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Naderi Y, Rad M, Sadatmoosavi A, Khaleghi E, Khorrami Z, Chamani G, Shabani M. Compared to oxcarbazepine and carbamazepine, botulinum toxin type A is a useful therapeutic option for trigeminal neuralgia symptoms: A systematic review. Clin Exp Dent Res 2024; 10:e882. [PMID: 38558383 PMCID: PMC10982606 DOI: 10.1002/cre2.882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 03/13/2024] [Accepted: 03/17/2024] [Indexed: 04/04/2024] Open
Abstract
OBJECTIVES This review aimed to compare the effectiveness of three treatments: BTX A, CBZ, and OXB, in managing trigeminal neuralgia (TN). MATERIAL AND METHODS We conducted a thorough search for research articles related to our issue using specific keywords on several databases, including Cochrane Central Register of Controlled Trials, Science Direct, Scopus, PubMed, Elsevier, Springer Journals, Ovid Medline, EBSCO, and Web of Science. Our focus was on publications from 1965 to 2023. RESULTS We retrieved 46 articles from the search and reviewed them carefully. Out of these, we selected 29 articles that met the inclusion criteria. Among the selected articles, 11 investigated the effects of CBZ and OXB, while 18 explored the impact of BTX A on the improvement of TN symptoms. The response rate ranged between 56% and 90.5% for CBZ and between 90.9% and 94% for OXB. The response rate for BTX A ranged between 51.4% and 100%. All these three treatments had a remarkable effect on the improvement of TN. Importantly, findings highlighted that side effects of CBZ and OXB could lead to treatment discontinuation in some cases, whereas BTX A's side effects have been minimal and less frequent. CONCLUSIONS Consequently, BTX A emerges as a promising alternative for TN treatment. However, additional clinical trials are necessary to validate this finding, and further research is required to establish a standardized protocol for administering BTX A in TN.
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Affiliation(s)
- Yeganeh Naderi
- Oral and Dental Diseases Research CenterKerman University of Medical SciencesKermanIran
| | - Maryam Rad
- Oral and Dental Diseases Research CenterKerman University of Medical SciencesKermanIran
| | - Ali Sadatmoosavi
- Research Center for Modeling in HealthKerman University of Medical SciencesKermanIran
| | - Elham Khaleghi
- Research Center for Modeling in HealthKerman University of Medical SciencesKermanIran
| | - Zahra Khorrami
- Ophthalmic Epidemiology Research Center, Research Institute for Ophthalmology and Vision ScienceShahid Beheshti University of Medical ScienceTehranIran
| | - Goli Chamani
- Department of Dental Medicine, Karolinska InstituteScandinavian Center for Orofacial Neuroscience (SCON)HuddingeSweden
| | - Mohammad Shabani
- Neuroscience Research Center, Neuropharmacology InstituteKerman University of Medical SciencesKermanIran
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Silvestro M, Iannone LF, Orologio I, Tessitore A, Tedeschi G, Geppetti P, Russo A. Migraine Treatment: Towards New Pharmacological Targets. Int J Mol Sci 2023; 24:12268. [PMID: 37569648 PMCID: PMC10418850 DOI: 10.3390/ijms241512268] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/28/2023] [Accepted: 07/29/2023] [Indexed: 08/13/2023] Open
Abstract
Migraine is a debilitating neurological condition affecting millions of people worldwide. Until a few years ago, preventive migraine treatments were based on molecules with pleiotropic targets, developed for other indications, and discovered by serendipity to be effective in migraine prevention, although often burdened by tolerability issues leading to low adherence. However, the progresses in unravelling the migraine pathophysiology allowed identifying novel putative targets as calcitonin gene-related peptide (CGRP). Nevertheless, despite the revolution brought by CGRP monoclonal antibodies and gepants, a significant percentage of patients still remains burdened by an unsatisfactory response, suggesting that other pathways may play a critical role, with an extent of involvement varying among different migraine patients. Specifically, neuropeptides of the CGRP family, such as adrenomedullin and amylin; molecules of the secretin family, such as pituitary adenylate cyclase-activating peptide (PACAP) and vasoactive intestinal peptide (VIP); receptors, such as transient receptor potential (TRP) channels; intracellular downstream determinants, such as potassium channels, but also the opioid system and the purinergic pathway, have been suggested to be involved in migraine pathophysiology. The present review provides an overview of these pathways, highlighting, based on preclinical and clinical evidence, as well as provocative studies, their potential role as future targets for migraine preventive treatment.
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Affiliation(s)
- Marcello Silvestro
- Headache Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (I.O.); (A.T.); (G.T.)
- Advanced MRI Neuroimaging Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Luigi Francesco Iannone
- Headache Centre and Clinical Pharmacology Unit, Careggi University Hospital Florence, 50134 Florence, Italy; (L.F.I.); (P.G.)
| | - Ilaria Orologio
- Headache Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (I.O.); (A.T.); (G.T.)
| | - Alessandro Tessitore
- Headache Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (I.O.); (A.T.); (G.T.)
- Advanced MRI Neuroimaging Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Gioacchino Tedeschi
- Headache Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy; (I.O.); (A.T.); (G.T.)
- Advanced MRI Neuroimaging Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
| | - Pierangelo Geppetti
- Headache Centre and Clinical Pharmacology Unit, Careggi University Hospital Florence, 50134 Florence, Italy; (L.F.I.); (P.G.)
| | - Antonio Russo
- Advanced MRI Neuroimaging Centre, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 80138 Naples, Italy;
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Russo AF, Hay DL. CGRP physiology, pharmacology, and therapeutic targets: migraine and beyond. Physiol Rev 2023; 103:1565-1644. [PMID: 36454715 PMCID: PMC9988538 DOI: 10.1152/physrev.00059.2021] [Citation(s) in RCA: 51] [Impact Index Per Article: 51.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 11/23/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022] Open
Abstract
Calcitonin gene-related peptide (CGRP) is a neuropeptide with diverse physiological functions. Its two isoforms (α and β) are widely expressed throughout the body in sensory neurons as well as in other cell types, such as motor neurons and neuroendocrine cells. CGRP acts via at least two G protein-coupled receptors that form unusual complexes with receptor activity-modifying proteins. These are the CGRP receptor and the AMY1 receptor; in rodents, additional receptors come into play. Although CGRP is known to produce many effects, the precise molecular identity of the receptor(s) that mediates CGRP effects is seldom clear. Despite the many enigmas still in CGRP biology, therapeutics that target the CGRP axis to treat or prevent migraine are a bench-to-bedside success story. This review provides a contextual background on the regulation and sites of CGRP expression and CGRP receptor pharmacology. The physiological actions of CGRP in the nervous system are discussed, along with updates on CGRP actions in the cardiovascular, pulmonary, gastrointestinal, immune, hematopoietic, and reproductive systems and metabolic effects of CGRP in muscle and adipose tissues. We cover how CGRP in these systems is associated with disease states, most notably migraine. In this context, we discuss how CGRP actions in both the peripheral and central nervous systems provide a basis for therapeutic targeting of CGRP in migraine. Finally, we highlight potentially fertile ground for the development of additional therapeutics and combinatorial strategies that could be designed to modulate CGRP signaling for migraine and other diseases.
