mechanical or thermal pain thresholds in all animal models. Higher doses (50 mg/kg) dramatically increased thermal but not mechanical pain thresholds. Neither ciproxifan nor ST-889 altered thermal pain thresholds. In peripheral sensory neurons high concentrations of pitolisant (30-500 μM), but not ciproxifan, partially inhibited calcium increases induced by capsaicin, a selective activator of transient receptor potential vanilloid receptor 1 (TRPV1). High doses of pitolisant induced a strong hypothermia. CONCLUSION The data show a dramatic effect of high dosages of pitolisant on the thermosensory system, which appears to be H(3) receptor-independent.
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Affiliation(s)
- Dong Dong Zhang
- Institute of Clinical Pharmacology, pharmazentrum frankfurt, ZAFES, Hospital of the Goethe-University Frankfurt, Theodor Stern Kai 7, Frankfurt, Germany
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McGaraughty S, Chu KL, Cowart MD, Brioni JD. Antagonism of Supraspinal Histamine H3 Receptors Modulates Spinal Neuronal Activity in Neuropathic Rats. J Pharmacol Exp Ther 2012; 343:13-20. [DOI: 10.1124/jpet.112.194761] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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23
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Cowart M, Hsieh G, Black LA, Zhan C, Gomez EJ, Pai M, Strakhova M, Manelli A, Carr T, Wetter J, Lee A, Diaz G, Garrison T, Brioni JD. Pharmacological characterization of A-960656, a histamine H₃ receptor antagonist with efficacy in animal models of osteoarthritis and neuropathic pain. Eur J Pharmacol 2012; 684:87-94. [PMID: 22504024 DOI: 10.1016/j.ejphar.2012.03.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Revised: 03/28/2012] [Accepted: 03/29/2012] [Indexed: 11/19/2022]
Abstract
Histamine H(3) receptor antagonists have been widely reported to improve performance in preclinical models of cognition, but more recently efficacy in pain models has also been described. Here, A-960656 ((R)-2-(2-(3-(piperidin-1-yl)pyrrolidin-1-yl)benzo[d]thiazol-6-yl)pyridazin-3(2H)-one) was profiled as a new structural chemotype. A-960656 was potent in vitro in histamine H(3) receptor binding assays (rat K(i)=76 nM, human K(i)=21 nM), and exhibited functional antagonism in blocking agonist-induced [(35)S]GTPγS binding (rat H(3) K(b)=107 nM, human H(3) K(b)=22 nM), and was highly specific for H(3) receptors in broad screens for non-H(3) sites. In a spinal nerve ligation model of neuropathic pain in rat, oral doses of 1 and 3mg/kg were effective 60 min post dosing with an ED(50) of 2.17 mg/kg and a blood EC(50) of 639 ng/ml. In a model of osteoarthritis pain, oral doses of 0.1, 0.3, and 1mg/kg were effective 1h post dosing with an ED(50) of 0.52 mg/kg and a blood EC(50) of 233 ng/ml. The antinociceptive effect of A-960656 in both pain models was maintained after sub-chronic dosing up to 12 days. A-960656 had excellent rat pharmacokinetics (t(1/2)=1.9h, 84% oral bioavailability) with rapid and efficient brain penetration, and was well tolerated in CNS behavioral safety screens. In summary, A-960656 has properties well suited to probe the pharmacology of histamine H(3) receptors in pain. Its potency and efficacy in animal pain models provide support to the notion that histamine H(3) receptor antagonists are effective in attenuating nociceptive processes.
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Affiliation(s)
- Marlon Cowart
- Department of Neuroscience Research, Abbott Laboratories, Abbott Park, IL 60064, United States.
