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Salvador AFM, Abduljawad N, Kipnis J. Meningeal Lymphatics in Central Nervous System Diseases. Annu Rev Neurosci 2024; 47:323-344. [PMID: 38648267 DOI: 10.1146/annurev-neuro-113023-103045] [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] [Indexed: 04/25/2024]
Abstract
Since its recent discovery, the meningeal lymphatic system has reshaped our understanding of central nervous system (CNS) fluid exchange, waste clearance, immune cell trafficking, and immune privilege. Meningeal lymphatics have also been demonstrated to functionally modify the outcome of neurological disorders and their responses to treatment, including brain tumors, inflammatory diseases such as multiple sclerosis, CNS injuries, and neurodegenerative disorders such as Alzheimer's and Parkinson's diseases. In this review, we discuss recent evidence of the contribution of meningeal lymphatics to neurological diseases, as well as the available experimental methods for manipulating meningeal lymphatics in these conditions. Finally, we also provide a discussion of the pressing questions and challenges in utilizing meningeal lymphatics as a prime target for CNS therapeutic intervention and possibly drug delivery for brain disorders.
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Affiliation(s)
- Andrea Francesca M Salvador
- Brain Immunology and Glia (BIG) Center and Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA;
| | - Nora Abduljawad
- Neuroscience Graduate Program, Washington University School of Medicine, St. Louis, Missouri, USA
- Brain Immunology and Glia (BIG) Center and Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA;
| | - Jonathan Kipnis
- Neuroscience Graduate Program, Washington University School of Medicine, St. Louis, Missouri, USA
- Brain Immunology and Glia (BIG) Center and Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, Missouri, USA;
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2
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Glück C, Zhou Q, Droux J, Chen Z, Glandorf L, Wegener S, Razansky D, Weber B, El Amki M. Pia-FLOW: Deciphering hemodynamic maps of the pial vascular connectome and its response to arterial occlusion. Proc Natl Acad Sci U S A 2024; 121:e2402624121. [PMID: 38954543 PMCID: PMC11252916 DOI: 10.1073/pnas.2402624121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 06/04/2024] [Indexed: 07/04/2024] Open
Abstract
The pial vasculature is the sole source of blood supply to the neocortex. The brain is contained within the skull, a vascularized bone marrow with a unique anatomical connection to the brain meninges. Recent developments in tissue clearing have enabled detailed mapping of the entire pial and calvarial vasculature. However, what are the absolute flow rate values of those vascular networks? This information cannot accurately be retrieved with the commonly used bioimaging methods. Here, we introduce Pia-FLOW, a unique approach based on large-scale transcranial fluorescence localization microscopy, to attain hemodynamic imaging of the whole murine pial and calvarial vasculature at frame rates up to 1,000 Hz and spatial resolution reaching 5.4 µm. Using Pia-FLOW, we provide detailed maps of flow velocity, direction, and vascular diameters which can serve as ground-truth data for further studies, advancing our understanding of brain fluid dynamics. Furthermore, Pia-FLOW revealed that the pial vascular network functions as one unit for robust allocation of blood after stroke.
