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Ceren Akgör M, Ekizoğlu E, Özge A. Dairy and Headaches: What is the Connection? Curr Pain Headache Rep 2024:10.1007/s11916-024-01303-w. [PMID: 39066996 DOI: 10.1007/s11916-024-01303-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2024] [Indexed: 07/30/2024]
Abstract
PURPOSE OF REVIEWS Headaches represent a prevalent and burdensome health condition, affecting individuals of all ages worldwide. While dietary factors have been implicated in headache pathophysiology, the association between dairy consumption and headaches remains controversial and inadequately understood. This comprehensive review systematically examines the existing literature to elucidate the relationship between dairy intake and headaches, addressing methodological challenges, potential biases, and gaps in the current knowledge. RECENT FINDINGS A thorough search of electronic databases identified relevant observational studies, clinical trials, and mechanistic investigations exploring the impact of dairy consumption on headache incidence, frequency, severity, and duration. Methodological considerations, including study design, measurement of exposure and outcome variables, confounding factors, and sources of bias, were critically evaluated to assess the strength of evidence and validity of findings. Despite heterogeneity across studies, emerging evidence suggests a complex and multifaceted relationship between dairy intake and headaches, influenced by individual characteristics, dietary patterns, headache subtype, and study context. While some studies report a positive association between dairy consumption and headaches, others indicate no significant effect or potential therapeutic benefits of dairy restriction. Mechanistic insights suggest plausible biological mechanisms, including neuroinflammatory pathways, neurotransmitter modulation, vascular effects, and gut-brain interactions, which may mediate the observed associations. Future research directions encompass longitudinal studies, mechanistic investigations, stratified analyses, randomized controlled trials, and exploration of the gut microbiota to further elucidate the underlying mechanisms and inform evidence-based dietary recommendations for headache management. This integrative review underscores the importance of interdisciplinary collaboration and personalized approaches to address the complex interplay between diet, headaches, and overall health.
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Affiliation(s)
- Merve Ceren Akgör
- Department of Neurology, University of Health Sciences Ankara Atatürk Sanatoryum Training and Research Hospital, Ankara, Turkey
- Neuroscience and Neurotechnology Center of Excellence (NÖROM), Gazi University, Ankara, Turkey
| | - Esme Ekizoğlu
- Istanbul Faculty of Medicine, Department of Neurology, Istanbul University, Istanbul, Turkey
| | - Aynur Özge
- Department of Neurology, School of Medicine, Mersin University, Mersin, Turkey.
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2
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Barbanti P, Aurilia C, Egeo G, Proietti S, D'Onofrio F, Torelli P, Aguggia M, Bertuzzo D, Finocchi C, Trimboli M, Cevoli S, Fiorentini G, Orlando B, Zucco M, Di Clemente L, Cetta I, Colombo B, di Poggio MLB, Favoni V, Grazzi L, Salerno A, Carnevale A, Robotti M, Frediani F, Altamura C, Filippi M, Vernieri F, Bonassi S. Ultra-late response (> 24 weeks) to anti-CGRP monoclonal antibodies in migraine: a multicenter, prospective, observational study. J Neurol 2024; 271:2434-2443. [PMID: 38231271 PMCID: PMC11055785 DOI: 10.1007/s00415-023-12103-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 01/18/2024]
Abstract
OBJECTIVE Nearly 60% of migraine patients treated with monoclonal antibodies (mAbs) targeting the calcitonin gene-related peptide (CGRP) pathway experience a ≥ 50% reduction in monthly migraine days (MMD) at 12 weeks compared to baseline (responders). However, approximately half of the patients not responding to anti-CGRP mAbs ≤ 12 weeks do respond ≤ 24 weeks (late responders). We assessed frequency and characteristics of patients responding to anti-CGRP mAbs only > 24 weeks (ultra-late responders). METHODS In this multicenter (n = 16), prospective, observational, real-life study, we enrolled all consecutive adults affected by high-frequency episodic migraine (HFEM: ≥ 8 days/month) or chronic migraine (CM), with ≥ 3 prior therapeutic failures, treated with any anti-CGRP mAbs for ≥ 48 weeks. We defined responders patients with a ≥ 50% response rate ≤ 12 weeks, late responders those with a ≥ 50% response rate ≤ 24 weeks, and ultra-late responders those achieving a ≥ 50% response only > 24 weeks. RESULTS A total of 572 migraine patients completed ≥ 48 weeks of anti-CGRP mAbs treatment. Responders accounted for 60.5% (346/572), late responders for 15% (86/572), and ultra-late responders for 15.7% (90/572). Among ultra-late responders, 7.3% (42/572) maintained the ≥ 50% response rate across all subsequent time intervals (weeks 28, 32, 36, 40, 44, and 48) and were considered persistent ultra-late responders, while 8.4% (48/572) missed the ≥ 50% response rate at ≥ 1 subsequent time interval and were classified as fluctuating ultra-late responders. Fifty patients (8.7%) did not respond at any time interval ≤ 48 weeks. Ultra-late responders differed from responders for higher BMI (p = 0.033), longer duration of medication overuse (p < 0.001), lower NRS (p = 0.017) and HIT-6 scores (p = 0.002), higher frequency of dopaminergic symptoms (p = 0.002), less common unilateral pain-either alone (p = 0.010) or in combination with UAS (p = 0.023), allodynia (p = 0.043), or UAS and allodynia (p = 0.012)-a higher number of comorbidities (p = 0.012), psychiatric comorbidities (p = 0.010) and a higher proportion of patients with ≥ 1 comorbidity (p = 0.020). CONCLUSION Two-thirds of patients not responding to anti-CGRP mAbs ≤ 24 weeks do respond later, while non-responders ≤ 48 weeks are quite rare (8.7%). These findings suggest to rethink the duration of migraine prophylaxis and the definition of resistant and refractory migraine, currently based on the response after 2-3 months of treatment.
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Affiliation(s)
- Piero Barbanti
- Headache and Pain Unit, IRCCS San Raffaele Roma, Via Della Pisana 235, 00163, Rome, Italy.
- San Raffaele University, Rome, Italy.
| | - Cinzia Aurilia
- Headache and Pain Unit, IRCCS San Raffaele Roma, Via Della Pisana 235, 00163, Rome, Italy.
| | - Gabriella Egeo
- Headache and Pain Unit, IRCCS San Raffaele Roma, Via Della Pisana 235, 00163, Rome, Italy
| | - Stefania Proietti
- Clinical and Molecular Epidemiology, IRCCS San Raffaele Roma, Rome, Italy
| | - Florindo D'Onofrio
- Headache Center Neurology Unit, San Giuseppe Moscati Hospital, Avellino, Italy
| | - Paola Torelli
- Unit of Neurology, Department of Medicine and Surgery, Headache Center, University of Parma, Parma, Italy
| | | | | | - Cinzia Finocchi
- Divisione di Neurologia, Ospedale San Paolo, ASL 2 Savonese, Savona, Italy
| | | | - Sabina Cevoli
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Giulia Fiorentini
- Headache and Pain Unit, IRCCS San Raffaele Roma, Via Della Pisana 235, 00163, Rome, Italy
| | - Bianca Orlando
- Headache and Pain Unit, IRCCS San Raffaele Roma, Via Della Pisana 235, 00163, Rome, Italy
| | - Maurizio Zucco
- Headache Center, San Camillo-Forlanini Hospital, Rome, Italy
| | | | - Ilaria Cetta
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Bruno Colombo
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | | | - Valentina Favoni
- IRCCS Istituto delle Scienze Neurologiche di Bologna, Bologna, Italy
| | - Licia Grazzi
- Neuroalgology Unit, Headache Center Fondazione, IRCCS Istituto Neurologico"Carlo Besta", Milan, Italy
| | - Antonio Salerno
- Headache Center San Giovanni Addolorata Hospital, Rome, Italy
| | | | | | | | - Claudia Altamura
- Headache and Neurosonology Unit, Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Massimo Filippi
- Neurology Unit, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Fabrizio Vernieri
- Headache and Neurosonology Unit, Policlinico Universitario Campus Bio-Medico, Rome, Italy
| | - Stefano Bonassi
- San Raffaele University, Rome, Italy
- Headache Center Neurology Unit, San Giuseppe Moscati Hospital, Avellino, Italy
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Yeh PK, An YC, Hung KS, Yang FC. Influences of Genetic and Environmental Factors on Chronic Migraine: A Narrative Review. Curr Pain Headache Rep 2024; 28:169-180. [PMID: 38363449 DOI: 10.1007/s11916-024-01228-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/07/2024] [Indexed: 02/17/2024]
Abstract
PURPOSE OF REVIEW In this narrative review, we aim to summarize recent insights into the complex interplay between environmental and genetic factors affecting the etiology, development, and progression of chronic migraine (CM). RECENT FINDINGS Environmental factors such as stress, sleep dysfunction, fasting, hormonal changes, weather patterns, dietary compounds, and sensory stimuli are critical triggers that can contribute to the evolution of episodic migraine into CM. These triggers are particularly influential in genetically predisposed individuals. Concurrently, genome-wide association studies (GWAS) have revealed over 100 genetic loci linked to migraine, emphasizing a significant genetic basis for migraine susceptibility. In CM, environmental and genetic factors are of equal importance and contribute to the pathophysiology of the condition. Understanding the bidirectional interactions between these elements is crucial for advancing therapeutic approaches and preventive strategies. This balanced perspective encourages continued research into the complex gene-environment nexus to improve our understanding and management of CM.
