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Edvinsson JC, Reducha PV, Sheykhzade M, Warfvinge K, Haanes KA, Edvinsson L. Neurokinins and their receptors in the rat trigeminal system: Differential localization and release with implications for migraine pain. Mol Pain 2021; 17:17448069211059400. [PMID: 34898306 PMCID: PMC8679402 DOI: 10.1177/17448069211059400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Substance P (SP) and calcitonin gene-related peptide (CGRP) have both been
considered potential drug candidates in migraine therapy. In recent years, CGRP
receptor inhibition has been established as an effective treatment, in
particular as a prophylactic for chronic migraine. Curiously, inhibition of
neurokinin receptor 1 (NK1R) failed to alleviate acute migraine attacks in
clinical trials, and the neurokinins were consequently abandoned as potential
antimigraine candidates. The reason behind this has remained enigmatic. Utilizing immunohistochemistry and semi-quantitative cell counts the expression
of neurokinins and their associated receptors was examined in the rat trigeminal
ganglion. Immunohistochemistry results revealed SP co-localization in CGRP positive neurons
and C-fibres, where it mainly concentrated at boutons. Neurokinin A (NKA) was
observed in a population of C-fibres and small neurons where it could
co-localize with SP. In contrast, neurokinin B (NKB) did not co-localize with SP
and was observed in large/medium sized neurons and Aδ-fibres. All neurokinin
receptors (NK1-3R) were found to be expressed in a majority of trigeminal
ganglion neurons and A-fibres. The functional release of SP and CGRP in the trigeminovascular system was
stimulated with either 60 mM K+ or 100 nM capsaicin and measured with an
enzyme-linked immunosorbent assay (ELISA). ELISA results established that SP can
be released locally from trigeminovascular system. The released SP was
comparatively minor compared to the CGRP release from stimulated dura mater,
trigeminal ganglion neurons and fibres. We hypothesize that SP and CGRP
signalling pathways may work in tandem to exacerbate painful stimuli in the TGV
system.
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Affiliation(s)
- Jacob Ca Edvinsson
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, 53139University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark
| | - Philip V Reducha
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Majid Sheykhzade
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, 53139University of Copenhagen, Copenhagen, Denmark
| | - Karin Warfvinge
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University, Lund, Sweden
| | - Kristian A Haanes
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Department of Biology, University of Copenhagen, Copenhagen, Denmark
| | - Lars Edvinsson
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University, Lund, Sweden
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Láinez MJA, Schoenen J, Stroud C, Bardos J, Bangs M, Kemmer P, Wenzel R, Kuruppu DK, Martinez JM, Oakes TM. Tolerability and safety of galcanezumab in patients with chronic cluster headache with up to 15 months of galcanezumab treatment. Headache 2021; 62:65-77. [PMID: 34806783 PMCID: PMC9299588 DOI: 10.1111/head.14234] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 08/23/2021] [Accepted: 09/20/2021] [Indexed: 01/03/2023]
Abstract
Objective The objective of the study was to assess the tolerability and safety of galcanezumab in patients with chronic cluster headache (CH) with up to 15 months of treatment. Background Chronic CH is a highly debilitating disease with a substantial and unmet medical need. Methods Patients were randomized to receive placebo or galcanezumab (300 mg) monthly for 12 weeks, followed by an optional 52‐week open‐label extension and 16‐week posttreatment follow‐up (washout). This is a secondary analysis and long‐term follow‐up of a previously conducted clinical trial. The safety analysis included patients who received galcanezumab at any time during the study. Outcomes included adverse events (AEs), discontinuations, laboratory values, vital signs, electrocardiograms (ECGs), and suicidality ratings. Results A total of 233 patients received at least one galcanezumab dose. The mean exposure was 341 days. Galcanezumab‐treated patients were mostly male (n = 169/233; 72.5%) with a mean age of 44.9 (±10.9) years. Treatment‐emergent adverse events (TEAEs) were reported by 185 patients (n = 185/233; 79.4%), 23 patients (n = 23/233; 9.9%) reported serious adverse events (SAEs), and 18 patients (n = 18/233; 7.7%) discontinued due to AEs. The SAE CH was reported by three patients. The most common TEAEs (>10%) were nasopharyngitis (n = 41/233; 17.6%) and injection site pain (n = 33/233; 14.2%). 27.5% of patients (n = 64/233) had TEAEs related to injection sites. Likely hypersensitivity events, including injection site rash, injection site urticaria, and injection site hypersensitivity were reported (n = 14/233; 6.0%). There were past histories of suicidal ideation (n = 55/237; 23.2%) and suicidal behavior (n = 9/236; 3.8%). During the study, 15 patients (n = 15/230; 6.5%), seven with previous history, reported suicidal ideation. One patient had a nonfatal suicide attempt during the open‐label extension and an aborted attempt during the washout. There were no new safety findings compared with the placebo‐controlled treatment period in laboratory values, vital signs, or ECGs. Conclusions Galcanezumab 300 mg monthly had a favorable tolerability and safety profile in patients with chronic CH with up to 15 months of treatment.
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Affiliation(s)
- Miguel J A Láinez
- Hospital Clinico Universitario, Universidad Católica de Valencia, Valencia, Spain
| | - Jean Schoenen
- Department of Neurology, Headache Research Unit, Citadelle Hospital, Liège University, Liège, Belgium
| | - Chad Stroud
- Eli Lilly and Company, Indianapolis, Indiana, USA
| | | | - Mark Bangs
- Eli Lilly and Company, Indianapolis, Indiana, USA
| | - Phebe Kemmer
- Eli Lilly and Company, Indianapolis, Indiana, USA
| | | | | | | | - Tina M Oakes
- Eli Lilly and Company, Indianapolis, Indiana, USA
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53
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Zhang Y, Chen M, Liu Z, Wang X, Ji T. The neuropeptide calcitonin gene-related peptide links perineural invasion with lymph node metastasis in oral squamous cell carcinoma. BMC Cancer 2021; 21:1254. [PMID: 34800986 PMCID: PMC8606076 DOI: 10.1186/s12885-021-08998-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 11/10/2021] [Indexed: 01/12/2023] Open
Abstract
Objective Although perineural invasion (PNI) is well-known to be correlated with and able to predict lymph node metastasis (LNM) in oral squamous cell carcinoma (OSCC), the clinical and molecular correlation between PNI and LNM has not been elucidated, and preoperative biomarkers for LNM prediction in OSCC are urgently needed. Materials and methods The correlation between PNI and LNM was retrospectively evaluated using a cohort of 218 patients diagnosed with OSCC. Candidate neuropeptides were screened based on TCGA database and verified via immunohistochemistry and Western blot analyses. ELISA was used to detect calcitonin gene-related peptide (CGRP) in patient plasma. In vitro assays were used to explore the effects of CGRP on OSCC cells. Results OSCC patients with PNI had a higher incidence of LNM (69.86% vs. 26.2%, P < 0.0001, n = 218). CGRP expression was upregulated in the PNI niche and in metastatic lymph nodes, and was correlated with poor overall survival of OSCC patients. Preoperative plasma CGRP levels were higher in OSCC patients (n = 70) compared to healthy donors (n = 60) (48.59 vs. 14.58 pg/ml, P < 0.0001), and were correlated with LNM (P < 0.0001) and PNI (P = 0.0002). Preoperative plasma CGRP levels alone yielded an AUC value of 0.8088 to predict LNM, and CGRP levels combined with preoperative T stage reached an AUC value of 0.8590. CGRP promoted proliferation and migration abilities of OSCC cells, which could be antagonized by either pharmacological or genetic blockade of the CGRP receptor. Conclusions The neuropeptide CGRP links PNI and LNM in OSCC, and preoperative plasma CGRP levels can be used to predict LNM in OSCC. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-021-08998-9.
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Affiliation(s)
- Yu Zhang
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.,College of Stomatology, Shanghai Jiao Tong University, Shanghai, 200011, China.,National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, 200011, China.,Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Mingtao Chen
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.,College of Stomatology, Shanghai Jiao Tong University, Shanghai, 200011, China.,National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, 200011, China.,Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Zheqi Liu
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China.,College of Stomatology, Shanghai Jiao Tong University, Shanghai, 200011, China.,National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, 200011, China.,Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Xu Wang
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China. .,College of Stomatology, Shanghai Jiao Tong University, Shanghai, 200011, China. .,National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, 200011, China. .,Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
| | - Tong Ji
- Department of Oral Maxillofacial-Head Neck Oncology, Shanghai Ninth People's Hospital, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China. .,College of Stomatology, Shanghai Jiao Tong University, Shanghai, 200011, China. .,National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai, 200011, China. .,Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
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54
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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: 5] [Impact Index Per Article: 1.7] [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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55
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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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56
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Westgate CSJ, Israelsen IME, Jensen RH, Eftekhari S. Understanding the link between obesity and headache- with focus on migraine and idiopathic intracranial hypertension. J Headache Pain 2021; 22:123. [PMID: 34629054 PMCID: PMC8504002 DOI: 10.1186/s10194-021-01337-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 09/26/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Obesity confers adverse effects to every system in the body including the central nervous system. Obesity is associated with both migraine and idiopathic intracranial hypertension (IIH). The mechanisms underlying the association between obesity and these headache diseases remain unclear. METHODS We conducted a narrative review of the evidence in both humans and rodents, for the putative mechanisms underlying the link between obesity, migraine and IIH. RESULTS Truncal adiposity, a key feature of obesity, is associated with increased migraine morbidity and disability through increased headache severity, frequency and more severe cutaneous allodynia. Obesity may also increase intracranial pressure and could contribute to headache morbidity in migraine and be causative in IIH headache. Weight loss can improve both migraine and IIH headache. Preclinical research highlights that obesity increases the sensitivity of the trigeminovascular system to noxious stimuli including inflammatory stimuli, but the underlying molecular mechanisms remain unelucidated. CONCLUSIONS This review highlights that at the epidemiological and clinical level, obesity increases morbidity in migraine and IIH headache, where weight loss can improve headache morbidity. However, further research is required to understand the molecular underpinnings of obesity related headache in order to generate novel treatments.
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Affiliation(s)
- Connar Stanley James Westgate
- Danish Headache Center, Department of Neurology, Rigshospitalet- Glostrup, Glostrup Research Institute, University of Copenhagen, Nordstjernevej 42, 2600, Glostrup, Denmark
| | - Ida Marchen Egerod Israelsen
- Danish Headache Center, Department of Neurology, Rigshospitalet- Glostrup, Glostrup Research Institute, University of Copenhagen, Nordstjernevej 42, 2600, Glostrup, Denmark
| | - Rigmor Højland Jensen
- Danish Headache Center, Department of Neurology, Rigshospitalet- Glostrup, Glostrup Research Institute, University of Copenhagen, Nordstjernevej 42, 2600, Glostrup, Denmark
| | - Sajedeh Eftekhari
- Danish Headache Center, Department of Neurology, Rigshospitalet- Glostrup, Glostrup Research Institute, University of Copenhagen, Nordstjernevej 42, 2600, Glostrup, Denmark.
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Hormonal influences in migraine - interactions of oestrogen, oxytocin and CGRP. Nat Rev Neurol 2021; 17:621-633. [PMID: 34545218 DOI: 10.1038/s41582-021-00544-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/16/2021] [Indexed: 02/07/2023]
Abstract
Migraine is ranked as the second highest cause of disability worldwide and the first among women aged 15-49 years. Overall, the incidence of migraine is threefold higher among women than men, though the frequency and severity of attacks varies during puberty, the menstrual cycle, pregnancy, the postpartum period and menopause. Reproductive hormones are clearly a key influence in the susceptibility of women to migraine. A fall in plasma oestrogen levels can trigger attacks of migraine without aura, whereas higher oestrogen levels seem to be protective. The basis of these effects is unknown. In this Review, we discuss what is known about sex hormones and their receptors in migraine-related areas in the CNS and the peripheral trigeminovascular pathway. We consider the actions of oestrogen via its multiple receptor subtypes and the involvement of oxytocin, which has been shown to prevent migraine attacks. We also discuss possible interactions of these hormones with the calcitonin gene-related peptide (CGRP) system in light of the success of anti-CGRP treatments. We propose a simple model to explain the hormone withdrawal trigger in menstrual migraine, which could provide a foundation for improved management and therapy for hormone-related migraine in women.