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Affiliation(s)
- Chaim Glück
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
| | - Quanyu Zhou
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich8092, Switzerland
| | - Jeanne Droux
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
- Department of Neurology, University Hospital and University of Zurich, Zurich8091, Switzerland
| | - Zhenyue Chen
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich8092, Switzerland
| | - Lukas Glandorf
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich8092, Switzerland
| | - Susanne Wegener
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
- Department of Neurology, University Hospital and University of Zurich, Zurich8091, Switzerland
| | - Daniel Razansky
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
- Institute for Biomedical Engineering, Department of Information Technology and Electrical Engineering, ETH Zurich, Zurich8092, Switzerland
| | - Bruno Weber
- Institute of Pharmacology and Toxicology, University of Zurich, Zurich8057, Switzerland
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
| | - Mohamad El Amki
- Neuroscience Center Zurich, University of Zurich and ETH Zurich, Zurich8057, Switzerland
- Department of Neurology, University Hospital and University of Zurich, Zurich8091, Switzerland
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Santana-Gomez C, Smith G, Mousavi A, Shamas M, Harris NG, Staba R. The Surgical Method of Craniectomy Differentially Affects Acute Seizures, Brain Deformation and Behavior in a TBI Animal Model. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.28.601257. [PMID: 39005303 PMCID: PMC11244902 DOI: 10.1101/2024.06.28.601257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Traumatic brain injury (TBI) is the leading cause of morbidity and mortality worldwide. Multiple injury models have been developed to study this neurological disorder. One such model is the lateral fluid-percussion injury (LFPI) rodent model. The LFPI model can be generated with different surgical procedures that could affect the injury and be reflected in neurobehavioral dysfunction and acute EEG changes. A craniectomy was performed either with a trephine hand drill or with a trephine electric drill that was centered over the left hemisphere of adult, male Sprague Dawley rats. Sham craniectomy groups were assessed by hand-drilled (ShamHMRI) and electric-drilled (ShamEMRI) to evaluate by MRI. Then, TBI was induced in separate groups (TBIH) and (TBIE) using a fluid-percussion device. Sham-injured rats (ShamH/ShamE) underwent the same surgical procedures as the TBI rats. During the same surgery session, rats were implanted with screw and microwire electrodes positioned in the neocortex and hippocampus and the EEG activity was recorded 24 hours for the first 7 days after TBI for assessing the acute EEG seizure and Gamma Event Coupling (GEC). The electric drilling craniectomy induced greater tissue damage and sensorimotor deficits compared to the hand drill. Analysis of the EEG revealed acute seizures in at least one animal from each group after the procedure. Both TBI and Sham rats from the electric drill groups had a significant greater total number of seizures than the animals that were craniectomized manually (p<0.05). Similarly, EEG functional connectivity was lower in ShamE compared to ShamH rats. These results suggest that electrical versus hand drilling craniectomies produce cortical injury in addition to the LFPI which increases the likelihood for acute post-traumatic seizures. Differences in the surgical approach could be one reason for the variability in the injury that makes it difficult to replicate results between preclinical TBI studies.
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Hazewinkel MH, Knoedler L, Mathew PG, Remy K, Austen WG, Gfrerer L. Surgical Management of Headache Disorders - A Systematic Review of the Literature. Curr Neurol Neurosci Rep 2024; 24:191-202. [PMID: 38833038 DOI: 10.1007/s11910-024-01342-1] [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] [Accepted: 05/16/2024] [Indexed: 06/06/2024]
Abstract
PURPOSE OF REVIEW This review article critically evaluates the latest advances in the surgical treatment of headache disorders. RECENT FINDINGS Studies have demonstrated the effectiveness of innovative screening tools, such as doppler ultrasound, pain drawings, magnetic resonance neurography, and nerve blocks to help identify candidates for surgery. Machine learning has emerged as a powerful tool to predict surgical outcomes. In addition, advances in surgical techniques, including minimally invasive incisions, fat injections, and novel strategies to treat injured nerves (neuromas) have demonstrated promising results. Lastly, improved patient-reported outcome measures are evolving to provide a framework for comparison of conservative and invasive treatment outcomes. Despite these developments, challenges persist, particularly related to appropriate patient selection, insurance coverage, delays in diagnosis and surgical treatment, and the absence of standardized measures to assess and compare treatment impact. Collaboration between medical/procedural and surgical specialties is required to overcome these obstacles.