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Affiliation(s)
- Po-Kuan Yeh
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Section 2, Cheng-Kung Road, Neihu 114, No. 325, Taipei, Taiwan
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Beitou Branch, Taipei, Taiwan
| | - Yu-Chin An
- Department of Emergency Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Kuo-Sheng Hung
- Center for Precision Medicine and Genomics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Fu-Chi Yang
- Department of Neurology, Tri-Service General Hospital, National Defense Medical Center, Section 2, Cheng-Kung Road, Neihu 114, No. 325, Taipei, Taiwan.
- Center for Precision Medicine and Genomics, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan.
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Baranoglu Kilinc Y, Torun IE, Kilinc E. D2 dopamine receptor-mediated mechanisms of dopaminergic system modulation in in vivo and in vitro experimental models of migraine. Eur J Neurosci 2024; 59:1177-1193. [PMID: 37539658 DOI: 10.1111/ejn.16106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/12/2023] [Accepted: 07/20/2023] [Indexed: 08/05/2023]
Abstract
The dopaminergic system is implicated in the pathophysiology of migraine. However, the underlying mechanisms remain unclear. We explored the effects and mechanisms of dopaminergic system modulation in the in vivo and in vitro rat models of migraine. Dopaminergic agonist apomorphine, D2 receptor antagonists metoclopramide and haloperidol and 5-HT3 receptor antagonist ondansetron alone and together were tested in nitroglycerin-induced migraine model, in vivo. Likewise, the combinations of drugs were also tested on basal calcitonin gene-related peptide (CGRP) release in vitro hemiskull preparations. Mechanical allodynia was tested by von Frey filaments. CGRP concentrations in trigeminovascular structures and in vitro superfusates and c-Fos levels in the brainstem were determined by enzyme-linked immunosorbent assay. Meningeal mast cells were evaluated with toluidine blue staining. Apomorphine further enhanced nitroglycerin-induced mechanical allodynia, brainstem c-fos expression, trigeminal ganglion and brainstem CGRP concentrations and meningeal mast cell degranulation, in vivo. Haloperidol completely antagonised all apomorphine-induced effects and also alleviated changes induced by nitroglycerin without apomorphine. Metoclopramide and ondansetron partially attenuated apomorphine- or nitroglycerin-induced effects. A combination of haloperidol and ondansetron decreased basal CGRP release, in vitro, whereas the other administrations were ineffective. Apomorphine-mediated dopaminergic activation exacerbated nitroglycerin-stimulated nociceptive reactions by further enhancing c-fos expression, CGRP release and mast cell degranulation in strategical structures associated with migraine pain. Metoclopramide partially attenuated the effects of apomorphine, most likely because it is also a 5-HT3 receptor antagonist. Haloperidol with pure D2 receptor antagonism feature appears to be more effective than metoclopramide in reducing migraine-related parameters in dopaminergic activation- and/or NTG-induced migraine-like conditions.
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Affiliation(s)
| | - Ibrahim Ethem Torun
- Department of Physiology, Medical School, University of Bolu Abant Izzet Baysal, Bolu, Turkey
| | - Erkan Kilinc
- Department of Physiology, Medical School, University of Bolu Abant Izzet Baysal, Bolu, Turkey
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Pleș H, Florian IA, Timis TL, Covache-Busuioc RA, Glavan LA, Dumitrascu DI, Popa AA, Bordeianu A, Ciurea AV. Migraine: Advances in the Pathogenesis and Treatment. Neurol Int 2023; 15:1052-1105. [PMID: 37755358 PMCID: PMC10535528 DOI: 10.3390/neurolint15030067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/28/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023] Open
Abstract
This article presents a comprehensive review on migraine, a prevalent neurological disorder characterized by chronic headaches, by focusing on their pathogenesis and treatment advances. By examining molecular markers and leveraging imaging techniques, the research identifies key mechanisms and triggers in migraine pathology, thereby improving our understanding of its pathophysiology. Special emphasis is given to the role of calcitonin gene-related peptide (CGRP) in migraine development. CGRP not only contributes to symptoms but also represents a promising therapeutic target, with inhibitors showing effectiveness in migraine management. The article further explores traditional medical treatments, scrutinizing the mechanisms, benefits, and limitations of commonly prescribed medications. This provides a segue into an analysis of emerging therapeutic strategies and their potential to enhance migraine management. Finally, the paper delves into neuromodulation as an innovative treatment modality. Clinical studies indicating its effectiveness in migraine management are reviewed, and the advantages and limitations of this technique are discussed. In summary, the article aims to enhance the understanding of migraine pathogenesis and present novel therapeutic possibilities that could revolutionize patient care.
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Affiliation(s)
- Horia Pleș
- Department of Neurosurgery, Centre for Cognitive Research in Neuropsychiatric Pathology (NeuroPsy-Cog), “Victor Babeș” University of Medicine and Pharmacy, 300041 Timișoara, Romania;
| | - Ioan-Alexandru Florian
- Department of Neurosciences, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Teodora-Larisa Timis
- Department of Physiology, “Iuliu Hatieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania
| | - Razvan-Adrian Covache-Busuioc
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
| | - Luca-Andrei Glavan
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
| | - David-Ioan Dumitrascu
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
| | - Andrei Adrian Popa
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
| | - Andrei Bordeianu
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
| | - Alexandru Vlad Ciurea
- Neurosurgery Department, “Carol Davila” University of Medicine and Pharmacy, 020021 București, Romania; (R.-A.C.-B.); (L.-A.G.); (D.-I.D.); (A.A.P.); (A.B.); (A.V.C.)
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Moreau C, El Habnouni C, Lecron JC, Morel F, Delwail A, Le Gall-Ianotto C, Le Garrec R, Misery L, Piver E, Vaillant L, Lefevre A, Emond P, Blasco H, Samimi M. Salivary metabolome indicates a shift in tyrosine metabolism in patients with burning mouth syndrome: a prospective case-control study. Pain 2023; 164:e144-e156. [PMID: 35916738 DOI: 10.1097/j.pain.0000000000002733] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 05/31/2022] [Indexed: 11/25/2022]
Abstract
ABSTRACT The pathophysiology of primary burning mouth syndrome (BMS) remains controversial. Targeted analyses or "omics" approach of saliva provide diagnostic or pathophysiological biomarkers. This pilot study's primary objective was to explore the pathophysiology of BMS through a comparative analysis of the salivary metabolome among 26 BMS female cases and 25 age- and sex-matched control subjects. Secondary objectives included comparative analyses of inflammatory cytokines, neuroinflammatory markers, and steroid hormones among cases and control subjects, and among BMS patients according to their clinical characteristics. Salivary metabolome, neuroinflammatory markers, cytokines, and steroids were, respectively, analysed by liquid chromatography coupled with mass spectrometry, ELISA and protease activity assay, and multiparametric Luminex method. Among the 166 detected metabolites, univariate analysis did not find any discriminant metabolite between groups. Supervised multivariate analysis divided patients into 2 groups with an accuracy of 60% but did not allow significant discrimination (permutation test, P = 0.35). Among the metabolites contributing to the model, 3 belonging to the tyrosine pathway ( l -dopa, l -tyrosine, and tyramine) were involved in the discrimination between cases and control subjects, and among BMS patients according to their levels of pain. Among the detectable molecules, levels of cytokines, steroid hormones, and neuroinflammatory markers did not differ between cases and control subjects and were not associated with characteristics of BMS patients. These results do not support the involvement of steroid hormones, inflammatory cytokines, or inflammatory neurogenic mediators in the pathophysiology of pain in BMS, whereas the observed shift in tyrosine metabolism may indicate an adaptative response to chronic pain or an impaired dopaminergic transmission.
