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Ashina H, Christensen RH, Hay DL, Pradhan AA, Hoffmann J, Reglodi D, Russo AF, Ashina M. Pituitary adenylate cyclase-activating polypeptide signalling as a therapeutic target in migraine. Nat Rev Neurol 2024; 20:660-670. [PMID: 39256637 DOI: 10.1038/s41582-024-01011-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/01/2024] [Indexed: 09/12/2024]
Abstract
Migraine is a disabling neurological disorder that affects more than one billion people worldwide. The clinical presentation is characterized by recurrent headache attacks, which are often accompanied by photophobia, phonophobia, nausea and vomiting. Although the pathogenesis of migraine remains incompletely understood, mounting evidence suggests that specific signalling molecules are involved in the initiation and modulation of migraine attacks. These signalling molecules include pituitary adenylate cyclase-activating polypeptide (PACAP), a vasoactive peptide that is known to induce migraine attacks when administered by intravenous infusion to people with migraine. Discoveries linking PACAP to migraine pathogenesis have led to the development of drugs that target PACAP signalling, and a phase II trial has provided evidence that a monoclonal antibody against PACAP is effective for migraine prevention. In this Review, we explore the molecular and cellular mechanisms of PACAP signalling, shedding light on its role in the trigeminovascular system and migraine pathogenesis. We then discuss emerging therapeutic strategies that target PACAP signalling for the treatment of migraine and consider the research needed to translate the current knowledge into a treatment for migraine in the clinic.
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Affiliation(s)
- Håkan Ashina
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Translational Research Center, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
| | - Rune H Christensen
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Translational Research Center, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Debbie L Hay
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Amynah A Pradhan
- Center for Clinical Pharmacology, Department of Anaesthesiology, Washington University in St Louis, St Louis, MO, USA
| | - Jan Hoffmann
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Dora Reglodi
- Department of Anatomy, Centre for Neuroscience, University of Pécs Medical School, Pécs, Hungary
| | - Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Veterans Affairs Healthcare System, Iowa City, IA, USA
- Department of Neurology, University of Iowa, Veterans Affairs Healthcare System, Iowa City, IA, USA
| | - Messoud Ashina
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital-Rigshospitalet, Copenhagen, Denmark.
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Raggi A, Leonardi M, Arruda M, Caponnetto V, Castaldo M, Coppola G, Della Pietra A, Fan X, Garcia-Azorin D, Gazerani P, Grangeon L, Grazzi L, Hsiao FJ, Ihara K, Labastida-Ramirez A, Lange KS, Lisicki M, Marcassoli A, Montisano DA, Onan D, Onofri A, Pellesi L, Peres M, Petrušić I, Raffaelli B, Rubio-Beltran E, Straube A, Straube S, Takizawa T, Tana C, Tinelli M, Valeriani M, Vigneri S, Vuralli D, Waliszewska-Prosół M, Wang W, Wang Y, Wells-Gatnik W, Wijeratne T, Martelletti P. Hallmarks of primary headache: part 1 - migraine. J Headache Pain 2024; 25:189. [PMID: 39482575 PMCID: PMC11529271 DOI: 10.1186/s10194-024-01889-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2024] [Accepted: 10/15/2024] [Indexed: 11/03/2024] Open
Abstract
BACKGROUND AND AIM Migraine is a common disabling conditions which, globally, affects 15.2% of the population. It is the second cause of health loss in terms of years lived with disability, the first among women. Despite being so common, it is poorly recognised and too often undertreated. Specialty centres and neurologists with specific expertise on headache disorders have the knowledge to provide specific care: however, those who do not regularly treat patients with migraine will benefit from a synopsis on the most relevant and updated information about this condition. This paper presents a comprehensive view on the hallmarks of migraine, from genetics and diagnostic markers, up to treatments and societal impact, and reports the elements that identify migraine specific features. MAIN RESULTS The most relevant hallmark of migraine is that it has common and individual features together. Besides the known clinical manifestations, migraine presentation is heterogeneous with regard to frequency of attacks, presence of aura, response to therapy, associated comorbidities or other symptoms, which likely reflect migraine heterogeneous genetic and molecular basis. The amount of therapies for acute and for prophylactic treatment is really wide, and one of the difficulties is with finding the best treatment for the single patient. In addition to this, patients carry out different daily life activities, and might show lifestyle habits which are not entirely adequate to manage migraine day by day. Education will be more and more important as a strategy of brain health promotion, because this will enable reducing the amount of subjects needing specialty care, thus leaving it to those who require it in reason of refractory condition or presence of comorbidities. CONCLUSIONS Recognizing the hallmarks of migraine and the features of single patients enables prescribing specific pharmacological and non-pharmacological treatments. Medical research on headaches today particularly suffers from the syndrome of single-disease approach, but it is important to have a cross-sectional and joint vision with other close specialties, in order to treat our patients with a comprehensive approach that a heterogeneous condition like migraine requires.
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Affiliation(s)
- Alberto Raggi
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan, 20133, Italy.
| | - Matilde Leonardi
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan, 20133, Italy
| | - Marco Arruda
- Department of Neuroscience, Glia Institute, Ribeirão Preto, Brazil
| | - Valeria Caponnetto
- Department of Life, Health and Environmental Sciences, University of L'Aquila, L'Aquila, Italy
| | - Matteo Castaldo
- Department of Health Science and Technology, Faculty of Medicine, CNAP, Center for Sensory-Motor Interaction (SMI), Aalborg University, Gistrup, Denmark
- Department of Medicine and Surgery, Clinical Psychophysiology and Clinical Neuropsychology Labs, Parma University, Parma, Italy
| | - Gianluca Coppola
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino ICOT, Latina, Italy
| | - Adriana Della Pietra
- Dept. Molecular Physiology and Biophysics, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Xiangning Fan
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
| | - David Garcia-Azorin
- Department of Medicine, Toxicology and Dermatology, Faculty of Medicine, University of Valladolid, Valladolid, Spain
- Department of Neurology, Hospital Universitario Río Hortega, Valladolid, Spain
| | - Parisa Gazerani
- Department of Health Science and Technology, Faculty of Medicine, CNAP, Center for Sensory-Motor Interaction (SMI), Aalborg University, Gistrup, Denmark
- Department of Life Sciences and Health, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway
| | - Lou Grangeon
- Neurology Department, CHU de Rouen, Rouen, France
| | - Licia Grazzi
- Neuroalgology Unit and Headache Center, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Fu-Jung Hsiao
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Keiko Ihara
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
- Japanese Red Cross Ashikaga Hospital, Tochigi, Japan
| | - Alejandro Labastida-Ramirez
- Division of Neuroscience, Faculty of Biology, Medicine, and Health, University of Manchester, Manchester, UK
| | - Kristin Sophie Lange
- Department of Neurology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität Zu Berlin, Berlin, Germany
- Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität Zu Berlin, Berlin, Germany
| | - Marco Lisicki
- Instituto de Investigación Médica Mercedes y Martín Ferreyra (INIMEC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Alessia Marcassoli
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Via Celoria 11, Milan, 20133, Italy
| | - Danilo Antonio Montisano
- Neuroalgology Unit and Headache Center, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Dilara Onan
- Department of Physiotherapy and Rehabilitation, Faculty of Heath Sciences, Yozgat Bozok University, Yozgat, Turkey
| | - Agnese Onofri
- Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
| | - Lanfranco Pellesi
- Department of Public Health Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark
| | - Mario Peres
- Hospital Israelita Albert Einstein, São Paulo, Brazil
- Instituto de Psiquiatria; Hospital das Clínicas da Faculdade de Medicina da USP, Sao Paulo, Brazil
| | - Igor Petrušić
- Laboratory for Advanced Analysis of Neuroimages, Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
| | - Bianca Raffaelli
- Department of Neurology, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität Zu Berlin, Berlin, Germany
- Berlin Institute of Health, Charité - Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität Zu Berlin, Berlin, Germany
| | - Eloisa Rubio-Beltran
- Headache Group, Wolfson SPaRC, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Andreas Straube
- Department of Neurology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Sebastian Straube
- Department of Medicine, University of Alberta, Edmonton, AB, Canada
- School of Public Health, University of Alberta, Edmonton, AB, Canada
| | - Tsubasa Takizawa
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Claudio Tana
- Center of Excellence On Headache and Geriatrics Clinic, SS Annunziata Hospital of Chieti, Chieti, Italy
| | - Michela Tinelli
- Care Policy Evaluation Centre (CPEC), London School of Economics and Political Science, London, UK
| | - Massimiliano Valeriani
- Systems Medicine Department, University of Tor Vergata, Rome, Italy
- Developmental Neurology Unit, IRCSS Ospedale Pediatrico Bambino Gesù, Rome, Italy
| | - Simone Vigneri
- Neurology and Neurophysiology Service - Pain Medicine Unit, Santa Maria Maddalena Hospital, Occhiobello, Italy
| | - Doga Vuralli
- Department of Neurology and Algology, Neuropsychiatry Center, Neuroscience and Neurotechnology Center of Excellence (NÖROM), Gazi University Faculty of Medicine, Ankara, Türkiye
| | | | - Wei Wang
- Department of Neurology, Headache Center, School of Medicine, Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, China
- Department of Neurology, Headache Center, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yonggang Wang
- Beijing Tiantan Hospital Affiliated to Capital Medical University, Beijing, China
| | | | - Tissa Wijeratne
- Department of Neurology, Sunshine Hospital, St Albans, VIC, Australia
- Australian Institute of Migraine, Pascoe Vale South, VIC, Australia
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Torres J, Silva R, Farias G, Sousa Lobo JM, Ferreira DC, Silva AC. Enhancing Acute Migraine Treatment: Exploring Solid Lipid Nanoparticles and Nanostructured Lipid Carriers for the Nose-to-Brain Route. Pharmaceutics 2024; 16:1297. [PMID: 39458626 PMCID: PMC11510892 DOI: 10.3390/pharmaceutics16101297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2024] [Revised: 09/30/2024] [Accepted: 10/02/2024] [Indexed: 10/28/2024] Open
Abstract
Migraine has a high prevalence worldwide and is one of the main disabling neurological diseases in individuals under the age of 50. In general, treatment includes the use of oral analgesics or non-steroidal anti-inflammatory drugs (NSAIDs) for mild attacks, and, for moderate or severe attacks, triptans or 5-HT1B/1D receptor agonists. However, the administration of antimigraine drugs in conventional oral pharmaceutical dosage forms is a challenge, since many molecules have difficulty crossing the blood-brain barrier (BBB) to reach the brain, which leads to bioavailability problems. Efforts have been made to find alternative delivery systems and/or routes for antimigraine drugs. In vivo studies have shown that it is possible to administer drugs directly into the brain via the intranasal (IN) or the nose-to-brain route, thus avoiding the need for the molecules to cross the BBB. In this field, the use of lipid nanoparticles, in particular solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC), has shown promising results, since they have several advantages for drugs administered via the IN route, including increased absorption and reduced enzymatic degradation, improving bioavailability. Furthermore, SLN and NLC are capable of co-encapsulating drugs, promoting their simultaneous delivery to the site of therapeutic action, which can be a promising approach for the acute migraine treatment. This review highlights the potential of using SLN and NLC to improve the treatment of acute migraine via the nose-to-brain route. First sections describe the pathophysiology and the currently available pharmacological treatment for acute migraine, followed by an outline of the mechanisms underlying the nose-to-brain route. Afterwards, the main features of SLN and NLC and the most recent in vivo studies investigating the use of these nanoparticles for the treatment of acute migraine are presented.
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Affiliation(s)
- Joana Torres
- UCIBIO, Laboratory of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Renata Silva
- Associate Laboratory i4HB Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- UCIBIO, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | | | - José Manuel Sousa Lobo
- UCIBIO, Laboratory of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Domingos Carvalho Ferreira
- UCIBIO, Laboratory of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Ana Catarina Silva
- UCIBIO, Laboratory of Pharmaceutical Technology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- FP-BHS (Biomedical and Health Sciences Research Unit), FP-I3ID (Instituto de Investigação, Inovação e Desenvolvimento), Faculty of Health Sciences, University Fernando Pessoa, 4200-150 Porto, Portugal
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Chen Q, Wang M, Fu F, Nie L, Miao Q, Zhao L, Liu L, Li B. Mechanism of Traditional Chinese Medicine in Treating Migraine: A Comprehensive Review. J Pain Res 2024; 17:3031-3046. [PMID: 39308997 PMCID: PMC11416110 DOI: 10.2147/jpr.s479575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Accepted: 09/12/2024] [Indexed: 09/25/2024] Open
Abstract
Migraine is a common neurological illness that causes a great burden on individuals and society. Many migraine patients seek relief through complementary and alternative therapies, with Traditional Chinese medicine (TCM) often being their preferred choice. Acupuncture, Chinese herbal medicine, and massage are important components of TCM, and are commonly used in clinical treatment of migraine. This review aims to consolidate the current knowledge regarding the mechanisms of the three TCM interventions for migraine: acupuncture, herbs, and massage, and how they relieve pain. However, the mechanisms underlying the effectiveness of TCM therapies in treating migraine remain unclear. Therefore, we reviewed the research progress on acupuncture, herbal medicine, and massage as TCM approaches for the treatment of migraine. We conducted a comprehensive search of CNKI, PubMed, Web of Science, and Cochrane databases using keywords such as migraine, acupuncture, needle, herbs, herbal, prescription, decoction, massage, Tuina, and TCM, covering the period from 2000 to 2023. The literature included in the review was selected based on specified exclusion criteria. We discussed the mechanism of TCM therapies on migraine from the perspective of modern medicine, focusing on changes in inflammatory factors, neurotransmitters, and other relevant biomarkers. TCM can relieve migraine by decreasing neuropeptide levels, inhibiting inflammation, modulating neuronal sensitization, changing brain function and structure, changing blood brain barrier permeability, regulating hormone levels, and relieving muscle tension. The purpose of this paper is to provide a basis for improving the clinical strategies of TCM for the treatment of migraine.