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58
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Edvinsson L, Edvinsson JCA, Haanes KA. Biological and small molecule strategies in migraine therapy with relation to the calcitonin gene-related peptide family of peptides. Br J Pharmacol 2021; 179:371-380. [PMID: 34411289 DOI: 10.1111/bph.15669] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2021] [Revised: 08/10/2021] [Accepted: 08/13/2021] [Indexed: 11/26/2022] Open
Abstract
Migraine is one of the most common of neurological disorders with a global prevalence of up to 15%. One in five migraineurs have frequent episodic or chronic migraine requiring prophylactic treatment. In recent years, specific pharmacological treatments targeting calcitonin gene-related peptide (CGRP) signalling molecules have provided safe and effective treatments, monoclonal antibodies for prophylaxis and gepants for acute therapy. Albeit beneficial, it is important to understand the molecular mechanisms of these new drugs to better understand migraine pathophysiology and improve therapy. Here, we describe current views on the role of the CGRP family of peptides - CGRP, calcitonin, adrenomedullin, amylin - and their receptors in the trigeminovascular system. All these molecules are present within the trigeminovascular system but differ in expression and localization. It is likely that they have different roles, which can be utilized in providing additional drug targets.
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Affiliation(s)
- Lars Edvinsson
- Departments of Internal Medicine, Lund University Hospital, Lund, Sweden.,Department of Clinical Experimental Research, Glostrup Research Institute, Glostrup Hospital, Rigshospitalet, Denmark
| | - Jacob C A Edvinsson
- Department of Clinical Experimental Research, Glostrup Research Institute, Glostrup Hospital, Rigshospitalet, Denmark.,Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kristian A Haanes
- Departments of Internal Medicine, Lund University Hospital, Lund, Sweden.,Department of Clinical Experimental Research, Glostrup Research Institute, Glostrup Hospital, Rigshospitalet, Denmark
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59
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Moye LS, Siegersma K, Dripps I, Witkowski W, Mangutov E, Wang D, Scherrer G, Pradhan AA. Delta opioid receptor regulation of calcitonin gene-related peptide dynamics in the trigeminal complex. Pain 2021; 162:2297-2308. [PMID: 33605657 PMCID: PMC8730473 DOI: 10.1097/j.pain.0000000000002235] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 02/08/2021] [Indexed: 12/14/2022]
Abstract
ABSTRACT Migraine is highly prevalent and is the sixth leading cause worldwide for years lost to disability. Therapeutic options specifically targeting migraine are limited, and delta opioid receptor (DOP) agonists were recently identified as a promising pharmacotherapy. The mechanisms by which DOPs regulate migraine are currently unclear. Calcitonin gene-related peptide (CGRP) has been identified as an endogenous migraine trigger and plays a critical role in migraine initiation and susceptibility. The aim of this study was to determine the behavioral effects of DOP agonists on the development of chronic migraine-associated pain and to investigate DOP coexpression with CGRP and CGRP receptor (CGRPR) in the trigeminal system. Chronic migraine-associated pain was induced in mice through repeated intermittent injection of the known human migraine trigger, nitroglycerin. Chronic nitroglycerin resulted in severe chronic cephalic allodynia which was prevented with cotreatment of the DOP-selective agonist, SNC80. In addition, a corresponding increase in CGRP expression in the trigeminal ganglia and trigeminal nucleus caudalis was observed after chronic nitroglycerin, an augmentation that was blocked by SNC80. Moreover, DOP was also upregulated in these head pain-processing regions following the chronic migraine model. Immunohistochemical analysis of the trigeminal ganglia revealed coexpression of DOP with CGRP as well as with a primary component of the CGRPR, RAMP1. In the trigeminal nucleus caudalis, DOP was not coexpressed with CGRP but was highly coexpressed with RAMP1 and calcitonin receptor-like receptor. These results suggest that DOP agonists inhibit migraine-associated pain by attenuating CGRP release and blocking pronociceptive signaling of the CGRPR.
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Affiliation(s)
- Laura S Moye
- Department of Psychiatry, University of Illinois at Chicago
| | | | - Isaac Dripps
- Department of Psychiatry, University of Illinois at Chicago
| | | | | | - Dong Wang
- Department of Anesthesiology, Perioperative and Pain Medicine, Department of Neurosurgery, Department of Molecular and Cellular Physiology, Stanford Neurosciences Institute, Stanford University, Palo Alto, CA 94304, USA
| | - Grégory Scherrer
- Department of Cell Biology and Physiology, UNC Neuroscience Center, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- New York Stem Cell Foundation – Robertson Investigator
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60
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Li C, White TG, Shah KA, Chaung W, Powell K, Wang P, Woo HH, Narayan RK. Percutaneous Trigeminal Nerve Stimulation Induces Cerebral Vasodilation in a Dose-Dependent Manner. Neurosurgery 2021; 88:E529-E536. [PMID: 33677599 DOI: 10.1093/neuros/nyab053] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 12/26/2020] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The trigeminal nerve directly innervates key vascular structures both centrally and peripherally. Centrally, it is known to innervate the brainstem and cavernous sinus, whereas peripherally the trigemino-cerebrovascular network innervates the majority of the cerebral vasculature. Upon stimulation, it permits direct modulation of cerebral blood flow (CBF), making the trigeminal nerve a promising target for the management of cerebral vasospasm. However, trigeminally mediated cerebral vasodilation has not been applied to the treatment of vasospasm. OBJECTIVE To determine the effect of percutaneous electrical stimulation of the infraorbital branch of the trigeminal nerve (pTNS) on the cerebral vasculature. METHODS In order to determine the stimulus-response function of pTNS on cerebral vasodilation, CBF, arterial blood pressure, cerebrovascular resistance, intracranial pressure, cerebral perfusion pressure, cerebrospinal fluid calcitonin gene-related peptide (CGRP) concentrations, and the diameter of cerebral vessels were measured in healthy and subarachnoid hemorrhage (SAH) rats. RESULTS The present study demonstrates, for the first time, that pTNS increases brain CGRP concentrations in a dose-dependent manner, thereby producing controllable cerebral vasodilation. This vasodilatory response appears to be independent of the pressor response induced by pTNS, as it is maintained even after transection of the spinal cord at the C5-C6 level and shown to be confined to the infraorbital nerve by administration of lidocaine or destroying it. Furthermore, such pTNS-induced vasodilatory response of cerebral vessels is retained after SAH-induced vasospasm. CONCLUSION Our study demonstrates that pTNS is a promising vasodilator and increases CBF, cerebral perfusion, and CGRP concentration both in normal and vasoconstrictive conditions.
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Affiliation(s)
- Chunyan Li
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, New York, USA.,Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Timothy G White
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Kevin A Shah
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Wayne Chaung
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, New York, USA
| | - Keren Powell
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, New York, USA
| | - Ping Wang
- Center for Immunology and Inflammation, The Feinstein Institutes for Medical Research, Manhasset, New York, USA
| | - Henry H Woo
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
| | - Raj K Narayan
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, New York, USA.,Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York, USA
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Abstract
Cluster headache is a primary headache form occurring in paroxysmal excruciatingly severe unilateral head pain attacks usually grouped in periods lasting 1-2months, the cluster periods. A genetic component is suggested by the familial occurrence of the disease but a genetic linkage is yet to be identified. Contemporary activation of trigeminal and cranial parasympathetic systems-the so-called trigemino-parasympathetic reflex-during the headache attacks seem to cause the pain and accompanying oculo-facial autonomic phenomena respectively. At peripheral level, the increased calcitonin gene related peptide (CGRP) plasma levels suggests trigeminal system activation during cluster headache attacks. The temporal pattern of the disease both in terms of circadian rhythmicity and seasonal recurrence has suggested involvement of the hypothalamic biological clock in the pathophysiology of cluster headache. The posterior hypothalamus was investigate as the cluster generator leading to activation of the trigemino-parasympathetic reflex, but the accumulated experience after 20 years of hypothalamic electrical stimulation to treat the condition indicate that this brain region rather acts as pain modulator. Efficacy of monoclonal antibodies to treat episodic cluster headache points to a key role of CGRP in the pathophysiology of the condition.
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Eller OC, Yang X, Fuentes IM, Pierce AN, Jones BM, Brake AD, Wang R, Dussor G, Christianson JA. Voluntary Wheel Running Partially Attenuates Early Life Stress-Induced Neuroimmune Measures in the Dura and Evoked Migraine-Like Behaviors in Female Mice. Front Physiol 2021; 12:665732. [PMID: 34122137 PMCID: PMC8194283 DOI: 10.3389/fphys.2021.665732] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/29/2021] [Indexed: 12/13/2022] Open
Abstract
Migraine is a complex neurological disorder that affects three times more women than men and can be triggered by endogenous and exogenous factors. Stress is a common migraine trigger and exposure to early life stress increases the likelihood of developing chronic pain disorders later in life. Here, we used our neonatal maternal separation (NMS) model of early life stress to investigate whether female NMS mice have an increased susceptibility to evoked migraine-like behaviors and the potential therapeutic effect of voluntary wheel running. NMS was performed for 3 h/day during the first 3 weeks of life and initial observations were made at 12 weeks of age after voluntary wheel running (Exercise, -Ex) or sedentary behavior (-Sed) for 4 weeks. Mast cell degranulation rates were significantly higher in dura mater from NMS-Sed mice, compared to either naïve-Sed or NMS-Ex mice. Protease activated receptor 2 (PAR2) protein levels in the dura were significantly increased in NMS mice and a significant interaction of NMS and exercise was observed for transient receptor potential ankyrin 1 (TRPA1) protein levels in the dura. Behavioral assessments were performed on adult (>8 weeks of age) naïve and NMS mice that received free access to a running wheel beginning at 4 weeks of age. Facial grimace, paw mechanical withdrawal threshold, and light aversion were measured following direct application of inflammatory soup (IS) onto the dura or intraperitoneal (IP) nitroglycerin (NTG) injection. Dural IS resulted in a significant decrease in forepaw withdrawal threshold in all groups of mice, while exercise significantly increased grimace score across all groups. NTG significantly increased grimace score, particularly in exercised mice. A significant effect of NMS and a significant interaction effect of exercise and NMS were observed on hindpaw sensitivity following NTG injection. Significant light aversion was observed in NMS mice, regardless of exercise, following NTG. Finally, exercise significantly reduced calcitonin gene-related peptide (CGRP) protein level in the dura of NMS and naïve mice. Taken together, these findings suggest that while voluntary wheel running improved some measures in NMS mice that have been associated with increased migraine susceptibility, behavioral outcomes were not impacted or even worsened by exercise.
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Affiliation(s)
- Olivia C. Eller
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Xiaofang Yang
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Isabella M. Fuentes
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Angela N. Pierce
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
- Department of Physiology, Kansas City University of Medicine and Biosciences, Joplin, MO, United States
| | - Brittni M. Jones
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Aaron D. Brake
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Ruipeng Wang
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
| | - Gregory Dussor
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX, United States
| | - Julie A. Christianson
- Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, United States
- Department of Anesthesiology, University of Kansas Medical Center, Kansas City, KS, United States
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63
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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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64
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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: 25] [Impact Index Per Article: 8.3] [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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65
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Tasma Z, Wills P, Hay DL, Walker CS. Agonist bias and agonist-dependent antagonism at corticotrophin releasing factor receptors. Pharmacol Res Perspect 2021; 8:e00595. [PMID: 32529807 PMCID: PMC7290078 DOI: 10.1002/prp2.595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 03/26/2020] [Indexed: 01/14/2023] Open
Abstract
The corticotropin-releasing factor (CRF) receptors represent potential drug targets for the treatment of anxiety, stress, and other disorders. However, it is not known if endogenous CRF receptor agonists display biased signaling, how effective CRF receptor antagonists are at blocking different agonists and signaling pathways or how receptor activity-modifying proteins (RAMPs) effect these processes. This study aimed to address this by investigating agonist and antagonist action at CRF1 and CRF2 receptors. We used CRF1 and CRF2 receptor transfected Cos7 cells to assess the ability of CRF and urocortin (UCN) peptides to activate cAMP, inositol monophosphate (IP1 ), and extracellular signal-regulated kinase 1/2 signaling and determined the ability of antagonists to block agonist-stimulated cAMP and IP1 accumulation. The ability of RAMPs to interact with CRF receptors was also examined. At the CRF1 receptor, CRF and UCN1 activated signaling in the same manner. However, at the CRF2 receptor, UCN1 and UCN2 displayed similar signaling profiles, whereas CRF and UCN3 displayed bias away from IP1 accumulation over cAMP. The antagonist potency was dependent on the receptor, agonist, and signaling pathway. CRF1 and CRF2 receptors had no effect on RAMP1 or RAMP2 surface expression. The presence of biased agonism and agonist-dependent antagonism at the CRF receptors offers new avenues for developing drugs tailored to activate a specific signaling pathway or block a specific agonist. Our findings suggest that the already complex CRF receptor pharmacology may be underappreciated and requires further investigation.