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Affiliation(s)
- Charlotte Moreau
- University François Rabelais, Tours, France
- Department of Dermatology, University Hospital of Tours, Tours Cedex, France
| | - Chakib El Habnouni
- University François Rabelais, Tours, France
- Department of Dermatology, University Hospital of Tours, Tours Cedex, France
| | - Jean-Claude Lecron
- Laboratory Inflammation, Tissus Epithéliaux et Cytokines, Poitiers University and Immunology/inflammation Laboratory, Poitiers University Hospital, Poitiers, France
| | - Franck Morel
- Laboratory Inflammation, Tissus Epithéliaux et Cytokines, Poitiers University and Immunology/inflammation Laboratory, Poitiers University Hospital, Poitiers, France
| | - Adriana Delwail
- ImageUP, Plate-forme d'Imagerie and Laboratoire Signalisation et Transport Ioniques Membranaires ERL CNRS 7003/EA 7349, Poitiers University, Poitiers, France
| | | | - Raphaele Le Garrec
- Univ Brest, LIEN (Laboratoire Interactions Epithelium Neurones), Brest, France
| | - Laurent Misery
- Univ Brest, LIEN (Laboratoire Interactions Epithelium Neurones), Brest, France
| | - Eric Piver
- Department of Biochemistry and Molecular Biology, University Hospital of Tours, Tours Cedex, France
- Inserm UMR 1259-Morphogenèse et antigénicité du VIH et des virus des hépatites (MAVIVH)
| | - Loïc Vaillant
- University François Rabelais, Tours, France
- Department of Dermatology, University Hospital of Tours, Tours Cedex, France
| | | | - Patrick Emond
- UMR 1253 iBrain, Université de Tours, Inserm, Tours, France
- Department of In Vitro Nuclear Medicine, University Hospital of Tours, Tours Cedex, France
| | - Hélène Blasco
- Department of Biochemistry and Molecular Biology, University Hospital of Tours, Tours Cedex, France
- UMR 1253 iBrain, Université de Tours, Inserm, Tours, France
| | - Mahtab Samimi
- University François Rabelais, Tours, France
- Department of Dermatology, University Hospital of Tours, Tours Cedex, France
- BIP, 1282 INRA University of Tours, Tours, France
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Grazzi L, Montisano DA, Rizzoli P, Guastafierro E, Marcassoli A, Fornari A, Raggi A. A Single-Group Study on the Effect of OnabotulinumtoxinA in Patients with Chronic Migraine Associated with Medication Overuse Headache: Pain Catastrophizing Plays a Role. Toxins (Basel) 2023; 15:toxins15020086. [PMID: 36828401 PMCID: PMC9967692 DOI: 10.3390/toxins15020086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/10/2023] [Accepted: 01/16/2023] [Indexed: 01/19/2023] Open
Abstract
Pain catastrophizing and cutaneous allodynia are commonly altered in patients with chronic migraine associated with medication overuse headache (CM-MOH) and tend to improve in parallel with clinical improvement. The relation between pain catastrophizing and cutaneous allodynia is poorly understood in patients with CM-MOH receiving OnabotulinumtoxinA therapy. In this single-arm open-label longitudinal observational study, patients with CM-MOH were assigned to structured withdrawal and then administered OnabotulinumtoxinA (5 sessions on a three-month basis, 195 UI per 31 sites). Headache frequency, medication intake, disability, impact, cutaneous allodynia and pain catastrophizing were evaluated with specific questionnaires. In total, 96 patients were enrolled and 79 completed the 12-month follow-up. With the exclusion of cutaneous allodynia and the magnification subscale of the pain catastrophizing questionnaire, all variables showed significant improvement by the sixth month, which was maintained at 12 months. Reduction of pain catastrophizing, and particularly of its helplessness subscale, was a significant predictor of reduction in headache frequency and medication intake. Pain catastrophizing is often implicated in the clinical improvement in patients with CM-MOH receiving behavioral treatments, but, in this study, also showed a role in patients receiving OnabotulinumtoxinA; combining OnabotulinumtoxinA and behavioral treatments specifically addressing pain catastrophizing might further enhance patients' clinical outcome.
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Affiliation(s)
- Licia Grazzi
- Centro Cefalee, Fondazione IRRCS Istituto Neurologico Carlo Besta, 20133 Milano, Italy
- Correspondence: (L.G.); (A.R.)
| | | | - Paul Rizzoli
- Brigham & Women’s Faulkner Hospital, John Graham Headacche Center, Harvard Medical School, Boston, MA 02115, USA
| | - Erika Guastafierro
- UOC Neurologia Salute Pubblica e Disabilità, Fondazione IRRCS Istituto Neurologico Carlo Besta, 20133 Milano, Italy
| | - Alessia Marcassoli
- UOC Neurologia Salute Pubblica e Disabilità, Fondazione IRRCS Istituto Neurologico Carlo Besta, 20133 Milano, Italy
| | - Arianna Fornari
- UOC Neurologia Salute Pubblica e Disabilità, Fondazione IRRCS Istituto Neurologico Carlo Besta, 20133 Milano, Italy
| | - Alberto Raggi
- UOC Neurologia Salute Pubblica e Disabilità, Fondazione IRRCS Istituto Neurologico Carlo Besta, 20133 Milano, Italy
- Correspondence: (L.G.); (A.R.)
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8
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Zhang Z, Zhang C, Li Y, Wang C, Yu Q. Lipid and metabolic alteration involvement in physiotherapy for chronic nonspecific low back pain. Lipids Health Dis 2022; 21:125. [PMID: 36434687 PMCID: PMC9700977 DOI: 10.1186/s12944-022-01737-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 11/14/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Chronic nonspecific low back pain (cNLBP) is a common health problem worldwide, affecting 65-80% of the population and greatly affecting people's quality of life and productivity. It also causes huge economic losses. Manual therapy (MT) and therapeutic exercise (TE) are effective treatment options for cNLBP physiotherapy-based treatment. However, the underlying mechanisms that promote cNLBP amelioration by MT or TE are incompletely understood. METHODS Seventeen recruited subjects were randomly divided into an MT group and a TE group. Subjects in the MT group performed muscular relaxation, myofascial release, and mobilization for 20 min during each treatment session. The treatment lasted for a total of six sessions, once every two days. Subjects in the TE group completed motor control and core stability exercises for 30 min during each treatment session. The motor control exercise included stretching of the trunk and extremity muscles through trunk and hip rotation and flexion training. Stabilization exercises consisted of the (1) bridge exercise, (2) single-leg-lift bridge exercise, (3) side bridge exercise, (4) two-point bird-dog position with an elevated contralateral leg and arm, (5) bear crawl exercise, and (6) dead bug exercise. The treatment lasted for a total of six sessions, with one session every two days. Serum samples were collected from subjects before and after physiotherapy-based treatment for lipidomic and metabolomic measurements. RESULTS Through lipidomic analysis, we found that the phosphatidylcholine/phosphatidylethanolamine (PC/PE) ratio decreased and the sphingomyelin/ceramide (SM/Cer) ratio increased in cNLBP patients after MT or TE treatment. In addition, eight metabolites enriched in pyrimidine and purine differed significantly in cNLBP patients who received MT treatment. A total of nine metabolites enriched in pyrimidine, tyrosine, and galactose pathways differed significantly in cNLBP patients after TE treatment during metabolomics analysis. CONCLUSION Our study was the first to elucidate the alterations in the lipidomics and metabolomics of cNLBP physiotherapy-based treatment and can expand our knowledge of cNLBP physiotherapy-based treatment.
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Affiliation(s)
- Zhou Zhang
- grid.12981.330000 0001 2360 039XDepartment of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, 510275 Guangzhou, P. R. China
| | - Chanjuan Zhang
- grid.12981.330000 0001 2360 039XDepartment of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, 510275 Guangzhou, P. R. China
| | - Yuelong Li
- grid.12981.330000 0001 2360 039XDepartment of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, 510275 Guangzhou, P. R. China
| | - Chuhuai Wang
- grid.12981.330000 0001 2360 039XDepartment of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, 510275 Guangzhou, P. R. China
| | - Qiuhua Yu
- grid.12981.330000 0001 2360 039XDepartment of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, 510275 Guangzhou, P. R. China
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9
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Elusive amines: migraine depends on biochemical abnormalities. Neurol Sci 2022; 43:6299-6304. [DOI: 10.1007/s10072-022-06241-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/24/2022] [Indexed: 10/17/2022]
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10
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Biringer RG. Migraine signaling pathways: amino acid metabolites that regulate migraine and predispose migraineurs to headache. Mol Cell Biochem 2022; 477:2269-2296. [PMID: 35482233 DOI: 10.1007/s11010-022-04438-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/08/2022] [Indexed: 10/18/2022]
Abstract
Migraine is a common, debilitating disorder for which attacks typically result in a throbbing, pulsating headache. Although much is known about migraine, its complexity renders understanding the complete etiology currently out of reach. However, two important facts are clear, the brain and the metabolism of the migraineur differ from that of the non-migraineur. This review centers on the altered amino acid metabolism in migraineurs and how it helps define the pathology of migraine.
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Affiliation(s)
- Roger Gregory Biringer
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, FL, 34211, USA.
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Zhu Z, Wu S, Wang Y, Wang J, Zhang Y. Reveal the Antimigraine Mechanism of Chuanxiong Rhizoma and Cyperi Rhizoma Based on the Integrated Analysis of Metabolomics and Network Pharmacology. Front Pharmacol 2022; 13:805984. [PMID: 35401159 PMCID: PMC8987590 DOI: 10.3389/fphar.2022.805984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 02/10/2022] [Indexed: 11/13/2022] Open
Abstract
Migraine is a common neurological disorder that manifests as recurrent attacks of unilateral and throbbing headache. Conioselinum anthriscoides “Chuanxiong” (Apiaceae; Chuanxiong rhizoma) and Cyperus rotundus L. (Cyperaceae; Cyperi rhizoma) (CRCR), is a classic prescription for treating migraine. This study aimed to reveal the potential mechanisms of CRCR extract against migraine using integrated analysis of metabolomics and network pharmacology. Behavioral changes in the nitroglycerin rat migraine model were determined from von Frey withdrawal response. Untargeted serum metabolomics was used to identify the differentially expressed metabolites and metabolic pathways. The differentially expressed metabolites were analyzed to obtain the corresponding targets by a compound–reaction–enzyme–gene network. Network pharmacology was used to construct a compound–target–pathway network. The common targets of metabolomics and network pharmacology were further analyzed. Metabolomics analysis identified 96 differentially expressed metabolites and 77 corresponding targets. Network pharmacology analysis identified 201 potential targets for CRCR against migraine. By intersecting 77 targets with 201 targets, monoamine oxidase A (MAO-A), monoamine oxidase B (MAO-B), and catechol-O-methyltransferase (COMT) were identified as the common targets, and MAO-A, MAO-B, and COMT were involved in the tyrosine metabolism pathway. Further experiments demonstrated that the contents of MAO-A and COMT were significantly increased in serum and brainstem tissue of the migraine rats. CRCR extract significantly decreased the contents of MAO-A and COMT, while no significant difference was found in MAO-B. Metabolomics analysis indicated that the contents of 3,4-dihydroxyphenylacetate (DOPAC) and 3-(4-hydroxyphenyl)pyruvate (HPP) were significantly increased in the migraine rats, and CRCR extract caused significant decreases in DOPAC and HPP. Interestingly, DOPAC and HPP were two differentially expressed metabolites involved in the tyrosine metabolism pathway. Correlation analysis showed that DOPAC and HPP were highly positively correlated with MAO-A and COMT. Taken together, two key differentially expressed metabolites (DOPAC and HPP), two key targets (MAO-A and COMT), and one relevant metabolic pathway (tyrosine metabolism) showed great importance in the treatment of migraine. This research could provide a new understanding of the potential mechanism of CRCR against migraine. More attentions should be paid into the tyrosine metabolism pathway in future studies.