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Affiliation(s)
- Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
- Department of Neurology, University of Iowa, Iowa City, Iowa
- Center for the Prevention and Treatment of Visual Loss, Department of Veterans Affairs Health Center, Iowa City, Iowa
| | - Debbie L Hay
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, New Zealand
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Kalatharan V, Al-Karagholi MAM. Targeting Peripheral N-Methyl-D-Aspartate Receptor (NMDAR): A Novel Strategy for the Treatment of Migraine. J Clin Med 2023; 12:jcm12062156. [PMID: 36983158 PMCID: PMC10055974 DOI: 10.3390/jcm12062156] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/23/2023] [Accepted: 03/02/2023] [Indexed: 03/12/2023] Open
Abstract
Backgrounds: Several acute and preventive medications were developed for the treatment of migraine. Yet, a significant proportion of patients reports an inadequate response and a lack of tolerability, emphasizing the need for new options. Glutamate is the most important excitatory neurotransmitter in the brain, and glutamate receptors including N-Methyl-D-Aspartate Receptor (NMDAR) are expressed at several levels of the trigeminovascular system, which is the anatomical and physiological substrate of migraine pain. Objective: To review preclinical and clinical studies investigating the role of the NMDAR in migraine pathophysiology. Methods: No protocol was registered for this study. References for the present review were identified from a narrative search of the PubMed database. Search terms such as glutamate, migraine, N-Methyl-D-Aspartate Receptor, and NMDAR were used. No restrictions were made in terms of the language and date of publication. Results: In animal models, administration of monosodium glutamate (MSG) activated and sensitized trigeminovascular neurons. In healthy human participants, consumption of MSG caused headaches, craniofacial sensitivity, and nausea. In in vivo models and through immunolabeling, NMDAR subunits NR1, NR2A, and NR2B were expressed in trigeminal ganglion neurons. In humans, NMDAR antagonists such as ketamine and memantine caused a significant reduction in pain intensity and monthly headache frequency. Conclusions: Accumulative evidence indicates that NMDAR is a promising new target for the treatment of migraine. Selective NMDAR antagonists without central effects are needed to investigate their therapeutic benefit in the treatment of migraine.
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Rollo E, Romozzi M, Vollono C, Calabresi P, Geppetti P, Iannone LF. Antiseizure Medications for the Prophylaxis of Migraine during the Anti- CGRP Drugs Era. Curr Neuropharmacol 2023; 21:1767-1785. [PMID: 36582062 PMCID: PMC10514541 DOI: 10.2174/1570159x21666221228095256] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/26/2022] [Accepted: 12/01/2022] [Indexed: 12/31/2022] Open
Abstract
Migraine and epilepsy are fundamentally distinct disorders that can frequently coexist in the same patient. These two conditions significantly differ in diagnosis and therapy but share some widely- used preventive treatments. Antiseizure medications (ASMs) are the mainstay of therapy for epilepsy, and about thirty different ASMs are available to date. ASMs are widely prescribed for other neurological and non-neurological conditions, including migraine. However, only topiramate and valproic acid/valproate currently have an indication for migraine prophylaxis supported by high-quality evidence. Although without specifically approved indications and with a low level of evidence or recommendation, several other ASMs are used for migraine prophylaxis. Understanding ASM antimigraine mechanisms, including their ability to affect the pro-migraine calcitonin gene-related peptide (CGRP) signaling pathway and other pathways, may be instrumental in identifying the specific targets of their antimigraine efficacy and may increase awareness of the neurobiological differences between epilepsy and migraine. Several new ASMs are under clinical testing or have been approved for epilepsy in recent years, providing novel potential drugs for migraine prevention to enrich the treatment armamentarium and drugs that inhibit the CGRP pathway.
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Affiliation(s)
- Eleonora Rollo
- Dipartimento Universitario di Neuroscienze, University Cattolica del Sacro Cuore, Rome, Italy
| | - Marina Romozzi
- Dipartimento Universitario di Neuroscienze, University Cattolica del Sacro Cuore, Rome, Italy
| | - Catello Vollono
- Dipartimento Universitario di Neuroscienze, University Cattolica del Sacro Cuore, Rome, Italy
- Neurofisiopatologia, Dipartimento di Scienze dell’invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Paolo Calabresi
- Dipartimento Universitario di Neuroscienze, University Cattolica del Sacro Cuore, Rome, Italy
- Neurologia, Dipartimento di Scienze dell’invecchiamento, Neurologiche, Ortopediche e della Testa-Collo, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Pierangelo Geppetti
- Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, Florence, Italy
- Headache Center and Clinical Pharmacology Unit, Careggi University Hospital, Florence, Italy
| | - Luigi F. Iannone
- Section of Clinical Pharmacology and Oncology, Department of Health Sciences, University of Florence, Florence, Italy
- Headache Center and Clinical Pharmacology Unit, Careggi University Hospital, Florence, Italy
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Molecular Mechanism of the Saposhnikovia divaricata–Angelica dahurica Herb Pair in Migraine Therapy Based on Network Pharmacology and Molecular Docking. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:1994575. [DOI: 10.1155/2022/1994575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/23/2022] [Accepted: 11/12/2022] [Indexed: 11/27/2022]
Abstract
Objective. This work studied the molecular mechanism of the Saposhnikovia divaricata–Angelica dahurica herb pair (SAHP) in migraine treatment. Methods. The active ingredients of drugs were screened, and potential targets were predicted by the Traditional Chinese Medicine Systems Pharmacology (TCMSP), TCMID, ETCM, and other databases. Migraine-related targets were obtained by harnessing the GeneCards, DrugBank, OMIM, TTD, and other databases. The protein-protein interaction (PPI) network was constructed with STRING software by performing a Venn analysis with bioinformatics. Gene Ontology (GO) functional enrichment and the Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were performed with the Metascape platform. The component-target-pathway (C-T-P) network was constructed with Cytoscape 3.7.2 software, and molecular docking was assessed with AutoDockVina software. Results. A total of 183 relevant targets and 39 active ingredients in migraine therapy were obtained from SAHP. The active ingredients and targets were screened according to topological parameters: wogonin, anomalin, imperatorin, prangenin, 2-linoleoylglycerol, and methylenetanshinquinone were identified as key active ingredients. PTGS2, PIK3CA, PIK3CB, PIK3CD, F2, and AR were identified as key targets. The molecular docking results demonstrated high binding activity between the key active ingredients and key targets. A total of 20 important signaling pathways, including neural signaling pathways, calcium signaling pathways, pathways in cancer, cAMP signaling pathways, and PI3K-Akt signaling pathways, were obtained through enrichment analysis. Conclusion. Migraine with SAHP is mainly treated through anti-inflammatory and analgesic effects. The herb pair can be used for migraine using “multicomponent, multitarget, and multipathway” approaches.
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How to gain evidence for causation in disease and therapeutic intervention: from Koch’s postulates to counter-counterfactuals. MEDICINE, HEALTH CARE AND PHILOSOPHY 2022; 25:509-521. [PMID: 35792996 PMCID: PMC9427919 DOI: 10.1007/s11019-022-10096-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 04/06/2022] [Accepted: 05/26/2022] [Indexed: 11/03/2022]
Abstract
AbstractResearchers, clinicians, and patients have good reasons for wanting answers to causal questions of disease and therapeutic intervention. This paper uses microbiologist Robert Koch’s pioneering work and famous postulates to extrapolate a logical sequence of evidence for confirming the causes of disease: association between individuals with and without a disease; isolation of causal agents; and the creation of a counterfactual (demonstrating that an agent is sufficient to reproduce the disease anew). This paper formally introduces counter-counterfactuals, which appear to have been used, perhaps intuitively, since the time of Koch and possibly earlier. An argument is presented that counter-counterfactuals (disease-preventers) are a useful tool for identifying necessary causes of disease, and sometimes must be used in place of isolation which is not always possible. In addition, a logical sequence of causal evidence for a therapeutic intervention is presented: creating a counterfactual (demonstrating that the intervention is sufficient to change the natural course of a disease), comparisons between subjects in receipt of treatment versus those who are not (typically within a randomised controlled trial, which can quantify effects of intervention), and counter-counterfactuals (treatment-preventers, which can identify the intervention’s mechanisms of action).