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24
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Francis HL, DeMorrow S, Franchitto A, Venter JK, Mancinelli RA, White MA, Meng F, Ueno Y, Carpino G, Renzi A, Baker KK, Shine HE, Francis TC, Gaudio E, Alpini GD, Onori P. Histamine stimulates the proliferation of small and large cholangiocytes by activation of both IP3/Ca2+ and cAMP-dependent signaling mechanisms. J Transl Med 2012; 92:282-94. [PMID: 22064319 PMCID: PMC3293651 DOI: 10.1038/labinvest.2011.158] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Although large cholangiocytes exert their functions by activation of cyclic adenosine 3',5'-monophosphate (cAMP), Ca(2+)-dependent signaling regulates the function of small cholangiocytes. Histamine interacts with four receptors, H1-H4HRs. H1HR acts by Gαq activating IP(3)/Ca(2+), whereas H2HR activates Gα(s) stimulating cAMP. We hypothesize that histamine increases biliary growth by activating H1HR on small and H2HR on large cholangiocytes. The expression of H1-H4HRs was evaluated in liver sections, isolated and cultured (normal rat intrahepatic cholangiocyte culture (NRIC)) cholangiocytes. In vivo, normal rats were treated with histamine or H1-H4HR agonists for 1 week. We evaluated: (1) intrahepatic bile duct mass (IBDM); (2) the effects of histamine, H1HR or H2HR agonists on NRIC proliferation, IP(3) and cAMP levels and PKCα and protein kinase A (PKA) phosphorylation; and (3) PKCα silencing on H1HR-stimulated NRIC proliferation. Small and large cholangiocytes express H1-H4HRs. Histamine and the H1HR agonist increased small IBDM, whereas histamine and the H2HR agonist increased large IBDM. H1HR agonists stimulated IP(3) levels, as well as PKCα phosphorylation and NRIC proliferation, whereas H2HR agonists increased cAMP levels, as well as PKA phosphorylation and NRIC proliferation. The H1HR agonist did not increase proliferation in PKCα siRNA-transfected NRICs. The activation of differential signaling mechanisms targeting small and large cholangiocytes is important for repopulation of the biliary epithelium during pathologies affecting different-sized bile ducts.
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Affiliation(s)
- Heather L Francis
- Department of Internal Medicine, Scott and White Digestive Disease Research Center, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division of Research and Education, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Sharon DeMorrow
- Department of Internal Medicine, Scott and White Digestive Disease Research Center, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Antonio Franchitto
- Department of Anatomical, Histological, Forensic Internal Medicine and Orthopedics Sciences, ‘La Sapienza’, Rome, Italy,Eleonora Lonillard Spencer Cenci Foundation, Rome, Italy
| | - Julie K Venter
- Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Romina A Mancinelli
- Department of Anatomical, Histological, Forensic Internal Medicine and Orthopedics Sciences, ‘La Sapienza’, Rome, Italy
| | - Mellanie A White
- Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Fanyin Meng
- Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division of Research and Education, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Yoshiyuki Ueno
- Division of Gastroenterology, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Guido Carpino
- Department Health Science, University of Rome‘Foro Italico’, Italy
| | - Anastasia Renzi
- Department of Internal Medicine, Scott and White Digestive Disease Research Center, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Department of Anatomical, Histological, Forensic Internal Medicine and Orthopedics Sciences, ‘La Sapienza’, Rome, Italy
| | - Kimberly K Baker
- Division of Research and Education, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Hannah E Shine
- Division of Research and Education, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Taylor C Francis
- Division of Research and Education, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Eugenio Gaudio
- Department of Anatomical, Histological, Forensic Internal Medicine and Orthopedics Sciences, ‘La Sapienza’, Rome, Italy
| | - Gianfranco D Alpini
- Department of Internal Medicine, Scott and White Digestive Disease Research Center, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division of Gastroenterology, Department of Medicine, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA,Division Research, Central Texas Veterans Health Care System, Scott and White Hospital and Texas A&M Health Science Center, College of Medicine, Temple, TX, USA
| | - Paolo Onori
- Department of Experimental Medicine, State University of L’Aquila, L’Aquila, Italy
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Altenbach RJ, Black LA, Strakhova MI, Manelli AM, Carr TL, Marsh KC, Wetter JM, Wensink EJ, Hsieh GC, Honore P, Garrison TR, Brioni JD, Cowart MD. Diaryldiamines with dual inhibition of the histamine H(3) receptor and the norepinephrine transporter and the efficacy of 4-(3-(methylamino)-1-phenylpropyl)-6-(2-(pyrrolidin-1-yl)ethoxy)naphthalen-1-ol in pain. J Med Chem 2010; 53:7869-73. [PMID: 20945906 DOI: 10.1021/jm100666w] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of compounds was designed as dual inhibitors of the H(3) receptor and the norepinephrine transporter. Compound 5 (rNET K(i) = 14 nM; rH(3)R K(i) = 37 nM) was found to be efficacious in a rat model of osteoarthritic pain.