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Affiliation(s)
- Zhiyao Zhu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Key Lab of Traditional Chinese Medicine Collateral Disease Theory Research, Capital Medical University, Beijing, China
| | - Sha Wu
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Key Lab of Traditional Chinese Medicine Collateral Disease Theory Research, Capital Medical University, Beijing, China
- *Correspondence: Sha Wu,
| | - Yuxuan Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Key Lab of Traditional Chinese Medicine Collateral Disease Theory Research, Capital Medical University, Beijing, China
| | - Jiayi Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Key Lab of Traditional Chinese Medicine Collateral Disease Theory Research, Capital Medical University, Beijing, China
| | - Yujia Zhang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- Beijing Key Lab of Traditional Chinese Medicine Collateral Disease Theory Research, Capital Medical University, Beijing, China
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Network Pharmacology and Metabolomics Studies on Antimigraine Mechanisms of Da Chuan Xiong Fang (DCXF). EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6665137. [PMID: 33995549 PMCID: PMC8081595 DOI: 10.1155/2021/6665137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 03/01/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023]
Abstract
Background Da Chuan Xiong Fang (DCXF) is a traditional Chinese medicine (TCM) formula used to treat migraines. Previously, we uncovered partial mechanisms involved in the therapeutic actions of DCXF on migraines. Methods In this study, we further elucidated its antimigraine mechanisms in vivo by using an integrated strategy coupling with network pharmacology and metabolomics techniques. Results Network pharmacology identified 33 genes linked with both migraine and DCXF, most of which were 5-hydroxytryptamine receptors, dopamine, and peptide receptors. The results of GO and KEGG enrichment analysis showed that DCXF significantly regulated tyrosine metabolism, tryptophan metabolism, dopamine metabolic process, glucose transmembrane transport, lipid metabolism, and fatty acid transport. The results of metabolomics analysis found that the metabolism of tryptophan and tyrosine in the brain tissue and energy and lipid metabolism of rats tended towards normal and reached normal levels after administering DCXF. The metabolomics and network pharmacology approaches demonstrated similar antimigraine effects of DCXF on endogenous neurotransmitters and overall trends in serum and brain tissue. Using both approaches, 62 hub genes were identified from the protein-protein interaction (PPI) network of DCXF and gene-metabolite interaction network, with hub genes and different metabolites in serum and brain tissue. The hub genes of DCXF, which were mostly linked with inflammation, might affect mainly neurotransmitters in serum and brain tissue metabolisms. Conclusion Network pharmacology and metabolomics study may help identify hub genes, metabolites, and possible pathways of disease and treatment. Additionally, two parts of the results were integrated to confirm each other. Their combination may help elucidate the relationship between hub genes and metabolites and provide the further understanding of TCM mechanisms.
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Barbanti P, Aurilia C, Egeo G, Fofi L, Guadagni F, Ferroni P. Dopaminergic symptoms in migraine: A cross-sectional study on 1148 consecutive headache center-based patients. Cephalalgia 2020; 40:1168-1176. [PMID: 32484361 DOI: 10.1177/0333102420929023] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Dopaminergic symptoms may be extremely pronounced in some migraine patients during the attack, representing a major source of disability. OBJECTIVES We aimed to carefully characterize the clinical picture of migraine patients with dopaminergic symptoms in a large patients' population as a putative migraine endophenotype, allowing more precise disease management, treatment and outcome prediction. METHODS We screened 1148 consecutive tertiary care episodic and chronic migraine patients with face-to-face interviews collecting thorough data on lifestyle, socio-demographic factors, and clinical migraine features. RESULTS We identified 374 patients with migraine with dopaminergic symptoms (32.6%). The most frequent dopaminergic symptom was yawning followed by somnolence, nausea, vomiting, fatigue, mood changes and diuresis. Migraine patients with dopaminergic symptoms had longer attack duration (OR: 1.82; 95% CI: 1.41-2.36, p < 0.0001), more frequent osmophobia (OR: 2.01; 95% CI: 1.50-2.69, p < 0.0001), allodynia (OR: 1.43; 95% CI: 1.10-1.85, p = 0.0071) and unilateral cranial autonomic symptoms (OR: 1.31; 95% CI: 1.01-1.68, p = 0.045), but used less preventative treatments (OR: 0.74; 95% CI: 0.57-0.98, p = 0.033) than patients without dopaminergic symptoms. CONCLUSIONS Migraine patients with dopaminergic symptoms are characterized by a full-blown, more disabling migraine. Dopaminergic system modulation should be carefully considered in individuals with migraine with dopaminergic symptoms for both acute and preventative treatments in future ad hoc designed studies.
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Affiliation(s)
- Piero Barbanti
- Headache and Pain Unit, 46729IRCCS San Raffaele Pisana, Rome, Italy
- Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University, Rome, Italy
| | - Cinzia Aurilia
- Headache and Pain Unit, 46729IRCCS San Raffaele Pisana, Rome, Italy
| | - Gabriella Egeo
- Headache and Pain Unit, 46729IRCCS San Raffaele Pisana, Rome, Italy
| | - Luisa Fofi
- Headache and Pain Unit, 46729IRCCS San Raffaele Pisana, Rome, Italy
| | - Fiorella Guadagni
- Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University, Rome, Italy
- InterInstitutional Multidisciplinary Biobank (BioBIM), 46729IRCCS San Raffaele Pisana, Rome, Italy
| | - Patrizia Ferroni
- Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University, Rome, Italy
- InterInstitutional Multidisciplinary Biobank (BioBIM), 46729IRCCS San Raffaele Pisana, Rome, Italy
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Vyas G, Bhatt S, Si MK, Jindani S, Suresh E, Ganguly B, Paul P. Colorimetric dual sensor for Cu(II) and tyrosine and its application as paper strips for detection in water and human saliva as real samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 230:118052. [PMID: 31955120 DOI: 10.1016/j.saa.2020.118052] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/07/2020] [Accepted: 01/09/2020] [Indexed: 06/10/2023]
Abstract
A calix[4]arene based compound incorporating amide and morpholine moieties has been synthesized and its ion recognition property towards metal ions and application of its metal complex towards sensing of amino acids has been investigated. The synthesized compound interacts with Cu2+ with high selectivity and sensitivity (LOD, 0.1 ppb) in aqueous media with instant color change from colorless to yellow without interference from any other metal ions used in this study. The molecular structure of the calix compound (1) has been determined by single crystal X-ray study and the structure of its Cu2+ complex has been established by DFT calculation. The Cu2+ complex of 1 selectively detects tyrosine (LOD, 1.2 ppm) in water with distinct color change and without any interference from other 22 amino acids used in this study. The mechanism for detection of tyrosine with color change is also presented. For easy field application, paper based sensor strips have been prepared by coating compound 1 and its Cu2+ complex on filter paper, which have been used for semi-quantitative measurement of Cu2+ and tyrosine. Compound 1 and its Cu2+ complex have also been used for detection of Cu2+ and tyrosine, respectively in water and human saliva as real samples and satisfactory results are obtained.
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Affiliation(s)
- Gaurav Vyas
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shreya Bhatt
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mrinal K Si
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sana Jindani
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Eringathodi Suresh
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bishwajit Ganguly
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
| | - Parimal Paul
- Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt and Marine Chemicals Research Institute, G. B. Marg, Bhavnagar 364002, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Loftis JM, Lasarev M, Shi X, Lapidus J, Janowsky A, Hoffman WF, Huckans M. Trace amine-associated receptor gene polymorphism increases drug craving in individuals with methamphetamine dependence. PLoS One 2019; 14:e0220270. [PMID: 31600226 PMCID: PMC6786581 DOI: 10.1371/journal.pone.0220270] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 09/27/2019] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Methamphetamine (MA) is a potent agonist at the trace amine-associated receptor 1 (TAAR1). This study evaluated a common variant (CV) in the human TAAR1 gene, synonymous single nucleotide polymorphism (SNP) V288V, to determine the involvement of TAAR1 in MA dependence. METHODS Participants (n = 106) with active MA dependence (MA-ACT), in remission from MA dependence (MA-REM), with active polysubstance dependence, in remission from polysubstance dependence, and with no history of substance dependence completed neuropsychiatric symptom questionnaires and provided blood samples. In vitro expression and function of CV and wild type TAAR1 receptors were also measured. RESULTS The V288V polymorphism demonstrated a 40% increase in TAAR1 protein expression in cell culture, but message sequence and protein function were unchanged, suggesting an increase in translation efficiency. Principal components analysis resolved neuropsychiatric symptoms into four components, PC1 (depression, anxiety, memory, and fatigue), PC2 (pain), PC3 (drug and alcohol craving), and PC4 (sleep disturbances). Analyses of study group and TAAR1 genotype revealed a significant interaction for PC3 (craving response) (p = 0.003). The control group showed no difference in PC3 associated with TAAR1, while adjusted mean craving for the MA-ACT and MA-REM groups, among those with at least one copy of V288V, was estimated to be, respectively, 1.55 (p = 0.036) and 1.77 (p = 0.071) times the adjusted mean craving for those without the TAAR1 SNP. CONCLUSIONS Neuroadaptation to chronic MA use may be altered by TAAR1 genotype and result in increased dopamine signaling and craving in individuals with the V288V genotype.