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8
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Limeira RRT, Dantas NV, Tomaz-Morais JF, Costa TKVLD, Braga RM, Sousa FB, Scotti L, Salvadori MGDSS, Almeida RND, Castro RD. Orofacial antinociceptive effects of perillyl alcohol associated with codeine and its possible modes of action. Braz Oral Res 2022; 36:e109. [PMID: 35946737 DOI: 10.1590/1807-3107bor-2022.vol36.0109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 04/04/2022] [Indexed: 11/22/2022] Open
Abstract
This study evaluated the orofacial antinociceptive effect of (S)-(-)-perillyl alcohol (PA) associated with codeine (C) and investigated the possible molecular anchorage mechanisms of PA. Mice (n = 5 per group) were treated with PA alone and associated with codeine and assigned to the following groups: 75.0 mg/kg PA; 75.0 mg/kg PA + C 30 mg/kg; PA 37.5 mg/kg + C 15.0 mg/kg; C 30.0 mg/kg; and control. Nociception was induced by formalin, capsaicin, and glutamate, and was quantified based on the duration (in seconds) of face grooming. The possible mechanisms of action were evaluated by molecular docking study. In the formalin test, PA75/C30 presented an effect in the neurogenic (p < 0.0001) and inflammatory (p < 0.005) phases. Mice treated with PA75 (p < 0.0001) and PA75/C30 (p < 0.0005) showed a reduced nociceptive behavior in the capsaicin test. Glutamate-induced nociception also was blocked by PA75 (p < 0.0005) and C30 (p < 0.0005). The molecular anchorage analysis indicated high negative binding energy values for the evaluated receptors, especially glutamate receptors (AMPA -79.57 Kcal/mol, mGLUR6 -71.25, and NMDA -66.33 Kcal/mol). PA associated with codeine showed orofacial antinociceptive activity, with theoretical evidence of interaction with glutamate receptors.
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Affiliation(s)
| | - Natália Viana Dantas
- Universidade Federal da Paraíba - UFPB, Graduate Program in Dentistry , João Pessoa , PB , Brazil
| | | | | | - Renan Marinho Braga
- Universidade Federal da Paraíba - UFPB, Graduate Program in Natural and Synthetic Bioactive Products , João Pessoa , PB , Brazil
| | - Frederico Barbosa Sousa
- Universidade Federal da Paraíba - UFPB, Graduate Program in Dentistry , João Pessoa , PB , Brazil
| | - Luciana Scotti
- Universidade Federal da Paraíba - UFPB, Graduate Program in Natural and Synthetic Bioactive Products , João Pessoa , PB , Brazil
| | | | | | - Ricardo Dias Castro
- Universidade Federal da Paraíba - UFPB, Department of Clinical and Social Dentistry , João Pessoa , PB , Brazil
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Oğuz E, Cebeci A, Geçici CR. The relationship between nutrition and Ménière's disease. Auris Nasus Larynx 2021; 48:803-808. [PMID: 33773852 DOI: 10.1016/j.anl.2021.03.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/13/2021] [Accepted: 03/02/2021] [Indexed: 10/21/2022]
Abstract
Ménière's disease is an inner ear disease with attacks characterized by ear fullness, tinnitus, fluctuant sensorineural hearing loss and vertigo. Although pathophysiology of the disease is not fully known, endolymphatic hydrops are believed to play a role. Although there is no certain treatment procedure for Ménière's disease, some treatments are applied to prevent attacks, to treat the symptoms that occur during the attacks, and to prevent the permanent effects of the symptoms on the hearing and balance system. Lifestyle changes, dietary modifications, diuretics, vasodilator corticosteroids, intratympanic steroids, surgical methods are some of these treatment methods. Dietary modification includes a low sodium diet, a reduction in daily alcohol and caffeine intake, a gluten-free diet, and a new dietary approach to specially processed grains, all of which are first-line treatments. The goal of this review article is to examine the relationship between MD and dietary intervention, which is frequently used in the prevention and treatment of MD attacks.
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Affiliation(s)
- Esma Oğuz
- Department of Nutrition and Dietetics, Institute of Health Sciences, Marmara University, Istanbul, Turkey
| | - Aybike Cebeci
- Department of Nutrition and Dietetics, Institute of Health Sciences, Marmara University, Istanbul, Turkey
| | - Cennet Reyyan Geçici
- Department of Audiology, Faculty of Health Sciences, Marmara University, Istanbul, Turkey.
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Neurophysiological Model of Migraine Pathophysiology: Bringing the Past into the Future. NEUROPHYSIOLOGY OF THE MIGRAINE BRAIN 2021. [DOI: 10.1007/978-3-030-56538-1_17] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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11
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Lionetto L, Guglielmetti M, Cipolla F, Bernardini S, Koehler BE, Capi M, De Bernardini D, Curto M, Manetti R, Nicoletti F, Simmaco M, Martelletti P. Polyamines serum levels in episodic and chronic migraine. Expert Rev Neurother 2020; 21:249-254. [PMID: 33295216 DOI: 10.1080/14737175.2021.1862650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Background: Previous studies focused on food as the trigger of a migraine attack did not consider polyamines as possible activators and sensitizers of the trigeminal-vascular system through their interaction with NMDA glutamate receptors. Therefore, this study aimed to assess serum levels of nine polyamines and to evaluate their role as possible triggers and crisis maintainers in episodic and chronic migraine patients. Materials and methods: The study included 50 patients with episodic migraine (EM), 50 patients with chronic migraine (CM) and 50 healthy controls (HC). Serum levels of nine polyamines have been determined by Liquid Chromatography tandem Mass Spectrometry. Specifically, agmatine, spermidine, spermine, putrescine, cadaverine, arginine, ornithine, citrulline and lysine levels were studied. Results: Agmatine serum levels resulted reduced in EC patients with respect to CM and HC. Compared to HC subjects, serum levels of spermine and spermidine were statistically significantly increased both in CM and EM patients. Conclusions: The authors suggest that alterations of polyamines levels might contribute to the understanding of migraine external activation and help to clarify the potential role of NMDA receptor polyamines site antagonists in migraine treatment.