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Affiliation(s)
- Merel Hj Hazewinkel
- Division of Plastic and Reconstructive Surgery, Weill Cornell Medicine, New York, USA
| | - Leonard Knoedler
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - Paul G Mathew
- Harvard Medical School, Boston, USA
- Department of Neurology, Mass General Brigham Health, Foxborough, USA
- Department of Neurology, Atrius Health, Quincy, USA
| | - Katya Remy
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - William G Austen
- Division of Plastic and Reconstructive Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, USA
| | - Lisa Gfrerer
- Division of Plastic and Reconstructive Surgery, Weill Cornell Medicine, New York, USA.
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Bharadwaj VN, Klukinov M, Cowan RP, Mahinparvar N, Clark DJ, Yeomans DC. Oxytocin Receptors on Calvarial Periosteal Innervation: Therapeutic Target for Post-Traumatic Headache? Pharmaceutics 2024; 16:760. [PMID: 38931882 PMCID: PMC11206786 DOI: 10.3390/pharmaceutics16060760] [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: 03/25/2024] [Revised: 05/16/2024] [Accepted: 05/20/2024] [Indexed: 06/28/2024] Open
Abstract
OBJECTIVE Following a mild traumatic brain injury (mTBI), the most prevalent and profoundly debilitating occurrence is the emergence of an acute and persistent post-traumatic headache (PTH), for which there are presently no approved treatments. A crucial gap in knowledge exists regarding the consequences of an mTBI, which could serve as a foundation for the development of therapeutic approaches. The activation of trigeminal sensory nerve terminals that innervate the calvarial periosteum (CP)-a densely innervated tissue layer covering the calvarial skull-has been implicated in both migraines and PTHs. We have previously shown that trigeminal oxytocin receptors (OTRs) may provide a therapeutic target for PTHs. This study examined the expression of oxytocin receptors on trigeminal nerves innervating the periosteum and whether these receptors might serve as a therapeutic target for PTHs using a direct application of oxytocin to the periosteum in a rodent model of PTH. METHODS We used retrograde tracing and immunohistochemistry to determine if trigeminal ganglion (TG) neurons innervating the periosteum expressed OTRs and/or CGRPs. To model the impact of local inflammation that occurs following an mTBI, we applied chemical inflammatory mediators directly to the CP and assessed for changes in immediate-early gene expression as an indication of neuronal activation. We also determined whether mTBI would lead to expression changes to OTR levels. To determine whether these OTRs could be a viable therapeutic target, we assessed the impact of oxytocin injections into the CP in a mouse model of PTH-induced periorbital allodynia. RESULTS The results of these experiments demonstrate the following: (1) the cell bodies of CP afferents reside in the TG and express both OTRs and CGRPs; (2) inflammatory chemical stimulation of the periosteum leads to rapid activation of TG neurons (phospho-ERK (p-ERK) expression), (3) mTBI-induced inflammation increased OTR expression compared to the sham group; and (4) administration of oxytocin into the periosteum on day 2 and day 40 blocked cutaneous allodynia for up to one hour post-administration for both acute and persistence phases in the PTH model-an effect that was preventable by the administration of an OTR antagonist. CONCLUSION Taken together, our observations suggest that periosteal trigeminal afferents contribute to post-TBI craniofacial pain, and that periosteum tissue can be used as a potential local target for therapeutics such as oxytocin.
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Affiliation(s)
- Vimala N. Bharadwaj
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
| | - Michael Klukinov
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
| | - Robert Paul Cowan
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
| | - Nazanin Mahinparvar
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
| | - David John Clark
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
- Anesthesiology Service, Veterans Affairs Palo Alto Health Care System, 3801 Miranda Ave (E4-220), Palo Alto, CA 94304, USA
| | - David Clifford Yeomans
- Department of Anesthesiology, Perioperative and Pain Medicine, School of Medicine, Stanford University, Stanford, CA 94305, USA (M.K.); (R.P.C.); (N.M.); (D.J.C.)