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Affiliation(s)
- Jennifer M. Loftis
- Research & Development Service, VA Portland Health Care System, Portland, OR, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, OR, United States of America
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
| | - Michael Lasarev
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
- Oregon Health & Science University and Portland State University School of Public Health, Portland, OR, United States of America
| | - Xiao Shi
- Research & Development Service, VA Portland Health Care System, Portland, OR, United States of America
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
| | - Jodi Lapidus
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
- Oregon Health & Science University and Portland State University School of Public Health, Portland, OR, United States of America
| | - Aaron Janowsky
- Research & Development Service, VA Portland Health Care System, Portland, OR, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, OR, United States of America
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, United States of America
| | - William F. Hoffman
- Research & Development Service, VA Portland Health Care System, Portland, OR, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, OR, United States of America
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, United States of America
- Mental Health and Clinical Neurosciences Division, VA Portland Health Care System, Portland, OR, United States of America
| | - Marilyn Huckans
- Research & Development Service, VA Portland Health Care System, Portland, OR, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, OR, United States of America
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, United States of America
- Mental Health and Clinical Neurosciences Division, VA Portland Health Care System, Portland, OR, United States of America
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Huang Q, Yu H, Zhang N, Guo B, Feng C, Wang S, Liang X. Body Mass Index and Primary Headache: A Hospital-Based Study in China. BIOMED RESEARCH INTERNATIONAL 2019; 2019:4630490. [PMID: 31119170 PMCID: PMC6500676 DOI: 10.1155/2019/4630490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 03/08/2019] [Accepted: 03/31/2019] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Primary headache and obesity are highly prevalent disorders in the general population. Although many studies have reported an association between the two, there is still no overall comprehension about this relationship. To gain a more accurate understanding in this regard, we analyzed data from a 2011 cross-sectional study in Chongqing, China. METHODS Patients with a chief complaint of headache were administered a headache questionnaire and diagnosed by neurology doctors in accordance with the International Classification of Headache Disorders 2nd Edition (ICHD-II) criteria. Patients aged < 18 years or diagnosed with secondary headache were excluded. RESULTS Of 1327 patients who cited headache as the chief complaint, 16 were excluded for missing data, while 396 were diagnosed with chronic headache (177 chronic migraine [CM], 186 chronic tension-type headache [CTTH], and 33 other chronic headache) and 915 with episodic headache (369 episodic migraine [EM], 319 episodic tension-type headache [ETTH], and 227 other episodic headache). Chronic headache patients had a higher number of headache days per month, longer duration of headache history, and greater tendency to overuse analgesics than episodic headache patients. The CM and ETTH patients were more apt to be overweight and had a significantly greater body mass index (BMI; p < 0.05) than the EM and CTTH patients. Overweight (odds ratio [OR] = 3.64; 95% confidence interval (CI), 1.19-8.81) and obesity (OR = 28.63; 95% CI, 2.96-276.6) were independently associated with CM but not with other headaches, and this association was not influenced by other factors such as medication overuse. CONCLUSIONS The relationship between headache and overweight/obesity varies depending on the type of primary headache. CM patients are more likely to have a higher body mass index than EM patients, while ETTH patients are more likely to be overweight/obese than CTTH patients.
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Affiliation(s)
- Qingqing Huang
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Huiqing Yu
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Ningning Zhang
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Bingling Guo
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Changyan Feng
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Shiqiang Wang
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
| | - Xiping Liang
- Chongqing University Cancer Hospital & Chongqing Cancer Institute & Chongqing Cancer Hospital, China
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Dopamine-beta-hydroxylase 19-bp insertion/deletion polymorphism affects medication overuse in patients with chronic migraine. Neurol Sci 2019; 40:1717-1724. [PMID: 30972508 DOI: 10.1007/s10072-019-03865-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 03/23/2019] [Indexed: 12/31/2022]
Abstract
Dopamine-beta-hydroxylase (DBH) enzyme activity is modulated at the genetic level by the presence of several polymorphisms. Among these, the 19-bp insertion/deletion (I/D) polymorphism (rs72393728/rs141116007) was investigated in several genetic association studies for its correlation with the susceptibility to develop episodic migraine, but conflicting results were achieved. In the present study we analyzed this genetic variant in a carefully characterized population of migraineurs encompassing both episodic and chronic migraine (with and without medication overuse) with the aim to perform a replication study and verify any possible correlation with migraine endophenotypes. Genotyping of the DBH 19-bp I/D polymorphism was performed on 400 migraine patients and 204 healthy individuals. The associations between genotypic frequencies and the clinical and sociodemographic features of migraineurs were then investigated. The DBH 19-bp I/D polymorphism did not correlate with migraine susceptibility or most clinical variables, with the exception of a statistically significant correlation within the subgroup of patients affected by chronic migraine were the individuals carrying the deleted (D) allele were significantly more prone to abuse in analgesics. As a result of this finding, the DBH 19-bp I/D polymorphism does not influence migraine susceptibility, but it might contribute to the development of medication overuse in patient with chronic migraine.
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Hajjarzadeh S, Mahdavi R, Shalilahmadi D, Nikniaz Z. The association of dietary patterns with migraine attack frequency in migrainous women. Nutr Neurosci 2018; 23:724-730. [DOI: 10.1080/1028415x.2018.1550890] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Samaneh Hajjarzadeh
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Mahdavi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Zeinab Nikniaz
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Grazzi L, Raggi A, D’Amico D, Sansone E, Leonardi M, Andrasik F, Gucciardi A, Guido D, D’Andrea G. A prospective pilot study of the effect on catecholamines of mindfulness training vs pharmacological prophylaxis in patients with chronic migraine and medication overuse headache. Cephalalgia 2018; 39:655-664. [DOI: 10.1177/0333102418801584] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Aim To address whether, in patients with chronic migraine and medication overuse headache, mindfulness-based treatment is associated with changes in plasma levels of catecholamines and elusive amines that are similar to those observed in patients undergoing pharmacological prophylaxis. Methods In this non-randomized, clinic-based effectiveness study, patients aged 18–65, with a history of chronic migraine ≥ 10 years and overuse of triptans or non-steroidal anti-inflammatory drugs ≥ 5 years, were enrolled. Upon completion of a structured withdrawal program, patients received either pharmacological prophylaxis or six weekly sessions of mindfulness-based treatment and were followed for 12 months. Daily headache diaries were used to record headache frequency and medication intake; catecholamines (noradrenaline, epinephrine and dopamine) and levels of elusive amines were assayed from poor platelet plasma. Results Complete follow-up data were available for 15 patients in the pharmacological prophylaxis-group (14 females, average age 44.1) and 14 in the mindfulness treatment-group (all females, average age 46.4), and all variables were comparable between groups at baseline. At 12 months, significant improvement ( p < .001) was found in the pharmacological prophylaxis group for headache frequency and medication intake (by 51% and 48.7%, respectively), noradrenaline, epinephrine and dopamine (by 98.7%, 120.8% and 501.9%, respectively); patients in the mindfulness treatment-group performed similarly. For elusive amines, no longitudinal changes were found. Conclusions The similar improvement trends observed in the two groups of patients further support the utility of mindfulness-based treatment in migraine care, and reinforce the hypothesis that alteration and normalization of tyrosine metabolism are implicated in migraine chronification and in remission of chronic migraine.