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Affiliation(s)
- Luana Lionetto
- Laboratory of Clinical Biochemistry, Mass Spectrometry Section, Sant'Andrea University Hospital , Rome, Italy
| | - Martina Guglielmetti
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy.,Department of Medical, Surgical and Experimental Sciences, University of Sassari , Sassari, Italy
| | - Fabiola Cipolla
- Laboratory of Clinical Biochemistry, Mass Spectrometry Section, Sant'Andrea University Hospital , Rome, Italy
| | - Simone Bernardini
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy
| | | | - Matilde Capi
- Laboratory of Clinical Biochemistry, Mass Spectrometry Section, Sant'Andrea University Hospital , Rome, Italy
| | - Donatella De Bernardini
- Laboratory of Clinical Biochemistry, Mass Spectrometry Section, Sant'Andrea University Hospital , Rome, Italy
| | - Martina Curto
- Department of Neurology and Psychiatry, Sapienza University , Rome, Italy.,Bipolar & Psychotic Disorders Program, McLean Hospital , Belmont, MA, USA
| | - Roberto Manetti
- Department of Medical, Surgical and Experimental Sciences, University of Sassari , Sassari, Italy
| | - Ferdinando Nicoletti
- Department of Physiology and Pharmacology, Sapienza University , Rome, Italy.,I.R.C.C.S. Neuromed , Pozzilli, Italy
| | - Maurizio Simmaco
- Laboratory of Clinical Biochemistry, Mass Spectrometry Section, Sant'Andrea University Hospital , Rome, Italy.,Department of Neurosciences, Mental Health and Sensory Organs (NESMOS), Sapienza University, Advanced Molecular Diagnostic Unit (Dima), Sant'Andrea Hospital-Sapienza University , Rome, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy
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Costa TKVLD, Barros MS, Braga RM, Viana JDO, Sousa FBD, Scotti L, Scotti MT, Batista AUD, Almeida RND, Castro RDD. Orofacial antinociceptive activity and anchorage molecular mechanism in silico of geraniol. Braz Oral Res 2020; 34:e094. [PMID: 32785475 DOI: 10.1590/1807-3107bor-2020.vol34.0094] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 06/22/2020] [Indexed: 11/22/2022] Open
Abstract
We aimed to evaluate the orofacial antinociceptive effect of geraniol in mice and its molecular anchorage mechanism. Seven mice per group (probabilistic sample) were treated with geraniol (12.5, 25 and 50 mg/kg, i.p.), morphine (6 mg/kg, i.p.) and vehicle (saline + Tween 80 at 0.2%, i.p.) 30 minutes prior to the beginning of the experiment. Injecting glutamate (25 μM), capsaicin (2.5 μg) and formalin (2%) into the right upper lip (perinasal) of the mouse induced nociception. Behavioral analysis of the animals considered the friction time (in seconds) of the mentioned region using hind or front paws by a researcher blinded to the treatment groups. The statistical analysis was performed blindly, considering α = 5%. The results showed that in the glutamate and capsaicin tests, concentrations of 25 mg/kg and 50 mg/kg presented antinociceptive activity (p < 0.005, power> 80%). In the formalin test, geraniol was able to reduce nociception at a concentration of 50 mg/kg (p < 0.005, power> 80%). In the molecular anchorage study, high values of binding between the evaluated substance and receptors of glutamate were observed (metabotropic glutamate receptor, -87.8501 Kcal/mol; N-methyl-D-aspartate, -86.4451 Kcal/mol; α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid, -85.6755 Kcal/mol). Geraniol presented orofacial antinociceptive activity, probably by interacting with glutamate-related receptors.
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Affiliation(s)
| | - Mariana Silva Barros
- Department of Clinical and Social Dentistry, Faculty of Dentistry, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Renan Marrinho Braga
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Jéssika de Oliveira Viana
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Frederico Barbosa de Sousa
- Department of Morphology, Faculty of Dentistry, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Luciana Scotti
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Marcus Tullius Scotti
- Department of Chemistry, Faculty of Chemistry, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - André Ulisses Dantas Batista
- Department of Restorative Dentistry, Faculty of Dentistry, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Reinaldo Nóbrega de Almeida
- Department of Physiology and Pathology, Institute of Drugs and Medicines Research, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
| | - Ricardo Dias de Castro
- Department of Clinical and Social Dentistry, Faculty of Dentistry, Universidade Federal da Paraíba, João Pessoa, PB, Brazil
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Vécsei L, Lukács M, Tajti J, Fülöp F, Toldi J, Edvinsson L. The Therapeutic Impact of New Migraine Discoveries. Curr Med Chem 2019; 26:6261-6281. [PMID: 29848264 DOI: 10.2174/0929867325666180530114534] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 04/18/2018] [Accepted: 05/03/2018] [Indexed: 01/03/2023]
Abstract
BACKGROUND Migraine is one of the most disabling neurological conditions and associated with high socio-economic costs. Though certain aspects of the pathomechanism of migraine are still incompletely understood, the leading hypothesis implicates the role of the activation of the trigeminovascular system. Triptans are considered to be the current gold standard therapy for migraine attacks; however, their use in clinical practice is limited. Prophylactic treatment includes non-specific approaches for migraine prevention. All these support the need for future studies in order to develop innovative anti-migraine drugs. OBJECTIVE The present study is a review of the current literature regarding new therapeutic lines in migraine research. METHODS A systematic literature search in the database of PUBMED was conducted concerning therapeutic strategies in a migraine published until July 2017. RESULTS Ongoing clinical trials with 5-HT1F receptor agonists and glutamate receptor antagonists offer promising new aspects for acute migraine treatment. Monoclonal antibodies against CGRP and the CGRP receptor are revolutionary in preventive treatment; however, further long-term studies are needed to test their tolerability. Preclinical studies show positive results with PACAP- and kynurenic acid-related treatments. Other promising therapeutic strategies (such as those targeting TRPV1, substance P, NOS, or orexin) have failed to show efficacy in clinical trials. CONCLUSION Due to their side-effects, current therapeutic approaches are not suitable for all migraine patients. Especially frequent episodic and chronic migraine represents a therapeutic challenge for researchers. Clinical and preclinical studies are needed to untangle the pathophysiology of migraine in order to develop new and migraine-specific therapies.
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Affiliation(s)
- László Vécsei
- Department of Neurology, University of Szeged, Szeged, Hungary.,MTASZTE Neuroscience Research Group, Szeged, Hungary
| | - Melinda Lukács
- Department of Neurology, University of Szeged, Szeged, Hungary
| | - János Tajti
- Department of Neurology, University of Szeged, Szeged, Hungary
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry and MTA-SZTE Research Group for Stereochemistry, University of Szeged, Szeged, Hungary
| | - József Toldi
- Department of Physiology, Anatomy and Neuroscience, University of Szeged, Szeged, Hungary
| | - Lars Edvinsson
- Department of Clinical Sciences, Division of Experimental Vascular Research, Lund University, Lund, Sweden.,Department of Clinical Experimental Research, Copenhagen University, Glostrup Hospital, Copenhagen, Denmark
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Abstract
Migraine is a strongly disabling disease characterized by a unilateral throbbing headache lasting for up to 72 h for each individual attack. There have been many theories on the pathophysiology of migraine throughout the years. Currently, the neurovascular theory dominates, suggesting clear involvement of the trigeminovascular system. The most recent data show that a migraine attack most likely originates in the hypothalamus and activates the trigeminal nucleus caudalis (TNC). Although the mechanisms are unknown, activation of the TNC leads to peripheral release of calcitonin gene-related protein (CGRP), most likely from C-fibers. During the past year monoclonal antibodies against CGRP or the CGRP receptor have emerged as the most promising targets for migraine therapy, and at the same time established the strong involvement of CGRP in the pathophysiology of migraine. The viewpoint presented here focuses further on the activation of the CGRP receptor on the sensory Aδ-fiber, leading to the sensation of pain. The CGRP receptor activates adenylate cyclase, which leads to an increase in cyclic adenosine monophosphate (cAMP). We hypothesize that cAMP activates the hyperpolarization-activated cyclic nucleotide-gated (HCN) channels, triggering an action potential sensed as pain. The mechanisms behind migraine pain on a molecular level, particularly their importance to cAMP, provide clues to potential new anti-migraine targets. In this article we focus on the development of targets related to the CGRP system, and further include novel targets such as the pituitary adenylate cyclase-activating peptide (PACAP) system, the serotonin 5-HT1F receptor, purinergic receptors, HCN channels, adenosine triphosphate-sensitive potassium channels (KATP), and the glutaminergic system.