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Affiliation(s)
- Robert J Altenbach
- Neuroscience Research, Global Pharmaceutical Research and Development, Abbott Laboratories, 100 Abbott Park Road, Abbott Park, Illinois 60064-6100, United States.
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Berlin M, Boyce CW, de Lera Ruiz M. Histamine H3 Receptor as a Drug Discovery Target. J Med Chem 2010; 54:26-53. [DOI: 10.1021/jm100064d] [Citation(s) in RCA: 117] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Michael Berlin
- Chemical Research, Merck Research Laboratories, 2015 Galloping Hill Road, Kenilworth, New Jersey 07033, United States
| | - Christopher W. Boyce
- Chemical Research, Merck Research Laboratories, 2015 Galloping Hill Road, Kenilworth, New Jersey 07033, United States
| | - Manuel de Lera Ruiz
- Chemical Research, Merck Research Laboratories, 2015 Galloping Hill Road, Kenilworth, New Jersey 07033, United States
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27
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Hsieh GC, Honore P, Pai M, Wensink EJ, Chandran P, Salyers AK, Wetter JM, Zhao C, Liu H, Decker MW, Esbenshade TA, Cowart MD, Brioni JD. Antinociceptive effects of histamine H3 receptor antagonist in the preclinical models of pain in rats and the involvement of central noradrenergic systems. Brain Res 2010; 1354:74-84. [DOI: 10.1016/j.brainres.2010.07.083] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2009] [Revised: 07/21/2010] [Accepted: 07/23/2010] [Indexed: 01/07/2023]
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Hough LB, Rice FL. H3 receptors and pain modulation: peripheral, spinal, and brain interactions. J Pharmacol Exp Ther 2010; 336:30-7. [PMID: 20864501 DOI: 10.1124/jpet.110.171264] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Histamine H(3) receptors (H(3)Rs), distributed within the brain, the spinal cord, and on specific types of primary sensory neurons, can modulate pain transmission by several mechanisms. In the skin, H(3)Rs are found on certain Aβ fibers, and on keratinocytes and Merkel cells, as well as on deep dermal, peptidergic Aδ fibers terminating on deep dermal blood vessels. Activation of H(3)Rs on the latter in the skin, heart, lung, and dura mater reduces calcitonin gene-related peptide and substance P release, leading to anti-inflammatory (but not antinociceptive) actions. However, activation of H(3)Rs on the spinal terminals of these sensory fibers reduces nociceptive responding to low-intensity mechanical stimuli and inflammatory stimuli such as formalin. These findings suggest that H(3)R agonists might be useful analgesics, but these drugs have not been tested in clinically relevant pain models. Paradoxically, H(3) antagonists/inverse agonists have also been reported to attenuate several types of pain responses, including phase II responses to formalin. In the periaqueductal gray (an important pain regulatory center), the H(3) inverse agonist thioperamide releases neuronal histamine and mimics histamine's biphasic modulatory effects in thermal nociceptive tests. Newer H(3) inverse agonists with potent, selective, and brain-penetrating properties show efficacy in several neuropathic and arthritis pain models, but the sites and mechanisms for these actions remain poorly understood.
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Affiliation(s)
- Lindsay B Hough
- Center for Neuropharmacology and Neuroscience, Albany Medical College, Albany, NY 12208, USA.