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Affiliation(s)
- Licia Grazzi
- Division of Neuroalgology, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Alberto Raggi
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Domenico D’Amico
- Division of Neuroalgology, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Emanuela Sansone
- Division of Neuroalgology, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Matilde Leonardi
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
| | - Frank Andrasik
- Department of Psychology, University of Memphis, Memphis, TN, USA
| | | | - Davide Guido
- Neurology, Public Health and Disability Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milano, Italy
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Is Medication Overuse Drug Specific or Not? Data from a Review of Published Literature and from an Original Study on Italian MOH Patients. Curr Pain Headache Rep 2018; 22:71. [DOI: 10.1007/s11916-018-0729-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Scaratti C, Covelli V, Guastafierro E, Leonardi M, Grazzi L, Rizzoli PB, D’Amico D, Raggi A. A Qualitative Study On Patients With Chronic Migraine With Medication Overuse Headache: Comparing Frequent And Non-Frequent Relapsers. Headache 2018; 58:1373-1388. [DOI: 10.1111/head.13385] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/14/2018] [Indexed: 12/28/2022]
Affiliation(s)
- Chiara Scaratti
- Public Health and Disability Unit, Neurological Institute “C. Besta” IRCCS Foundation; Neurology Milan Italy
| | | | - Erika Guastafierro
- Public Health and Disability Unit, Neurological Institute “C. Besta” IRCCS Foundation; Neurology Milan Italy
| | - Matilde Leonardi
- Public Health and Disability Unit, Neurological Institute “C. Besta” IRCCS Foundation; Neurology Milan Italy
| | - Licia Grazzi
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Paul B. Rizzoli
- John R. Graham Headache Center, Department of Neurology; Brigham and Women's Faulkner Hospital; Boston MA USA
| | - Domenico D’Amico
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Alberto Raggi
- Public Health and Disability Unit, Neurological Institute “C. Besta” IRCCS Foundation; Neurology Milan Italy
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Bowitch A, Michaels KL, Yu MC, Ferkey DM. The Protein Arginine Methyltransferase PRMT-5 Regulates SER-2 Tyramine Receptor-Mediated Behaviors in Caenorhabditis elegans. G3 (BETHESDA, MD.) 2018; 8:2389-2398. [PMID: 29760200 PMCID: PMC6027898 DOI: 10.1534/g3.118.200360] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 05/11/2018] [Indexed: 01/19/2023]
Abstract
G protein-coupled receptors are 7-pass transmembrane receptors that couple to heterotrimeric G proteins to mediate cellular responses to a diverse array of stimuli. Understanding the mechanisms that regulate G protein-coupled receptors is crucial to manipulating their signaling for therapeutic benefit. One key regulatory mechanism that contributes to the functional diversity of many signaling proteins is post-translational modification. Whereas phosphorylation remains the best studied of such modifications, arginine methylation by protein arginine methyltransferases is emerging as a key regulator of protein function. We previously published the first functional evidence that arginine methylation of G protein-coupled receptors modulates their signaling. We report here a third receptor that is regulated by arginine methylation, the Caenorhabditis elegans SER-2 tyramine receptor. We show that arginines within a putative methylation motif in the third intracellular loop of SER-2 are methylated by PRMT5 in vitro Our data also suggest that this modification enhances SER-2 signaling in vivo to modulate animal behavior. The identification of a third G protein-coupled receptor to be functionally regulated by arginine methylation suggests that this post-translational modification may be utilized to regulate signaling through a broad array of G protein-coupled receptors.
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Affiliation(s)
- Alexander Bowitch
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14260
| | - Kerry L Michaels
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14260
| | - Michael C Yu
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14260
| | - Denise M Ferkey
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY 14260
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Raggi A, Grignani E, Leonardi M, Andrasik F, Sansone E, Grazzi L, D'Amico D. Behavioral Approaches for Primary Headaches: Recent Advances. Headache 2018; 58:913-925. [DOI: 10.1111/head.13337] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2018] [Accepted: 04/27/2018] [Indexed: 12/15/2022]
Affiliation(s)
- Alberto Raggi
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Eleonora Grignani
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Matilde Leonardi
- Neurology, Public Health and Disability Unit; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Frank Andrasik
- Department of Psychology; University of Memphis; Memphis TN USA
| | - Emanuela Sansone
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Licia Grazzi
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
| | - Domenico D'Amico
- Division of Neuroalgology; Neurological Institute C. Besta IRCCS Foundation; Milan Italy
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24
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Ferroni P, Barbanti P, Della-Morte D, Palmirotta R, Jirillo E, Guadagni F. Redox Mechanisms in Migraine: Novel Therapeutics and Dietary Interventions. Antioxid Redox Signal 2018; 28:1144-1183. [PMID: 28990418 DOI: 10.1089/ars.2017.7260] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
SIGNIFICANCE Migraine represents the third most prevalent and the seventh most disabling human disorder. Approximately 30% of migraine patients experience transient, fully reversible, focal neurological symptoms (aura) preceding the attack. Recent Advances: Awareness of the hypothesis that migraine actually embodies a spectrum of illnesses-ranging from episodic to chronic forms-is progressively increasing and poses novel challenges for clarifying the underlying pathophysiological mechanisms of migraine as well as for the development of novel therapeutic interventions. Several theories have evolved to the current concept that a combination of genetic, epigenetic, and environmental factors may play a role in migraine pathogenesis, although their relative importance is still being debated. CRITICAL ISSUES One critical issue that deserves a particular attention is the role of oxidative stress in migraine. Indeed, potentially harmful oxidative events occur during the migraine attack and long-lasting or frequent migraine episodes may increase brain exposure to oxidative events that can lead to chronic transformation. Moreover, a wide variety of dietary, environmental, physiological, behavioral, and pharmacological migraine triggers may act through oxidative stress, with clear implications for migraine treatment and prophylaxis. Interestingly, almost all current prophylactic migraine agents exert antioxidant effects. FUTURE DIRECTIONS Increasing awareness of the role of oxidative stress and/or decreased antioxidant defenses in migraine pathogenesis and progression to a chronic condition lays the foundations for the design of novel prophylactic approaches, which, by reducing brain oxidative phenomena, could favorably modify the clinical course of migraine. Antioxid. Redox Signal. 28, 1144-1183.
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Affiliation(s)
- Patrizia Ferroni
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy
| | - Piero Barbanti
- 3 Headache and Pain Unit, Department of Neurological, Motor and Sensorial Sciences, IRCCS San Raffaele Pisana , Rome, Italy
| | - David Della-Morte
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy .,4 Department of Systems Medicine, University of Rome "Tor Vergata ," Rome, Italy
| | - Raffaele Palmirotta
- 5 Department of Biomedical Sciences and Human Oncology, "A. Moro" University , Bari, Italy
| | - Emilio Jirillo
- 6 Department of Basic Medical Sciences, Neuroscience and Sensory Organs, "A. Moro" University , Bari, Italy
| | - Fiorella Guadagni
- 1 Department of Human Sciences and Quality of Life Promotion, San Raffaele Roma Open University , Rome, Italy .,2 IRCCS San Raffaele Pisana , Rome, Italy
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25
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Su M, Yu S. Chronic migraine: A process of dysmodulation and sensitization. Mol Pain 2018; 14:1744806918767697. [PMID: 29642749 PMCID: PMC5900816 DOI: 10.1177/1744806918767697] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 03/04/2018] [Indexed: 12/12/2022] Open
Abstract
Chronic migraine is a common chronic daily headache featured by frequent headache attacks with at least 15 headache days per month, which brings great disease burden to both the sufferers and the society. Transformed from episodic migraine, the pathophysiology of chronic migraine is not fully understood, even though several risk factors have been associated with migraine progression. Recent studies have identified both structural and functional alterations in some brain regions of chronic migraine patients indicating that maladaptation of the top-down pain modulation and subsequent sensitization of trigeminal system may be important in the pathogenesis of chronic migraine. Moreover, biochemical analysis has confirmed several molecules related to chronic migraine, which may serve as biomarkers and potential therapeutic targets. Chronic migraine is undertreated because of its poor treatment response and limited therapy options. In this article, we reviewed the latest data to outline the clinical feature, pathophysiological mechanism, and management of chronic migraine, in the expectation to provide direction for future research and finally to take good care of chronic migraine patients.
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Affiliation(s)
- Min Su
- Department of Neurology, Chinese PLA General Hospital, Beijing, China
- School of Medicine, Nankai University, Tianjin, China
| | - Shengyuan Yu
- Department of Neurology, Chinese PLA General Hospital, Beijing, China
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26
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Gasparini CF, Smith RA, Griffiths LR. Genetic and biochemical changes of the serotonergic system in migraine pathobiology. J Headache Pain 2017; 18:20. [PMID: 28194570 PMCID: PMC5307402 DOI: 10.1186/s10194-016-0711-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 12/09/2016] [Indexed: 12/23/2022] Open
Abstract
Migraine is a brain disorder characterized by a piercing headache which affects one side of the head, located mainly at the temples and in the area around the eye. Migraine imparts substantial suffering to the family in addition to the sufferer, particularly as it affects three times more women than men and is most prevalent between the ages of 25 and 45, the years of child rearing. Migraine typically occurs in individuals with a genetic predisposition and is aggravated by specific environmental triggers. Attempts to study the biochemistry of migraine began as early as the 1960s and were primarily directed at serotonin metabolism after an increase of 5-hydroxyindoleacetic acid (5-HIAA), the main metabolite of serotonin was observed in urine of migraineurs. Genetic and biochemical studies have primarily focused on the neurotransmitter serotonin, considering receptor binding, transport and synthesis of serotonin and have investigated serotonergic mediators including enzymes, receptors as well as intermediary metabolites. These studies have been mainly assayed in blood, CSF and urine as the most accessible fluids. More recently PET imaging technology integrated with a metabolomics and a systems biology platform are being applied to study serotonergic biology. The general trend observed is that migraine patients have alterations of neurotransmitter metabolism detected in biological fluids with different biochemistry from controls, however the interpretation of the biological significance of these peripheral changes is unresolved. In this review we present the biology of the serotonergic system and metabolic routes for serotonin and discuss results of biochemical studies with regard to alterations in serotonin in brain, cerebrospinal fluid, saliva, platelets, plasma and urine of migraine patients.
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Affiliation(s)
- Claudia Francesca Gasparini
- Menzies Health Institute Queensland, Griffith University Gold Coast, Parklands Drive, Southport, QLD, 4222, Australia
| | - Robert Anthony Smith
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD, 4059, Australia
| | - Lyn Robyn Griffiths
- Genomics Research Centre, Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Musk Ave, Kelvin Grove, QLD, 4059, Australia.