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Glutamate affects the CYP1B1- and CYP2U1-mediated hydroxylation of arachidonic acid metabolism via astrocytic mGlu5 receptor. Int J Biochem Cell Biol 2019; 110:111-121. [DOI: 10.1016/j.biocel.2019.03.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 01/27/2019] [Accepted: 03/01/2019] [Indexed: 01/10/2023]
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Lambru G, Andreou AP, Guglielmetti M, Martelletti P. Emerging drugs for migraine treatment: an update. Expert Opin Emerg Drugs 2018; 23:301-318. [PMID: 30484333 DOI: 10.1080/14728214.2018.1552939] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Introduction: Migraine is a very frequent and disabling neurological disorder. The current treatment options are old, generally poorly tolerated and not migraine-specific, reflecting the low priority of migraine research and highlighting the vast unmet need in its management. Areas covered: Advancement in the understanding of migraine pathophysiological mechanisms and identification of novel potentially meaningful targets have resulted in a multitude of emerging acute and preventive treatments. Here we review the known putative migraine pathophysiological mechanisms in order to understand the rationale of the most promising novel treatments targeting the Calcitonin-Gene-Related Peptide receptor and ligand and the 5 hydroxytryptamine (5-HT)1F receptor. Key findings on the phase II and phase III clinical trials on these treatments will be summarized. Furthermore, a critical analysis on failed trials of potentially meaningful targets such the nitric oxide and the orexinergic pathways will be conducted. Future perspective will be outlined. Expert opinion: The recent approval of Erenumab and Fremanezumab is a major milestone in the therapy of migraine since the approval of triptans. Several more studies are needed to fully understand the clinical potential, long-term safety and cost-effectiveness of these therapies. This paramount achievement should stimulate the development of further research in the migraine field.
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Affiliation(s)
- Giorgio Lambru
- a The Headache Centre, Pain Management and Neuromodulation , Guy's and St Thomas NHS Foundation Trust , London , UK.,b The Wolfson CARD, Institute of Psychology, Psychiatry and Neuroscience , King's College London , London , UK
| | - Anna P Andreou
- a The Headache Centre, Pain Management and Neuromodulation , Guy's and St Thomas NHS Foundation Trust , London , UK.,b The Wolfson CARD, Institute of Psychology, Psychiatry and Neuroscience , King's College London , London , UK
| | - Martina Guglielmetti
- c Department of Clinical and Molecular Medicine , Sapienza" University, "Sant'Andrea" Hospital, Regional Referral Headache Centre , Rome , Italy
| | - Paolo Martelletti
- c Department of Clinical and Molecular Medicine , Sapienza" University, "Sant'Andrea" Hospital, Regional Referral Headache Centre , Rome , Italy
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17
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Tringali G, Currò D, Navarra P. Perampanel inhibits calcitonin gene-related peptide release from rat brainstem in vitro. J Headache Pain 2018; 19:107. [PMID: 30419806 PMCID: PMC6755590 DOI: 10.1186/s10194-018-0940-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Accepted: 10/31/2018] [Indexed: 12/13/2022] Open
Abstract
Background Perampanel is a novel antiepileptic drug acting via non-competitive antagonism on glutamatergic AMPA receptors, and the subsequent inhibition of ion calcium influx. Since it was recently postulated that the antagonists of glutamate receptors might play a role in the treatment of migraine, in this study we investigated the putative anti-migraine activity of perampanel in an in vitro animal model involving the static incubation of rat brainstem explants and the subsequent measurement of immune-reactive calcitonin gene-related peptide released into the incubation medium. Methods Acute rat brainstem explants were incubated in plain medium or in medium containing graded concentrations of perampanel. The release into the medium was assessed by radioimmunoassay either under baseline conditions or after stimulation by such secretagogues as high K+ concentrations, veratridine or capsaicin. Results We found that: 1) under baseline conditions perampanel, given in the range 0.01–100 μM, inhibited in a concentration-dependent manner calcitonin gene-related peptide’s release compared to controls; the decrease was statistically significant as from 10 μM; 2) a significant and consistent increase in calcitonin gene-related peptide’s secretion was induced by all depolarizing stimuli after 1 h of incubation; 3) under these conditions, calcitonin gene-related peptide’s release stimulated by 56 mM KCl was significantly reduced by perampanel from 0.1 μM onward, whereas secretion stimulated by veratridine was significantly reduced as from 1 μM; 4) on the contrary, perampanel had no effect on capsaicin-induced calcitonin gene-related peptide’s release up to 100 μM. Conclusions Here we provided preliminary in vitro evidence suggesting that perampanel might control pain transmission under conditions of activated trigeminal system, in a preclinical model mimicking the pathophysiology of human migraine.
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Affiliation(s)
- Giuseppe Tringali
- Institute of Pharmacology, Fondazione Policlinico Universitario A. Gemelli IRCSS, Roma - Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168, Rome, Italy.
| | - Diego Currò
- Institute of Pharmacology, Fondazione Policlinico Universitario A. Gemelli IRCSS, Roma - Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168, Rome, Italy
| | - Pierluigi Navarra
- Institute of Pharmacology, Fondazione Policlinico Universitario A. Gemelli IRCSS, Roma - Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168, Rome, Italy.
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18
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Scourboutakos MJ, Murphy SA, L'Abbé MR. Association between salt substitutes/enhancers and changes in sodium levels in fast-food restaurants: a cross-sectional analysis. CMAJ Open 2018; 6. [PMID: 29514800 PMCID: PMC5878952 DOI: 10.9778/cmajo.20170137] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Restaurant foods have high sodium levels, and efforts have been made to promote reductions. The objective of this study was to understand if salt substitutes and enhancers are associated with changes in sodium levels in fast-food restaurants. METHODS A longitudinal database (MENU-FLIP) containing nutrition information for Canadian chain restaurants with 20 or more locations nationally was created in 2010 and updated in 2013 and 2016. In 2016, when available, ingredient lists were collected from restaurant websites and searched for the presence of salt substitutes/enhancers. Changes in sodium levels (per serving) and the prevalence of salt substitutes/enhancers in 222 foods from 12 of the leading fast-food restaurant chains were compared across 3 time points. RESULTS Sixty-nine percent of foods contained a salt substitute/enhancer. Substitutes/enhancers were found in every restaurant chain (n = 12) for which ingredient data were available. The most common substitutes/enhancers were yeast extracts (in 30% of foods), calcium chloride (28%), monosodium glutamate (14%) and potassium chloride (12%). Sodium levels in foods that contained substitutes/enhancers decreased significantly more (190 ± 42 mg/serving) over the study period than those in foods that did not contain a substitute/enhancer (40 ± 17 mg/serving, p < 0.001). INTERPRETATION Salt substitutes and enhancers are prevalent in restaurant foods and are one means by which restaurants may be lowering sodium levels in their foods. At this time, the potential consequences of these findings, if any, are uncertain.