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Qi W, Zhang R, Wang Z, Du H, Zhao Y, Shi B, Wang Y, Wang X, Wang P. Advances in the Application of Black Phosphorus-Based Composite Biomedical Materials in the Field of Tissue Engineering. Pharmaceuticals (Basel) 2024; 17:242. [PMID: 38399457 PMCID: PMC10892510 DOI: 10.3390/ph17020242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 02/07/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024] Open
Abstract
Black Phosphorus (BP) is a new semiconductor material with excellent biocompatibility, degradability, and optical and electrophysical properties. A growing number of studies show that BP has high potential applications in the biomedical field. This article aims to systematically review the research progress of BP composite medical materials in the field of tissue engineering, mining BP in bone regeneration, skin repair, nerve repair, inflammation, treatment methods, and the application mechanism. Furthermore, the paper discusses the shortcomings and future recommendations related to the development of BP. These shortcomings include stability, photothermal conversion capacity, preparation process, and other related issues. However, despite these challenges, the utilization of BP-based medical materials holds immense promise in revolutionizing the field of tissue repair.
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Affiliation(s)
- Wanying Qi
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (W.Q.); (R.Z.)
| | - Ru Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; (W.Q.); (R.Z.)
| | - Zaishang Wang
- School of Pharmacy, Guilin Medical University, Guilin 541001, China;
| | - Haitao Du
- Shandong Academy of Chinese Medicine, Jinan 250014, China; (H.D.); (Y.Z.); (Y.W.)
| | - Yiwu Zhao
- Shandong Academy of Chinese Medicine, Jinan 250014, China; (H.D.); (Y.Z.); (Y.W.)
| | - Bin Shi
- Shandong Medicinal Biotechnology Center, Jinan 250062, China;
| | - Yi Wang
- Shandong Academy of Chinese Medicine, Jinan 250014, China; (H.D.); (Y.Z.); (Y.W.)
| | - Xin Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Faculty of Light Industry, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Ping Wang
- Shandong Academy of Chinese Medicine, Jinan 250014, China; (H.D.); (Y.Z.); (Y.W.)
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da Silva Fiorin F, do Espírito Santo CC, Da Silva JT, Chung MK. Inflammation, brain connectivity, and neuromodulation in post-traumatic headache. Brain Behav Immun Health 2024; 35:100723. [PMID: 38292321 PMCID: PMC10827408 DOI: 10.1016/j.bbih.2024.100723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 01/03/2024] [Accepted: 01/05/2024] [Indexed: 02/01/2024] Open
Abstract
Post-traumatic headache (PTH) is a debilitating condition that affects individuals with different levels of traumatic brain injury (TBI) severity. The difficulties in developing an effective treatment are related to a lack of understanding the complicated mechanisms and neurobiological changes in brain function after a brain injury. Preclinical studies have indicated that peripheral and central sensitization of the trigeminal nociceptive pathways contributes to PTH. While recent brain imaging studies have uncovered widespread changes in brain functional connectivity following trauma, understanding exactly how these networks contribute to PTH after injury remains unknown. Stimulation of peripheral (trigeminal or vagus) nerves show promising efficacies in PTH experimental animals, likely mediated by influencing TBI-induced pathological plasticity by decreasing neuroinflammation and neuronal apoptosis. Non-invasive brain stimulations, such as transcranial magnetic or direct current stimulations, show analgesia for multiple chronic pain conditions, including PTH. Better mechanistic understanding of analgesia achieved by neuromodulations can define peripheral and central mechanisms involved in the development, the resolution, and the management of PTH.