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27
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D’Andrea G, Bussone G, Di Fiore P, Perini F, Gucciardi A, Bolner A, Aguggia M, Saracco G, Galloni E, Giordano G, Leon A. Pathogenesis of chronic cluster headache and bouts: role of tryptamine, arginine metabolism and α1-agonists. Neurol Sci 2017; 38:37-43. [DOI: 10.1007/s10072-017-2862-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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28
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Kogelman LJA, Christensen RE, Pedersen SH, Bertalan M, Hansen TF, Jansen-Olesen I, Olesen J. Whole transcriptome expression of trigeminal ganglia compared to dorsal root ganglia in Rattus Norvegicus. Neuroscience 2017; 350:169-179. [PMID: 28359950 DOI: 10.1016/j.neuroscience.2017.03.027] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/13/2017] [Accepted: 03/16/2017] [Indexed: 12/13/2022]
Abstract
The trigeminal ganglia (TG) subserving the head and the dorsal root ganglia (DRG) subserving the rest of the body are homologous handling sensory neurons. Differences exist, as a number of signaling substances cause headache but no pain in the rest of the body. To date, very few genes involved in this difference have been identified. We aim to reveal basal gene expression levels in TG and DRG and detect genes that are differentially expressed (DE) between TG and DRG. RNA-Sequencing from six naïve rats describes the whole transcriptome expression profiles of TG and DRG. Differential expression analysis was followed by pathway analysis to identify DE processes between TG and DRG. In total, 64 genes had higher and 55 genes had lower expressed levels in TG than DRG. Higher expressed genes, including S1pr5 and Gjc2, have been related to phospholipase activity. The lower expressed genes, including several Hox genes and Slc5a7, have been related to tyrosine and phenylalanine metabolism. Tissue-specific expression was identified for Gabra6 and Gabrd in TG, and for several Hox genes in DRG. Furthermore, genes that were known to be associated with headache/migraine were mostly moderately to highly expressed in one or both tissues. We present a comprehensive overview of the expression profiles of whole tissue comparison of TG and DRG. Further, we showed DE genes/pathways between TG and DRG, including several known migraine-associated genes. This study provides a basis for further pain-related studies using TG and DRG in rats.
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Affiliation(s)
- Lisette Johanna Antonia Kogelman
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Rikke Elgaard Christensen
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Sara Hougaard Pedersen
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Marcelo Bertalan
- Institute of Biological Psychiatry, Mental Health Center Sct. Hans, University of Copenhagen, Copenhagen, Roskilde DK 4000, Denmark
| | - Thomas Folkmann Hansen
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Inger Jansen-Olesen
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Jes Olesen
- Danish Headache Center, Department of Neurology, Glostrup Research Institute, Rigshospitalet Glostrup, Glostrup, Denmark and Faculty of Health and Medical Sciences, University of Copenhagen, Denmark. https://www.rigshospitalet.dk/english/departments/neuroscience-centre/danish-headache-center
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29
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Identification of multiple functional receptors for tyramine on an insect secretory epithelium. Sci Rep 2017; 7:168. [PMID: 28279025 PMCID: PMC5427925 DOI: 10.1038/s41598-017-00120-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2016] [Accepted: 02/08/2017] [Indexed: 11/15/2022] Open
Abstract
The biogenic amine tyramine (TA) regulates many aspects of invertebrate physiology and development. Although three TA receptor subtypes have been identified (TAR1-3), specific receptors have not been linked to physiological responses in native tissue. In the Malpighian (renal) tubule of Drosophila melanogaster, TA activates a transepithelial chloride conductance, resulting in diuresis and depolarization of the transepithelial potential. In the current work, mutation or RNAi-mediated knockdown in the stellate cells of the tubule of TAR2 (tyrR, CG7431) resulted in a dramatic reduction, but not elimination, of the TA-mediated depolarization. Mutation or knockdown of TAR3 (tyrRII, CG16766) had no effect. However, deletion of both genes, or knockdown of TAR3 on a TAR2 mutant background, eliminated the TA responses. Thus while TAR2 is responsible for the majority of the TA sensitivity of the tubule, TAR3 also contributes to the response. Knockdown or mutation of TAR2 also eliminated the response of tubules to the related amine octopamine (OA), indicating that OA can activate TAR2. This finding contrasts to reports that heterologously expressed TAR2 is highly selective for TA over OA. This is the first report of TA receptor function in a native tissue and indicates unexpected complexity in the physiology of the Malpighian tubule.
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30
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Ao H, Qian Z, Zhu Y, Zhao M, Tang C, Huang Y, Feng H, Wang A. A fluorometric biosensor based on functional Au/Ag nanoclusters for real-time monitoring of tyrosinase activity. Biosens Bioelectron 2016; 86:542-547. [DOI: 10.1016/j.bios.2016.07.051] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2016] [Revised: 07/14/2016] [Accepted: 07/15/2016] [Indexed: 10/21/2022]
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31
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Raggi A, Giovannetti AM, Leonardi M, Sansone E, Schiavolin S, Curone M, Grazzi L, Usai S, D'Amico D. Predictors of 12-Months Relapse After Withdrawal Treatment in Hospitalized Patients With Chronic Migraine Associated With Medication Overuse: A Longitudinal Observational Study. Headache 2016; 57:60-70. [DOI: 10.1111/head.12979] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 08/31/2016] [Accepted: 08/31/2016] [Indexed: 11/30/2022]
Affiliation(s)
- Alberto Raggi
- Neurology, Public Health and Disability Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Ambra M. Giovannetti
- Neurology, Public Health and Disability Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Matilde Leonardi
- Neurology, Public Health and Disability Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Emanuela Sansone
- Neurology, Public Health and Disability Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Silvia Schiavolin
- Neurology, Public Health and Disability Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Marcella Curone
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Licia Grazzi
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Susanna Usai
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
| | - Domenico D'Amico
- Headache and Neuroalgology Unit; Neurological Institute “C. Besta” IRCCS Foundation; Milan Italy
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32
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Martin VT, Vij B. Diet and Headache: Part 1. Headache 2016; 56:1543-1552. [DOI: 10.1111/head.12953] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2016] [Accepted: 08/31/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Vincent T. Martin
- Department of Internal Medicine; University of Cincinnati College of Medicine; Cincinnati OH USA
| | - Brinder Vij
- Department of Neurology; University of Cincinnati College of Medicine; Cincinnati OH USA
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33
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D'Andrea G, Leone M, Bussone G, Fiore PD, Bolner A, Aguggia M, Saracco MG, Perini F, Giordano G, Gucciardi A, Leon A. Abnormal tyrosine metabolism in chronic cluster headache. Cephalalgia 2016; 37:148-153. [PMID: 27009563 DOI: 10.1177/0333102416640502] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Objective Episodic cluster headache is characterized by abnormalities in tyrosine metabolism (i.e. elevated levels of dopamine, tyramine, octopamine and synephrine and low levels of noradrenalin in plasma and platelets.) It is unknown, however, if such biochemical anomalies are present and/or constitute a predisposing factor in chronic cluster headache. To test this hypothesis, we measured the levels of dopamine and noradrenaline together with those of elusive amines, such as tyramine, octopamine and synephrine, in plasma of chronic cluster patients and control individuals. Methods Plasma levels of dopamine, noradrenaline and trace amines, including tyramine, octopamine and synephrine, were measured in a group of 23 chronic cluster headache patients (10 chronic cluster ab initio and 13 transformed from episodic cluster), and 16 control participants. Results The plasma levels of dopamine, noradrenaline and tyramine were several times higher in chronic cluster headache patients compared with controls. The levels of octopamine and synephrine were significantly lower in plasma of these patients with respect to control individuals. Conclusions These results suggest that anomalies in tyrosine metabolism play a role in the pathogenesis of chronic cluster headache and constitute a predisposing factor for the transformation of the episodic into a chronic form of this primary headache.
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Affiliation(s)
| | - Massimo Leone
- 2 Headache Center, Neurology Department, Clinical Neuroscience Department, C. Besta Neurological Institute IRCCS Foundation, Italy
| | - Gennaro Bussone
- 2 Headache Center, Neurology Department, Clinical Neuroscience Department, C. Besta Neurological Institute IRCCS Foundation, Italy
| | - Paola Di Fiore
- 2 Headache Center, Neurology Department, Clinical Neuroscience Department, C. Besta Neurological Institute IRCCS Foundation, Italy
| | | | - Marco Aguggia
- 3 Headache Center, Neurology Department, Asti Hospital, Italy
| | | | - Francesco Perini
- 4 Headache Center, Neurology Department, Vicenza Hospital, Italy
| | - Giuseppe Giordano
- 5 Mass Spectrometry and Metabolomic Laboratory, Institute of Pediatric Research IRP Città della Speranza, Italy.,6 Women's and Children's Health Department, University of Padova, Italy
| | - Antonina Gucciardi
- 5 Mass Spectrometry and Metabolomic Laboratory, Institute of Pediatric Research IRP Città della Speranza, Italy
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34
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Kowalska M, Prendecki M, Kozubski W, Lianeri M, Dorszewska J. Molecular factors in migraine. Oncotarget 2016; 7:50708-50718. [PMID: 27191890 PMCID: PMC5226615 DOI: 10.18632/oncotarget.9367] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 05/05/2016] [Indexed: 01/09/2023] Open
Abstract
Migraine is a common neurological disorder that affects 11% of adults worldwide. This disease most likely has a neurovascular origin. Migraine with aura (MA) and more common form - migraine without aura (MO) - are the two main clinical subtypes of disease. The exact pathomechanism of migraine is still unknown, but it is thought that both genetic and environmental factors are involved in this pathological process. The first genetic studies of migraine were focused on the rare subtype of MA: familial hemiplegic migraine (FHM). The genes analysed in familial and sporadic migraine are: MTHFR, KCNK18, HCRTR1, SLC6A4, STX1A, GRIA1 and GRIA3. It is possible that migraine is a multifactorial disease with polygenic influence.Recent studies have shown that the pathomechanisms of migraine involves both factors responsible for immune response and oxidative stress such as: cytokines, tyrosine metabolism, homocysteine; and factors associated with pain transmission and emotions e.g.: serotonin, hypocretin-1, calcitonin gene-related peptide, glutamate. The correlations between genetic variants of the HCRTR1 gene, the polymorphism 5-HTTLPR and hypocretin-1, and serotonin were observed. It is known that serotonin inhibits the activity of hypocretin neurons and may affect the appearance of the aura during migraine attack.The understanding of the molecular mechanisms of migraine, including genotype-phenotype correlations, may contribute to finding markers important for the diagnosis and treatment of this disease.