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Affiliation(s)
- Mary J Scourboutakos
- Affiliation: Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ont
| | - Sarah A Murphy
- Affiliation: Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ont
| | - Mary R L'Abbé
- Affiliation: Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Ont
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Dextromethorphan/Quinidine in Migraine Prophylaxis: An Open-label Observational Clinical Study. Clin Neuropharmacol 2018; 41:64-69. [DOI: 10.1097/wnf.0000000000000272] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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20
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Szymańska E, Chałupnik P, Johansen TN, Nielsen B, Cuñado Moral AM, Pickering DS, Więckowska A, Kieć-Kononowicz K. Aryl- and heteroaryl-substituted phenylalanines as AMPA receptor ligands. Chem Biol Drug Des 2017. [PMID: 28636281 DOI: 10.1111/cbdd.13048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A series of racemic unnatural amino acids was rationally designed on the basis of recently published X-ray structures of the GluA2 LBD with bound phenylalanine-based antagonists. Twelve new diaryl- or aryl/heteroaryl-substituted phenylalanine derivatives were synthesized and evaluated in vitro in radioligand binding assays at native rat ionotropic glutamate receptors. The most interesting compound in this series, (RS)-2-amino-3-(3'-hydroxy-5-(1H-pyrazol-4-yl)-[1,1'-biphenyl]-3-yl)propanoic acid 7e, showed the binding affinity of 4.6 μm for native AMPA receptors and over fourfold lower affinity for kainic acid receptors. Furthermore, 7e was evaluated at recombinant homomeric rat GluA2 and GluA3 receptors. Recently reported X-ray structures 5CBR and 5CBS, representing two distinct antagonist binding modes, were used as templates for molecular docking of the synthesized series. Binding data supported with molecular modeling confirmed that aryl/heteroaryl-substituted phenylalanine analogues effectively bind to AMPA receptors with low micromolar affinity and high selectivity over native NMDA and kainate receptors. These properties make 7e a promising lead for the further development of new AMPA receptor ligands.
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Affiliation(s)
- Ewa Szymańska
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Kraków, Poland
| | - Paulina Chałupnik
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Kraków, Poland
| | - Tommy N Johansen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Birgitte Nielsen
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ana Maria Cuñado Moral
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Darryl S Pickering
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Anna Więckowska
- Department of Medicinal Chemistry, Jagiellonian University Medical College, Kraków, Poland
| | - Katarzyna Kieć-Kononowicz
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Kraków, Poland
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Ferrari A, Rustichelli C, Baraldi C. Glutamate receptor antagonists with the potential for migraine treatment. Expert Opin Investig Drugs 2017; 26:1321-1330. [PMID: 29050521 DOI: 10.1080/13543784.2017.1395411] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Preclinical, clinical, and other (e.g., genetic) evidence support the concept that migraine susceptibility may at least partially result from a glutamatergic system disorder. Therefore, the receptors of the glutamatergic system are considered relatively new targets for investigational drugs to treat migraine. Investigational and established glutamate receptor antagonists (GluRAs) have been shown to possess antinociceptive properties in preclinical models of trigeminovascular nociception and have been evaluated in clinical trials. This review focuses on preclinical and clinical studies of GluRAs for the treatment of migraine. Areas covered: A PubMed database search (from 1987 to December 2016) and a review of published studies on GluRAs in migraine were conducted. Expert opinion: All published clinical trials of investigational GluRAs have been unsuccessful in establishing benefit for acute migraine treatment. Clinical trial results contrast with the preclinical data, suggesting that glutamate (Glu) does not play a decisive role after the attack has already been triggered. These antagonists may instead be useful for migraine prophylaxis. Improving patient care requires further investigating and critically analyzing the role of Glu in migraine, designing experimental models to study more receptors and their corresponding antagonists, and identifying biomarkers to facilitate trials designed to target specific subgroups of migraine patients.
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Affiliation(s)
- Anna Ferrari
- a Unit of Medical Toxicology, Headache and Drug Abuse Centre; Department of Diagnostic, Clinical and Public Health Medicine , University of Modena and Reggio Emilia , Modena , Italy
| | - Cecilia Rustichelli
- b Department of Life Sciences , University of Modena and Reggio Emilia , Modena , Italy
| | - Carlo Baraldi
- a Unit of Medical Toxicology, Headache and Drug Abuse Centre; Department of Diagnostic, Clinical and Public Health Medicine , University of Modena and Reggio Emilia , Modena , Italy
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Akerman S, Romero-Reyes M, Holland PR. Current and novel insights into the neurophysiology of migraine and its implications for therapeutics. Pharmacol Ther 2017; 172:151-170. [PMID: 27919795 DOI: 10.1016/j.pharmthera.2016.12.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Migraine headache and its associated symptoms have plagued humans for two millennia. It is manifest throughout the world, and affects more than 1/6 of the global population. It is the most common brain disorder, and is characterized by moderate to severe unilateral headache that is accompanied by vomiting, nausea, photophobia, phonophobia, and other hypersensitive symptoms of the senses. While there is still a clear lack of understanding of its neurophysiology, it is beginning to be understood, and it seems to suggest migraine is a disorder of brain sensory processing, characterized by a generalized neuronal hyperexcitability. The complex symptomatology of migraine indicates that multiple neuronal systems are involved, including brainstem and diencephalic systems, which function abnormally, resulting in premonitory symptoms, ultimately evolving to affect the dural trigeminovascular system, and the pain phase of migraine. The migraineur also seems to be particularly sensitive to fluctuations in homeostasis, such as sleep, feeding and stress, reflecting the abnormality of functioning in these brainstem and diencephalic systems. Implications for therapeutic development have grown out of our understanding of migraine neurophysiology, leading to major drug classes, such as triptans, calcitonin gene-related peptide receptor antagonists, and 5-HT1F receptor agonists, as well as neuromodulatory approaches, with the promise of more to come. The present review will discuss the current understanding of the neurophysiology of migraine, particularly migraine headache, and novel insights into the complex neural networks responsible for associated neurological symptoms, and how interaction of these networks with migraine pain pathways has implications for the development of novel therapeutics.
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Affiliation(s)
- Simon Akerman
- Department of Oral and Maxillofacial Pathology, Radiology and Medicine, New York University College of Dentistry, New York, NY 10010, USA.
| | - Marcela Romero-Reyes
- Department of Oral and Maxillofacial Pathology, Radiology and Medicine, New York University College of Dentistry, New York, NY 10010, USA
| | - Philip R Holland
- Basic and Clinical Neuroscience, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Takehana S, Kubota Y, Uotsu N, Yui K, Shimazu Y, Takeda M. Acute intravenous administration of dietary constituent theanine suppresses noxious neuronal transmission of trigeminal spinal nucleus caudalis in rats. Brain Res Bull 2017; 131:70-77. [PMID: 28315395 DOI: 10.1016/j.brainresbull.2017.03.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 02/08/2017] [Accepted: 03/09/2017] [Indexed: 11/16/2022]
Abstract
Theanine is a non-dietary amino acid linked to the modulation of synaptic transmission in the central nervous system, although the acute effects of theanine in vivo, particularly on nociceptive transmission in the trigeminal system, remain to be determined. The present study investigated whether acute intravenous theanine administration to rats attenuates the excitability of wide dynamic range (WDR) spinal trigeminal nucleus caudalis (SpVc) neurons in response to nociceptive and non-nociceptive mechanical stimulation in vivo. Extracellular single unit recordings were made from 15 SpVc neurons in response to orofacial mechanical stimulation of pentobarbital-anesthetized rats, and responses to non-noxious and noxious mechanical stimuli were analyzed. The mean firing frequency of SpVc WDR neurons in response to all mechanical stimuli was dose-dependently inhibited by theanine (10, 50, and 100mM, i.v.) with the maximum inhibition of discharge frequency reached within 5min. These inhibitory effects were reversed after approximately 10min. The relative magnitude of theanine's inhibition of SpVc WDR neuronal discharge frequency was significantly greater for noxious than non-noxious stimulation. Iontophoretic application of l-glutamate induced the mean firing frequency of SpVc WDR neuron responding to noxious mechanical stimulation was also inhibited by intravenous administration of 100mM theanine. These results suggest that acute intravenous theanine administration suppresses glutaminergic noxious synaptic transmission in the SpVc, implicating theanine as a potential complementary and alternative therapeutic agent for the treatment of trigeminal nociceptive pain.