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29
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Histamine H3 receptor modulates nociception in a rat model of cholestasis. Pharmacol Biochem Behav 2010; 96:312-6. [DOI: 10.1016/j.pbb.2010.05.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2009] [Revised: 05/11/2010] [Accepted: 05/24/2010] [Indexed: 11/23/2022]
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30
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Fernández-Dueñas V, Ciruela F, Gandía J, Sánchez S, Planas E, Poveda R. Histamine H3 receptor activation potentiates peripheral opioid-mediated antinociception: Substance P role in peripheral inflammation in mice. Eur J Pharmacol 2010; 638:72-7. [DOI: 10.1016/j.ejphar.2010.04.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2010] [Revised: 03/24/2010] [Accepted: 04/15/2010] [Indexed: 11/17/2022]
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31
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Stadel R, Carpenter AB, Nalwalk JW, de Esch IJP, Janssen E, Hough LB. Inhibition of brain [(3)H]cimetidine binding by improgan-like antinociceptive drugs. Eur J Pharmacol 2010; 632:33-8. [PMID: 20138862 DOI: 10.1016/j.ejphar.2010.01.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2009] [Revised: 12/07/2009] [Accepted: 01/26/2010] [Indexed: 10/19/2022]
Abstract
[(3)H]cimetidine, a radiolabeled histamine H(2) receptor antagonist, binds with high affinity to an unknown hemoprotein in the brain which is not the histamine H(2) receptor. Improgan, a close chemical congener of cimetidine, is a highly effective pain-relieving drug following CNS administration, yet its mechanism of action remains unknown. To test the hypothesis that the [(3)H]cimetidine-binding site is the improgan antinociceptive target, improgan, cimetidine, and 8 other chemical congeners were studied as potential inhibitors of [(3)H]cimetidine binding in membrane fractions from the rat brain. All compounds produced a concentration-dependent inhibition of [(3)H]cimetidine binding over a 500-fold range of potencies (K(i) values were 14.5 to >8000nM). However, antinociceptive potencies in rats did not significantly correlate with [(3)H]cimetidine-binding affinities (r=0.018, p=0.97, n=10). These results suggest that the [(3)H]cimetidine-binding site is not the analgesic target for improgan-like drugs.
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Affiliation(s)
- Rebecca Stadel
- Center for Neuropharmacology and Neuroscience, Albany Medical College, NY 12208, USA
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32
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H4 receptor antagonism exhibits anti-nociceptive effects in inflammatory and neuropathic pain models in rats. Pharmacol Biochem Behav 2010; 95:41-50. [DOI: 10.1016/j.pbb.2009.12.004] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Revised: 11/25/2009] [Accepted: 12/02/2009] [Indexed: 01/07/2023]
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Tiligada E, Zampeli E, Sander K, Stark H. Histamine H3and H4receptors as novel drug targets. Expert Opin Investig Drugs 2009; 18:1519-31. [DOI: 10.1517/14728220903188438] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Mobarakeh JI, Takahashi K, Yanai K. Enhanced morphine-induced antinociception in histamine H3 receptor gene knockout mice. Neuropharmacology 2009; 57:409-14. [DOI: 10.1016/j.neuropharm.2009.06.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2009] [Revised: 06/27/2009] [Accepted: 06/29/2009] [Indexed: 11/29/2022]
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H3 receptor antagonists reverse delay-dependent deficits in novel object discrimination by enhancing retrieval. Psychopharmacology (Berl) 2009; 202:141-52. [PMID: 18493749 DOI: 10.1007/s00213-008-1171-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2007] [Accepted: 04/04/2008] [Indexed: 10/22/2022]
Abstract
RATIONALE Accumulated evidence suggests a role for histamine in cognition and the use of H3 receptor antagonists in the treatment of learning and memory disorders. OBJECTIVES The aim of the current study was to investigate the cognition enhancing properties of ciproxifan, an H3 receptor antagonist, after natural forgetting in normal adult rats. MATERIALS AND METHODS The novel object discrimination task, a recognition memory test based on spontaneous exploratory behaviour, was used. Briefly, rats exposed to two identical objects during an acquisition trial can discriminate between a novel object and a familiar one during a subsequent choice trial after a short delay but not after a 24-h inter-trial interval. RESULTS The scopolamine (0.5 mg/kg, i.p.)-induced impairment after a short delay was abolished by ciproxifan (p < 0.001). Natural forgetting was prevented by a single administration of ciproxifan (3 mg/kg) prior to the retention test (p < 0.001) but not when administered before or immediately after the acquisition trial (schedule effect p < 0.05), demonstrating a specific activity on memory retrieval. Pretreatment with either pyrilamine (10 mg/kg), an H1 antagonist, or zolantidine (10 mg/kg), an H2 antagonist, prevented the retrieval enhancement effect of ciproxifan (p < 0.05 and p < 0.001, respectively). CONCLUSIONS Histamine H3 receptor antagonists restore the performance of rats impaired by scopolamine and enhance recognition memory after acute administration before the retrieval phase via a mechanism dependent on H1 and H2 receptor activation.