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Affiliation(s)
- Zoe Tasma
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Peter Wills
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | - Debbie L Hay
- School of Biological Sciences, University of Auckland, Auckland, New Zealand.,Maurice Wilkins Centre and Centre for Brain Research, University of Auckland, Auckland, New Zealand
| | - Christopher S Walker
- School of Biological Sciences, University of Auckland, Auckland, New Zealand.,Maurice Wilkins Centre and Centre for Brain Research, University of Auckland, Auckland, New Zealand
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66
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White TG, Powell K, Shah KA, Woo HH, Narayan RK, Li C. Trigeminal Nerve Control of Cerebral Blood Flow: A Brief Review. Front Neurosci 2021; 15:649910. [PMID: 33927590 PMCID: PMC8076561 DOI: 10.3389/fnins.2021.649910] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 03/22/2021] [Indexed: 01/13/2023] Open
Abstract
The trigeminal nerve, the fifth cranial nerve, is known to innervate much of the cerebral arterial vasculature and significantly contributes to the control of cerebrovascular tone in both healthy and diseased states. Previous studies have demonstrated that stimulation of the trigeminal nerve (TNS) increases cerebral blood flow (CBF) via antidromic, trigemino-parasympathetic, and other central pathways. Despite some previous reports on the role of the trigeminal nerve and its control of CBF, there are only a few studies that investigate the effects of TNS on disorders of cerebral perfusion (i.e., ischemic stroke, subarachnoid hemorrhage, and traumatic brain injury). In this mini review, we present the current knowledge regarding the mechanisms of trigeminal nerve control of CBF, the anatomic underpinnings for targeted treatment, and potential clinical applications of TNS, with a focus on the treatment of impaired cerebral perfusion.
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Affiliation(s)
- Timothy G White
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, United States.,Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Keren Powell
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, United States
| | - Kevin A Shah
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Henry H Woo
- Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Raj K Narayan
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, United States.,Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
| | - Chunyan Li
- Translational Brain Research Laboratory, The Feinstein Institutes for Medical Research, Manhasset, NY, United States.,Department of Neurosurgery, Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, United States
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67
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Kleeberg-Hartmann J, Vogler B, Messlinger K. Petasin and isopetasin reduce CGRP release from trigeminal afferents indicating an inhibitory effect on TRPA1 and TRPV1 receptor channels. J Headache Pain 2021; 22:23. [PMID: 33849430 PMCID: PMC8042690 DOI: 10.1186/s10194-021-01235-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/26/2021] [Indexed: 12/13/2022] Open
Abstract
Background Butterbur root extract with its active ingredients petasin and isopetasin has been used in the prophylactic treatment of migraine for years, while its sites of action are not completely clear. Calcitonin gene-related peptide (CGRP) is known as a biomarker and promoting factor of migraine. We set out to investigate the impact of petasins on the CGRP release from trigeminal afferents induced by activation of the calcium conducting transient receptor potential channels (TRPs) of the subtypes TRPA1 and TRPV1. Methods We used well-established in vitro preparations, the hemisected rodent skull and dissected trigeminal ganglia, to examine the CGRP release from rat and mouse cranial dura mater and trigeminal ganglion neurons, respectively, after pre-incubation with petasin and isopetasin. Mustard oil and capsaicin were used to stimulate TRPA1 and TRPV1 receptor channels. CGRP concentrations were measured with a CGRP enzyme immunoassay. Results Pre-incubation with either petasin or isopetasin reduced mustard oil- and capsaicin-evoked CGRP release compared to vehicle in an approximately dose-dependent manner. These results were validated by additional experiments with mice expressing functionally deleted TRPA1 or TRPV1 receptor channels. Conclusions Earlier findings of TRPA1 receptor channels being involved in the site of action of petasin and isopetasin are confirmed. Furthermore, we suggest an important inhibitory effect on TRPV1 receptor channels and assume a cooperative action between the two TRP receptors. These mechanisms may contribute to the migraine prophylactic effect of petasins.
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Affiliation(s)
- Johanna Kleeberg-Hartmann
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Universitätsstraße 17, 91054, Erlangen, Germany
| | - Birgit Vogler
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Universitätsstraße 17, 91054, Erlangen, Germany
| | - Karl Messlinger
- Institute of Physiology and Pathophysiology, Friedrich-Alexander-University of Erlangen-Nürnberg, Universitätsstraße 17, 91054, Erlangen, Germany.
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68
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Yan X, Han H, Zhang S, Lu Y, Ren L, Tang Y, Li X, Jian F, Wang Y, Long H, Lai W. N/OFQ modulates orofacial pain induced by tooth movement through CGRP-dependent pathways. BMC Neurosci 2021; 22:25. [PMID: 33836649 PMCID: PMC8034138 DOI: 10.1186/s12868-021-00632-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 03/26/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Nociceptin/orphanin FQ (N/OFQ) has been revealed to play bidirectional roles in orofacial pain modulation. Calcitonin gene-related peptide (CGRP) is a well-known pro-nociceptive molecule that participates in the modulation of orofacial pain. We aimed to determine the effects of N/OFQ on the modulation of orofacial pain and on the release of CGRP. METHODS Orofacial pain model was established by ligating springs between incisors and molars in rats for the simulation of tooth movement. The expression level of N/OFQ was determined and pain level was scored in response to orofacial pain. Both agonist and antagonist of N/OFQ receptor were administered to examine their effects on pain and the expression of CGRP in trigeminal ganglia (TG). Moreover, gene therapy based on the overexpression of N/OFQ was delivered to validate the modulatory role of N/OFQ on pain and CGRP expression. RESULTS Tooth movement elicited orofacial pain and an elevation in N/OFQ expression. N/OFQ exacerbated orofacial pain and upregulated CGRP expression in TG, while UFP-101 alleviated pain and downregulated CGRP expression. N/OFQ-based gene therapy was successful in overexpressing N/OFQ in TG, which resulted in pain exacerbation and elevation of CGRP expression in TG. CONCLUSIONS N/OFQ exacerbated orofacial pain possibly through upregulating CGRP.
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Affiliation(s)
- Xinyu Yan
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Han Han
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Shizhen Zhang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Yanzhu Lu
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Linghuan Ren
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Yufei Tang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Xiaolong Li
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Fan Jian
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Yan Wang
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China
| | - Hu Long
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China.
| | - Wenli Lai
- Department of Orthodontics, State Key Laboratory of Oral Diseases, National Clinical Center for Oral Research, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Road, Chengdu, 610041, China.
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69
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Kowalska M, Prendecki M, Piekut T, Kozubski W, Dorszewska J. Migraine: Calcium Channels and Glia. Int J Mol Sci 2021; 22:2688. [PMID: 33799975 PMCID: PMC7962070 DOI: 10.3390/ijms22052688] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 01/03/2023] Open
Abstract
Migraine is a common neurological disease that affects about 11% of the adult population. The disease is divided into two main clinical subtypes: migraine with aura and migraine without aura. According to the neurovascular theory of migraine, the activation of the trigeminovascular system (TGVS) and the release of numerous neuropeptides, including calcitonin gene-related peptide (CGRP) are involved in headache pathogenesis. TGVS can be activated by cortical spreading depression (CSD), a phenomenon responsible for the aura. The mechanism of CSD, stemming in part from aberrant interactions between neurons and glia have been studied in models of familial hemiplegic migraine (FHM), a rare monogenic form of migraine with aura. The present review focuses on those interactions, especially as seen in FHM type 1, a variant of the disease caused by a mutation in CACNA1A, which encodes the α1A subunit of the P/Q-type voltage-gated calcium channel.
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Affiliation(s)
- Marta Kowalska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland; (M.K.); (M.P.); (T.P.)
| | - Michał Prendecki
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland; (M.K.); (M.P.); (T.P.)
| | - Thomas Piekut
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland; (M.K.); (M.P.); (T.P.)
| | - Wojciech Kozubski
- Chair and Department of Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland;
| | - Jolanta Dorszewska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland; (M.K.); (M.P.); (T.P.)
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70
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Sollmann N, Schandelmaier P, Weidlich D, Börner C, Urban G, Lang M, Zimmer C, Karampinos DC, Landgraf MN, Heinen F, Baum T, Bonfert MV. Patients with episodic migraine show increased T2 values of the trapezius muscles - an investigation by quantitative high-resolution magnetic resonance imaging. Cephalalgia 2021; 41:934-942. [PMID: 33615841 PMCID: PMC8217886 DOI: 10.1177/0333102421996374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background Neck pain is frequent in patients with migraine. Likewise, evidence for inflammatory processes in the trapezius muscles is accumulating. However, non-invasive and objectively assessable correlates are missing in vivo. Methods Twenty-one subjects with episodic migraine (mean age: 24.6 ± 3.1 years, 18 females) and 22 controls (mean age: 23.0 ± 2.2 years, 17 females) without any history of headache prospectively underwent physical examination and quantitative magnetic resonance imaging of the trapezius muscles. A T2‐prepared turbo spin-echo sequence was acquired for manual segmentation of the trapezius muscles and extraction of mean T2 values. Results There were no statistically significant differences regarding age, sex, body mass index, or number of myofascial trigger points (mTrPs) between groups. All patients with migraine presented with mTrPs in the trapezius muscles. T2 of the entire trapezius muscles was significantly higher in the migraine group when compared to controls (31.1 ± 0.8 ms vs. 30.1 ± 1.1 ms; p = 0.002). Conclusions Elevated T2 values of the trapezius muscles may indicate subtle inflammatory processes within musculature among patients with migraine because T2 increase is likely to stem from edematous changes. Future work may validate this finding in larger cohorts, but muscle T2 might have potential to develop into a viable in vivo biomarker for muscular affection in migraine.
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Affiliation(s)
- Nico Sollmann
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,TUM-Neuroimaging Center, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Ulm, Germany
| | - Paul Schandelmaier
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Dominik Weidlich
- Department of Diagnostic and Interventional Radiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Corinna Börner
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Giada Urban
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Magdalena Lang
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Claus Zimmer
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany.,TUM-Neuroimaging Center, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Dimitrios C Karampinos
- Department of Diagnostic and Interventional Radiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Mirjam N Landgraf
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Florian Heinen
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
| | - Thomas Baum
- Department of Diagnostic and Interventional Neuroradiology, School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Munich, Germany
| | - Michaela V Bonfert
- Department of Pediatric Neurology and Developmental Medicine and LMU Center for Children with Medical Complexity, Dr. von Hauner Children's Hospital, LMU - University Hospital, Ludwig Maximilian University, Munich, Germany
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Lengyel M, Hajdu D, Dobolyi A, Rosta J, Czirják G, Dux M, Enyedi P. TRESK background potassium channel modifies the TRPV1-mediated nociceptor excitability in sensory neurons. Cephalalgia 2021; 41:827-838. [PMID: 33525904 DOI: 10.1177/0333102421989261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
BACKGROUND TWIK-related spinal cord potassium channel (TRESK) background potassium channels have a key role in controlling resting membrane potential and excitability of sensory neurons. A frameshift mutation leading to complete loss of TRESK function has been identified in members of a family suffering from migraine with aura. In the present study, we examined the role of TRESK channels on nociceptor function in mice. METHODS Calcium imaging was used to investigate the role of TRESK channels in the modulation of the response evoked by transient receptor potential vanilloid 1 (TRPV1) receptor stimulation in dorsal root ganglion neurons. Release of calcitonin gene-related peptide from trigeminal afferents and changes in meningeal blood flow were also measured. Experiments were performed on wild-type and TRESK knockout animals. RESULTS Inhibition of TRESK increased the TRPV1-mediated calcium signal in dorsal root ganglion neurons and potentiated capsaicin-induced increases in calcitonin gene-related peptide release and meningeal blood flow. Activation of TRESK decreased the capsaicin sensitivity of sensory neurons, leading to an attenuation of capsaicin-induced increase in meningeal blood flow. In TRESK knockout animals, TRPV1-mediated nociceptive reactions were unaffected by pretreatment with TRESK modulators. CONCLUSIONS Pharmacological manipulation of TRESK channels influences the TRPV1-mediated functions of nociceptors. Altered TRESK function might contribute to trigeminal nociceptor sensitization in migraine patients.