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Affiliation(s)
- Qiuyi Chen
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Mina Wang
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Feiyu Fu
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Limin Nie
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Quan Miao
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Luopeng Zhao
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Lu Liu
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
| | - Bin Li
- Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Key Laboratory of Acupuncture Neuromodulation, Beijing, 100010, People’s Republic of China
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Tu KY, Jung CJ, Shih YH, Chang ALS. Therapeutic strategies focusing on immune dysregulation and neuroinflammation in rosacea. Front Immunol 2024; 15:1403798. [PMID: 39136023 PMCID: PMC11317294 DOI: 10.3389/fimmu.2024.1403798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Accepted: 07/09/2024] [Indexed: 08/15/2024] Open
Abstract
Rosacea is a complex inflammatory condition characterized by papulopustular lesions and erythema on the central face for which there is no cure. The development of rosacea is influenced by both external triggers and genetics, but the common pathophysiology is overactivation of the immune system. Here, we review the current data on proinflammatory cytokines and dysregulation of the neurovascular system as targetable components of rosacea. Amelioration of cutaneous and gastrointestinal dysbiosis and other external factors impacts the immune state and has been observed to improve rosacea. While multiple treatments exist, many patients do not achieve their goals for rosacea control and highlights an unmet need for dermatologic care. Current interventions encompass topical/oral drugs, light devices, and avoidance of triggers management. Additional understanding of the underlying pathogenesis may help us develop novel targeted therapeutic strategies to improve rosacea.
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Affiliation(s)
- Kuan-Yi Tu
- Division of General Medicine, Taipei Medical University Shuang Ho Hospital, New Taipei, Taiwan
| | - Chiau-Jing Jung
- Graduate Institute of Medical Sciences, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Microbiology and Immunology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Hsien Shih
- Department of Dermatology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Dermatology, Taipei Medical University Shuang Ho Hospital, New Taipei, Taiwan
| | - Anne Lynn S. Chang
- Department of Dermatology, Stanford University School of Medicine, Redwood City, CA, United States
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Karsan N, Edvinsson L, Vecsei L, Goadsby PJ. Pituitary cyclase-activating polypeptide targeted treatments for the treatment of primary headache disorders. Ann Clin Transl Neurol 2024; 11:1654-1668. [PMID: 38887982 PMCID: PMC11251486 DOI: 10.1002/acn3.52119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/20/2024] Open
Abstract
OBJECTIVE Migraine is a complex and disabling neurological disorder. Recent years have witnessed the development and emergence of novel treatments for the condition, namely those targeting calcitonin gene-related peptide (CGRP). However, there remains a substantial need for further treatments for those unresponsive to current therapies. Targeting pituitary adenylate cyclase-activating polypeptide (PACAP) as a possible therapeutic strategy in the primary headache disorders has gained interest over recent years. METHODS This review will summarize what we know about PACAP to date: its expression, receptors, roles in migraine and cluster headache biology, insights gained from preclinical and clinical models of migraine, and therapeutic scope. RESULTS PACAP shares homology with vasoactive intestinal polypeptide (VIP) and is one of several vasoactive neuropeptides along with CGRP and VIP, which has been implicated in migraine neurobiology. PACAP is widely expressed in areas of interest in migraine pathophysiology, such as the thalamus, trigeminal nucleus caudalis, and sphenopalatine ganglion. Preclinical evidence suggests a role for PACAP in trigeminovascular sensitization, while clinical evidence shows ictal release of PACAP in migraine and intravenous infusion of PACAP triggering attacks in susceptible individuals. PACAP leads to dural vasodilatation and secondary central phenomena via its binding to different G-protein-coupled receptors, and intracellular downstream effects through cyclic adenosine monophosphate (cAMP) and phosphokinase C (PKC). Targeting PACAP as a therapeutic strategy in headache has been explored using monoclonal antibodies developed against PACAP and against the PAC1 receptor, with initial positive results. INTERPRETATION Future clinical trials hold considerable promise for a new therapeutic approach using PACAP-targeted therapies in both migraine and cluster headache.
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Affiliation(s)
- Nazia Karsan
- Headache Group, The Wolfson Sensory, Pain and Regeneration Centre (SPaRC), NIHR King's Clinical Research Facility and SLaM Biomedical Research CentreInstitute of Psychiatry, Psychology and Neuroscience, King's College LondonLondonUK
| | - Lars Edvinsson
- Department of Medicine, Institute of Clinical SciencesLund University221 84LundSweden
| | - Laszlo Vecsei
- Department of Neurology, Albert Szent‐Györgyi Medical School, and HUN‐REN‐SZTE Neuroscience Research Group, Hungarian Research NetworkUniversity of SzegedSemmelweis u. 6SzegedH‐6725Hungary
| | - Peter J Goadsby
- Headache Group, The Wolfson Sensory, Pain and Regeneration Centre (SPaRC), NIHR King's Clinical Research Facility and SLaM Biomedical Research CentreInstitute of Psychiatry, Psychology and Neuroscience, King's College LondonLondonUK
- Department of NeurologyUniversity of CaliforniaLos AngelesCaliforniaUSA
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Karsan N, Goadsby PJ. Intervening in the Premonitory Phase to Prevent Migraine: Prospects for Pharmacotherapy. CNS Drugs 2024; 38:533-546. [PMID: 38822165 DOI: 10.1007/s40263-024-01091-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/15/2024] [Indexed: 06/02/2024]
Abstract
Migraine is a common brain condition characterised by disabling attacks of headache with sensory sensitivities. Despite increasing understanding of migraine neurobiology and the impacts of this on therapeutic developments, there remains a need for treatment options for patients underserved by currently available therapies. The first specific drugs developed to treat migraine acutely, the serotonin-5-hydroxytryptamine [5-HT1B/1D] receptor agonists (triptans), seem to require headache onset in order to have an effect, while early treatment during mild pain before headache escalation improves short-term and long-term outcomes. Some patients find treating in the early window once headache has started but not escalated difficult, and migraine can arise from sleep or in the early hours of the morning, making prompt treatment after pain onset challenging. Triptans may be deemed unsuitable for use in patients with vascular disease and in those of older age and may not be effective in a proportion of patients. Headache is also increasingly recognised as being just one of the many facets of the migraine attack, and for some patients it is not the most disabling symptom. In many patients, painless symptoms can start prior to headache onset and can reliably warn of impending headache. There is, therefore, a need to identify therapeutic targets and agents that may be used as early as possible in the course of the attack, to prevent headache onset before it starts, and to reduce both headache and non-headache related attack burden. Early small studies using domperidone, naratriptan and dihydroergotamine have suggested that this approach could be useful; these studies were methodologically less rigorous than modern day treatment studies, of small sample size, and have not since been replicated. The emergence of novel targeted migraine treatments more recently, specifically calcitonin gene-related peptide (CGRP) receptor antagonists (gepants), has reignited interest in this strategy, with encouraging results. This review summarises historical and emerging data in this area, supporting use of the premonitory phase as an opportunity to intervene as early as possible in migraine to prevent attack-related morbidity.
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Affiliation(s)
- Nazia Karsan
- Headache Group, Wolfson SPaRC, Institute of Psychiatry, Psychology and Neuroscience, Wellcome Foundation Building, King's College London, Denmark Hill, London, SE5 9PJ, UK
- NIHR King's Clinical Research Facility and SLaM Biomedical Research Centre, King's College Hospital, London, UK
| | - Peter J Goadsby
- Headache Group, Wolfson SPaRC, Institute of Psychiatry, Psychology and Neuroscience, Wellcome Foundation Building, King's College London, Denmark Hill, London, SE5 9PJ, UK.
- NIHR King's Clinical Research Facility and SLaM Biomedical Research Centre, King's College Hospital, London, UK.
- Department of Neurology, University of California, Los Angeles, Los Angeles, CA, USA.
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Ha WS, Chu MK. Altered immunity in migraine: a comprehensive scoping review. J Headache Pain 2024; 25:95. [PMID: 38844851 PMCID: PMC11157828 DOI: 10.1186/s10194-024-01800-8] [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: 01/30/2024] [Accepted: 05/30/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND The pathogenesis of migraine remains unclear; however, a large body of evidence supports the hypothesis that immunological mechanisms play a key role. Therefore, we aimed to review current studies on altered immunity in individuals with migraine during and outside attacks. METHODS We searched the PubMed database to investigate immunological changes in patients with migraine. We then added other relevant articles on altered immunity in migraine to our search. RESULTS Database screening identified 1,102 articles, of which 41 were selected. We added another 104 relevant articles. We found studies reporting elevated interictal levels of some proinflammatory cytokines, including IL-6 and TNF-α. Anti-inflammatory cytokines showed various findings, such as increased TGF-β and decreased IL-10. Other changes in humoral immunity included increased levels of chemokines, adhesion molecules, and matrix metalloproteinases; activation of the complement system; and increased IgM and IgA. Changes in cellular immunity included an increase in T helper cells, decreased cytotoxic T cells, decreased regulatory T cells, and an increase in a subset of natural killer cells. A significant comorbidity of autoimmune and allergic diseases with migraine was observed. CONCLUSIONS Our review summarizes the findings regarding altered humoral and cellular immunological findings in human migraine. We highlight the possible involvement of immunological mechanisms in the pathogenesis of migraine. However, further studies are needed to expand our knowledge of the exact role of immunological mechanisms in migraine pathogenesis.
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Affiliation(s)
- Woo-Seok Ha
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Min Kyung Chu
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1, Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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Karsan N. Pathophysiology of Migraine. Continuum (Minneap Minn) 2024; 30:325-343. [PMID: 38568486 DOI: 10.1212/con.0000000000001412] [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: 04/05/2024]
Abstract
OBJECTIVE This article provides an overview of the current understanding of migraine pathophysiology through insights gained from the extended symptom spectrum of migraine, neuroanatomy, migraine neurochemistry, and therapeutics. LATEST DEVELOPMENTS Recent advances in human migraine research, including human experimental migraine models and functional neuroimaging, have provided novel insights into migraine attack initiation, neurochemistry, neuroanatomy, and therapeutic substrates. It has become clear that migraine is a neural disorder, in which a wide range of brain areas and neurochemical systems are implicated, producing a heterogeneous clinical phenotype. Many of these neural pathways are monoaminergic and peptidergic, such as those involving calcitonin gene-related peptide and pituitary adenylate cyclase-activating polypeptide. We are currently witnessing an exciting era in which specific drugs targeting these pathways have shown promise in treating migraine, including some studies suggesting efficacy before headache has even started. ESSENTIAL POINTS Migraine is a brain disorder involving both headache and altered sensory, limbic, and homeostatic processing. A complex interplay between neurotransmitter systems, physiologic systems, and pain processing likely occurs. Targeting various therapeutic substrates within these networks provides an exciting avenue for future migraine therapeutics.
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Park S, Jung H, Han SW, Lee SH, Sohn JH. Differences in Neuropathology between Nitroglycerin-Induced Mouse Models of Episodic and Chronic Migraine. Int J Mol Sci 2024; 25:3706. [PMID: 38612517 PMCID: PMC11011425 DOI: 10.3390/ijms25073706] [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: 02/16/2024] [Revised: 03/17/2024] [Accepted: 03/25/2024] [Indexed: 04/14/2024] Open
Abstract
Multiple animal models of migraine have been used to develop new therapies. Understanding the transition from episodic (EM) to chronic migraine (CM) is crucial. We established models mimicking EM and CM pain and assessed neuropathological differences. EM and CM models were induced with single NTG or multiple injections over 9 days. Mechanical hypersensitivity was assessed. Immunofluorescence utilized c-Fos, NeuN, and Iba1. Proinflammatory and anti-inflammatory markers were analyzed. Neuropeptides (CGRP, VIP, PACAP, and substance P) were assessed. Mechanical thresholds were similar. Notable neuropathological distinctions were observed in Sp5C and ACC. ACC showed increased c-Fos and NeuN expression in CM (p < 0.001) and unchanged in EM. Sp5C had higher c-Fos and NeuN expression in EM (p < 0.001). Iba1 was upregulated in Sp5C of EM and ACC of CM (p < 0.001). Proinflammatory markers were strongly expressed in Sp5C of EM and ACC of CM. CGRP expression was elevated in both regions and was higher in CM. VIP exhibited higher levels in the Sp5C of EM and ACC of CM, whereas PACAP and substance P were expressed in the Sp5C in both models. Despite similar thresholds, distinctive neuropathological differences in Sp5C and ACC between EM and CM models suggest a role in the EM to CM transformation.