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Novel histamine H3 receptor antagonists GSK189254 and GSK334429 are efficacious in surgically-induced and virally-induced rat models of neuropathic pain. Pain 2008; 138:61-69. [DOI: 10.1016/j.pain.2007.11.006] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2007] [Revised: 10/19/2007] [Accepted: 11/09/2007] [Indexed: 11/19/2022]
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Sander K, Kottke T, Stark H. Histamine H3 Receptor Antagonists Go to Clinics. Biol Pharm Bull 2008; 31:2163-81. [DOI: 10.1248/bpb.31.2163] [Citation(s) in RCA: 162] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kerstin Sander
- Johann Wolfgang Goethe-Universität Frankfurt am Main, Institut für Pharmazeutische Chemie
| | - Tim Kottke
- Johann Wolfgang Goethe-Universität Frankfurt am Main, Institut für Pharmazeutische Chemie
| | - Holger Stark
- Johann Wolfgang Goethe-Universität Frankfurt am Main, Institut für Pharmazeutische Chemie
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Medhurst AD, Briggs MA, Bruton G, Calver AR, Chessell I, Crook B, Davis JB, Davis RP, Foley AG, Heslop T, Hirst WD, Medhurst SJ, Ociepka S, Ray A, Regan CM, Sargent B, Schogger J, Stean TO, Trail BK, Upton N, White T, Orlek B, Wilson DM. Structurally novel histamine H3 receptor antagonists GSK207040 and GSK334429 improve scopolamine-induced memory impairment and capsaicin-induced secondary allodynia in rats. Biochem Pharmacol 2007; 73:1182-94. [PMID: 17276409 DOI: 10.1016/j.bcp.2007.01.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2006] [Revised: 12/13/2006] [Accepted: 01/03/2007] [Indexed: 11/25/2022]
Abstract
GSK207040 (5-[(3-cyclobutyl-2,3,4,5-tetrahydro-1H-3-benzazepin-7-yl)oxy]-N-methyl-2-pyrazinecarboxamide) and GSK334429 (1-(1-methylethyl)-4-({1-[6-(trifluoromethyl)-3-pyridinyl]-4-piperidinyl}carbonyl)hexahydro-1H-1,4-diazepine) are novel and selective non-imidazole histamine H(3) receptor antagonists from distinct chemical series with high affinity for human (pK(i)=9.67+/-0.06 and 9.49+/-0.09, respectively) and rat (pK(i)=9.08+/-0.16 and 9.12+/-0.14, respectively) H(3) receptors expressed in cerebral cortex. At the human recombinant H(3) receptor, GSK207040 and GSK334429 were potent functional antagonists (pA(2)=9.26+/-0.04 and 8.84+/-0.04, respectively versus H(3) agonist-induced changes in cAMP) and exhibited inverse agonist properties (pIC(50)=9.20+/-0.36 and 8.59+/-0.04 versus basal GTPgammaS binding). Following oral administration, GSK207040 and GSK334429 potently inhibited cortical ex vivo [(3)H]-R-alpha-methylhistamine binding (ED(50)=0.03 and 0.35 mg/kg, respectively). Functional antagonism of central H(3) receptors was demonstrated by blockade of R-alpha-methylhistamine-induced dipsogenia in rats (ID(50)=0.02 and 0.11 mg/kg p.o. for GSK207040 and GSK334429, respectively). In more pathophysiologically relevant pharmacodynamic models, GSK207040 (0.1, 0.3, 1 and 3mg/kg p.o.) and GSK334429 (0.3, 1 and 3mg/kg p.o.) significantly reversed amnesia induced by the cholinergic antagonist scopolamine in a passive avoidance paradigm. In addition, GSK207040 (0.1, 0.3 and 1mg/kg p.o.) and GSK334429 (3 and 10mg/kg p.o.) significantly reversed capsaicin-induced reductions in paw withdrawal threshold, suggesting for the first time that blockade of H(3) receptors may be able to reduce tactile allodynia. Novel H(3) receptor antagonists such as GSK207040 and GSK334429 may therefore have therapeutic potential not only in dementia but also in neuropathic pain.
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Affiliation(s)
- Andrew D Medhurst
- Neurology and GI Centre of Excellence for Drug Discovery, GlaxoSmithKline, Third Avenue, Harlow, Essex CM19 5AW, UK.