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Affiliation(s)
- Fernando da Silva Fiorin
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
| | - Caroline Cunha do Espírito Santo
- Graduate Program in Neuroengineering, Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Brazil
| | - Joyce T. Da Silva
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
| | - Man-Kyo Chung
- Department of Neural and Pain Sciences, School of Dentistry, University of Maryland Baltimore, Program in Neuroscience, Center to Advance Chronic Pain Research, Baltimore, MD, USA
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Kara M, Erdal YS, Doğan Y, Erdal ÖD, D'Amico V, Özçakar L. The chronicle of headache treatment throughout human history from trepanation to perisutural botulinum toxin injections. Int J Neurosci 2023; 133:1399-1402. [PMID: 35603776 DOI: 10.1080/00207454.2022.2081166] [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: 03/11/2022] [Accepted: 05/13/2022] [Indexed: 10/18/2022]
Abstract
To provide a historic snapshot as regards the evolution of headache treatment throughout the human history, i.e. starting from trepanation to perisutural botulinum toxin (BoNT) injections. Ancient surgeons had aimed to reach the cranium with trepanation (a surgical operation) for headache. As BoNT inhibits the release of nociceptive and pro-inflammatory neuropeptides, it has been recently suggested as an effective alternative in the prophylactic treatment of chronic migraine headache. Chronic migraine is a complex neurological disorder for which the underlying pathophysiology is yet not totally explained. According to the generally accepted hypotheses, peripheral neurogenic activation and central trigeminal sensitization are the two main mechanisms through which its pain develops. Since the headache most commonly occurs around the perisutural areas, and as the primary pathogenesis stem from the meningeal nerve fibers; collateral sensorial branches of the meningeal nerves can be optimal paths to transport BoNT inside the cranium. Concerning the therapeutic efficacy, we anticipate that perisutural injections would be technically challenging with blind techniques and actually possible only if performed under an imaging guidance, e.g. very conveniently with high frequency ultrasound.
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Affiliation(s)
- Murat Kara
- Medical School, Department of Physical and Rehabilitation Medicine, Hacettepe University, Ankara, Turkey
| | | | - Yahya Doğan
- Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
| | - Ömür Dilek Erdal
- Department of Anthropology, Hacettepe University, Ankara, Turkey
| | | | - Levent Özçakar
- Medical School, Department of Physical and Rehabilitation Medicine, Hacettepe University, Ankara, Turkey
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Macionis V. Neurovascular Compression-Induced Intracranial Allodynia May Be the True Nature of Migraine Headache: an Interpretative Review. Curr Pain Headache Rep 2023; 27:775-791. [PMID: 37837483 DOI: 10.1007/s11916-023-01174-7] [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] [Accepted: 09/15/2023] [Indexed: 10/16/2023]
Abstract
PURPOSE OF REVIEW Surgical deactivation of migraine trigger sites by extracranial neurovascular decompression has produced encouraging results and challenged previous understanding of primary headaches. However, there is a lack of in-depth discussions on the pathophysiological basis of migraine surgery. This narrative review provides interpretation of relevant literature from the perspective of compressive neuropathic etiology, pathogenesis, and pathophysiology of migraine. RECENT FINDINGS Vasodilation, which can be asymptomatic in healthy subjects, may produce compression of cranial nerves in migraineurs at both extracranial and intracranial entrapment-prone sites. This may be predetermined by inherited and acquired anatomical factors and may include double crush-type lesions. Neurovascular compression can lead to sensitization of the trigeminal pathways and resultant cephalic hypersensitivity. While descending (central) trigeminal activation is possible, symptomatic intracranial sensitization can probably only occur in subjects who develop neurovascular entrapment of cranial nerves, which can explain why migraine does not invariably afflict everyone. Nerve compression-induced focal neuroinflammation and sensitization of any cranial nerve may neurogenically spread to other cranial nerves, which can explain the clinical complexity of migraine. Trigger dose-dependent alternating intensity of sensitization and its synchrony with cyclic central neural activities, including asymmetric nasal vasomotor oscillations, may explain the laterality and phasic nature of migraine pain. Intracranial allodynia, i.e., pain sensation upon non-painful stimulation, may better explain migraine pain than merely nociceptive mechanisms, because migraine cannot be associated with considerable intracranial structural changes and consequent painful stimuli. Understanding migraine as an intracranial allodynia could stimulate research aimed at elucidating the possible neuropathic compressive etiology of migraine and other primary headaches.