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Affiliation(s)
- Songyi Park
- Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea; (S.P.); (H.J.); (S.-W.H.); (S.-H.L.)
| | - Harry Jung
- Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea; (S.P.); (H.J.); (S.-W.H.); (S.-H.L.)
| | - Sang-Won Han
- Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea; (S.P.); (H.J.); (S.-W.H.); (S.-H.L.)
- Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon 24252, Republic of Korea
| | - Sang-Hwa Lee
- Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea; (S.P.); (H.J.); (S.-W.H.); (S.-H.L.)
- Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon 24252, Republic of Korea
| | - Jong-Hee Sohn
- Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea; (S.P.); (H.J.); (S.-W.H.); (S.-H.L.)
- Department of Neurology, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon 24252, Republic of Korea
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Pellesi L, Ashina M, Martelletti P. Targeting the PACAP-38 pathway is an emerging therapeutic strategy for migraine prevention. Expert Opin Emerg Drugs 2024; 29:57-64. [PMID: 38337150 DOI: 10.1080/14728214.2024.2317778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 02/08/2024] [Indexed: 02/12/2024]
Abstract
INTRODUCTION The pituitary adenylate cyclase-activating polypeptide-38 (PACAP-38) has emerged as a key mediator of migraine pathogenesis. PACAP-38 and its receptors are predominantly distributed in arteries, sensory and parasympathetic neurons of the trigeminovascular system. Phase 2 trials have tested human monoclonal antibodies designed to bind and inhibit PACAP-38 and the pituitary adenylate cyclase-activating polypeptide type I (PAC1) receptor for migraine prevention. AREAS COVERED This review focuses on the significance of the PACAP-38 pathway as a target in migraine prevention. English peer-reviewed articles were searched in PubMed, Scopus and ClinicalTrials.gov electronic databases. EXPERT OPINION A PAC1 receptor monoclonal antibody was not effective for preventing migraine in a proof-of-concept trial, paving the way for alternative strategies to be considered. Lu AG09222 is a humanized monoclonal antibody targeting PACAP-38 that was effective in preventing physiological responses of PACAP38 and reducing monthly migraine days in individuals with migraine. Further studies are necessary to elucidate the clinical utility, long-term safety and cost-effectiveness of therapies targeting the PACAP pathway.
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Affiliation(s)
- Lanfranco Pellesi
- Clinical Pharmacology, Pharmacy and Environmental Medicine, Department of Public Health, University of Southern Denmark, Odense, Denmark
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Paolo Martelletti
- School of Health Sciences, Unitelma Sapienza University of Rome, Rome, Italy
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12
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Akerman S, Goadsby PJ, Romero-Reyes M. PACAP-38 related modulation of the cranial parasympathetic projection: A novel mechanism and therapeutic target in severe primary headache. Br J Pharmacol 2024; 181:480-494. [PMID: 37706270 DOI: 10.1111/bph.16242] [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: 05/16/2023] [Revised: 09/04/2023] [Accepted: 09/06/2023] [Indexed: 09/15/2023] Open
Abstract
BACKGROUND AND PURPOSE Little is known of how cranial autonomic symptoms (CAS) in cluster headache and migraine may contribute to their severe headache phenotype. This strong association suggests the involvement of the cranial parasympathetic efferent pathway. To investigate its contribution, we studied the role of pituitary adenylate cyclase activating polypeptide-38 (PACAP-38), a potent sensory and parasympathetic neuropeptide, in modulating pre- and post-ganglionic cranial parasympathetic projection neurons, and their influence on headache-related trigeminal-autonomic responses. EXPERIMENTAL APPROACH Using PACAP-38 and PACAP-38 responsive receptor antagonists, electrophysiological, behavioural and facial neurovascular-blood flow was measured in rats to probe trigeminal- and parasympathetic-neuronal, periorbital thresholds and cranial-autonomic outcomes, as they relate to primary headaches. KEY RESULTS Sumatriptan attenuated the development of PACAP-38 mediated activation and sensitization of trigeminocervical neurons and related periorbital allodynia. PACAP-38 also caused activation and enhanced responses of dural-responsive pre-ganglionic pontine-superior salivatory parasympathetic neurons. Further, the PACAP-38 responsive receptor antagonists dissected a role of VPAC1 and PAC1 receptors in attenuating cranial-autonomic and trigeminal-neuronal responses to activation of the cranial parasympathetic projection, which requires post-ganglionic parasympathetic neurotransmission. CONCLUSION AND IMPLICATIONS Given the prevailing view that sumatriptan acts to some degree via a peripheral mechanism, our data support that PACAP-38 mediated receptor activation modulates headache-related cranial-autonomic and trigeminovascular responses via peripheral and central components of the cranial parasympathetic projection. This provides a mechanistic rationale for the association of CAS with more severe headache phenotypes in cluster headache and migraine, and supports the cranial parasympathetic projection as a potential novel locus for treatment by selectively targeting PACAP-38 or PACAP-38 responsive VPAC1 /PAC1 receptors.
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Affiliation(s)
- Simon Akerman
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, Maryland, USA
| | - Peter J Goadsby
- Headache Group, Wolfson Sensory, Pain and Regeneration Research Centre (SPaRRC), Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, UK
- Department of Neurology, University of California Los Angeles, Los Angeles, California, USA
| | - Marcela Romero-Reyes
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, Maryland, USA
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Coppola G, Abagnale C, Sebastianelli G, Goadsby PJ. Pathophysiology of cluster headache: From the trigeminovascular system to the cerebral networks. Cephalalgia 2024; 44:3331024231209317. [PMID: 38415635 DOI: 10.1177/03331024231209317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
BACKGROUND Despite advances in neuroimaging and electrophysiology, cluster headache's pathogenesis remains unclear. This review will examine clinical neurophysiology studies, including electrophysiological and functional neuroimaging, to determine if they might help us construct a neurophysiological model of cluster headache. RESULTS Clinical, biochemical, and electrophysiological research have implicated the trigeminal-parasympathetic system in cluster headache pain generation, although the order in which these two systems are activated, which may be somewhat independent, is unknown. Electrophysiology and neuroimaging have found one or more central factors that may cause seasonal and circadian attacks. The well-known posterior hypothalamus, with its primary circadian pacemaker suprachiasmatic nucleus, the brainstem monoaminergic systems, the midbrain, with an emphasis on the dopaminergic system, especially when cluster headache is chronic, and the descending pain control systems appear to be involved. Functional connection investigations have verified electrophysiological evidence of functional changes in distant brain regions connecting to wide cerebral networks other than pain. CONCLUSION We propose that under the impact of external time, an inherited misalignment between the primary circadian pacemaker suprachiasmatic nucleus and other secondary extra- suprachiasmatic nucleus clocks may promote disturbance of the body's internal physiological clock, lowering the threshold for bout recurrence.
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Affiliation(s)
- Gianluca Coppola
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino ICOT, Latina, Italy
| | - Chiara Abagnale
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino ICOT, Latina, Italy
| | - Gabriele Sebastianelli
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino ICOT, Latina, Italy
| | - Peter J Goadsby
- NIHR King's Clinical Research Facility, and Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London UK
- Department of Neurology, University of California, Los Angeles, Los Angeles, California, USA
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Viudez-Martínez A, Torregrosa AB, Navarrete F, García-Gutiérrez MS. Understanding the Biological Relationship between Migraine and Depression. Biomolecules 2024; 14:163. [PMID: 38397400 PMCID: PMC10886628 DOI: 10.3390/biom14020163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/08/2024] [Accepted: 01/09/2024] [Indexed: 02/25/2024] Open
Abstract
Migraine is a highly prevalent neurological disorder. Among the risk factors identified, psychiatric comorbidities, such as depression, seem to play an important role in its onset and clinical course. Patients with migraine are 2.5 times more likely to develop a depressive disorder; this risk becomes even higher in patients suffering from chronic migraine or migraine with aura. This relationship is bidirectional, since depression also predicts an earlier/worse onset of migraine, increasing the risk of migraine chronicity and, consequently, requiring a higher healthcare expenditure compared to migraine alone. All these data suggest that migraine and depression may share overlapping biological mechanisms. Herein, this review explores this topic in further detail: firstly, by introducing the common epidemiological and risk factors for this comorbidity; secondly, by focusing on providing the cumulative evidence of common biological aspects, with a particular emphasis on the serotoninergic system, neuropeptides such as calcitonin-gene-related peptide (CGRP), pituitary adenylate cyclase-activating polypeptide (PACAP), substance P, neuropeptide Y and orexins, sexual hormones, and the immune system; lastly, by remarking on the future challenges required to elucidate the etiopathological mechanisms of migraine and depression and providing updated information regarding new key targets for the pharmacological treatment of these clinical entities.
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Affiliation(s)
- Adrián Viudez-Martínez
- Hospital Pharmacy Service, Hospital General Dr. Balmis de Alicante, 03010 Alicante, Spain;
| | - Abraham B. Torregrosa
- Instituto de Neurociencias, Universidad Miguel Hernández, 03550 San Juan de Alicante, Spain; (A.B.T.); (F.N.)
- Research Network on Primary Addictions, Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - Francisco Navarrete
- Instituto de Neurociencias, Universidad Miguel Hernández, 03550 San Juan de Alicante, Spain; (A.B.T.); (F.N.)
- Research Network on Primary Addictions, Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
| | - María Salud García-Gutiérrez
- Instituto de Neurociencias, Universidad Miguel Hernández, 03550 San Juan de Alicante, Spain; (A.B.T.); (F.N.)
- Research Network on Primary Addictions, Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Spain
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Zhang Y, Huang W, Pan S, Shan Z, Zhou Y, Gan Q, Xiao Z. New management strategies for primary headache disorders: Insights from P4 medicine. Heliyon 2023; 9:e22285. [PMID: 38053857 PMCID: PMC10694333 DOI: 10.1016/j.heliyon.2023.e22285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 09/21/2023] [Accepted: 11/08/2023] [Indexed: 12/07/2023] Open
Abstract
Primary headache disorder is the main cause of headache attacks, leading to significant disability and impaired quality of life. This disorder is increasingly recognized as a heterogeneous condition with a complex network of genetic, environmental, and lifestyle factors. However, the timely diagnosis and effective treatment of these headaches remain challenging. Precision medicine is a potential strategy based on P4 (predictive, preventive, personalized, and participatory) medicine that may bring new insights for headache care. Recent machine learning advances and widely available molecular biology and imaging data have increased the usefulness of this medical strategy. Precision medicine emphasizes classifying headaches according to their risk factors, clinical presentation, and therapy responsiveness to provide individualized headache management. Furthermore, early preventive strategies, mainly utilizing predictive tools, are critical in reducing headache attacks and improving the quality of life of individuals with headaches. The current review comprehensively discusses the potential application value of P4 medicine in headache management.
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Affiliation(s)
| | | | - Songqing Pan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Zhengming Shan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Yanjie Zhou
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Quan Gan
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
| | - Zheman Xiao
- Department of Neurology, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
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16
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Cho S, Chu MK. Serological Biomarkers of Chronic Migraine. Curr Pain Headache Rep 2023; 27:531-542. [PMID: 37561314 DOI: 10.1007/s11916-023-01154-x] [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] [Accepted: 07/07/2023] [Indexed: 08/11/2023]
Abstract
PURPOSE OF REVIEW Chronic migraine (CM) is a chronic form of migraine that differs from episodic migraine (EM) in terms of prevalence, comorbidities, response to treatment, and biomarkers. The aim of this review was to summarize the recent findings on serological biomarkers of CM. RECENT FINDINGS Neuronal, inflammatory, and vascular markers have been investigated to assess their diagnostic and prognostic ability and treatment effectiveness. Several markers showed significant alterations according to disease status and treatment response in CM. Calcitonin gene-related peptide (CGRP), glutamate, and adiponectin appear to be the most promising blood biomarkers for CM. Most studies have shown altered ictal and interictal levels of these markers in CM compared with those in EM and controls. Additionally, they showed a significant association with treatment outcomes. Total adiponectin and high-molecular-weight adiponectin levels were less studied as biomarkers of CM than CGRP and glutamate levels but showed promising results. The development of suitable biomarkers could revolutionize the diagnosis and treatment of CM and ultimately decrease the disability and societal costs of the disease.
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Affiliation(s)
- Soomi Cho
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Min Kyung Chu
- Department of Neurology, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea.