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Histaminergic Involvement in Neuropathic Pain Produced by Partial Ligation of the Sciatic Nerve in Rats. Reg Anesth Pain Med 2007. [DOI: 10.1097/00115550-200703000-00006] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Farzin D, Nosrati F. Modification of formalin-induced nociception by different histamine receptor agonists and antagonists. Eur Neuropsychopharmacol 2007; 17:122-8. [PMID: 16631358 DOI: 10.1016/j.euroneuro.2006.03.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2005] [Revised: 02/17/2006] [Accepted: 03/07/2006] [Indexed: 10/24/2022]
Abstract
The present study evaluated the effects of different histamine receptor agonists and antagonists on the nociceptive response in the mouse formalin test. Intracerebroventricular (20-40 microg/mouse i.c.v.) or subcutaneous (1-10 mg/kg s.c.) injection of HTMT (H(1) receptor agonist) elicited a dose-related hyperalgesia in the early and late phases. Conversely, intraperitoneal (20 and 30 mg/kg i.p.) injection of dexchlorpheniramine (H(1) receptor antagonist) was antinociceptive in both phases. At a dose ineffective per se, dexchlorpheniramine (10 mg/kg i.p.) antagonized the hyperalgesia induced by HTMT (40 mug/mouse i.c.v. or 10 mg/kg s.c.). Dimaprit (H(2) receptor agonist, 30 mg/kg i.p.) and ranitidine (H(2) receptor antagonist, 20 and 40 mg/kg i.p.) reduced the nociceptive responses in the early and late phases. No significant change in the antinociceptive activity was found following the combination of dimaprit (30 mg/kg i.p.) with ranitidine (10 mg/kg i.p.). The antinociceptive effect of dimaprit (30 mg/kg i.p.) was prevented by naloxone (5 mg/kg i.p.) in the early phase or by imetit (H(3) receptor agonist, 25 mg/kg i.p.) in both early and late phases. The histamine H(3) receptor agonist imetit was hyperalgesic following i.p. administration of 50 mg/kg. Imetit-induced hyperalgesia was completely prevented by treatment with a dose ineffective per se of thioperamide (H(3) receptor antagonist, 5 mg/kg i.p.). The results suggest that histamine H(1) and H(3) receptor activations increase sensitivity to nociceptive stimulus in the formalin test.
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Affiliation(s)
- Davood Farzin
- Department of Pharmacology, School of Medicine, Mazandaran University of Medical Sciences, 48168 Sari, Iran.
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Chapter 4 Recent Advances in Drug Discovery of Histamine H3 Antagonists. ANNUAL REPORTS IN MEDICINAL CHEMISTRY VOLUME 42 2007. [DOI: 10.1016/s0065-7743(07)42004-8] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Celanire S, Wijtmans M, Talaga P, Leurs R, de Esch IJP. Keynote review: histamine H3 receptor antagonists reach out for the clinic. Drug Discov Today 2006; 10:1613-27. [PMID: 16376822 DOI: 10.1016/s1359-6446(05)03625-1] [Citation(s) in RCA: 180] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Antagonists of the histamine H(1) and H(2) receptors have been successful as blockbuster drugs for treating allergic conditions and gastric ulcers, respectively. As such, histamine receptors have made a significant contribution to establishing G-Protein-coupled receptors as the favored drug targets of the industry. In this light, it can easily be understood that the discovery of a third histamine receptor subtype (H(3)R) in 1983 was greeted with considerable excitement. However, characterization of the H(3)R turned out to be far from trivial. In the past five years, molecular biology approaches have given fresh impetus to the H(3)R research field. As a result, H(3)R ligands are where they were anticipated to be 20 years ago: at the center of attention and on the verge of an anticipated breakthrough as the next generation of histaminergic blockbuster drugs. Here, we assess the status of the H(3)R medicinal chemistry programs of the various players in the field, as far as can be deduced from patent applications and scientific literature.