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Affiliation(s)
- Miklós Lengyel
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Dominika Hajdu
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Alice Dobolyi
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Judit Rosta
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Gábor Czirják
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
| | - Mária Dux
- Department of Physiology, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - Péter Enyedi
- Department of Physiology, Faculty of Medicine, Semmelweis University, Budapest, Hungary
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72
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Edvinsson L, Haanes KA. Identifying New Antimigraine Targets: Lessons from Molecular Biology. Trends Pharmacol Sci 2021; 42:217-225. [PMID: 33495027 DOI: 10.1016/j.tips.2021.01.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 12/22/2020] [Accepted: 01/04/2021] [Indexed: 02/07/2023]
Abstract
Primary headaches are one of the most common conditions; migraine being most prevalent. Recent work on the pathophysiology of migraine suggests a mismatch in the communication or tuning of the trigeminovascular system, leading to sensitization and the release of calcitonin gene-related peptide (CGRP). In the current Opinion, we use the up-to-date molecular understanding of mechanisms behind migraine pain, to provide novel aspects on how to modify the system and for the development of future treatments; acute as well as prophylactic. We explore the distribution and the expression of neuropeptides themselves, as well as certain ion channels, and most importantly how they may act in concert as modulators of excitability of both the trigeminal C neurons and the Aδ neurons.
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Affiliation(s)
- Lars Edvinsson
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Denmark; Department of Clinical Sciences, Division of Experimental Vascular Research, Lund University, Lund, Sweden.
| | - Kristian Agmund Haanes
- Department of Clinical Experimental Research, Copenhagen University Hospital, Rigshospitalet-Glostrup, Denmark
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73
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Shibata M, Tang C. Implications of Transient Receptor Potential Cation Channels in Migraine Pathophysiology. Neurosci Bull 2021; 37:103-116. [PMID: 32870468 PMCID: PMC7811976 DOI: 10.1007/s12264-020-00569-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 05/11/2020] [Indexed: 12/19/2022] Open
Abstract
Migraine is a common and debilitating headache disorder. Although its pathogenesis remains elusive, abnormal trigeminal and central nervous system activity is likely to play an important role. Transient receptor potential (TRP) channels, which transduce noxious stimuli into pain signals, are expressed in trigeminal ganglion neurons and brain regions closely associated with the pathophysiology of migraine. In the trigeminal ganglion, TRP channels co-localize with calcitonin gene-related peptide, a neuropeptide crucially implicated in migraine pathophysiology. Many preclinical and clinical data support the roles of TRP channels in migraine. In particular, activation of TRP cation channel V1 has been shown to regulate calcitonin gene-related peptide release from trigeminal nerves. Intriguingly, several effective anti-migraine therapies, including botulinum neurotoxin type A, affect the functions of TRP cation channels. Here, we discuss currently available data regarding the roles of major TRP cation channels in the pathophysiology of migraine and the therapeutic applicability thereof.
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Affiliation(s)
- Mamoru Shibata
- Department of Neurology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
- Department of Neurology, Tokyo Dental College Ichikawa General Hospital, Chiba, 272-8513, Japan.
| | - Chunhua Tang
- Department of Neurology, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Department of Neurology and Center for Clinical Neuroscience, Daping Hospital, Third Military Medical University, Chongqing, 400042, China
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74
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Zhang H, Zhang XM, Zong DD, Ji XY, Jiang H, Zhang FZ, He SD. miR-34a-5p up-regulates the IL-1β/COX2/PGE2 inflammation pathway and induces the release of CGRP via inhibition of SIRT1 in rat trigeminal ganglion neurons. FEBS Open Bio 2020; 11:300-311. [PMID: 33155431 PMCID: PMC7780114 DOI: 10.1002/2211-5463.13027] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/21/2020] [Accepted: 11/04/2020] [Indexed: 11/10/2022] Open
Abstract
Migraine is a debilitating neurological condition, with a global prevalence rate of 10.68% in men and 18.79% in women. Elucidation of the molecular mechanisms underlying migraines is of great importance for improving the quality of life of patients. The release of the neuropeptide calcitonin gene-related peptide (CGRP) from trigeminal nerve terminals is involved in the pathogenesis of migraine. Recent studies have shown that up-regulation of miR-34a-5p expression is associated with acute migraine attacks. Here, we investigated whether alteration of the expression of miR-34a-5p induces the release of the vasoactive peptide CGRP. We isolated primary rat trigeminal ganglion neurons and performed gain- and loss-of-function assays to alter the expression level of miR-34a-5p. Down-regulation of miR-34a-5p inhibited the expression of interleukin-1β (IL-1β)/cyclooxygenase 2 (COX2)/prostaglandin E2 (PGE2), decreased IL-1β, PGE2 and CGRP release, and up-regulated the expression of silencing information regulator 1 (SIRT1) in trigeminal ganglion, whereas overexpression of miR-34a-5p enhanced the expression of IL-1β/COX2/PGE2, increased the release of IL-1β, PGE2 and CGRP, and decreased the expression of SIRT1 in trigeminal ganglion. In addition, overexpression of miR-34a-5p induced apoptosis in primary rat trigeminal neurons. In summary, these findings suggest that miR-34a-5p up-regulates the IL-1β/COX2/PGE2 inflammation pathway, induces apoptosis and enhances release of CGRP via inhibition of SIRT1 expression in trigeminal ganglion neurons; thus, miR-34a-5p may have potential as a therapeutic target for the treatment of migraine.
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Affiliation(s)
- Hui Zhang
- The Second Affiliated Hospital of Guilin Medical University, China.,College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Xue-Mei Zhang
- College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Dan-Dan Zong
- The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiao-Ying Ji
- The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China
| | - Hua Jiang
- College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Feng-Zheng Zhang
- College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Sheng-Dong He
- The Second Affiliated Hospital of Guilin Medical University, China.,College of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
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75
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Zhang Y, Lin C, Wang X, Ji T. Calcitonin gene-related peptide: A promising bridge between cancer development and cancer-associated pain in oral squamous cell carcinoma. Oncol Lett 2020; 20:253. [PMID: 32994816 PMCID: PMC7509602 DOI: 10.3892/ol.2020.12116] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 05/27/2020] [Indexed: 01/23/2023] Open
Abstract
Nerves have been widely demonstrated to exert major effects in tumor-associated microenvironments. Due to the characteristic innervation of the oral cavity and the fact that cancer-associated pain is a distinct feature of oral squamous cell carcinoma (OSCC), the sensory nerves may dominate in the OSCC-nerve microenvironment. As the most abundant neuropeptide in the trigeminal ganglion, the calcitonin gene-related peptide (CGRP) exerts a dual effect on cancer development and cancer-associated pain in various types of cancer. The present review explored the potential molecular mechanisms of the roles of CGRP in cancer development and cancer-associated pain, suggesting that CGRP may be a promising therapeutic target for OSCC.
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Affiliation(s)
- Yu Zhang
- Department of Oral and Maxillofacial Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
| | - Chengzhong Lin
- Department of Oral and Maxillofacial Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
| | - Xu Wang
- Department of Oral and Maxillofacial Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
| | - Tong Ji
- Department of Oral and Maxillofacial Head and Neck Oncology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China.,Shanghai Key Laboratory of Stomatology and Shanghai Research Institute of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, P.R. China
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76
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Kamm K, Straube A, Ruscheweyh R. Baseline tear fluid CGRP is elevated in active cluster headache patients as long as they have not taken attack abortive medication. Cephalalgia 2020; 41:69-77. [PMID: 32847402 DOI: 10.1177/0333102420949858] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Calcitonin gene-related peptide plays a key role in cluster headache pathophysiology. It is released from the trigeminal nerve, which also innervates the eye. In this study, we tested if tear fluid calcitonin gene-related peptide measurement detects elevated calcitonin gene-related peptide levels in cluster headache patients compared to controls. METHODS Calcitonin gene-related peptide concentration in tear fluid and plasma of 16 active episodic and 11 chronic cluster headache patients (all outside acute attacks) and 60 controls were assessed using ELISA. RESULTS Cluster headache patients without use of attack abortive medication in the last 48 h showed significantly elevated tear fluid calcitonin gene-related peptide levels (1.78 ± 1.57 ng/ml, n = 17) compared to healthy controls (0.79 ± 0.74 ng/ml, p = 0.003) and compared to cluster headache patients who had used attack abortive medication in the last 48 h (0.84 ± 1.40 ng/ml, n = 10, p = 0.022). High calcitonin gene-related peptide levels in cluster headache patients were independent of the occurrence of a cluster headache attack in the last 48 hours (no attack: 1.95 ± 1.65 ng/ml, n = 8; attack: 1.63 ± 1.59 ng/ml, n = 9, p = 0.82) as long as no acute medication was used. No significant difference in tear fluid calcitonin gene-related peptide levels between episodic (1.48 ± 1.34 ng/ml) and chronic cluster headache patients (2.21 ± 1.88 ng/ml, p = 0.364) was detected. In contrast to these results in tear fluid, there were no significant group differences in plasma calcitonin gene-related peptide levels. CONCLUSION This study shows that active cluster headache patients have increased calcitonin gene-related peptide levels in tear fluid compared to healthy subjects, which are reduced to control levels after intake of attack abortive medication. Calcitonin gene-related peptide measurement in tear fluid is non-invasive, and has the advantage of allowing direct access to calcitonin gene-related peptide released from the trigeminal nerve.
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Affiliation(s)
- Katharina Kamm
- Department of Neurology, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - Andreas Straube
- Department of Neurology, Ludwig-Maximilians-University Hospital, Munich, Germany
| | - Ruth Ruscheweyh
- Department of Neurology, Ludwig-Maximilians-University Hospital, Munich, Germany
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77
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Role of CGRP in Neuroimmune Interaction via NF-κB Signaling Genes in Glial Cells of Trigeminal Ganglia. Int J Mol Sci 2020; 21:ijms21176005. [PMID: 32825453 PMCID: PMC7503816 DOI: 10.3390/ijms21176005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/13/2020] [Accepted: 08/18/2020] [Indexed: 12/18/2022] Open
Abstract
Activation of the trigeminal system causes the release of various neuropeptides, cytokines, and other immune mediators. Calcitonin gene-related peptide (CGRP), which is a potent algogenic mediator, is expressed in the peripheral sensory neurons of trigeminal ganglion (TG). It affects the inflammatory responses and pain sensitivity by modulating the activity of glial cells. The primary aim of this study was to use array analysis to investigate the effect of CGRP on the glial cells of TG in regulating nuclear factor kappa B (NF-κB) signaling genes and to further check if CGRP in the TG can affect neuron-glia activation in the spinal trigeminal nucleus caudalis. The glial cells of TG were stimulated with CGRP or Minocycline (Min) + CGRP. The effect on various genes involved in NF-κB signaling pathway was analyzed compared to no treatment control condition using a PCR array analysis. CGRP, Min + CGRP or saline was directly injected inside the TG and the effect on gene expression of Egr1, Myd88 and Akt1 and protein expression of cleaved Caspase3 (cleav Casp3) in the TG, and c-Fos and glial fibrillary acidic protein (GFAP) in the spinal section containing trigeminal nucleus caudalis was analyzed. Results showed that CGRP stimulation resulted in the modulation of several genes involved in the interleukin 1 signaling pathway and some genes of the tumor necrosis factor pathway. Minocycline pre-treatment resulted in the modulation of several genes in the glial cells, including anti-inflammatory genes, and neuronal activation markers. A mild increase in cleav Casp3 expression in TG and c-Fos and GFAP in the spinal trigeminal nucleus of CGRP injected animals was observed. These data provide evidence that glial cells can participate in neuroimmune interaction due to CGRP in the TG via NF-κB signaling pathway.