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Affiliation(s)
- Marta Kowalska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Michał Prendecki
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Wojciech Kozubski
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Margarita Lianeri
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Jolanta Dorszewska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
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35
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Khan MZ, Nawaz W. The emerging roles of human trace amines and human trace amine-associated receptors (hTAARs) in central nervous system. Biomed Pharmacother 2016; 83:439-449. [PMID: 27424325 DOI: 10.1016/j.biopha.2016.07.002] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 06/28/2016] [Accepted: 07/01/2016] [Indexed: 02/06/2023] Open
Abstract
Human trace amines (TAs) are endogenous compounds, previously almost ignored in human pathology for many reasons (difficulty of their measurement in biological fluids, unknown receptors for elusive amines), are now considered to play a significant role in synaptic transmission within the central nervous system (CNS) acting as neuromodulators. The recent discovery of a novel family of G-protein-coupled receptors (GPCRs) that includes individual members that are highly specific for TAs indicates a potential role for TAs as vertebrate neurotransmitters or neuromodulators, although the majority of these GPCRs so far have not been demonstrated to be activated by TAs. Human trace amine receptors (including TAAR1 TAAR2 TAAR5 TAAR6 TAAR8 TAAR9) are expressed in the brain and play significant physiological and neuropathological roles by activation of trace amines. We herein discuss the recent findings that provide insights into the functional roles of human trace amines (including P-Octopamine, β phenylethylamine, Tryptamine, Tyramine, Synephrine, 3-Iodothyronamine, 3-Methoxytyramine, N-Methyltyramine, N-Methylphenethylamine) in brain. Furthermore, we discuss the known functions of human trace amine receptors in brain.
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Affiliation(s)
- Muhammad Zahid Khan
- Department of Pharmacology, China Pharmaceutical University, Nanjing 210009, China.
| | - Waqas Nawaz
- School of basic medicine and clinical pharmacy, China Pharmaceutical University, Nanjing 210009, China
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36
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Shi X, Walter NAR, Harkness JH, Neve KA, Williams RW, Lu L, Belknap JK, Eshleman AJ, Phillips TJ, Janowsky A. Genetic Polymorphisms Affect Mouse and Human Trace Amine-Associated Receptor 1 Function. PLoS One 2016; 11:e0152581. [PMID: 27031617 PMCID: PMC4816557 DOI: 10.1371/journal.pone.0152581] [Citation(s) in RCA: 42] [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: 12/04/2015] [Accepted: 03/16/2016] [Indexed: 12/15/2022] Open
Abstract
Methamphetamine (MA) and neurotransmitter precursors and metabolites such as tyramine, octopamine, and β-phenethylamine stimulate the G protein-coupled trace amine-associated receptor 1 (TAAR1). TAAR1 has been implicated in human conditions including obesity, schizophrenia, depression, fibromyalgia, migraine, and addiction. Additionally TAAR1 is expressed on lymphocytes and astrocytes involved in inflammation and response to infection. In brain, TAAR1 stimulation reduces synaptic dopamine availability and alters glutamatergic function. TAAR1 is also expressed at low levels in heart, and may regulate cardiovascular tone. Taar1 knockout mice orally self-administer more MA than wild type and are insensitive to its aversive effects. DBA/2J (D2) mice express a non-synonymous single nucleotide polymorphism (SNP) in Taar1 that does not respond to MA, and D2 mice are predisposed to high MA intake, compared to C57BL/6 (B6) mice. Here we demonstrate that endogenous agonists stimulate the recombinant B6 mouse TAAR1, but do not activate the D2 mouse receptor. Progeny of the B6XD2 (BxD) family of recombinant inbred (RI) strains have been used to characterize the genetic etiology of diseases, but contrary to expectations, BXDs derived 30-40 years ago express only the functional B6 Taar1 allele whereas some more recently derived BXD RI strains express the D2 allele. Data indicate that the D2 mutation arose subsequent to derivation of the original RIs. Finally, we demonstrate that SNPs in human TAAR1 alter its function, resulting in expressed, but functional, sub-functional and non-functional receptors. Our findings are important for identifying a predisposition to human diseases, as well as for developing personalized treatment options.
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Affiliation(s)
- Xiao Shi
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Nicole A. R. Walter
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - John H. Harkness
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Kim A. Neve
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Robert W. Williams
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Lu Lu
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
- Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - John K. Belknap
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Amy J. Eshleman
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Tamara J. Phillips
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Aaron Janowsky
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, Oregon, United States of America
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Abstract
The pathogenesis of migraine as well as cluster headache (CH) is yet a debated question. In this review, we discuss the possible role of the of tyrosine and tryptophan metabolism in the pathogenesis of these primary headaches. These include the abnormalities in the synthesis of neurotransmitters: high level of DA, low level of NE and very elevated levels of octopamine and synephrine (neuromodulators) in plasma of episodic migraine without aura and CH patients. We hypothesize that the imbalance between the levels of neurotransmitters and elusive amines synthesis is due to a metabolic shift directing tyrosine toward an increased decarboxylase and reduced hydroxylase enzyme activities. The metabolic shift of the tyrosine is favored by a state of neuronal hyperexcitability and a reduced mitochondrial activity present in migraine. In addition we present biochemical studies performed in chronic migraine and chronic tension-type headache patients to verify if the same anomalies of the tyrosine and tryptophan metabolism are present in these primary headaches and, if so, their possible role in the chronicity process of CM and CTTH. The results show that important abnormalities of tyrosine metabolism are present only in CM patients (very high plasma levels of DA, NE and tryptamine). Tryptamine plasma levels were found significantly lower in both CM and CTTH patients. In view of this, we propose that migraine and, possibly, CH attacks derive from neurotransmitter and neuromodulator metabolic abnormalities in a hyperexcitable and hypoenergetic brain that spread from the frontal lobe, downstream, resulting in abnormally activated nuclei of the pain matrix. The low tryptamine plasma levels found in CM and CTTH patients suggest that these two primary chronic headaches are characterized by a common insufficient serotoninergic control of the pain threshold.
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Wu Q, Fang A, Li H, Zhang Y, Yao S. Enzymatic-induced upconversion photoinduced electron transfer for sensing tyrosine in human serum. Biosens Bioelectron 2015; 77:957-62. [PMID: 26544870 DOI: 10.1016/j.bios.2015.10.084] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 10/17/2015] [Accepted: 10/28/2015] [Indexed: 12/20/2022]
Abstract
This paper reports a novel nanosensor for tyrosine based on photoinduced electron-transfer (PET) between NaYF4:Yb, Tm upconversion nanoparticles (UCNPs) and melanin-like polymers. Melanin-like films were obtained from catalytic oxidation of tyrosine by tyrosinase, and deposited on the surface of UCNPs, and then quenched the fluorescence of UCNPs. Under the optimized conditions, the fluorescence quenching of UCNPs showed a good linear response to tyrosine concentration in the range of 0.8-100 μΜ with a detection limit of 1.1 μΜ. Meanwhile, it showed good sensitivity, stability and has been successfully applied to the detection of tyrosine in human serum.
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Affiliation(s)
- Qiongqiong Wu
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Aijin Fang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Haitao Li
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Youyu Zhang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.
| | - Shouzhuo Yao
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
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Raggi A, Schiavolin S, Leonardi M, Grazzi L, Usai S, Curone M, D’Amico D. Approaches to treatments of chronic migraine associated with medication overuse: a comparison between different intensity regimens. Neurol Sci 2015; 36 Suppl 1:5-8. [DOI: 10.1007/s10072-015-2134-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Are Depressive Symptomatology, Self-Efficacy, and Perceived Social Support Related to Disability and Quality of Life in Patients With Chronic Migraine Associated to Medication Overuse? Data From a Cross-Sectional Study. Headache 2015; 55:636-45. [DOI: 10.1111/head.12534] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2015] [Indexed: 11/26/2022]
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41
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Chronic migraine with medication overuse: Association between disability and quality of life measures, and impact of disease on patients' lives. J Neurol Sci 2015; 348:60-6. [DOI: 10.1016/j.jns.2014.11.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2014] [Revised: 10/31/2014] [Accepted: 11/03/2014] [Indexed: 01/20/2023]
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42
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Tryptamine levels are low in plasma of chronic migraine and chronic tension-type headache. Neurol Sci 2014; 35:1941-5. [DOI: 10.1007/s10072-014-1867-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 06/25/2014] [Indexed: 10/25/2022]
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43
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Tyrosine metabolism linked to chronic migraine. Nat Rev Neurol 2013. [DOI: 10.1038/nrneurol.2013.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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