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Affiliation(s)
- Sylvain Celanire
- Department of Chemical Research, Chemin du Foriest, B-1420 Braine-l'Alleud, Belgium
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Chan SL, Yeung JHK. Polysaccharide peptides from COV-1 strain of Coriolus versicolor induce hyperalgesia via inflammatory mediator release in the mouse. Life Sci 2006; 78:2463-70. [PMID: 16310221 DOI: 10.1016/j.lfs.2005.10.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2005] [Accepted: 10/03/2005] [Indexed: 10/25/2022]
Abstract
Polysaccharide peptide (PSP), isolated from Coriolus versicolor COV-1, has been widely used as an adjunct to cancer chemotherapy and as an immuno-stimulator in China. In this study, the anti-nociceptive effects of PSP were investigated in two different pain models in the mouse. In the acetic acid-induced writhing model, initial studies showed that PSP decreased the number of acetic acid-induced writhing by 92.9%, which, by definition, would constitute an analgesic effect. However, further studies showed that PSP itself induced a dose-dependent writhing response. Studies on inflammatory mediator release showed that PSP increased the release of prostaglandin E2, tumor necrosis factor-alpha, interleukin-1beta, and histamine in mouse peritoneal macrophages and mast cells both in vitro and in vivo. The role of inflammatory mediator release in PSP-induced writhing was confirmed when diclofenac and dexamethasone decreased the number of writhing responses by 54% and 58.5%, respectively. Diphenhydramine totally inhibited the PSP-induced writhing. In the hot-plate test, PSP dose-dependently shortened the hind paw withdrawal latency, indicative of a hyperalgesic effect. The hyperalgesic effect was reduced by pretreatment with the anti-inflammatory drugs. In conclusion, the PSP-induced hyperalgesia was related to activation of peritoneal resident cells and an increase in the release of inflammatory mediators.
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Affiliation(s)
- Siu-Lung Chan
- Department of Pharmacology, Faculty of Medicine, Basic Medical Sciences Building, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong SAR, China
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Kim DC, Park YS, Jun DJ, Hur EM, Kim SH, Choi BH, Kim KT. N-(4-Trifluoromethylphenyl)amide group of the synthetic histamine receptor agonist inhibits nicotinic acetylcholine receptor-mediated catecholamine secretion. Biochem Pharmacol 2006; 71:670-82. [PMID: 16384551 DOI: 10.1016/j.bcp.2005.11.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2005] [Revised: 11/23/2005] [Accepted: 11/23/2005] [Indexed: 02/07/2023]
Abstract
The therapeutic targeting of nicotinic receptors requires the identification of drugs that selectively activate or inhibit a limited range of nicotine acetylcholine receptors (nAChRs). In this study, we identified N-(4-trifluoromethylphenyl)amide group of the synthetic histamine receptor ligands, histamine-trifluoromethyltoluide, that act as potent inhibitors of nAChRs in bovine adrenal chromaffin cells. Catecholamine secretion induced by the nAChRs agonist, 1,1-dimethyl-4-phenylpiperazinium iodide (DMPP), was significantly inhibited by histamine-trifluoromethyltoluide. Real time carbon-fiber amperometry confirmed the ability of histamine-trifluoromethyltoluide to inhibit DMPP-induced exocytosis in single chromaffin cells. We also found that histamine-trifluoromethyltoluide inhibited DMPP-induced [Ca(2+)](i) and [Na(+)](i) increases, as well as DMPP-induced inward currents in the absence of extracellular calcium. Histamine-trifluoromethyltoluide had no effect on [(3)H]nicotine binding or on calcium increases induced by high K(+), bradykinin, veratridine, histamine, and benzoylbenzoyl ATP. Among the synthetic histamine receptor ligands, clobenpropit exhibited similarity. In addition, 4'-nitroacetanilide also significantly attenuated nAChR-mediated catecholamine secretion. In conclusion, the N-(4-trifluoromethylphenyl)amide group of the histamine-trifluoromethyltoluide might be the critical moiety in the inhibition of nAChR-mediated CA secretion.