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78
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Mason BN, Wattiez AS, Balcziak LK, Kuburas A, Kutschke WJ, Russo AF. Vascular actions of peripheral CGRP in migraine-like photophobia in mice. Cephalalgia 2020; 40:1585-1604. [PMID: 32811179 DOI: 10.1177/0333102420949173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Calcitonin gene-related peptide is recognized as a key player in migraine, yet the mechanisms and sites of calcitonin gene-related peptide action remain unknown. The efficacy of calcitonin gene-related peptide-blocking antibodies as preventative migraine drugs supports a peripheral site of action, such as the trigeminovasculature. Given the apparent disconnect between the importance of vasodilatory peptides in migraine and the prevailing opinion that vasodilation is an epiphenomenon, the goal of this study was to test whether vasodilation plays a role in calcitonin gene-related peptide-induced light aversive behavior in mice. METHODS Systemic mean arterial pressure and light aversive behavior were measured after intraperitoneal administration of calcitonin gene-related peptide and vasoactive intestinal peptide in wild-type CD1 mice. The functional significance of vasodilation was tested by co-administration of a vasoconstrictor (phenylephrine, endothelin-1, or caffeine) with calcitonin gene-related peptide to normalize blood pressure during the light aversion assay. RESULTS Both calcitonin gene-related peptide and vasoactive intestinal peptide induced light aversion that was associated with their effect on mean arterial pressure. Notably, vasoactive intestinal peptide caused relatively transient vasodilation and light aversion. Calcitonin gene-related peptide-induced light aversion was still observed even with normalized blood pressure. However, two of the agents, endothelin-1 and caffeine, did reduce the magnitude of light aversion. CONCLUSION We propose that perivascular calcitonin gene-related peptide causes light-aversive behavior in mice by both vasomotor and non-vasomotor mechanisms.
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Affiliation(s)
- Bianca N Mason
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,Brain and Behavior Sciences, Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Anne-Sophie Wattiez
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,Center for the Prevention and Treatment of Visual Loss, Veterans Administration Health Center, Iowa City, IA, USA
| | - Louis K Balcziak
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,Neuroscience Program, University of Iowa, Iowa City, IA, USA
| | - Adisa Kuburas
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, USA
| | - William J Kutschke
- Division of Cardiovascular Medicine, Department of Internal Medicine and Francois M Abboud Cardiovascular Research Center, University of Iowa, Iowa City, IA, USA
| | - Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,Center for the Prevention and Treatment of Visual Loss, Veterans Administration Health Center, Iowa City, IA, USA.,Department of Neurology, University of Iowa, Iowa City, IA, USA
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79
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A new approach for examining the neurovascular structure with phalloidin and calcitonin gene-related peptide in the rat cranial dura mater. J Mol Histol 2020; 51:541-548. [PMID: 32789740 DOI: 10.1007/s10735-020-09903-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 08/09/2020] [Indexed: 10/23/2022]
Abstract
The neurovascular structures in the cranial dura mater have been studied with various histological techniques in the past years. In order to obtain a proper approach to reveal the detailed structures, different labeling methods for the cranial vessels and nerve fibers were tested in this study. Firstly, the labeling characteristics of phalloidin, alpha smooth muscle actin (α-SMA), and CD31 were compared in rat whole-mount cranial dura mater by using fluorescent immunohistochemistry or histochemistry. Secondly, according to their properties, phalloidin and α-SMA were selected to combine with calcitonin gene-related peptide (CGRP) to further demonstrate the cranial neurovascular structure. By these approaches, a three-dimensional map of blood vessels and nerve fibers within the whole-mount rat cranial dura mater was obtained. The results showed that phalloidin, α-SMA, and CD31 were preferably expressed in the wall of cranial vessels, corresponding to the arteriors, venules, and capillaries, respectively. Additionally, CGRP + nerve fibers were clearly demonstrated together with phalloidin + or α-SMA + vessels, forming a delicate neurovascular network in the cranial dura mater. The thick nerve bundles ran closely to the phalloidin + or α-SMA + vessels in parallel pattern, while the thin nerve fibers branched off from the bundles tending to surround the phalloidin + arterioles rather than α-SMA + venules. These findings suggest that phalloidin could be an appropriate biochemical maker to be effectively used together with CGRP for experiments examining the detailed spatial correlation of cranial blood vessels and nerve fibers in a three-dimensional view, which may provide clues for understanding the underlying mechanisms of cranial neurovascular disorders.
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80
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Pellesi L, De Icco R, Al-Karagholi MAM, Ashina M. Reducing Episodic Cluster Headaches: Focus on Galcanezumab. J Pain Res 2020; 13:1591-1599. [PMID: 32753938 PMCID: PMC7342329 DOI: 10.2147/jpr.s222604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 06/08/2020] [Indexed: 12/20/2022] Open
Abstract
The involvement of calcitonin gene-related peptide in migraine and cluster headache has led to the recent development of new therapies. Galcanezumab, a novel monoclonal antibody targeting the calcitonin gene-related peptide, is approved for the migraine prevention and has recently been tested for the prevention of cluster headache. Two clinical trials have been conducted to investigate the efficacy and safety of galcanezumab in episodic cluster headache and chronic cluster headache. While efficacy endpoints were not met in the chronic subtype, galcanezumab reduced the weekly frequency of attacks in patients with episodic cluster headaches. In both studies, the antibody was well tolerated. This review summarizes and critically reviews the available data regarding the rationale behind targeting the calcitonin gene-related peptide with galcanezumab for the prevention of cluster headache.
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Affiliation(s)
- Lanfranco Pellesi
- Danish Headache Center, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Roberto De Icco
- Headache Science Center, IRCCS Mondino Foundation, Pavia, Italy.,Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | | | - Messoud Ashina
- Danish Headache Center, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Danish Headache Knowledge Center, Rigshospitalet Glostrup, Glostrup, Denmark
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81
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Giani L, Proietti Cecchini A, Leone M. Galcanezumab for the prevention of cluster headache. Expert Opin Biol Ther 2020; 20:1133-1142. [PMID: 32702245 DOI: 10.1080/14712598.2020.1800635] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Cluster headache (CH) is among the worst painful conditions. The available therapies are scarce and not specific, leaving many patients unsatisfied because of poor efficacy and/or tolerability. Patients not responding to common treatments are offered semi-invasive and invasive procedures with uncertain results. Based on the current understanding of CH pathophysiology, new possible therapeutic approaches come from drugs interfering with Calcitonin Gene Related Peptide (CGRP). AREAS COVERED After summarizing the evidence for CGRP involvement in CH pathophysiology, we review the published literature (PubMed) and information (clinicaltrials.gov, EudraCT, EMA and FDA websites) regarding a novel anti-CGRP monoclonal antibody, Galcanezumab, its pharmacological properties, development, and evidence for the treatment of CH. Publications regarding other indications (migraine) are considered for completeness and safety/tolerability profile. EXPERT OPINION In one randomized clinical trial, Galcanezumab has proven to be effective and safe as a preventive treatment in episodic CH, with a favorable tolerability profile offering a potential new option in the therapeutic arsenal. Inefficacy of galcanezumab in chronic CH as well as the inefficacy of another monoclonal antibody against CGRP (fremanezumab) in both episodic and chronic CH question the scalability of the drug in CH management. Further, studies comparing galcanezumab to the current standard treatments are highly desirable.
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Affiliation(s)
- Luca Giani
- Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta" , 20133, Milano (MI), Italy
| | | | - Massimo Leone
- Neuroalgology Unit, Fondazione IRCCS Istituto Neurologico "Carlo Besta" , 20133, Milano (MI), Italy
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82
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Emerging importance of satellite glia in nervous system function and dysfunction. Nat Rev Neurosci 2020; 21:485-498. [PMID: 32699292 PMCID: PMC7374656 DOI: 10.1038/s41583-020-0333-z] [Citation(s) in RCA: 173] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/09/2020] [Indexed: 02/08/2023]
Abstract
Satellite glial cells (SGCs) closely envelop cell bodies of neurons in sensory, sympathetic and parasympathetic ganglia. This unique organization is not found elsewhere in the nervous system. SGCs in sensory ganglia are activated by numerous types of nerve injury and inflammation. The activation includes upregulation of glial fibrillary acidic protein, stronger gap junction-mediated SGC-SGC and neuron-SGC coupling, increased sensitivity to ATP, downregulation of Kir4.1 potassium channels and increased cytokine synthesis and release. There is evidence that these changes in SGCs contribute to chronic pain by augmenting neuronal activity and that these changes are consistent in various rodent pain models and likely also in human pain. Therefore, understanding these changes and the resulting abnormal interactions of SGCs with sensory neurons could provide a mechanistic approach that might be exploited therapeutically in alleviation and prevention of pain. We describe how SGCs are altered in rodent models of four common types of pain: systemic inflammation (sickness behaviour), post-surgical pain, diabetic neuropathic pain and post-herpetic pain.
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83
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Abstract
BACKGROUND Migraine is a common disabling neurological disorder where attacks have been recognized to consist of more than headache. The premonitory, headache, and postdromal phases are the various phases of the migraine cycle, where aura can occur before, during, or after the onset of pain. Migraine is also associated with photosensitivity and cranial autonomic symptoms, which includes lacrimation, conjunctival injection, periorbital edema, ptosis, nasal congestion, and rhinorrhoea. This review will present the current understanding of migraine pathophysiology and the relationship to the observed symptoms. EVIDENCE ACQUISITION The literature was reviewed with specific focus on clinical, neurophysiological, functional imaging, and preclinical studies in migraine including the studies on the role of calcitonin gene-related peptide (CGRP) and pituitary adenylate cyclase activating polypeptide (PACAP). RESULTS The phases of the migraine cycle have been delineated by several studies. The observations of clinical symptoms help develop hypotheses of the key structures involved and the biochemical and neuronal pathways through which the effects are mediated. Preclinical studies and functional imaging studies have provided evidence for the role of multiple cortical areas, the diencephalon, especially the hypothalamus, and certain brainstem nuclei in the modulation of nociceptive processing, symptoms of the premonitory phase, aura, and photophobia. CGRP and PACAP have been found to be involved in nociceptive modulation and through exploration of CGRP mechanisms, new successful treatments have been developed. CONCLUSIONS Migraine is a complex neural disorder and is important to understand when seeing patients who present to neuro-ophthalmology, especially with the successful translation from preclinical and clinical research leading to successful advances in migraine management.
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84
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de Vries T, Villalón CM, MaassenVanDenBrink A. Pharmacological treatment of migraine: CGRP and 5-HT beyond the triptans. Pharmacol Ther 2020; 211:107528. [PMID: 32173558 DOI: 10.1016/j.pharmthera.2020.107528] [Citation(s) in RCA: 98] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 03/08/2020] [Indexed: 01/08/2023]
Abstract
Migraine is a highly disabling neurovascular disorder characterized by a severe headache (associated with nausea, photophobia and/or phonophobia), and trigeminovascular system activation involving the release of calcitonin-gene related peptide (CGRP). Novel anti-migraine drugs target CGRP signaling through either stimulation of 5-HT1F receptors on trigeminovascular nerves (resulting in inhibition of CGRP release) or direct blockade of CGRP or its receptor. Lasmiditan is a highly selective 5-HT1F receptor agonist and, unlike the triptans, is devoid of vasoconstrictive properties, allowing its use in patients with cardiovascular risk. Since lasmiditan can actively penetrate the blood-brain barrier, central therapeutic as well as side effects mediated by 5-HT1F receptor activation should be further investigated. Other novel anti-migraine drugs target CGRP signaling directly. This neuropeptide can be targeted by the monoclonal antibodies eptinezumab, fremanezumab and galcanezumab, or by CGRP-neutralizing L-aptamers called Spiegelmers. The CGRP receptor can be targeted by the monoclonal antibody erenumab, or by small-molecule antagonists called gepants. Currently, rimegepant and ubrogepant have been developed for acute migraine treatment, while atogepant is studied for migraine prophylaxis. Of these drugs targeting CGRP signaling directly, eptinezumab, erenumab, fremanezumab, galcanezumab, rimegepant and ubrogepant have been approved for clinical use, while atogepant is in the last stage before approval. Although all of these drugs seem highly promising for migraine treatment, their safety should be investigated in the long-term. Moreover, the exact mechanism(s) of action of these drugs need to be elucidated further, to increase both safety and efficacy and to increase the number of responders to the different treatments, so that all migraine patients can satisfactorily be treated.