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Karsan N, Goadsby PJ. Neuroimaging in the pre-ictal or premonitory phase of migraine: a narrative review. J Headache Pain 2023; 24:106. [PMID: 37563570 PMCID: PMC10416375 DOI: 10.1186/s10194-023-01617-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 06/20/2023] [Indexed: 08/12/2023] Open
Abstract
BACKGROUND The premonitory phase, or prodrome, of migraine, provides valuable opportunities to study attack initiation and for treating the attack before headache starts. Much that has been learned about this phase in recent times has come from the outcomes of functional imaging studies. This review will summarise these studies to date and use their results to provide some feasible insights into migraine neurobiology. MAIN BODY The ability to scan repeatedly a patient without radiation and with non-invasive imaging modalities, as well as the recognition that human experimental migraine provocation compounds, such as nitroglycerin (NTG) and pituitary adenylate cyclase activating polypeptide (PACAP), can trigger typical premonitory symptoms (PS) and migraine-like headache in patients with migraine, have allowed feasible and reproducible imaging of the premonitory phase using NTG. Some studies have used serial scanning of patients with migraine to image the migraine cycle, including the 'pre-ictal' phase, defined by timing to headache onset rather than symptom phenotype. Direct observation and functional neuroimaging of triggered PS have also revealed compatible neural substrates for PS in the absence of headache. Various imaging methods including resting state functional MRI (rsfMRI), arterial spin labelling (ASL), positron emission tomography (PET) and diffusion tensor imaging (DTI) have been used. The results of imaging the spontaneous and triggered premonitory phase have been largely consistent and support a theory of central migraine attack initiation involving brain areas such as the hypothalamus, midbrain and limbic system. Early dysfunctional pain, sensory, limbic and homeostatic processing via monoaminergic and peptidergic neurotransmission likely manifests in the heterogeneous PS phenotype. CONCLUSION Advances in human migraine research, including the use of functional imaging techniques lacking radiation or radio-isotope exposure, have led to an exciting opportunity to study the premonitory phase using repeated measures imaging designs. These studies have provided novel insights into attack initiation, migraine neurochemistry and therapeutic targets. Emerging migraine-specific therapies, such as those targeting calcitonin gene-related peptide (CGRP), are showing promise acutely when taken during premonitory phase to reduce symptoms and prevent subsequent headache. Therapeutic research in this area using PS for headache onset prediction and early treatment is likely to grow in the future.
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Affiliation(s)
- Nazia Karsan
- Headache Group, NIHR King's Clinical Research Facility and SLaM Biomedical Research Centre, The Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, SE5 9PJ, UK.
| | - Peter J Goadsby
- Headache Group, NIHR King's Clinical Research Facility and SLaM Biomedical Research Centre, The Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, SE5 9PJ, UK
- Department of Neurology, University of California, Los Angeles, USA
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18
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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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Karsan N, Gosalia H, Goadsby PJ. Molecular Mechanisms of Migraine: Nitric Oxide Synthase and Neuropeptides. Int J Mol Sci 2023; 24:11993. [PMID: 37569369 PMCID: PMC10418996 DOI: 10.3390/ijms241511993] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/12/2023] [Accepted: 07/17/2023] [Indexed: 08/13/2023] Open
Abstract
Migraine is a common condition with disabling attacks that burdens people in the prime of their working lives. Despite years of research into migraine pathophysiology and therapeutics, much remains to be learned about the mechanisms at play in this complex neurovascular condition. Additionally, there remains a relative paucity of specific and targeted therapies available. Many sufferers remain underserved by currently available broad action preventive strategies, which are also complicated by poor tolerance and adverse effects. The development of preclinical migraine models in the laboratory, and the advances in human experimental migraine provocation, have led to the identification of key molecules likely involved in the molecular circuity of migraine, and have provided novel therapeutic targets. Importantly, the identification that vasoconstriction is neither necessary nor required for headache abortion has changed the landscape of migraine treatment and has broadened the therapy targets for patients with vascular risk factors or vascular disease. These targets include nitric oxide synthase (NOS) and several neuropeptides that are involved in migraine. The ability of NO donors and infusion of some of these peptides into humans to trigger typical migraine-like attacks has supported the development of targeted therapies against these molecules. Some of these, such as those targeting calcitonin gene-related peptide (CGRP), have already reached clinical practice and are displaying a positive outcome in migraineurs for the better by offering targeted efficacy without significant adverse effects. Others, such as those targeting pituitary adenylate cyclase activating polypeptide (PACAP), are showing promise and are likely to enter phase 3 clinical trials in the near future. Understanding these nitrergic and peptidergic mechanisms in migraine and their interactions is likely to lead to further therapeutic strategies for migraine in the future.
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Affiliation(s)
- Nazia Karsan
- Headache Group, NIHR King’s Clinical Research Facility and SLaM Biomedical Research Centre, The Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9PJ, UK; (N.K.); (H.G.)
| | - Helin Gosalia
- Headache Group, NIHR King’s Clinical Research Facility and SLaM Biomedical Research Centre, The Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9PJ, UK; (N.K.); (H.G.)
| | - Peter J. Goadsby
- Headache Group, NIHR King’s Clinical Research Facility and SLaM Biomedical Research Centre, The Wolfson Sensory, Pain and Regeneration Research Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE5 9PJ, UK; (N.K.); (H.G.)
- Department of Neurology, University of California, Los Angeles, CA 90095, USA
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20
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Puledda F, Silva EM, Suwanlaong K, Goadsby PJ. Migraine: from pathophysiology to treatment. J Neurol 2023:10.1007/s00415-023-11706-1. [PMID: 37029836 DOI: 10.1007/s00415-023-11706-1] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023]
Abstract
Migraine is an extremely disabling, common neurological disorder characterized by a complex neurobiology, involving a series of central and peripheral nervous system areas and networks. A growing increase in the understanding of migraine pathophysiology in recent years has facilitated translation of that knowledge into novel treatments, which are currently becoming available to patients in many parts of the world and are substantially changing the clinical approach to the disease. In the first part of this review, we will provide an up to date overview of migraine pathophysiology by analyzing the anatomy and function of the main regions involved in the disease, focusing on how these give rise to the plethora of symptoms characterizing the attacks and overall disease. The second part of the paper will discuss the novel therapeutic agents that have emerged for the treatment of migraine, including molecules targeting calcitonin gene-related peptide (gepants and monoclonal antibodies), serotonin 5-HT1F receptor agonists (ditans) and non-invasive neuromodulation, as well as providing a brief overview of new evidence for classic migraine treatments.
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Affiliation(s)
- Francesca Puledda
- Headache Group, Wolfson CARD, Institute of Psychiatry, Psychology and Neuroscience, King's College London, and National Institute for Health Research (NIHR) SLaM Clinical Research Facility at King's, Wellcome Foundation Building, King's College Hospital, London, SE5 9PJ, UK
| | | | - Kanokrat Suwanlaong
- Division of Neurology, Department of Medicine, Songkhla Medical Education Center, Songkhla, Thailand
| | - Peter J Goadsby
- Headache Group, Wolfson CARD, Institute of Psychiatry, Psychology and Neuroscience, King's College London, and National Institute for Health Research (NIHR) SLaM Clinical Research Facility at King's, Wellcome Foundation Building, King's College Hospital, London, SE5 9PJ, UK.
- Department of Neurology, University of California, Los Angeles, Los Angeles, CA, USA.
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21
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Kuburas A, Russo AF. Shared and independent roles of CGRP and PACAP in migraine pathophysiology. J Headache Pain 2023; 24:34. [PMID: 37009867 PMCID: PMC10069045 DOI: 10.1186/s10194-023-01569-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/23/2023] [Indexed: 04/04/2023] Open
Abstract
The neuropeptides calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase-activating polypeptide (PACAP) have emerged as mediators of migraine pathogenesis. Both are vasodilatory peptides that can cause migraine-like attacks when infused into people and migraine-like symptoms when injected into rodents. In this narrative review, we compare the similarities and differences between the peptides in both their clinical and preclinical migraine actions. A notable clinical difference is that PACAP, but not CGRP, causes premonitory-like symptoms in patients. Both peptides are found in distinct, but overlapping areas relevant to migraine, most notably with the prevalence of CGRP in trigeminal ganglia and PACAP in sphenopalatine ganglia. In rodents, the two peptides share activities, including vasodilation, neurogenic inflammation, and nociception. Most strikingly, CGRP and PACAP cause similar migraine-like symptoms in rodents that are manifested as light aversion and tactile allodynia. Yet, the peptides appear to act by independent mechanisms possibly by distinct intracellular signaling pathways. The complexity of these signaling pathways is magnified by the existence of multiple CGRP and PACAP receptors that may contribute to migraine pathogenesis. Based on these differences, we suggest PACAP and its receptors provide a rich set of targets to complement and augment the current CGRP-based migraine therapeutics.
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Affiliation(s)
- Adisa Kuburas
- Department of Molecular Physiology and Biophysics and Department of Neurology, University of Iowa, Iowa City, IA, 52242, USA
| | - Andrew F Russo
- Department of Molecular Physiology and Biophysics and Department of Neurology, University of Iowa, Iowa City, IA, 52242, USA.
- Veterans Affairs Medical Center, Iowa City, IA, 52246, USA.
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Demartini C, Francavilla M, Zanaboni AM, Facchetti S, De Icco R, Martinelli D, Allena M, Greco R, Tassorelli C. Biomarkers of Migraine: An Integrated Evaluation of Preclinical and Clinical Findings. Int J Mol Sci 2023; 24:ijms24065334. [PMID: 36982428 PMCID: PMC10049673 DOI: 10.3390/ijms24065334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023] Open
Abstract
In recent years, numerous efforts have been made to identify reliable biomarkers useful in migraine diagnosis and progression or associated with the response to a specific treatment. The purpose of this review is to summarize the alleged diagnostic and therapeutic migraine biomarkers found in biofluids and to discuss their role in the pathogenesis of the disease. We included the most informative data from clinical or preclinical studies, with a particular emphasis on calcitonin gene-related peptide (CGRP), cytokines, endocannabinoids, and other biomolecules, the majority of which are related to the inflammatory aspects and mechanisms of migraine, as well as other actors that play a role in the disease. The potential issues affecting biomarker analysis are also discussed, such as how to deal with bias and confounding data. CGRP and other biological factors associated with the trigeminovascular system may offer intriguing and novel precision medicine opportunities, although the biological stability of the samples used, as well as the effects of the confounding role of age, gender, diet, and metabolic factors should be considered.
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Affiliation(s)
- Chiara Demartini
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Miriam Francavilla
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Anna Maria Zanaboni
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Sara Facchetti
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
| | - Roberto De Icco
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Daniele Martinelli
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Marta Allena
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
| | - Rosaria Greco
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
- Correspondence: ; Tel.: +39-(0382)-380255
| | - Cristina Tassorelli
- Department of Brain and Behavioral Sciences, University of Pavia, Via Bassi 21, 27100 Pavia, Italy
- Unit of Translational Neurovascular Research, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy
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Motwani DN, Vignesh A, Raja K, Selvakumar S, Vasanth K. Exploration of phytochemicals and probing potential effects of Priva cordifolia active extract on PACAP 38 and its nociceptor in the human trigeminovascular system. 3 Biotech 2023; 13:39. [PMID: 36636579 PMCID: PMC9829943 DOI: 10.1007/s13205-023-03462-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 12/31/2022] [Indexed: 01/11/2023] Open
Abstract
Several tribal medicinal systems assert anti-migraine and common headache-remedying properties in all parts of Priva cordifolia (L.f.) Druce. Therefore, there are no clear scientific references to the validated traditional use of this plant. The present study provides a scientific basis for the ethnobotanical utility of P. cordifolia whose whole-plant extracts were evaluated against target proteins (PACAP 38 and PAC1-R) that cause migraine. Understanding the polarity-based distribution and oxidative stress scavenging ability was reported higher in ethyl acetate extracts due to the moderate distribution of secondary metabolites. Based on the preliminary analysis anti-migraine activity in the wet and dry lab experiments was compared with a commercial drug Sumatriptan. The GC-MS analysis revealed that two lead volatile compounds Bicyclo(3.2.1)oct-3-en-2-one,3,8-Dihydroxy-1-methoxy-7-(7-methoxy-1,3- and -Hexyl-2-nitrocyclohexane, present in the ethyl acetate extract showed favourable in silico anti-migraine efficiency. Notably, the ex-vivo results also showed considerable downregulation of the extract-induced mRNA expression of PACAP38. The conclusion of our study justifies that P. cordifolia has valuable plant metabolites that portray it as an efficient anti-oxidant and anti-migraine source. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03462-w.