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Affiliation(s)
- Dong-Chan Kim
- Division of Molecular and Life Science, SBD-NCRC, Pohang University of Science and Technology, Pohang, South Korea
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Letavic MA, Barbier AJ, Dvorak CA, Carruthers NI. Recent medicinal chemistry of the histamine H3 receptor. PROGRESS IN MEDICINAL CHEMISTRY 2006; 44:181-206. [PMID: 16697898 DOI: 10.1016/s0079-6468(05)44405-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Affiliation(s)
- Michael A Letavic
- Johnson and Johnson Pharmaceutical Research and Development LLC, San Diego, CA 92121, USA
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Girard P, Pansart Y, Coppé MC, Verniers D, Gillardin JM. Role of the histamine system in nefopam-induced antinociception in mice. Eur J Pharmacol 2005; 503:63-9. [PMID: 15496297 DOI: 10.1016/j.ejphar.2004.09.030] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2004] [Revised: 09/08/2004] [Accepted: 09/14/2004] [Indexed: 11/15/2022]
Abstract
The present study explored the role of the histaminergic system in nefopam analgesia based on the structural relationship between nefopam and diphenhydramine. In vitro binding assays revealed that nefopam possesses moderate affinity for histamine H1 and H2 receptor subtypes, with IC50 of 0.8 and 6.9 microM, respectively, but no affinity for histamine H(3) receptor subtype until 100 microM. Subcutaneous nefopam administration dose-dependently inhibited pain in acetic acid-induced writhing (1-30 mg/kg) and formalin (1-10 mg/kg) tests in the mouse. Pretreatment with the histamine-depleting agent alpha-fluoromethylhistidine (alpha-FMH, 50 mg/kg), the histamine H1 receptor antagonist pyrilamine (3 or 10 mg/kg), or the histamine H2 receptor antagonists cimetidine (100 mg/kg) and zolantidine (10 or 30 mg/kg) did not significantly modify nefopam antinociception in both tests. The histamine H3 receptor agonist R(-)alpha-methylhistamine (RAMH, 10 mg/kg) did not significantly modify the nefopam analgesic activity in the writhing test. At 25 mg/kg, RAMH inhibited nefopam antinociception at 3 mg/kg, but not at 10 mg/kg in the formalin test. However, pretreatment with the histamine H3 receptor antagonist thioperamide (25 mg/kg) inhibited nefopam antinociception in the writhing test, but not in the formalin test. In conclusion, nefopam analgesic activity is not mediated by histamine H1 or H2 receptors, but can be slightly modulated by histamine H3 receptors in mouse pain tests.
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Affiliation(s)
- Philippe Girard
- Laboratoires Biocodex, Service de Pharmacologie, Zac de Mercières 60200 Compiègne, France.
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Cannon KE, Nalwalk JW, Stadel R, Ge P, Lawson D, Silos-Santiago I, Hough LB. Activation of spinal histamine H3 receptors inhibits mechanical nociception. Eur J Pharmacol 2003; 470:139-47. [PMID: 12798951 DOI: 10.1016/s0014-2999(03)01737-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Previous studies have suggested a possible pain-modulatory role for histamine H(3) receptors, but the localization of these receptors and nature of this modulation is not clear. In order to explore the role of spinal histamine H(3) receptors in the inhibition of nociception, the effects of systemically (subcutaneous, s.c.) and intrathecally (i.t.) administered histamine H(3) receptor agonists were studied in rats and mice. Immepip (5 mg/kg, s.c.) produced robust antinociception in rats on a mechanical (tail pinch) test but did not alter nociceptive responses on a thermal (tail flick) test. In contrast, this treatment in mice (immepip, 5 and 30 mg/kg, s.c.) did not change either mechanically or thermally evoked nociceptive responses. When administered directly into the spinal subarachnoid space, immepip (15-50 microg, i.t.) and R-alpha-methylhistamine (50 microg, i.t.) had no effect in rats on the tail flick and hot plate tests, but produced a dose- and time-dependent inhibition (90-100%) of nociceptive responses on the tail pinch test. This attenuation was blocked by administration of thioperamide (10 mg/kg, s.c.), a histamine H(3) receptor antagonist. Intrathecally administered thioperamide also reversed antinociceptive responses induced by systemically administered immepip, which demonstrates a spinal site of action for the histamine H(3) receptor agonist. In addition, intrathecally administered immepip (25 microg) produced maximal antinociception on the tail pinch test in wild type, but not in histamine H(3) receptor knockout (H(3)KO) mice. These findings demonstrate an antinociceptive role for spinal histamine H(3) receptors. Further studies are needed to confirm the existence of modality-specific (i.e. mechanical vs. thermal) inhibition of nociception by these receptors, and to assess the efficacy of spinally delivered histamine H(3) receptor agonists for the treatment for pain.
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Affiliation(s)
- Keri E Cannon
- Center for Neuropharmacology and Neuroscience, Albany Medical College MC-136, 47 New Scotland Ave., Albany, NY 12206, USA
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