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Affiliation(s)
- Shiori Takehana
- Laboratory of Food and Physiological Sciences, Department of Life and Food Sciences, School of Life and Environmental Sciences, Azabu University, 1-17-71, Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Yoshiko Kubota
- FANCL Health Science Research Center, Research Institute, FANCL Corporation, 12-13, Kamishinano, Totsuka-ku, Yokohama, Kanagawa, 244-0806, Japan
| | - Nobuo Uotsu
- FANCL Health Science Research Center, Research Institute, FANCL Corporation, 12-13, Kamishinano, Totsuka-ku, Yokohama, Kanagawa, 244-0806, Japan
| | - Kei Yui
- FANCL Health Science Research Center, Research Institute, FANCL Corporation, 12-13, Kamishinano, Totsuka-ku, Yokohama, Kanagawa, 244-0806, Japan
| | - Yoshihito Shimazu
- Laboratory of Food and Physiological Sciences, Department of Life and Food Sciences, School of Life and Environmental Sciences, Azabu University, 1-17-71, Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan
| | - Mamoru Takeda
- Laboratory of Food and Physiological Sciences, Department of Life and Food Sciences, School of Life and Environmental Sciences, Azabu University, 1-17-71, Fuchinobe, Chuo-ku, Sagamihara, Kanagawa, 252-5201, Japan.
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Castillo-Álvarez F, Hernando de la Bárcena I, Marzo-Sola ME. Botulinum toxin in trigeminal neuralgia. Med Clin (Barc) 2016; 148:28-32. [PMID: 27743594 DOI: 10.1016/j.medcli.2016.07.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 07/13/2016] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Trigeminal neuralgia is one of the most disabling facial pain syndromes, with a significant impact on patients' quality of life. Pharmacotherapy is the first choice for treatment but cases of drug resistance often require new strategies, among which various interventional treatments have been used. In recent years a new therapeutic strategy consisting of botulinum toxin has emerged, with promising results. DEVELOPMENT We reviewed clinical cases and case series, open-label studies and randomized clinical trials examining the use of botulinum toxin for drug-refractory trigeminal neuralgia published in the literature. CONCLUSIONS The administration of botulinum toxin has proven to be a safe and effective therapeutic strategy in patients with drug-refractory idiopathic trigeminal neuralgia, but many questions remain unanswered as to the precise role of botulinum toxin in the treatment of this disease.
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O’Brien M, Cairns BE. Monosodium glutamate alters the response properties of rat trigeminovascular neurons through activation of peripheral NMDA receptors. Neuroscience 2016; 334:236-244. [DOI: 10.1016/j.neuroscience.2016.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 08/02/2016] [Accepted: 08/04/2016] [Indexed: 01/03/2023]
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Van der Auwera S, Teumer A, Hertel J, Homuth G, Völker U, Lucht MJ, Degenhardt F, Schulze T, Rietschel M, Nöthen MM, John U, Nauck M, Grabe HJ. The inverse link between genetic risk for schizophrenia and migraine through NMDA (N-methyl-D-aspartate) receptor activation via D-serine. Eur Neuropsychopharmacol 2016; 26:1507-1515. [PMID: 27394076 DOI: 10.1016/j.euroneuro.2016.03.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 02/18/2016] [Accepted: 03/24/2016] [Indexed: 10/21/2022]
Abstract
Schizophrenia has a considerable genetic background. Epidemiological studies suggest an inverse clinical association between schizophrenia and migraine. However, it is unclear to what extent this inverse comorbidity can be explained by genetic mechanisms or by schizophrenia-related behavioral factors. For both disorders hypotheses of glutamate N-methyl-D-aspartate (NMDA) receptor dysfunction have been developed in the past. We hypothesized that both conditions share common genetic factors with inverse effects, primary in the glutamatergic system and genes involved in NMDA activation. Data from the population based Study of Health in Pomerania (N=3973) were used. Based on the results from the recent genome-wide association study for schizophrenia, we calculated polygenic scores (PRS) for subsets of SNPs with different p-value cutoffs and for biological sub-entities. These scores were tested for an association of distinct biological pathways with migraine. The PRS for schizophrenia was inversely associated with migraine in our sample. This association was exclusively based on the genome-wide hits and on single nucleotide polymorphisms near or within genes encoding proteins involved in glutamatergic neurotransmission. This association could be attributed to a single intronic variant rs4523957 in SRR encoding serine-racemase. Additional expression quantitative trait loci analyses of functional variants in SRR and gene-by-gene interaction analyses further supported the validity of this finding. SRR represents the rate limiting enzyme for the synthesis of D-serine, an important co-agonist of the NMDA receptor. According to our results, a decreased versus increased activation of NMDA receptors may play a role in the etiology of schizophrenia, as well as in migraine.
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Affiliation(s)
- Sandra Van der Auwera
- Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ellernholzstraße 1-2, 17475 Greifswald, Germany.
| | - Alexander Teumer
- Institute for Community Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Johannes Hertel
- Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ellernholzstraße 1-2, 17475 Greifswald, Germany
| | - Georg Homuth
- Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Uwe Völker
- Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald, Greifswald, Germany
| | - Michael J Lucht
- Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ellernholzstraße 1-2, 17475 Greifswald, Germany
| | - Franziska Degenhardt
- Institute of Human Genetics, University of Bonn, Bonn, Germany; Department of Genomics, Life and Brain Center, University of Bonn, Bonn, Germany
| | - Thomas Schulze
- Department of Psychiatry and Psychotherapy, University Medical Center, Göttingen, Germany; Institute of Psychiatric Phenomics and Genomics (IPPG), Ludwig-Maximilians-University, Munich, Germany
| | - Marcella Rietschel
- Division of Genetic Epidemiology in Psychiatry, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Markus M Nöthen
- Institute of Human Genetics, University of Bonn, Bonn, Germany; Department of Genomics, Life and Brain Center, University of Bonn, Bonn, Germany
| | - Ulrich John
- Institute of Social Medicine and Prevention, University Medicine Greifswald, Greifswald, Germany
| | - Matthias Nauck
- Institute of Clinical Chemistry and Laboratory Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Hans Jörgen Grabe
- Department of Psychiatry and Psychotherapy, University Medicine Greifswald, Ellernholzstraße 1-2, 17475 Greifswald, Germany
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Gasparini CF, Smith RA, Griffiths LR. Genetic insights into migraine and glutamate: a protagonist driving the headache. J Neurol Sci 2016; 367:258-68. [PMID: 27423601 DOI: 10.1016/j.jns.2016.06.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 05/11/2016] [Accepted: 06/08/2016] [Indexed: 12/12/2022]
Abstract
Migraine is a complex polygenic disorder that continues to be a great source of morbidity in the developed world with a prevalence of 12% in the Caucasian population. Genetic and pharmacological studies have implicated the glutamate pathway in migraine pathophysiology. Glutamate profoundly impacts brain circuits that regulate core symptom domains in a range of neuropsychiatric conditions and thus remains a "hot" target for drug discovery. Glutamate has been implicated in cortical spreading depression (CSD), the phenomenon responsible for migraine with aura and in animal models carrying FHM mutations. Genotyping case-control studies have shown an association between glutamate receptor genes, namely, GRIA1 and GRIA3 with migraine with indirect supporting evidence from GWAS. New evidence localizes PRRT2 at glutamatergic synapses and shows it affects glutamate signalling and glutamate receptor activity via interactions with GRIA1. Glutamate-system defects have also been recently implicated in a novel FHM2 ATP1A2 disease-mutation mouse model. Adding to the growing evidence neurophysiological findings support a role for glutamate in cortical excitability. In addition to the existence of multiple genes to choreograph the functions of fast-signalling glutamatergic neurons, glutamate receptor diversity and regulation is further increased by the post-translational mechanisms of RNA editing and miRNAs. Ongoing genetic studies, GWAS and meta-analysis implicate neurogenic mechanisms in migraine pathology and the first genome-wide associated locus for migraine on chromosome X. Finally, in addition to glutamate modulating therapies, the kynurenine pathway has emerged as a candidate for involvement in migraine pathophysiology. In this review we discuss recent genetic evidence and glutamate modulating therapies that bear on the hypothesis that a glutamatergic mechanism may be involved in migraine susceptibility.