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Affiliation(s)
- Dipshika. N Motwani
- Department of Botany, Bharathiar University, Tamil Nadu, Coimbatore, 641 046 India
| | - Arumugam Vignesh
- Department of Botany, Bharathiar University, Tamil Nadu, Coimbatore, 641 046 India
| | - Kannan Raja
- Department of Botany, Bharathiar University, Tamil Nadu, Coimbatore, 641 046 India
| | - Subramaniam Selvakumar
- Department of Biochemistry, Bharathiar University, Tamil Nadu, Coimbatore, 641 046 India
| | - Krishnan Vasanth
- Department of Botany, Bharathiar University, Tamil Nadu, Coimbatore, 641 046 India
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Wu H, Dong Z, Liu Y, Zhang Q, Zhang M, Hu G, Yu S, Han X. Temporal alterations of pituitary adenylate cyclase activating polypeptide and its receptors in a rat model induced by recurrent chemical stimulations: Relevant to chronic migraine. Mol Pain 2023; 19:17448069231152129. [PMID: 36604785 PMCID: PMC9869212 DOI: 10.1177/17448069231152129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Background: Migraine is a common type of primary headache with disabling brain dysfunction. It has been found that pituitary adenylate cyclase activating polypeptide (PACAP) is involved in the pathogenesis of migraine, however, the role of PACAP and its receptors in chronic migraine remains unclear. Therefore, the present study aimed to explore the changes of PACAP and its receptors in different duration after recurrent dural inflammation soup stimulations and to investigate the co-expression between PACAP and calcitonin gene-related peptide (CGRP). Methods: Adult male rats were implanted with cannula surrounding superior sagittal sinus, which was followed by dural infusion of inflammatory soup (IS) or normal saline (NS). The rats were randomly divided into 4 groups (n = 8 for each group): IS stimulation for seven days (IS-7 group), IS stimulation for 14 days (IS-14 group), IS stimulation for 21 days (IS-21 group), and NS control for 21 days (CON group). The facial mechanical withdrawal threshold was daily measured during the whole experiment. The behavioral changes (ipsilateral and bilateral face grooming behavior) in a plastic cage of rats were observed and recorded. The expression of PACAP, its receptors (PAC1, VPAC1, VPAC2), and CGRP in the trigeminal ganglia (TG) and the trigeminal nucleus caudalis (TNC) was examined by immunohistochemistry. Immunofluorescence was used to explore the co-expression of PACAP, PAC1 receptor, and CGRP after repeated IS administration in the TG. Results: The ipsilateral facial grooming time of IS-21 group displayed an apparent increase than CON group after repeated stimulation on day 2, while significant differences were observed on day 14. No differences were found between the IS-21 and CON group in bilateral facial grooming. Dural IS stimulation induced a significantly decrease in facial mechanical withdrawal thresholds. PACAP positive cells in the regions of TNC were gradually decreased with the IS days increasing. PACAP and PAC1 receptor expression in the TG had a trend of increasing first and then decreasing. There was no significant difference in expression of VPAC1 and VPAC2 in the TG and the TNC. Immunofluorescence showed that PACAP was mainly expressed in TG neurons. PACAP and PAC1 receptor co-expression decreased gradually after repetitive IS stimulation. While the co-expression between PACAP and CGRP reached the peak in IS-7 group after repetitive IS stimulation, and then decreased. Conclusions: This study demonstrated that repetitive chemical stimulations induced a gradual decrease of PACAP in the TNC, while the PACAP and PAC1 receptor expression in TG showed dynamical changes of increasing first and then decreasing after repeated IS administration. These results suggested exhaustion of PACAP could be involved in the duration of chronic migraine and implied PACAP may contribute to the pathology of migraine through the PAC1 receptor, which was associated with CGRP.
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Affiliation(s)
- Hangfei Wu
- Department of Neurology, Shanghai Changhai Hospital, Shanghai, China,Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Zhao Dong
- Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Yinglu Liu
- Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Qing Zhang
- Townsend Family Laboratories, Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada
| | - Mingjie Zhang
- Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Guanqun Hu
- Department of Neurology, Tianjin Union Medical Center, Tianjin, China
| | - Shengyuan Yu
- Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China,Shengyuan Yu and Xun Han, Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Haidian District, Beijing 100853, China. Emails: @163.com
| | - Xun Han
- Department of Neurology, The First Medical Center, Chinese PLA General Hospital, Beijing, China
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Bertels Z, Mangutov E, Siegersma K, Cropper HC, Tipton A, Pradhan AA. PACAP-PAC1 receptor inhibition is effective in opioid induced hyperalgesia and medication overuse headache models. iScience 2023; 26:105950. [PMID: 36756376 PMCID: PMC9900514 DOI: 10.1016/j.isci.2023.105950] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 11/07/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Opioids prescribed for pain and migraine can produce opioid-induced hyperalgesia (OIH) or medication overuse headache (MOH). We previously demonstrated that pituitary adenylate cyclase activating polypeptide (PACAP) is upregulated in OIH and chronic migraine models. Here we determined if PACAP acts as a bridge between opioids and pain chronification. We tested PACAP-PAC1 receptor inhibition in novel models of opioid-exacerbated trigeminovascular pain. The PAC1 antagonist, M65, reversed chronic allodynia in a model which combines morphine with the migraine trigger, nitroglycerin. Chronic opioids also exacerbated cortical spreading depression, a correlate of migraine aura; and M65 inhibited this augmentation. In situ hybridization showed MOR and PACAP co-expression in trigeminal ganglia, and near complete overlap between MOR and PAC1 in the trigeminal nucleus caudalis and periaqueductal gray. PACAPergic mechanisms appear to facilitate the transition to chronic headache following opioid use, and strategies targeting this system may be particularly beneficial for OIH and MOH.
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Affiliation(s)
- Zachariah Bertels
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Elizaveta Mangutov
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Kendra Siegersma
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Haley C. Cropper
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Alycia Tipton
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA
| | - Amynah A. Pradhan
- Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA,Corresponding author
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Toth D, Reglodi D, Schwieters L, Tamas A. Role of endocrine PACAP in age-related diseases. Front Endocrinol (Lausanne) 2023; 14:1118927. [PMID: 36967746 PMCID: PMC10033946 DOI: 10.3389/fendo.2023.1118927] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 02/24/2023] [Indexed: 03/11/2023] Open
Abstract
Pituitary adenylate cyclase activating polypeptide (PACAP) is a conserved neuropeptide, which confers diverse anti-aging endocrine and paracrine/autocrine effects, including anti-apoptotic, anti-inflammatory and antioxidant action. The results of the in vivo and in vitro experiments show that increasing emphasis is being placed on the diagnostic/prognostic biomarker potential of this neuropeptide in a wide array of age-related diseases. After the initial findings regarding the presence and alteration of PACAP in different body fluids in physiological processes, an increasing number of studies have focused on the changes of its levels in various pathological conditions associated with advanced aging. Until 2016 - when the results of previous human studies were reviewed - a vast majority of the studies had dealt with age-related neurological diseases, like cerebrovascular and neurodegenerative diseases, multiple sclerosis, as well as some other common diseases in elderly such as migraine, traumatic brain injury and post-traumatic stress disorder, chronic hepatitis and nephrotic syndrome. The aim of this review is to summarize the old and the new results and highlight those 'classical' and emerging clinical fields in which PACAP may become subject to further investigation as a diagnostic and/or prognostic biomarker in age-related diseases.
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Affiliation(s)
- Denes Toth
- Department of Forensic Medicine, University of Pécs Medical School, Pécs, Hungary
| | - Dora Reglodi
- Department of Anatomy, ELKH-PTE PACAP Research Team, Centre for Neuroscience, University of Pécs Medical School, Pécs, Hungary
| | - Lili Schwieters
- Department of Anatomy, ELKH-PTE PACAP Research Team, Centre for Neuroscience, University of Pécs Medical School, Pécs, Hungary
| | - Andrea Tamas
- Department of Anatomy, ELKH-PTE PACAP Research Team, Centre for Neuroscience, University of Pécs Medical School, Pécs, Hungary
- *Correspondence: Andrea Tamas,
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Guo S, Jansen-Olesen I, Olesen J, Christensen SL. Role of PACAP in migraine: An alternative to CGRP? Neurobiol Dis 2023; 176:105946. [PMID: 36481434 DOI: 10.1016/j.nbd.2022.105946] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/29/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
Migraine is a widespread and debilitating neurological condition affecting more than a billion people worldwide. Thus, more effective migraine therapies are highly needed. In the last decade, two endogenous neuropeptides, calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase-activating peptide (PACAP), were identified to be implicated in migraine. Recently, introduction of monoclonal antibodies (mAbs) blocking the CGRP is the most important advance in migraine therapy for decades. However, 40% of patients are unresponsive to these new drugs. We believe that PACAP may be involved in these patients. Like CGRP, PACAP is located to sensory nerve fibers, it dilates cranial arteries, it causes migraine when infused into patients and it is a peptide that lends itself to antibody therapy. Also, recent studies suggest that the PACAP pathway is independent of the CGRP pathway. Understanding the signaling pathways of PACAP may therefore lead to identification of novel therapeutic targets of particular interest in patients unresponsive to anti-CGRP therapy. Accordingly, neutralizing mAb to PACAP is currently in clinical phase II development. The aim of the present review is, therefore, to give a thorough account of the existing data on PACAP, its receptors and its relation to migraine.
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Affiliation(s)
- Song Guo
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Inger Jansen-Olesen
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Jes Olesen
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Sarah Louise Christensen
- Department of Neurology, Danish Headache Center, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark.
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Guo S, Ernstsen C, Hay-Schmidt A, Ashina M, Olesen J, Christensen SL. PACAP signaling is not involved in GTN- and levcromakalim-induced hypersensitivity in mouse models of migraine. J Headache Pain 2022; 23:155. [PMID: 36471250 PMCID: PMC9724374 DOI: 10.1186/s10194-022-01523-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/04/2022] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Calcitonin gene-related peptide (CGRP) antagonizing drugs represents the most important advance in migraine therapy for decades. However, these new drugs are only effective in 50-60% of patients. Recent studies have shown that the pituitary adenylate cyclase-activating peptide (PACAP38) pathway is independent from the CGRP signaling pathway. Here, we investigate PACAP38 signaling pathways in relation to glyceryl trinitrate (GTN), levcromakalim and sumatriptan. METHODS In vivo mouse models of PACAP38-, GTN-, and levcromakalim-induced migraine were applied using tactile sensitivity to von Frey filaments as measuring readout. Signaling pathways involved in the three models were dissected using PACAP-inhibiting antibodies (mAbs) and sumatriptan. RESULTS We showed that PACAP mAbs block PACAP38 induced hypersensitivity, but not via signaling pathways involved in GTN and levcromakalim. Also, sumatriptan has no effect on PACAP38-induced hypersensitivity relevant to migraine. This is the first study testing the effect of a PACAP-inhibiting drug on GTN- and levcromakalim-induced hypersensitivity. CONCLUSIONS Based on the findings in our mouse model of migraine using migraine-inducing compounds and anti-migraine drugs, we suggest that PACAP acts via a distinct pathway. Using PACAP38 antagonism may be a novel therapeutic target of interest in a subgroup of migraine patients who do not respond to existing therapies.
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Affiliation(s)
- Song Guo
- grid.475435.4Department of Neurology, Danish Headache Center, Research Institute, Copenhagen University Hospital-Rigshospitalet Glostrup, Nordstjernevej 42, Glostrup 2600 Copenhagen, Denmark ,grid.5254.60000 0001 0674 042XDepartment of Odontology, Faculty of Health, Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | - Charlotte Ernstsen
- grid.475435.4Department of Neurology, Danish Headache Center, Research Institute, Copenhagen University Hospital-Rigshospitalet Glostrup, Nordstjernevej 42, Glostrup 2600 Copenhagen, Denmark
| | - Anders Hay-Schmidt
- grid.5254.60000 0001 0674 042XDepartment of Odontology, Faculty of Health, Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | - Messoud Ashina
- grid.475435.4Department of Neurology, Danish Headache Center, Human Migraine Research Unit, Copenhagen University Hospital Rigshospitalet-Glostrup, Copenhagen, Denmark
| | - Jes Olesen
- grid.475435.4Department of Neurology, Danish Headache Center, Research Institute, Copenhagen University Hospital-Rigshospitalet Glostrup, Nordstjernevej 42, Glostrup 2600 Copenhagen, Denmark
| | - Sarah Louise Christensen
- grid.475435.4Department of Neurology, Danish Headache Center, Research Institute, Copenhagen University Hospital-Rigshospitalet Glostrup, Nordstjernevej 42, Glostrup 2600 Copenhagen, Denmark
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Tasma Z, Siow A, Harris PWR, Brimble MA, O’Carroll SJ, Hay DL, Walker CS. PAC 1, VPAC 1, and VPAC 2 Receptor Expression in Rat and Human Trigeminal Ganglia: Characterization of PACAP-Responsive Receptor Antibodies. Int J Mol Sci 2022; 23:ijms232213797. [PMID: 36430275 PMCID: PMC9697343 DOI: 10.3390/ijms232213797] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/02/2022] [Accepted: 11/06/2022] [Indexed: 11/11/2022] Open
Abstract
Pituitary adenylate cyclase-activating peptide (PACAP) is a neuropeptide expressed in the trigeminal ganglia (TG). The TG conducts nociceptive signals in the head and may play roles in migraine. PACAP infusion provokes headaches in healthy individuals and migraine-like attacks in patients; however, it is not clear whether targeting this system could be therapeutically efficacious. To effectively target the PACAP system, an understanding of PACAP receptor distribution is required. Therefore, this study aimed to characterize commercially available antibodies and use these to detect PACAP-responsive receptors in the TG. Antibodies were initially validated in receptor transfected cell models and then used to explore receptor expression in rat and human TG. Antibodies were identified that could detect PACAP-responsive receptors, including the first antibody to differentiate between the PAC1n and PAC1s receptor splice variants. PAC1, VPAC1, and VPAC2 receptor-like immunoreactivity were observed in subpopulations of both neuronal and glial-like cells in the TG. In this study, PAC1, VPAC1, and VPAC2 receptors were detected in the TG, suggesting they are all potential targets to treat migraine. These antibodies may be useful tools to help elucidate PACAP-responsive receptor expression in tissues. However, most antibodies exhibited limitations, requiring the use of multiple methodologies and the careful inclusion of controls.