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Affiliation(s)
- Tessa de Vries
- Division of Pharmacology, Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040, 3000, CA, Rotterdam, the Netherlands
| | - Carlos M Villalón
- Deptartment de Farmacobiología, Cinvestav-Coapa, C.P. 14330 Ciudad de México, Mexico
| | - Antoinette MaassenVanDenBrink
- Division of Pharmacology, Department of Internal Medicine, Erasmus University Medical Center, PO Box 2040, 3000, CA, Rotterdam, the Netherlands.
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85
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Warfvinge K, Krause DN, Maddahi A, Grell AS, Edvinsson JC, Haanes KA, Edvinsson L. Oxytocin as a regulatory neuropeptide in the trigeminovascular system: Localization, expression and function of oxytocin and oxytocin receptors. Cephalalgia 2020; 40:1283-1295. [PMID: 32486908 DOI: 10.1177/0333102420929027] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Recent clinical findings suggest that oxytocin could be a novel treatment for migraine. However, little is known about the role of this neuropeptide/hormone and its receptor in the trigeminovascular pathway. Here we determine expression, localization, and function of oxytocin and oxytocin receptors in rat trigeminal ganglia and targets of peripheral (dura mater and cranial arteries) and central (trigeminal nucleus caudalis) afferents. METHODS The methods include immunohistochemistry, messenger RNA measurements, quantitative PCR, release of calcitonin gene-related peptide and myography of arterial segments. RESULTS Oxytocin receptor mRNA was expressed in rat trigeminal ganglia and the receptor protein was localized in numerous small to medium-sized neurons and thick axons characteristic of A∂ sensory fibers. Double immunohistochemistry revealed only a small number of neurons expressing both oxytocin receptors and calcitonin gene-related peptide. In contrast, double immunostaining showed expression of the calcitonin gene-related peptide receptor component receptor activity-modifying protein 1 and oxytocin receptors in 23% of the small cells and in 47% of the medium-sized cells. Oxytocin immunofluorescence was observed only in trigeminal ganglia satellite glial cells. Oxytocin mRNA was below detection limit in the trigeminal ganglia. The trigeminal nucleus caudalis expressed mRNA for both oxytocin and its receptor. K+-evoked calcitonin gene-related peptide release from either isolated trigeminal ganglia or dura mater and it was not significantly affected by oxytocin (10 µM). Oxytocin directly constricted cranial arteries ex vivo (pEC50 ∼ 7); however, these effects were inhibited by the vasopressin V1A antagonist SR49059. CONCLUSION Oxytocin receptors are extensively expressed throughout the rat trigeminovascular system and in particular in trigeminal ganglia A∂ neurons and fibers, but no functional oxytocin receptors were demonstrated in the dura and cranial arteries. Thus, circulating oxytocin may act on oxytocin receptors in the trigeminal ganglia to affect nociception transmission. These effects may help explain hormonal influences in migraine and offer a novel way for treatment.
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Affiliation(s)
- Karin Warfvinge
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden
| | - Diana N Krause
- Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden.,Department of Pharmaceutical Sciences, College of Health Sciences, University of California at Irvine, Irvine, CA, USA
| | - Aida Maddahi
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark
| | - Anne-Sofie Grell
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark
| | - Jacob Ca Edvinsson
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark.,Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Kristian A Haanes
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark
| | - Lars Edvinsson
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet, Glostrup, Denmark.,Division of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden
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86
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De Matteis E, Guglielmetti M, Ornello R, Spuntarelli V, Martelletti P, Sacco S. Targeting CGRP for migraine treatment: mechanisms, antibodies, small molecules, perspectives. Expert Rev Neurother 2020; 20:627-641. [PMID: 32434430 DOI: 10.1080/14737175.2020.1772758] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Calcitonin Gene-Related Peptide (CGRP) has gradually emerged as a suitable therapeutic target to treat migraine. Considering the social and economic burden of migraine, it is fundamental to optimize the disease management with efficacious and safe treatments. In this scenario, drugs targeting GCRP, monoclonal antibodies (MoAbs) and gepants, represent new therapeutic strategies. AREAS COVERED In the present work, the authors aim at appraising the main insights and implications of treatments targeting CGRP by reviewing pathophysiology and clinical information. EXPERT OPINION Anti-CGRP MoAbs are the first migraine-specific preventive treatments representing a suitable option especially for difficult-to-treat patients. They can be safely administered for long periods even in association with preventatives acting on different targets. Gepants are a safe alternative to triptans for the acute management of migraine and are currently being tested for prevention, thus representing the first transitional molecules for disease therapy. In the future, it might be possible to adapt the treatment according to patients' characteristics and disease phenotype even combining the two treatments targeting the CGRP pathway.
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Affiliation(s)
- Eleonora De Matteis
- Neuroscience Section, Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila , L'Aquila, Italy.,Regional Referral Headache Center of the Abruzzo Region, ASL Avezzano-Sulmona-L'Aquila , L'Aquila, Italy
| | - Martina Guglielmetti
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy.,Regional Referral Headache Center of the Lazio Region, Sant'Andrea Hospital , Rome, Italy
| | - Raffaele Ornello
- Neuroscience Section, Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila , L'Aquila, Italy.,Regional Referral Headache Center of the Abruzzo Region, ASL Avezzano-Sulmona-L'Aquila , L'Aquila, Italy
| | - Valerio Spuntarelli
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy.,Regional Referral Headache Center of the Lazio Region, Sant'Andrea Hospital , Rome, Italy
| | - Paolo Martelletti
- Department of Clinical and Molecular Medicine, Sapienza University of Rome , Rome, Italy.,Regional Referral Headache Center of the Lazio Region, Sant'Andrea Hospital , Rome, Italy
| | - Simona Sacco
- Neuroscience Section, Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila , L'Aquila, Italy.,Regional Referral Headache Center of the Abruzzo Region, ASL Avezzano-Sulmona-L'Aquila , L'Aquila, Italy
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87
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Urits I, Clark G, An D, Wesp B, Zhou R, Amgalan A, Berger AA, Kassem H, Ngo AL, Kaye AD, Kaye RJ, Cornett EM, Viswanath O. An Evidence-Based Review of Fremanezumab for the Treatment of Migraine. Pain Ther 2020; 9:195-215. [PMID: 32222952 PMCID: PMC7203396 DOI: 10.1007/s40122-020-00159-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 11/27/2022] Open
Abstract
Migraine headache is a common, chronic, debilitating disease with a complex etiology. Current therapy for migraine headache comprises either treatments targeting acute migraine pain or prophylactic therapy aimed at increasing the length of time between migraine episodes. Recent evidence suggests that calcium gene-related peptide (CGRP) is a critical component in the pathogenesis of migraines. Fremanezumab, a monoclonal antibody against CGRP, was recently approved by the Food and Drug Administration (FDA) after multiple studies showed that it was well-tolerated, safe, and effective in the treatment of migraines. Further research is needed to elucidate the long-term effects of fremanezumab and CGRP-antagonists in general, and additional data is required in less healthy patients to estimate its effects in these populations and potentially increase the eligible group of recipients. This is a comprehensive review of the current literature on the efficacy and safety of fremanezumab for the treatment of chronic migraine. In this review we provide an update on the epidemiology, pathogenesis, diagnosis, and current treatment of migraine, and summarize the evidence for fremanezumab as a treatment for migraine.
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Affiliation(s)
- Ivan Urits
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Harvard Medical School, Boston, MA, USA.
| | - Gavin Clark
- Georgetown University School of Medicine, Washington, DC, USA
| | - Daniel An
- Georgetown University School of Medicine, Washington, DC, USA
| | - Bredan Wesp
- Georgetown University School of Medicine, Washington, DC, USA
| | - Rebecca Zhou
- Georgetown University School of Medicine, Washington, DC, USA
| | | | - Amnon A Berger
- Beth Israel Deaconess Medical Center, Department of Anesthesiology, Critical Care, and Pain Medicine, Harvard Medical School, Boston, MA, USA
| | - Hisham Kassem
- Department of Anesthesiology, Mount Sinai Medical Center, Miami Beach, FL, USA
| | - Anh L Ngo
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, MA, USA
- Department of Pain Medicine, Pain Specialty Group, Newington, NH, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, USA
| | - Rachel J Kaye
- Medical University of South Carolina, Charleston, SC, USA
| | - Elyse M Cornett
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, USA
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants - Envision Physician Services, Phoenix, AZ, USA
- Department of Anesthesiology, Creighton University School of Medicine, Omaha, NE, USA
- Department of Anesthesiology, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, USA
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88
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Andreou AP, Fuccaro M, Lambru G. The role of erenumab in the treatment of migraine. Ther Adv Neurol Disord 2020; 13:1756286420927119. [PMID: 32523630 PMCID: PMC7257830 DOI: 10.1177/1756286420927119] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 04/23/2020] [Indexed: 01/03/2023] Open
Abstract
Calcitonin gene related peptide (CGRP) monoclonal antibodies (mAbs) have been the
first class of specifically developed preventive treatments for migraine.
Clinical trials data suggest superiority of the CGRP mAbs to placebo in terms of
prevention of migraine symptoms, migraine-specific quality of life and headache
related disability. Treatment-related side effects overall did not differ
significantly from placebo and discontinuation rate due to side effects has been
low across the clinical trials, perhaps in view of their peripheral mode of
action. Along with their route and frequency of administration, these novel
class of drugs may constitute an improvement compared with the established
arsenal of migraine treatments. Erenumab is a fully human antibody and the only
mAb acting on the CGRP pathway by blocking its receptor. It is the first of the
CGRP mAb class approved by the US Food and Drug Administration (May 2018) and
the European Medicines Agency (July 2018). Erenumab exists in two different
doses (70 mg and 140 mg) and it is administered with monthly subcutaneous
injections. This review summarises erenumab pharmacological characteristics,
clinical trials data, focusing on the potential role of this treatment in
clinical practice.
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Affiliation(s)
- Anna P Andreou
- The Headache Service, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Matteo Fuccaro
- Department of Neurology, Treviso Hospital, Treviso, Italy
| | - Giorgio Lambru
- The Headache Service, Guy's and St Thomas' NHS Foundation Trust, Westminster Bridge Road, London, SE1 7EH, UK
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89
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Pellesi L, Do TP, Ashina H, Ashina M, Burstein R. Dual Therapy With Anti-CGRP Monoclonal Antibodies and Botulinum Toxin for Migraine Prevention: Is There a Rationale? Headache 2020; 60:1056-1065. [PMID: 32437038 DOI: 10.1111/head.13843] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/29/2020] [Accepted: 04/29/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVE To narratively review the pathophysiological rationale of dual therapy with anti-calcitonin gene-related peptide monoclonal antibodies and botulinum toxin type A in treatment-resistant chronic migraine prevention. BACKGROUND For the prevention of chronic migraine, several pharmacological therapies are available, including oral medications, botulinum toxin type A, and the newly approved monoclonal antibodies targeting calcitonin gene-related peptide or its receptor. However, monotherapy does not yield benefits in some affected individuals, which raises the question of whether dual therapy with monoclonal antibodies and botulinum toxin type A hold promise in patients with treatment-resistant chronic migraine. METHOD We searched MEDLINE for articles published from database inception to December 31st, 2019. Publications were largely selected from the past 10 years but commonly referenced and highly regarded older publications were not excluded. RESULTS Preclinical data suggest that anti-calcitonin gene-related peptide monoclonal antibodies and botulinum toxin type A have synergistic effects within the trigeminovascular system. Of note, findings indicate that fremanezumab - an antibody targeting the calcitonin gene-related peptide - mainly prevents the activation of Aδ-fibers, whereas botulinum toxin type A prevents the activation of C-fibers. CONCLUSION There is currently only indirect preclinical evidence to support a rationale for dual therapy with anti-calcitonin gene-related peptide monoclonal antibodies and botulinum toxin type A for chronic migraine prevention. Rigorous studies evaluating clinical efficacy, safety, and cost-effectiveness are needed.