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Affiliation(s)
- Claudia F Gasparini
- Menzies Health Institute Queensland, Griffith University Gold Coast, Parklands Drive, Southport, QLD 4222, Australia
| | - Robert A Smith
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD 4059, Australia
| | - Lyn R Griffiths
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD 4059, Australia.
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Antonaci F, Ghiotto N, Wu S, Pucci E, Costa A. Recent advances in migraine therapy. SPRINGERPLUS 2016; 5:637. [PMID: 27330903 PMCID: PMC4870579 DOI: 10.1186/s40064-016-2211-8] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 04/22/2016] [Indexed: 01/03/2023]
Abstract
Migraine is a common and highly disabling neurological disorder associated with a high socioeconomic burden. Effective migraine management depends on adequate patient education: to avoid unrealistic expectations, the condition must be carefully explained to the patient soon as it is diagnosed. The range of available acute treatments has increased over time. At present, abortive migraine therapy can be classed as specific (ergot derivatives and triptans) or non-specific (analgesics and non-steroidal anti-inflammatory drugs). Even though acute symptomatic therapy can be optimised, migraine continues to be a chronic and potentially progressive condition. In addition to the drugs officially approved for migraine prevention by international governmental regulatory agencies, numerous different agents are commonly used for this indication, showing various levels of evidence of efficacy and tolerability. Guidelines published in recent years, based on evidence-based medicine data on migraine prophylaxis, are a useful source of guidance, especially for primary care physicians and neurologists without specific expertise in headache medicine. Although the field of pharmacological migraine prevention has seen few advances in recent years, potential novel approaches are now being developed. This review looks at emerging pharmacological strategies for acute and preventive migraine treatment that are nearing or have already entered the clinical trial phase. Specifically, it discusses preclinical and clinical data on compounds acting on calcitonin gene-related peptide or its receptor, the serotonin 5-HT1F receptor, nitric oxide synthase, and acid-sensing ion channel blockers.
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Affiliation(s)
- Fabio Antonaci
- Headache Center, C. Mondino National Neurological Institute, Pavia, Italy ; Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Natascia Ghiotto
- Headache Center, C. Mondino National Neurological Institute, Pavia, Italy
| | - Shizheng Wu
- China Qinghai Provincial People's Hospital, Xining, China
| | - Ennio Pucci
- Headache Center, C. Mondino National Neurological Institute, Pavia, Italy ; Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Alfredo Costa
- Headache Center, C. Mondino National Neurological Institute, Pavia, Italy ; Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
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Du J, Li XH, Li YJ. Glutamate in peripheral organs: Biology and pharmacology. Eur J Pharmacol 2016; 784:42-8. [PMID: 27164423 DOI: 10.1016/j.ejphar.2016.05.009] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 04/29/2016] [Accepted: 05/04/2016] [Indexed: 01/28/2023]
Abstract
Glutamate is a versatile molecule existing in both the central nervous system and peripheral organs. Previous studies have mainly focussed on the biological effect of glutamate in the brain. Recently, abundant evidence has demonstrated that glutamate also participates in the regulation of physiopathological functions in peripheral tissues, including the lung, kidney, liver, heart, stomach and immune system, where the glutamate/glutamate receptor/glutamate transporter system plays an important role in the pathogenesis of certain diseases, such as myocardial ischaemia/reperfusion injury and acute gastric mucosa injury. All these findings provide new insight into the biology and pharmacology of glutamate and suggest a potential therapeutic role of glutamate in non-neurological diseases.
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Affiliation(s)
- Jie Du
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China; Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Xiao-Hui Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China
| | - Yuan-Jian Li
- Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China.
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Noruzzadeh R, Modabbernia A, Aghamollaii V, Ghaffarpour M, Harirchian MH, Salahi S, Nikbakht N, Noruzi N, Tafakhori A. Memantine for Prophylactic Treatment of Migraine Without Aura: A Randomized Double-Blind Placebo-Controlled Study. Headache 2015; 56:95-103. [DOI: 10.1111/head.12732] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/13/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Rezvan Noruzzadeh
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
| | | | - Vajiheh Aghamollaii
- Neurology Department, Roozbeh Hospital; Tehran University of Medical Sciences
| | - Majid Ghaffarpour
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
| | | | - Sarvenaz Salahi
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
| | - Nikta Nikbakht
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
| | - Nahid Noruzi
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Tafakhori
- Iranian Center of Neurological Research; Tehran University of Medical Sciences, Tehran, Iran
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Abstract
Confusion in the nomenclature of Ménière's disease and lack of a standard definition of the disorder until 1995 has hampered accurate assessment of treatment efficacy since the presently defined disorder was first described in 1938. The lack of a widely accepted mechanism of the disease has also delayed the development of rational treatments. Past treatments have focused on relieving elevated pressures in the hydropic ear and more recently on treatment of underlying migraine. Present dietary methods of control include sodium restriction and migraine trigger elimination. Pharmacologic treatments include diuretics, migraine prophylactic medications, histamine analogs, and oral steroids. Surgical procedures include intratympanic steroid perfusion, shunts, and ablative procedures when conservative treatments fail. External pressure devices are also used. Evidence of efficacy is lacking for most interventions other than ablation. At our institution, Ménière's disease is treated as a cerebrovascular disorder. Control of risk factors for cerebrovascular ischemia is combined with treatment of pressure dysfunction in the hydropic ear. Screening for risk factors is performed at presentation. Migraine, dyslipidemia, obesity, diabetes, sleep apnea, hypertension, and atherosclerosis are among the major factors that often require medical management. Migraine prophylactic medications, magnesium supplementation, sodium restriction, migraine trigger elimination, diuretics, anticoagulants, and antihypertensives are among the treatments used initially. Steroids administered orally or intratympanically are used if control is not achieved medically, and ablation remains the definitive treatment in unilateral cases experiencing treatment failure.
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Affiliation(s)
- Carol A Foster
- Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado, USA
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