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Affiliation(s)
- Zoe Tasma
- School of Biological Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Andrew Siow
- School of Biological Sciences, The University of Auckland, Auckland 1010, New Zealand
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
| | - Paul W. R. Harris
- School of Biological Sciences, The University of Auckland, Auckland 1010, New Zealand
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland 1010, New Zealand
| | - Margaret A. Brimble
- School of Biological Sciences, The University of Auckland, Auckland 1010, New Zealand
- School of Chemical Sciences, The University of Auckland, Auckland 1010, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland 1010, New Zealand
| | - Simon J. O’Carroll
- Department of Anatomy and Medical Imaging, and Centre for Brain Research, Faculty of Medical and Health Science, The University of Auckland, Auckland 1023, New Zealand
| | - Debbie L. Hay
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland 1010, New Zealand
- Department of Pharmacology and Toxicology, The University of Otago, Dunedin 9016, New Zealand
| | - Christopher S. Walker
- School of Biological Sciences, The University of Auckland, Auckland 1010, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland 1010, New Zealand
- Correspondence:
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Chen Y, Liu Y, Song Y, Zhao S, Li B, Sun J, Liu L. Therapeutic applications and potential mechanisms of acupuncture in migraine: A literature review and perspectives. Front Neurosci 2022; 16:1022455. [PMID: 36340786 PMCID: PMC9630645 DOI: 10.3389/fnins.2022.1022455] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/30/2022] [Indexed: 11/16/2022] Open
Abstract
Acupuncture is commonly used as a treatment for migraines. Animal studies have suggested that acupuncture can decrease neuropeptides, immune cells, and proinflammatory and excitatory neurotransmitters, which are associated with the pathogenesis of neuroinflammation. In addition, acupuncture participates in the development of peripheral and central sensitization through modulation of the release of neuronal-sensitization-related mediators (brain-derived neurotrophic factor, glutamate), endocannabinoid system, and serotonin system activation. Clinical studies have demonstrated that acupuncture may be a beneficial migraine treatment, particularly in decreasing pain intensity, duration, emotional comorbidity, and days of acute medication intake. However, specific clinical effectiveness has not been substantiated, and the mechanisms underlying its efficacy remain obscure. With the development of biomedical and neuroimaging techniques, the neural mechanism of acupuncture in migraine has gained increasing attention. Neuroimaging studies have indicated that acupuncture may alter the abnormal functional activity and connectivity of the descending pain modulatory system, default mode network, thalamus, frontal-parietal network, occipital-temporal network, and cerebellum. Acupuncture may reduce neuroinflammation, regulate peripheral and central sensitization, and normalize abnormal brain activity, thereby preventing pain signal transmission. To summarize the effects and neural mechanisms of acupuncture in migraine, we performed a systematic review of literature about migraine and acupuncture. We summarized the characteristics of current clinical studies, including the types of participants, study designs, and clinical outcomes. The published findings from basic neuroimaging studies support the hypothesis that acupuncture alters abnormal neuroplasticity and brain activity. The benefits of acupuncture require further investigation through basic and clinical studies.
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Salahi M, Parsa S, Nourmohammadi D, Razmkhah Z, Salimi O, Rahmani M, Zivary S, Askarzadeh M, Tapak MA, Vaezi A, Sadeghsalehi H, Yaghoobpoor S, Mottahedi M, Garousi S, Deravi N. Immunologic aspects of migraine: A review of literature. Front Neurol 2022; 13:944791. [PMID: 36247795 PMCID: PMC9554313 DOI: 10.3389/fneur.2022.944791] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 08/29/2022] [Indexed: 12/02/2022] Open
Abstract
Migraine headaches are highly prevalent, affecting 15% of the population. However, despite many studies to determine this disease's mechanism and efficient management, its pathophysiology has not been fully elucidated. There are suggested hypotheses about the possible mediating role of mast cells, immunoglobulin E, histamine, and cytokines in this disease. A higher incidence of this disease in allergic and asthma patients, reported by several studies, indicates the possible role of brain mast cells located around the brain vessels in this disease. The mast cells are more specifically within the dura and can affect the trigeminal nerve and cervical or sphenopalatine ganglion, triggering the secretion of substances that cause migraine. Neuropeptides such as calcitonin gene-related peptide (CGRP), neurokinin-A, neurotensin (NT), pituitary adenylate-cyclase-activating peptide (PACAP), and substance P (SP) trigger mast cells, and in response, they secrete pro-inflammatory and vasodilatory molecules such as interleukin-6 (IL-6) and vascular endothelial growth factor (VEGF) as a selective result of corticotropin-releasing hormone (CRH) secretion. This stress hormone contributes to migraine or intensifies it. Blocking these pathways using immunologic agents such as CGRP antibody, anti-CGRP receptor antibody, and interleukin-1 beta (IL-1β)/interleukin 1 receptor type 1 (IL-1R1) axis-related agents may be promising as potential prophylactic migraine treatments. This review is going to summarize the immunological aspects of migraine.
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Affiliation(s)
- Mehrnaz Salahi
- Student Research Committee, School of Pharmacy and Pharmaceutical Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sina Parsa
- Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Delaram Nourmohammadi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Razmkhah
- Student Research Committee, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Omid Salimi
- Student Research Committee, Faculty of Medicine, Islamic Azad University of Najafabad, Isfahan, Iran
| | | | - Saeid Zivary
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Monireh Askarzadeh
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Amin Tapak
- Student Research Committee, Kurdistan University of Medical Sciences, Sanandaj, Iran
| | - Ali Vaezi
- School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Sadeghsalehi
- Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Shirin Yaghoobpoor
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehran Mottahedi
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Setareh Garousi
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Niloofar Deravi
- Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Frank F, Kaltseis K, Filippi V, Broessner G. Hypoxia-related mechanisms inducing acute mountain sickness and migraine. Front Physiol 2022; 13:994469. [PMID: 36148300 PMCID: PMC9485719 DOI: 10.3389/fphys.2022.994469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
Experimental models of human diseases are vital for pathophysiological and therapeutic research. To investigate the initiation, maintenance, pathophysiology and even termination of a migraine/headache attack these models are urgently needed. Results from different studies promote the profound involvement of hypoxia in migraine and other primary/secondary headaches. The possible mechanisms that drive the induction of headaches through hypoxia are still unknown, but several modes of action, such as increased blood flow, dilation of cerebral arteries, the release of nitroglycerin, calcitonin gene-related peptide and adenosine or increased oxygen extraction are discussed intensively. In studies exposing healthy volunteers and people with a history of migraine to controlled normobaric hypoxia, our research group could demonstrate normobaric hypoxia to be an effective trigger of migraine headaches. Furthermore, a longitudinal measurement of calcitonin gene-related peptide (CGRP), during a hypoxic challenge in migraine patients, revealed increasing CGRP levels with prolonged hypoxic challenge. Since GRP has been linked to migraine and other headache disorders, hypoxia could be regarded as initiator for headaches on a neurotransmitter basis. Furthermore, it has been known for more than 2 decades from studies in vitro and in vivo that hypoxia can induce cortical spreading depression, a phenomenon believed to represent aura. Considering the increased prevalence of migraine in altitude populations and the solid pathophysiological changes on cellular and neurotransmitter level–the role of hypoxia should be investigated in greater detail by the headache community.
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Sureda-Gibert P, Romero-Reyes M, Akerman S. Nitroglycerin as a model of migraine: Clinical and preclinical review. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2022; 12:100105. [PMID: 36974065 PMCID: PMC10039393 DOI: 10.1016/j.ynpai.2022.100105] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/31/2022] [Accepted: 09/19/2022] [Indexed: 10/14/2022]
Abstract
Migraine stands as one of the most disabling neurological conditions worldwide. It is a disorder of great challenge to study given its heterogeneous representation, cyclic nature, and complexity of neural networks involved. Despite this, clinical and preclinical research has greatly benefitted from the use of the nitric oxide donor, nitroglycerin (NTG), to model this disorder, dissect underlying mechanisms, and to facilitate the development and screening of effective therapeutics. NTG is capable of triggering a migraine attack, only in migraineurs or patients with a history of migraine and inducing migraine-like phenotypes in rodent models. It is however unclear to what extent NTG and NO, as its breakdown product, is a determinant factor in the underlying pathophysiology of migraine, and importantly, whether it really does facilitate the translation from the bench to the bedside, and vice-versa. This review provides an insight into the evidence supporting the strengths of this model, as well as its limitations, and shines a light into the possible role of NO-related mechanisms in altered molecular signalling pathways.
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Affiliation(s)
- Paula Sureda-Gibert
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychology, Psychiatry and Neuroscience, King’s College London, London SE5 8AF, UK
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD 21201, USA
| | - Marcela Romero-Reyes
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD 21201, USA
| | - Simon Akerman
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD 21201, USA
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Chen ST, Wu JW. CGRP-Targeted Therapy for Episodic and Chronic Cluster Headache. Curr Pain Headache Rep 2022; 26:667-675. [PMID: 35881279 DOI: 10.1007/s11916-022-01070-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE OF REVIEW Chronic cluster headache (CH) substantially affects patients' quality of life, and treatment remains challenging. The current article reviewed controlled studies for new treatment options targeting calcitonin gene-related peptide (CGRP) or its receptors in CH and discussed the current gaps and future directions for the treatment of chronic CH. RECENT FINDINGS Two anti-CGRP monoclonal antibodies (i.e., galcanezumab and fremanezumab) completed randomized-control trials for efficacy for the preventive treatment of episodic and chronic CH. Galcanezumab was effective for preventing episodic CH but not chronic CH. Fremanezumab was ineffective in preventing episodic and chronic CH. Studies for other anti-CGRP monoclonal antibodies and CGRP antagonists are still pending for results. There are no randomized controlled trials for CGRP-targeted therapies that showed efficacy for chronic CH prevention. The different responses to galcanezumab between episodic and chronic CH may be due to the study design, i.e., the allowance of concomitant preventive therapies in the chronic CH study but not in the episodic CH study. Another reason for the discrepancies is the different roles and sensitivity of CGRP in chronic CH.
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Affiliation(s)
- Shu-Ting Chen
- Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Jr-Wei Wu
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shi-Pai Rd, Taipei, Taiwan, 11217. .,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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Bentivegna E, Luciani M, Ferrari V, Galastri S, Baldari F, Scarso F, Lamberti PA, Martelletti P. Recently approved and emerging drug options for migraine prophylaxis. Expert Opin Pharmacother 2022; 23:1325-1335. [PMID: 35850597 DOI: 10.1080/14656566.2022.2102420] [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: 11/04/2022]
Abstract
INTRODUCTION : Migraine occupies the first position regarding to the disability caused in female working population (15-49 years). Research in the field of prophylaxis of this pathology has made enormous strides in recent years. AREAS COVERED In this narrative review we retrace the most important scientific evidence regarding recently approved and emerging drug for prophylactic treatment of migraine. The purpose of this article is in fact to evaluate currently approved or emerging pharmacological agents for migraine prophylaxis. This review is based on literature published in peer review journal obtained through PubMed, Cochrane library, Clinicaltrials.gov and US FDA. EXPERT OPINION : Monoclonal antibodies (mAbs) that target the calcitonin gene-related peptide signalling pathway (CGRP) have marked an innovation in prophylactic migraine therapy. The combination of Onabotulinumtoxin-A (OBTA) and mAbs appears to be an effective, but costly, therapeutic option for resistant cases. New classes of molecules like gepants and ditans seem to give exceptional results. In addition, new prophylactic drugs are emerging with several targets: the pituitary adenylate cyclase-activating polypeptide (PACAP), ion channels, several receptors coupled to G proteins, orexin, and glutamate. All these therapies will implement and improve migraine management, as well as personalized medicine for each patient.