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Affiliation(s)
- Lanfranco Pellesi
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Thien P Do
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Håkan Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
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90
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Cavestro C, Ferrero M, Mandrino S, Di Tavi M, Rota E. Novelty in Inflammation and Immunomodulation in Migraine. Curr Pharm Des 2020; 25:2919-2936. [PMID: 31686633 DOI: 10.2174/1381612825666190709204107] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 06/30/2019] [Indexed: 02/06/2023]
Abstract
BACKGROUND Migraine is a diffuse and disabling disease. Its pathophysiology is complex and involves both central and peripheral dysfunctions. OBJECTIVE This review will discuss the pathogenesis of migraine from the origin of the neuro-inflammatory theory, to the modern pathophysiological model and the latest therapies. METHODS PUBMED and EMBASE (up to May 2019) were searched for: migraine, inflammation, immunomodulation. An additional search was carried out from the bibliography of previous review articles. RESULTS Migraine was thought to be mainly a vascular disorder, according to the so-called "vascular theory". Based on animal models, a new hypothesis called "the neuro-inflammatory" was conceived at the end of the 20th century. The growing knowledge about the trigeminovascular system and its role in the inflammatory-pain pathway, allowed to identify other specific neurotransmitters, such as the Calcitonin Gene-Related Peptide and Pituitary Adenylate Cyclase-Activating Peptide. Evidence was provided that the inflammatory-pain system could become sensitised and, due to this sensitisation, the pain could also perpetuate, even in the absence of any triggers of the migraine attack. At last, brain immune cells modification during cortical spreading depression in migraine was demonstrated, along with the existence and function of the glymphatic system. The better comprehension of the immune system abnormalities allowed the development of new immunomodulating drugs: the monoclonal antibodies against the CGRP or the CGRP receptor. Moreover, new insights into the molecular mechanism of CGRP, and the function of C-fibres and Aδ-fibres, highlighted the mechanism of action of Botulinum Toxin type A in the treatment of chronic migraine.
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Affiliation(s)
- Cinzia Cavestro
- Department of Neurology, Headache Centre, ASL CN2, Alba, Italy
| | | | - Silvia Mandrino
- Department of Neurology, Headache Centre, ASL CN2, Alba, Italy
| | - Marco Di Tavi
- Department of Neurology, Headache Centre, ASL CN2, Alba, Italy
| | - Eugenia Rota
- Neurology Unit, San Giacomo Hospital, Novi Ligure, ASL AL, Italy
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91
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Diener HC, Förderreuther S, Gaul C, Giese F, Hamann T, Holle-Lee D, Jürgens TP, Kamm K, Kraya T, Lampl C, May A, Reuter U, Scheffler A, Tfelt-Hansen P. Prevention of migraine with monoclonal antibodies against CGRP or the CGRP receptor: Addition to the S1 guideline: Therapy of migraine attacks and prevention of migraine. Recommendations of the Germany Society of Neurology and the German Migraine and Headache Society. Neurol Res Pract 2020; 2:11. [PMID: 33324917 PMCID: PMC7650107 DOI: 10.1186/s42466-020-00057-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Monoclonal antibodies against the calcitonin gene-related peptide (CGRP) receptor (Erenumab) or against CGRP (Eptinezumab, Fremanezumab, Galcanezumab) are new substances for the preventive treatment of migraine. They represent an extension of the therapeutic options, which already exist in migraine prevention. In randomized, placebo-controlled studies, the efficacy and good tolerability of these specific substances have been demonstrated in patients with episodic and chronic migraine. The following treatment recommendation presents a summary of the pivotal studies. Recommendations are provided for the targeted selection of patients as well as for the evaluation of therapeutic success and the duration of treatment. Finally, possible restrictions on the use of this new substance group are discussed. This guideline is an abridged and translated version of the guideline published by Diener H-C, May A et al., Prevention of migraine with monoclonal antibodies against CGRP or the CGRP receptor, Supplement to S1 Guideline Therapy of Migraine Attack and Prevention of Migraine, 2019, Deutsche Gesellschaft für Neurologie (eds.), Guidelines for Diagnostics and Therapy in Neurology. A complete version of this guideline can be found on the website of the Deutsche Gesellschaft für Neurologie (www.dgn.org/leitlinien) and the AWMF (Arbeitsgemeinschaft wissenschaftlicher Medizinischer Gesellschaften). This guideline has been approved by the German Neurological Society (DGN) and the German Migraine and Headache Society (GMHS) and was reviewed by the two societies.
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Affiliation(s)
- Hans-Christoph Diener
- Medizinische Fakultät der Universität Duisburg-Essen, Institut für Medizinische Informatik, Biometrie und Epidemiologie (IMIBE), Hufelandstr. 26, 45147 Essen, Germany
| | - Stefanie Förderreuther
- Neurologische Klinik, Ludwig-Maximilians-Universität München, Klinikum Großhadern, Marchioninistr. 15, 81377 Munich, Germany
| | - Charly Gaul
- Migräne- und Kopfschmerzklinik Königstein, Ölmühlweg 31, 61462 Königstein im Taunus, Germany
| | - Florian Giese
- Klinik und Poliklinik für Neurologie, Universitätsklinikum Halle, Gütchenstr. 14, 06108 Halle, Germany
| | - Till Hamann
- Klinik und Poliklinik für Neurologie und Kopfschmerzzentrum Nord-Ost, Universitätsmedizin Rostock, Gehlsheimer Str. 20, 18147 Rostock, Germany
| | - Dagny Holle-Lee
- Klinik für Neurologie und Westdeutsches Kopfschmerzzentrum Universitätsklinikum Essen, Hufelandstr. 55, 45147 Essen, Germany
| | - Tim P Jürgens
- Klinik und Poliklinik für Neurologie und Kopfschmerzzentrum Nord-Ost, Universitätsmedizin Rostock, Gehlsheimer Str. 20, 18147 Rostock, Germany
| | - Katharina Kamm
- Neurologische Klinik, Ludwig-Maximilians-Universität München, Klinikum Großhadern, Marchioninistr. 15, 81377 Munich, Germany
| | - Torsten Kraya
- Klinik für Neurologie, Klinikum St. Georg Leipzig, Delitzscher Str. 141, 04129 Leipzig, Germany
| | - Christian Lampl
- Akutgeriatrie und Remobilisation, Kopfschmerzzentrum Seilerstätte, Ordensklinikum Linz Barmherzige Schwestern, Seilerstätte 4, A-4010 Linz, Austria
| | - Arne May
- Institut für Systemische Neurowissenschaften, Universitätsklinikum Hamburg-Eppendorf (UKE), Gebäude W34, 3. Stock, Martinistraße 52, 20246 Hamburg, Germany
| | - Uwe Reuter
- Kopfschmerzzentrum, Charité Universitätsmedizin Berlin, Charitéplatz 1, 10117 Berlin, Germany
| | - Armin Scheffler
- Klinik für Neurologie, Universitätsklinikum Essen, Hufelandstr. 55, 45147 Essen, Germany
| | - Peer Tfelt-Hansen
- Department of Neurology, Danish Headache Center, Rigshospitalet-Glostrup Hospital, University Hospital of Copenhagen, Glostrup Hospital, Ringvejen, DK-2600 Glostrup, Denmark
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92
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Persistent Post-Traumatic Headache and Migraine: Pre-Clinical Comparisons. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17072585. [PMID: 32283843 PMCID: PMC7177371 DOI: 10.3390/ijerph17072585] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/31/2020] [Accepted: 04/08/2020] [Indexed: 12/21/2022]
Abstract
Background: Oftentimes, persistent post traumatic headache (PPTH) and migraine are phenotypically similar and the only clinical feature that differentiate them is the presence of a mild or moderate traumatic brain injury (mTBI). The aim of this study is to describe the differences in brain area and in biochemical cascade after concussion and to define the efficacy and safety of treatments in use. Methods: Sources were chosen in according to the International Classification of Headache Disorder (ICHD) criteria. Results: The articles demonstrated a significant difference between PPTH and migraine regarding static functional connectivity (sFC) and dynamic functional connectivity (dFC) in brain structure that could be used for exploring the pathophysiological mechanisms in PPTH. Many studies described a cascade of neuro-metabolic changes that occur after traumatic brain injury. These variations are associated to the mechanism occurring when developing a PPTH. Conclusions: The state of art of this important topic show how although the mechanisms underlying the development of the two different diseases are different, the treatment of common migraine is efficacious in patients that have developed a post traumatic form.
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93
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Falkenberg K, Rønde Bjerg H, Yamani N, Olesen J. Sumatriptan Does Not Antagonize CGRP‐Induced Symptoms in Healthy Volunteers. Headache 2020; 60:665-676. [DOI: 10.1111/head.13747] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/16/2019] [Indexed: 01/03/2023]
Affiliation(s)
- Katrine Falkenberg
- Danish Headache Centre Department of Neurology Rigshospitalet Glostrup University of Copenhagen Copenhagen Denmark
| | - Helene Rønde Bjerg
- Danish Headache Centre Department of Neurology Rigshospitalet Glostrup University of Copenhagen Copenhagen Denmark
| | - Nooshin Yamani
- Danish Headache Centre Department of Neurology Rigshospitalet Glostrup University of Copenhagen Copenhagen Denmark
| | - Jes Olesen
- Danish Headache Centre Department of Neurology Rigshospitalet Glostrup University of Copenhagen Copenhagen Denmark
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Jakate A, Boinpally R, Butler M, Lu K, McGeeney D, Periclou A. Single Therapeutic and Supratherapeutic Doses of Ubrogepant Do Not Affect Cardiac Repolarization in Healthy Adults: Results From a Randomized Trial. Clin Pharmacol Ther 2020; 107:1014-1022. [PMID: 31628854 PMCID: PMC7158215 DOI: 10.1002/cpt.1696] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 09/27/2019] [Indexed: 01/09/2023]
Abstract
Ubrogepant is a novel, oral calcitonin gene-related peptide receptor antagonist currently under US Food and Drug Administration (FDA) review for the acute treatment of migraine attacks. This double-blind, four-period crossover study compared the cardiac repolarization effect of therapeutic (100 mg) and supratherapeutic (400 mg) ubrogepant doses vs. placebo in healthy adults. Moxifloxacin 400 mg was used as an open-label active control, and the primary end point was change from baseline in Fridericia-corrected QT intervals (ΔQTcF). Assay sensitivity was demonstrated via statistically significant QTcF prolongation with moxifloxacin vs. placebo. After single oral doses of ubrogepant, the least squares mean placebo-corrected ΔQTcF (ΔΔQTcF) and 90% confidence intervals (CIs) did not exceed the 10-millisecond regulatory threshold at any timepoint. The 90% CI upper bounds were 2.46 milliseconds and 2.69 milliseconds for ubrogepant 100 and 400 mg, respectively. Categorical and concentration-based analyses were consistent with the primary result, showing no significant impact of ubrogepant on cardiac repolarization.