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Affiliation(s)
- Enrico Bentivegna
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | | | - Valeria Ferrari
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Silvia Galastri
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Francesco Baldari
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Francesco Scarso
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Piera A Lamberti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University, Rome, Italy.,Regional Referral Headache Centre, Sant'Andrea Hospital, Rome, Italy
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Sokolov AY, Osipchuk AV, Skiba IB, Amelin AV. The Role of Pituitary Adenylate Cyclase-Activating Polypeptide and Vasoactive Intestinal Peptide in Migraine Pathogenesis. NEUROCHEM J+ 2022. [DOI: 10.1134/s1819712422010123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Byeon JH. Vestibular migraine of childhood. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2022. [DOI: 10.5124/jkma.2022.65.2.95] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Background: Vestibular migraine and benign paroxysmal vertigo are the most common causes of vertigo in children and adolescents. This is a review of vestibular migraine of childhood dizziness.Current Concepts: In children and adolescents, the symptoms of dizziness or vertigo are not well defined. Thus, few studies have investigated the characteristics of dizziness or vertigo in children and adolescents. Vestibular migraine is categorized as episodic syndromes associated with migraine in the International Classification of Headache Disorders, 3rd edition. Despite vertigo’s various clinical features and duration, vestibular migraine can be diagnosed only when a migraine accompanies vertigo from 5 minutes to 72 hours. Benign paroxysmal vertigo is more common in children and adolescents than vestibular migraine. Benign paroxysmal vertigo is considered one of the precursor syndrome of migraine, and the duration of vertigo is short from seconds to minutes.Discussion and Conclusion: Vestibular migraine is common in older children and adults who need a differential diagnosis. This review might be helpful to diagnose, evaluate, and treat children with vestibular migraine and to reassure their parents.
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Edvinsson L, Pradhan A. Advances in migraine and headache therapy (BJP 75th anniversary). Br J Pharmacol 2022; 179:355-357. [PMID: 35088906 DOI: 10.1111/bph.15794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Lars Edvinsson
- Department of Internal Medicine, Lund University Hospital, Lund, Sweden
| | - Amynah Pradhan
- Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, USA
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Togha M, Ghorbani Z, Ramazi S, Zavvari F, Karimzadeh F. Evaluation of Serum Levels of Transient Receptor Potential Cation Channel Subfamily V Member 1, Vasoactive Intestinal Polypeptide, and Pituitary Adenylate Cyclase-Activating Polypeptide in Chronic and Episodic Migraine: The Possible Role in Migraine Transformation. Front Neurol 2022; 12:770980. [PMID: 35002925 PMCID: PMC8733698 DOI: 10.3389/fneur.2021.770980] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2021] [Accepted: 11/19/2021] [Indexed: 12/21/2022] Open
Abstract
Objectives: This study aimed to investigate the role of serum levels of transient receptor potential cation channel subfamily V member 1 (TRPV1), vasoacive intestinal peptide (VIP), and pituitary adenylate cyclase-activating polypeptide (PACAP) in the development and also the transformation of migraine in patients suffering from migraine. Methods: Eighty-nine participants with a mean age of 39 years were divided into 23 episodic migraine (EM), 36 chronic migraine (CM), and 30 healthy control groups. Demographic, anthropometric, and headache characteristic information, and also blood samples, was collected. Serum levels of TRPV1, VIP, and PACAP were measured using the enzyme-linked immunosorbent assay (ELISA) technique. Results: Based on our findings, the serum level of TRPV1 was significantly higher in CM compared to the control group (p < 0.05), whereas serum levels of VIP (p < 0.01) and PACAP (p < 0.05) in the EM group were significantly more than the control group. There was no significant difference between EM and CM groups. Conclusions: An elevation in the serum levels of TRVP1 among chronic migraineurs and increments in the levels of VIP and PACAP were observed among EM patients compared to healthy subjects. However, our data failed to demonstrate the probable role of these biomarkers in migraine progression, and more studies are needed to clarify the molecular mechanisms involved in migraine progression.
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Affiliation(s)
- Mansoureh Togha
- Headache Department, Iranian Center of Neurological Research, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Zeinab Ghorbani
- Cardiovascular Diseases Research Center, Department of Cardiology, School of Medicine, Heshmat Hospital, Guilan University of Medical Sciences, Rasht, Iran.,Department of Clinical Nutrition, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Samira Ramazi
- Department of Physiology, Medical School, Iran University of Medical Sciences, Tehran, Iran
| | - Fahime Zavvari
- Department of Physiology, Medical School, Iran University of Medical Sciences, Tehran, Iran
| | - Fariba Karimzadeh
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
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Martins-Oliveira M, Tavares I, Goadsby PJ. Was it something I ate? Understanding the bidirectional interaction of migraine and appetite neural circuits. Brain Res 2021; 1770:147629. [PMID: 34428465 DOI: 10.1016/j.brainres.2021.147629] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/18/2022]
Abstract
Migraine attacks can involve changes of appetite: while fasting or skipping meals are often reported triggers in susceptible individuals, hunger or food craving are reported in the premonitory phase. Over the last decade, there has been a growing interest and recognition of the importance of studying these overlapping fields of neuroscience, which has led to novel findings. The data suggest additional studies are needed to unravel key neurobiological mechanisms underlying the bidirectional interaction between migraine and appetite. Herein, we review information about the metabolic migraine phenotype and explore migraine therapeutic targets that have a strong input on appetite neuronal circuits, including the calcitonin gene-related peptide (CGRP), the pituitary adenylate cyclase-activating polypeptide (PACAP) and the orexins. Furthermore, we focus on potential therapeutic peptide targets that are involved in regulation of feeding and play a role in migraine pathophysiology, such as neuropeptide Y, insulin, glucagon and leptin. We then examine the orexigenic - anorexigenic circuit feedback loop and explore glucose metabolism disturbances. Additionally, it is proposed a different perspective on the most reported feeding-related trigger - skipping meals - as well as a link between contrasting feeding behaviors (skipping meals vs food craving). Our review aims to increase awareness of migraine through the lens of appetite neurobiology in order to improve our understanding of the earlier phase of migraine, encourage better studies and cross-disciplinary collaborations, and provide novel migraine-specific therapeutic opportunities.
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Affiliation(s)
- Margarida Martins-Oliveira
- Headache Group, Wolfson Centre for Age-Related Disease, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK; Nutrition and Metabolism Department, NOVA Medical School, Faculdade de Ciências Médicas de Lisboa, Universidade Nova de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisbon, Portugal.
| | - Isaura Tavares
- Department of Biomedicine, Unit of Experimental Biology, Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; Institute of Investigation and Innovation in Health (i3S), University of Porto, Portugal.
| | - Peter J Goadsby
- Headache Group, Wolfson Centre for Age-Related Disease, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK; Department of Neurology, University of California, Los Angeles, Los Angeles, CA, USA.
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Tajti J, Szok D, Nyári A, Vécsei L. CGRP and CGRP-receptor as targets of migraine therapy: Brain Prize-2021. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2021; 21:460-478. [PMID: 34635045 DOI: 10.2174/1871527320666211011110307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/11/2021] [Accepted: 08/14/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Migraine is a highly prevalent primary headache with an unclear pathomechanism. During the last 40 years numerous hypotheses have arisen, among them the theory of the trigeminovascular system is the primary one. It serves as a skeleton in successful preclinical studies and in the development of effective therapeutic options for migraine headache. OBJECTIVE The Brain Prize (awarded annually by the Lundbeck Foundation) is the most prestigious tribute in neuroscience. The winners in 2021 were Lars Edvinsson, Peter Goadsby, Michael Moskowitz and Jes Olesen. They are the fathers of the migraine pathomechanism which led to revolutionary new treatments. This review summarizes their landmark findings. METHODS Data related to this topic were reviewed from PubMed records published between 1979 and May 2021. Searches were based on preclinical and clinical studies in the covered field. The findings were listed in chronological order. From a therapeutic perspective, only randomized controlled trials and meta-analysis were discussed. RESULTS The calcitonin gene-related peptide-related pathogenesis of migraine is based on the activation of the trigeminovascular system. The therapeutic triad for migraine is triptans, gepants and calcitonin gene-related peptide-targeted monoclonal antibodies. CONCLUSION In the past 40 years, the systematic work of leading headache scientists has resulted in robust theoretical and therapeutic knowledge in the preclinical and clinical study of migraine.
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Affiliation(s)
- János Tajti
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, H-6725, Szeged. Hungary
| | - Délia Szok
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, H-6725, Szeged. Hungary
| | - Aliz Nyári
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, H-6725, Szeged. Hungary
| | - László Vécsei
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, H-6725, Szeged. Hungary
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González-Hernández A, Marichal-Cancino BA, Villalón CM. The impact of CGRPergic monoclonal antibodies on prophylactic antimigraine therapy and potential adverse events. Expert Opin Drug Metab Toxicol 2021; 17:1223-1235. [PMID: 34535065 DOI: 10.1080/17425255.2021.1982892] [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: 10/20/2022]
Abstract
Migraine is a prevalent medical condition and the second most disabling neurological disorder. Regarding its pathophysiology, calcitonin gene-related peptide (CGRP) plays a key role, and, consequently, specific antimigraine pharmacotherapy has been designed to target this system. Hence, apart from the gepants, the recently developed monoclonal antibodies (mAbs) are a novel approach to treat this disorder. In this review we consider the current knowledge on the mechanisms of action, specificity, safety, and efficacy of the above mAbs as prophylactic antimigraine agents, and examine the possible adverse events that these agents may trigger. Antimigraine mAbs act as direct scavengers of CGRP (galcanezumab, fremanezumab, and eptinezumab) or against the CGRP receptor (erenumab). Due to their long half-lives, these molecules have revolutionized the prophylactic treatment of this neurovascular disorder. Moreover, because of their physicochemical properties, these agents are hepato-friendly and do not cross the blood-brain barrier (highlighting the relevance of peripheral mechanisms in migraine). Nevertheless, apart from potential cardiovascular side effects, the interaction with AMY1 receptors and immunogenicity induced by autoantibodies against mAbs could be a concern for the safety of long-term treatment with these molecules.
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Affiliation(s)
- Abimael González-Hernández
- Departamento de Neurobiología del Desarrollo y Neurofisiología, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
| | - Bruno A Marichal-Cancino
- Departamento de Fisiología y Farmacología, Universidad Autónoma de Aguascalientes, Ciudad Universitaria, Aguascalientes, México
| | - Carlos M Villalón
- Departamento de Farmacobiología, Cinvestav‑Coapa, Ciudad de México, México
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Abstract
INTRODUCTION Migraine is a common and disabling neurological disorder. A greater understanding of the pathophysiological mechanisms underlying migraine has led to the availability of specific new drugs targeting calcitonin gene-related peptide (CGRP). The success of the CGRP inhibitors validates research efforts into migraine-specific therapies. AREAS COVERED There are additional promising therapeutic targets that will be covered in this paper, focusing on the pain phase. They include pituitary adenylate cyclase-activating polypeptide (PACAP), the orexinergic system, the nitric oxide signaling pathway specifically neuronal nitric oxide synthase inhibitors (nNOSi), and metabotropic glutamate receptor 5 (mGluR5). EXPERT OPINION Based on currently available research; the targets discussed in this paper are all on equal footing with each other in terms of their potential as effective novel migraine therapies. There is a need for more clinical trials to pinpoint which of these potential drug targets will be effective for migraine preventio.
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Affiliation(s)
- Oyindamola Ogunlaja
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College, London, UK
| | - Nazia Karsan
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College, London, UK
| | - Peter Goadsby
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College, London, UK.,Department of Neurology, University of California, Los Angeles, CA, USA
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Abstract
Background Disability from migraine has a profound impact on the world's economy. Research has been ongoing to identify biomarkers to aid in diagnosis and treatment. Objective The aim of this study was to highlight the purported diagnostic and therapeutic migraine biomarkers and their role in precision medicine. Methods A comprehensive literature search was conducted using PubMed, Google Scholar, and clinicaltrials.gov using keywords: "migraine" OR "headache" combined with "biomarkers" OR "marker." Other keywords included "serum," "cerebral spinal fluid," "inflammatory," and "neuroimaging." Results After a review of 88 papers, we find the literature supports numerous biomarkers in the diagnosis of migraine. Therapeutic biomarkers, while not as extensively published, highlight calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase-activating peptide-38 (PACAP-38) as biomarkers with the most substantiated clinical relevance. Genetic markers mainly focusing on gene mutations with resultant biochemical alterations continue to be studied and show promise. Conclusion Although there are several proposed biomarkers for migraine, continued research is needed to substantiate their role in clinical practice.
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Affiliation(s)
- Brian M Yan
- Sidney Kimmel Medical College, Thomas Jefferson University, USA
| | | | - Ayesha Ahmad
- Department of Neurology, Thomas Jefferson University, USA
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Abstract
Background While understanding the pathophysiology of migraine has led to CGRP-based treatments, other potential targets have also been implicated in migraine. Objectives To catalog new promising targets for the treatment of migraine. Methods We completed a literature review focusing on 5HT1F, PACAP, melatonin, and orexins. Results The 5HT1F receptor agonist lasmiditan, following two positive randomized placebo-controlled trials, was FDA-approved for the acute treatment of migraine. PACAP-38 has shown analogous evidence to what was obtained for CGRP with its localization in key structures, provocation tests, and positive studies when antagonizing its receptor in animal models, although a PAC-1 receptor monoclonal antibody study was negative. Melatonin has undergone several randomized controlled trials showing a positive trend. Filorexant is the only dual orexin receptor antagonist, which was tested in humans with negative results. Conclusions Further and ongoing studies will determine the utility of these new therapies with lasmiditan and melatonin having demonstrated efficacy for the treatment of migraine.