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95
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Cross-talk signaling in the trigeminal ganglion: role of neuropeptides and other mediators. J Neural Transm (Vienna) 2020; 127:431-444. [PMID: 32088764 PMCID: PMC7148261 DOI: 10.1007/s00702-020-02161-7] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 02/12/2020] [Indexed: 11/08/2022]
Abstract
The trigeminal ganglion with its three trigeminal nerve tracts consists mainly of clusters of sensory neurons with their peripheral and central processes. Most neurons are surrounded by satellite glial cells and the axons are wrapped by myelinating and non-myelinating Schwann cells. Trigeminal neurons express various neuropeptides, most notably, calcitonin gene-related peptide (CGRP), substance P, and pituitary adenylate cyclase-activating polypeptide (PACAP). Two types of CGRP receptors are expressed in neurons and satellite glia. A variety of other signal molecules like ATP, nitric oxide, cytokines, and neurotrophic factors are released from trigeminal ganglion neurons and signal to neighboring neurons or satellite glial cells, which can signal back to neurons with same or other mediators. This potential cross-talk of signals involves intracellular mechanisms, including gene expression, that can modulate mediators of sensory information, such as neuropeptides, receptors, and neurotrophic factors. From the ganglia cell bodies, which are outside the blood–brain barrier, the mediators are further distributed to peripheral sites and/or to the spinal trigeminal nucleus in the brainstem, where they can affect neural transmission. A major question is how the sensory neurons in the trigeminal ganglion differ from those in the dorsal root ganglion. Despite their functional overlap, there are distinct differences in their ontogeny, gene expression, signaling pathways, and responses to anti-migraine drugs. Consequently, drugs that modulate cross-talk in the trigeminal ganglion can modulate both peripheral and central sensitization, which may potentially be distinct from sensitization mediated in the dorsal root ganglion.
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96
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Edvinsson L, Grell AS, Warfvinge K. Expression of the CGRP Family of Neuropeptides and their Receptors in the Trigeminal Ganglion. J Mol Neurosci 2020; 70:930-944. [PMID: 32086679 PMCID: PMC7253526 DOI: 10.1007/s12031-020-01493-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 01/30/2020] [Indexed: 01/05/2023]
Abstract
The calcitonin gene-related peptide (CGRP) family of neuropeptides, consists of CGRP, adrenomedullin, amylin, and calcitonin. The receptors consist of either calcitonin receptor-like receptor (CLR) or calcitonin receptor (CTR) which for function needs an accessory protein, receptor activity-modifying proteins (RAMPs). CGRP has a pivotal role in primary headaches but the role of the other members of the CGRP family of peptides in headaches is not known. Here, we describe the expression of these molecules in the trigeminal ganglion (TG) to understand more on their possible role(s). Single or double immunohistochemistry were applied on frozen sections of rat TG using primary antibodies against CGRP, procalcitonin, calcitonin, adrenomedullin, amylin, RAMP1/2/3, CLR, and CTR. In addition, mRNA expression was measured by quantitative qPCR on TGs. CGRP and calcitonin showed rich expression in the cytoplasm of small to medium-sized neurons, and co-localized sometimes. Procalcitonin was observed in the glial cells. Immunoreactive fibers storing both CGRP and calcitonin were also observed. Adrenomedullin immunoreactivity was found in the satellite glial cells and in fibers, probably the myelinating Schwann cells. Amylin was found in the cytoplasm in many TG neurons. Levels of mRNA expression for adrenomedullin, amylin, CLR, RAMP1, RAMP2, RAMP3, and CTR were measured using qPCR. The experiments verified the expression of mRNA in the TG with the exception of CTR, which was above the limit of detection indicating little or no mRNA expression. In addition to the well-known CGRP receptor (CLR/RAMP1) and the receptor for calcitonin—CTR, we propose that other receptors exist in the rat TG: adrenomedullin receptor AM2 (CLR/RAMP3) in mainly the satellite glial cells, amylin receptors AMY1 (CTR/RAMP1) in mainly neurons, and AMY3 (CTR/RAMP3) in the satellite glial cells. It is important to compare peptides and receptors side-by-side in studies to help address questions of actions resulting from cross-reactivity between receptors. Several of the diverse biological actions of the CGRP family of peptides are clinically relevant. Our findings demonstrate the specific ligand and receptor sites in the rat trigeminal ganglion, highlighting recognition mechanisms to facilitate drug development.
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Affiliation(s)
- Lars Edvinsson
- Department of Internal Medicine, Lund University Hospital, Lund, Sweden.,Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet Glostrup Hospital, Copanhagen, Denmark
| | - Anne-Sofie Grell
- Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet Glostrup Hospital, Copanhagen, Denmark
| | - Karin Warfvinge
- Department of Internal Medicine, Lund University Hospital, Lund, Sweden. .,Department of Clinical Experimental Research, Glostrup Research Institute, Rigshospitalet Glostrup Hospital, Copanhagen, Denmark.
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97
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Wattiez AS, Sowers LP, Russo AF. Calcitonin gene-related peptide (CGRP): role in migraine pathophysiology and therapeutic targeting. Expert Opin Ther Targets 2020; 24:91-100. [PMID: 32003253 DOI: 10.1080/14728222.2020.1724285] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction: The neuropeptide calcitonin gene-related peptide (CGRP) is recognized as a critical player in migraine pathophysiology. Excitement has grown regarding CGRP because of the development and clinical testing of drugs targeting CGRP or its receptor. While these drugs alleviate migraine symptoms in half of the patients, the remaining unresponsive half of this population creates an impetus to address unanswered questions that exist in this field.Areas covered: We describe the role of CGRP in migraine pathophysiology and CGRP-targeted therapeutics currently under development and in use. We also discuss how a second CGRP receptor may provide a new therapeutic target.Expert opinion: CGRP-targeting drugs have shown a remarkable safety profile. We speculate that this may reflect the redundancy of peptides within the CGRP family and a second CGRP receptor that may compensate for reduced CGRP activity. Furthermore, we propose that an inherent safety feature of peptide-blocking antibodies is attributed to the fundamental nature of peptide release, which occurs as a large bolus in short bursts of volume transmission. These facts support the development of more refined CGRP therapeutic drugs, as well as drugs that target other neuropeptides. We believe that the future of migraine research is bright with exciting advances on the horizon.
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Affiliation(s)
- Anne-Sophie Wattiez
- Department of Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,VA Center for the Prevention and Treatment of Visual Loss, VA Medical Center, Iowa City, IA, USA
| | - Levi P Sowers
- Department of Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,VA Center for the Prevention and Treatment of Visual Loss, VA Medical Center, Iowa City, IA, USA
| | - Andrew F Russo
- Department of Physiology and Biophysics, University of Iowa, Iowa City, IA, USA.,VA Center for the Prevention and Treatment of Visual Loss, VA Medical Center, Iowa City, IA, USA.,Department of Neurology, University of Iowa, Iowa City, IA, USA
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98
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Dodick DW, Goadsby PJ, Lucas C, Jensen R, Bardos JN, Martinez JM, Zhou C, Aurora SK, Yang JY, Conley RR, Oakes T. Phase 3 randomized, placebo-controlled study of galcanezumab in patients with chronic cluster headache: Results from 3-month double-blind treatment. Cephalalgia 2020; 40:935-948. [PMID: 32050782 PMCID: PMC7787002 DOI: 10.1177/0333102420905321] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Objective To report efficacy and safety of galcanezumab in adults with chronic cluster headache. Background Galcanezumab is a humanized monoclonal antibody that binds to calcitonin gene-related peptide and inhibits its biological activity. Methods This study comprised a prospective baseline period, a 12-week double-blind, placebo-controlled treatment period, and a 52-week open-label period. Up to six protocol-specified concomitant preventive medications were allowed if patients were on a stable dose for 2 months prior to the prospective baseline period. Patients were randomized 1:1 to monthly subcutaneous galcanezumab (300 mg) or placebo. The primary endpoint was overall mean change from baseline in weekly attack frequency with galcanezumab compared to placebo. Key secondary endpoints were ≥50% response rate and percentage of patients meeting sustained response. Results from the double-blind treatment period are reported. Results A total of 237 patients were randomized and treated (120 placebo; 117 galcanezumab). At baseline, the mean age was 45 years and 63% were using ≥1 preventive drug. The primary endpoint was not met; mean change in weekly attack frequency was −4.6 placebo versus −5.4 galcanezumab (p = 0.334). Key secondary endpoints also were not met. Injection site-related treatment-emergent adverse events were more common in the galcanezumab than the placebo group, with significantly more injection site erythema. Conclusion Treatment with galcanezumab 300 mg did not achieve its primary and key secondary endpoints. This study underscores the potential distinct biology of cCH as well as the significant unmet need for safe, effective, and well-tolerated preventive treatment. The safety profile of galcanezumab in cCH is consistent with that observed in trials of episodic CH and migraine. Trial registration NCT02438826; https://www.clinicaltrials.gov/ct2/show/NCT02438826.
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Affiliation(s)
| | - Peter J Goadsby
- NIHR-Wellcome Trust King's Clinical Research Facility, King's College London, London, UK.,Department of Neurology, University of California, San Francisco, CA, USA
| | - Christian Lucas
- Pain Clinic, Department of Neurosurgery, Hôpital Salengro, CHU de Lille, Lille, France
| | - Rigmor Jensen
- Danish Headache Center, Rigshospitalet-Glostrup, Glostrup, Denmark
| | - Jennifer N Bardos
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
| | - James M Martinez
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
| | - Chunmei Zhou
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
| | - Sheena K Aurora
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
| | - Jyun Yan Yang
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
| | - Robert R Conley
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA.,University of Maryland School of Medicine, Baltimore, MD, USA
| | - Tina Oakes
- Eli Lilly and Company, Lilly Corporate Center, Indianapolis, IN, USA
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99
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Diener HC, Förderreuther S, Gaul C, Giese F, Hamann T, Holle-Lee D, Jürgens TP, Kamm K, Kraya T, Lampl C, May A, Reuter U, Scheffler A, Tfelt-Hansen P. Prophylaxe der Migräne mit monoklonalen Antikörpern gegen CGRP oder den CGRP-Rezeptor, Ergänzung der S1-Leitlinie Therapie der Migräneattacke und Prophylaxe der Migräne. ACTA ACUST UNITED AC 2020. [DOI: 10.1007/s42451-020-00163-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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100
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Arca K, Reynolds J, Sands KA, Shiue HJ. Calcitonin Gene-Related Peptide Antagonists for the Prevention of Migraine: Highlights From Pivotal Studies and the Clinical Relevance of This New Drug Class. Ann Pharmacother 2020; 54:795-803. [DOI: 10.1177/1060028020903417] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
Objective: To review the new drug class of calcitonin gene-related peptide antagonists (monoclonal antibodies) and their clinical relevance in migraine prophylaxis. Data Sources: A literature search was performed in PubMed (January 2009 to November 2019) using the terms migraine, calcitonin gene-related peptide (CGRP), erenumab, fremanezumab, and galcanezumab for clinical trials and studies. Study Selection and Data Extraction: Reports from human studies in English were evaluated for clinical evidence supporting pharmacology, efficacy, and adverse events. Initial pharmacokinetic and preclinical studies were excluded. Data Synthesis: In chronic and episodic migraine, prophylaxis with injections of monoclonal antibodies antagonizing CGRP reduced monthly migraine days with minimal clinically significant adverse events. In addition, there is evidence supporting efficacy in refractory migraine despite optimal prophylaxis. Relevance to Patient Care and Clinical Practice: This is the first target-specific migraine prophylaxis treatment to show efficacy with minimal adverse effects. A higher drug cost is a barrier but is balanced by improved quality of life. Current therapies have limited efficacy and tolerability because of poor side effect profiles. CGRP antagonists represent a shift to more precise migraine treatments. Conclusions: Monoclonal antibodies inhibiting CGRP are effective in migraine prophylaxis with minimal adverse effects. Targeting CGRP is a novel clinical strategy in managing migraine.
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Affiliation(s)
- Karissa Arca
- Department of Neurology, Mayo Clinic Arizona, Scottsdale, AZ, USA
| | - Jenna Reynolds
- Department of Pharmacy, Mayo Clinic Hospital, Phoenix, AZ, USA
| | - Kara A. Sands
- Department of Neurology, Mayo Clinic Arizona, Scottsdale, AZ, USA
| | - Harn J. Shiue
- Department of Pharmacy, Mayo Clinic Hospital, Phoenix, AZ, USA
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