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Affiliation(s)
- David Moreno-Ajona
- Basic and Clinical Neurosciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - María Dolores Villar-Martínez
- Basic and Clinical Neurosciences, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom
| | - Peter James Goadsby
- NIHR-Wellcome Trust King's Clinical Research Facility/SLaM Biomedical Research Centre, King's College Hospital, London, United Kingdom; Department of Neurology, University of California, Los Angeles, Los Angeles CA USA
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Abstract
PURPOSE OF REVIEW To discuss the treatment of post-traumatic headache (PTH) and how to choose pharmacotherapy based upon known pathophysiology. RECENT FINDINGS Preclinical models of traumatic brain injury are finally revealing some of the mechanisms of PTH, including the significant role that inflammatory neuropeptides like calcitonin gene-related peptide (CGRP) play in the initiation and persistence of symptoms. To effectively treat post-traumatic headache (PTH), one needs to understand the pathophysiology behind the initiation and persistence of symptoms. Recent animal models are starting to elucidate these mechanisms, but effective treatment will also likely rely on the identification of patients who are most at risk for persistent PTH. Trials of early, targeted therapy for at-risk patients will be needed to validate these hypotheses. Additionally, high powered clinical trials are lacking in the field of persistent PTH for medications that are known to be effective in primary headache disorders. Effective treatment for persistent PTH also requires understanding how headache interacts with the complex nature of persistent post-concussion symptoms, as this disease often necessitates a multi-disciplinary approach. Regardless, with the knowledge gained by new PTH models cited in this paper, and an increasing availability of novel headache medications, more effective treatment models are on the horizon.
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Affiliation(s)
- Joshua Kamins
- Goldberg Migraine Program, Department of Neurology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, USA.
- Steve Tisch BrainSPORT Program, Department of Neurosurgery, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, USA.
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47
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Kuburas A, Mason BN, Hing B, Wattiez AS, Reis AS, Sowers LP, Moldovan Loomis C, Garcia-Martinez LF, Russo AF. PACAP Induces Light Aversion in Mice by an Inheritable Mechanism Independent of CGRP. J Neurosci 2021; 41:4697-4715. [PMID: 33846231 PMCID: PMC8260237 DOI: 10.1523/jneurosci.2200-20.2021] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 02/26/2021] [Accepted: 03/27/2021] [Indexed: 01/18/2023] Open
Abstract
The neuropeptides CGRP (calcitonin gene-related peptide) and PACAP (pituitary adenylate cyclase-activating polypeptide) have emerged as mediators of migraine, yet the potential overlap of their mechanisms remains unknown. Infusion of PACAP, like CGRP, can cause migraine in people, and both peptides share similar vasodilatory and nociceptive functions. In this study, we have used light aversion in mice as a surrogate for migraine-like photophobia to compare CGRP and PACAP and ask whether CGRP or PACAP actions were dependent on each other. Similar to CGRP, PACAP induced light aversion in outbred CD-1 mice. The light aversion was accompanied by increased resting in the dark, but not anxiety in a light-independent open field assay. Unexpectedly, about one-third of the CD-1 mice did not respond to PACAP, which was not seen with CGRP. The responder and nonresponder phenotypes were stable, inheritable, and not sex linked, although there was a trend for greater responses among male mice. RNA-sequencing analysis of trigeminal ganglia yielded hierarchical clustering of responder and nonresponder mice and revealed a number of candidate genes, including greater expression of the Trpc5 and Kcnk12 ion channels and glycoprotein hormones and receptors in a subset of male responder mice. Importantly, an anti-PACAP monoclonal antibody could block PACAP-induced light aversion but not CGRP-induced light aversion. Conversely, an anti-CGRP antibody could not block PACAP-induced light aversion. Thus, we propose that CGRP and PACAP act by independent convergent pathways that cause a migraine-like symptom in mice.SIGNIFICANCE STATEMENT The relationship between the neuropeptides CGRP (calcitonin gene-related peptide) and PACAP (pituitary adenylate cyclase-activating polypeptide) in migraine is relevant given that both peptides can induce migraine in people, yet to date only drugs that target CGRP are available. Using an outbred strain of mice, we were able to show that most, but not all, mice respond to PACAP in a preclinical photophobia assay. Our finding that CGRP and PACAP monoclonal antibodies do not cross-inhibit the other peptide indicates that CGRP and PACAP actions are independent and suggests that PACAP-targeted drugs may be effective in patients who do not respond to CGRP-based therapeutics.
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Affiliation(s)
- Adisa Kuburas
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
| | - Bianca N Mason
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
- Molecular and Cellular Biology Program, University of Iowa, Iowa City, Iowa 52242
| | - Benjamin Hing
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
| | - Anne-Sophie Wattiez
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
| | - Alyssa S Reis
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
| | - Levi P Sowers
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
- Center for the Prevention and Treatment of Visual Loss, Veterans Affairs Health Care System, Iowa City, Iowa 52246
| | | | | | - Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa 52242
- Department of Neurology, University of Iowa, Iowa City, Iowa 52242
- Center for the Prevention and Treatment of Visual Loss, Veterans Affairs Health Care System, Iowa City, Iowa 52246
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48
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Akerman S, Romero-Reyes M, Karsan N, Bose P, Hoffmann JR, Holland PR, Goadsby PJ. Therapeutic targeting of nitroglycerin-mediated trigeminovascular neuronal hypersensitivity predicts clinical outcomes of migraine abortives. Pain 2021; 162:1567-1577. [PMID: 33181579 DOI: 10.1097/j.pain.0000000000002142] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 11/03/2020] [Indexed: 01/10/2023]
Abstract
ABSTRACT Cranial hypersensitivity is a prominent symptom of migraine, exhibited as migraine headache exacerbated with physical activity, and cutaneous facial allodynia and hyperalgesia. The underlying mechanism is believed to be, in part, activation and sensitization of dural-responsive trigeminocervical neurons. Validated preclinical models that exhibit this phenotype have great utility for understanding putative mechanisms and as a tool to screen therapeutics. We have previously shown that nitroglycerin triggers cranial allodynia in association with migraine-like headache, and this translates to neuronal cranial hypersensitivity in rats. Furthermore, responses in both humans and rats are aborted by triptan administration, similar to responses in spontaneous migraine. Here, our objective was to study the nitroglycerin model examining the effects on therapeutic targets with newly approved treatments, specifically gepants and ditans, for the acute treatment of migraine. Using electrophysiological methods, we determined changes to ongoing firing and somatosensory-evoked cranial sensitivity, in response to nitroglycerin, followed by treatment with a calcitonin gene-related peptide receptor antagonist, gepant (olcegepant), a 5-HT1F receptor agonist, ditan (LY344864), and an NK1 receptor antagonist (GR205171). Nitroglycerin induced activation of migraine-like central trigeminocervical neurons, and intracranial and extracranial neuronal hypersensitivity. These responses were aborted by olcegepant and LY344864. However, GR205171, which failed in clinical trial for both abortive and preventive treatment of migraine, had no effect. These data support the nitroglycerin model as a valid approach to study cranial hypersensitivity and putative mechanisms involved in migraine and as a screen to dissect potentially efficacious migraine therapeutic targets.
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Affiliation(s)
- Simon Akerman
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Marcela Romero-Reyes
- Department of Neural and Pain Sciences, University of Maryland Baltimore, Baltimore, MD, United States
| | - Nazia Karsan
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, United Kingdom
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, London, United Kingdom
| | - Pyari Bose
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, United Kingdom
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, London, United Kingdom
| | - Jan R Hoffmann
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, United Kingdom
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, London, United Kingdom
| | - Philip R Holland
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, London, United Kingdom
| | - Peter J Goadsby
- Headache Group, Department of Basic and Clinical Neuroscience, Institute of Psychology, Psychiatry and Neuroscience, King's College London, London, United Kingdom
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College Hospital, London, United Kingdom
- Department of Neurology, University of California, Los Angeles, Los Angeles, CA, United Kingdom
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49
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Guo Z, Czerpaniak K, Zhang J, Cao YQ. Increase in trigeminal ganglion neurons that respond to both calcitonin gene-related peptide and pituitary adenylate cyclase-activating polypeptide in mouse models of chronic migraine and posttraumatic headache. Pain 2021; 162:1483-1499. [PMID: 33252452 PMCID: PMC8049961 DOI: 10.1097/j.pain.0000000000002147] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 10/26/2020] [Indexed: 01/05/2023]
Abstract
A large body of animal and human studies indicates that blocking peripheral calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase-activating polypeptide (PACAP) signaling pathways may prevent migraine episodes and reduce headache frequency. To investigate whether recurring migraine episodes alter the strength of CGRP and PACAP signaling in trigeminal ganglion (TG) neurons, we compared the number of TG neurons that respond to CGRP and to PACAP (CGRP-R and PACAP-R, respectively) under normal and chronic migraine-like conditions. In a mouse model of chronic migraine, repeated nitroglycerin (NTG) administration significantly increased the number of CGRP-R and PACAP-R neurons in TG but not dorsal root ganglia. In TG neurons that express endogenous αCGRP, repeated NTG led to a 7-fold increase in the number of neurons that respond to both CGRP and PACAP (CGRP-R&PACAP-R). Most of these neurons were unmyelinated C-fiber nociceptors. This suggests that a larger fraction of CGRP signaling in TG nociceptors may be mediated through the autocrine mechanism, and the release of endogenous αCGRP can be enhanced by both CGRP and PACAP signaling pathways under chronic migraine condition. The number of CGRP-R&PACAP-R TG neurons was also increased in a mouse model of posttraumatic headache (PTH). Interestingly, low-dose interleukin-2 treatment, which completely reverses chronic migraine-related and PTH-related behaviors in mouse models, also blocked the increase in both CGRP-R and PACAP-R TG neurons. Together, these results suggest that inhibition of both CGRP and PACAP signaling in TG neurons may be more effective in treating chronic migraine and PTH than targeting individual signaling pathways.
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Affiliation(s)
- Zhaohua Guo
- Department of Anesthesiology and Washington University Pain Center, Washington University School of Medicine, St. Louis, MO 63110
| | - Katherine Czerpaniak
- Department of Anesthesiology and Washington University Pain Center, Washington University School of Medicine, St. Louis, MO 63110
| | - Jintao Zhang
- Department of Anesthesiology and Washington University Pain Center, Washington University School of Medicine, St. Louis, MO 63110
- Present address: Department of Anesthesiology, Nanfang Hospital, Southern Medical University, Guangzhou, China 510515
| | - Yu-Qing Cao
- Department of Anesthesiology and Washington University Pain Center, Washington University School of Medicine, St. Louis, MO 63110
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50
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Ashina M, Terwindt GM, Al-Karagholi MAM, de Boer I, Lee MJ, Hay DL, Schulte LH, Hadjikhani N, Sinclair AJ, Ashina H, Schwedt TJ, Goadsby PJ. Migraine: disease characterisation, biomarkers, and precision medicine. Lancet 2021; 397:1496-1504. [PMID: 33773610 DOI: 10.1016/s0140-6736(20)32162-0] [Citation(s) in RCA: 159] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 08/27/2020] [Accepted: 10/13/2020] [Indexed: 02/07/2023]
Abstract
Migraine is a disabling neurological disorder, diagnosis of which is based on clinical criteria. A shortcoming of these criteria is that they do not fully capture the heterogeneity of migraine, including the underlying genetic and neurobiological factors. This complexity has generated momentum for biomarker research to improve disease characterisation and identify novel drug targets. In this Series paper, we present the progress that has been made in the search for biomarkers of migraine within genetics, provocation modelling, biochemistry, and neuroimaging research. Additionally, we outline challenges and future directions for each biomarker modality. We also discuss the advances made in combining and integrating data from multiple biomarker modalities. These efforts contribute to developing precision medicine that can be applied to future patients with migraine.
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Affiliation(s)
- Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; Danish Knowledge Center on Headache Disorders, Glostrup, Denmark; Department of Nervous Diseases of the Institute of Professional Education, IM Sechenov First Moscow State Medical University, Moscow, Russia; Department of Neurology, Azerbaijan Medical University, Baku, Azerbaijan.
| | - Gisela M Terwindt
- Department of Neurology, Leiden University Medical Center, Leiden, Netherlands
| | - Mohammad Al-Mahdi Al-Karagholi
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Irene de Boer
- Department of Neurology, Leiden University Medical Center, Leiden, Netherlands
| | - Mi Ji Lee
- Department of Neurology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Debbie L Hay
- School of Biological Sciences and Centre for Brain Research, University of Auckland, Auckland, New Zealand; Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Laura H Schulte
- Clinic for Psychiatry and Psychotherapy, University Medical Center Eppendorf, Hamburg, Germany
| | - Nouchine Hadjikhani
- Athinoula A Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; Gillberg Neuropsychiatry Center, Sahlgrenska Academy, Gothenburg University, Gothenburg, Sweden
| | - Alexandra J Sinclair
- Metabolic Neurology, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK; Department of Neurology, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, UK
| | - Håkan Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | | | - Peter J Goadsby
- Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK
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