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Abstract
Migraine is a complex neurovascular pain disorder linked to the meninges, a border tissue innervated by neuropeptide-containing primary afferent fibers chiefly from the trigeminal nerve. Electrical or mechanical stimulation of this nerve surrounding large blood vessels evokes headache patterns as in migraine, and the brain, blood, and meninges are likely sources of headache triggers. Cerebrospinal fluid may play a significant role in migraine by transferring signals released from the brain to overlying pain-sensitive meningeal tissues, including dura mater. Interactions between trigeminal afferents, neuropeptides, and adjacent meningeal cells and tissues cause neurogenic inflammation, a critical target for current prophylactic and abortive migraine therapies. Here we review the importance of the cranial meninges to migraine headaches, explore the properties of trigeminal meningeal afferents, and briefly review emerging concepts, such as meningeal neuroimmune interactions, that may one day prove therapeutically relevant.
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Affiliation(s)
- Dan Levy
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA;
| | - Michael A Moskowitz
- Center for Systems Biology and Departments of Radiology and Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA;
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Goertz JE, Garcia-Bonilla L, Iadecola C, Anrather J. Immune compartments at the brain's borders in health and neurovascular diseases. Semin Immunopathol 2023:10.1007/s00281-023-00992-6. [PMID: 37138042 DOI: 10.1007/s00281-023-00992-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 03/14/2023] [Indexed: 05/05/2023]
Abstract
Recent evidence implicates cranial border immune compartments in the meninges, choroid plexus, circumventricular organs, and skull bone marrow in several neuroinflammatory and neoplastic diseases. Their pathogenic importance has also been described for cardiovascular diseases such as hypertension and stroke. In this review, we will examine the cellular composition of these cranial border immune niches, the potential pathways through which they might interact, and the evidence linking them to cardiovascular disease.
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Affiliation(s)
- Jennifer E Goertz
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61St Street; RR-405, New York, NY, 10065, USA
| | - Lidia Garcia-Bonilla
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61St Street; RR-405, New York, NY, 10065, USA
| | - Costantino Iadecola
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61St Street; RR-405, New York, NY, 10065, USA
| | - Josef Anrather
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, 407 East 61St Street; RR-405, New York, NY, 10065, USA.
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12
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Russo AF, Hay DL. CGRP physiology, pharmacology, and therapeutic targets: migraine and beyond. Physiol Rev 2023; 103:1565-1644. [PMID: 36454715 PMCID: PMC9988538 DOI: 10.1152/physrev.00059.2021] [Citation(s) in RCA: 63] [Impact Index Per Article: 63.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 11/23/2022] [Accepted: 11/27/2022] [Indexed: 12/03/2022] Open
Abstract
Calcitonin gene-related peptide (CGRP) is a neuropeptide with diverse physiological functions. Its two isoforms (α and β) are widely expressed throughout the body in sensory neurons as well as in other cell types, such as motor neurons and neuroendocrine cells. CGRP acts via at least two G protein-coupled receptors that form unusual complexes with receptor activity-modifying proteins. These are the CGRP receptor and the AMY1 receptor; in rodents, additional receptors come into play. Although CGRP is known to produce many effects, the precise molecular identity of the receptor(s) that mediates CGRP effects is seldom clear. Despite the many enigmas still in CGRP biology, therapeutics that target the CGRP axis to treat or prevent migraine are a bench-to-bedside success story. This review provides a contextual background on the regulation and sites of CGRP expression and CGRP receptor pharmacology. The physiological actions of CGRP in the nervous system are discussed, along with updates on CGRP actions in the cardiovascular, pulmonary, gastrointestinal, immune, hematopoietic, and reproductive systems and metabolic effects of CGRP in muscle and adipose tissues. We cover how CGRP in these systems is associated with disease states, most notably migraine. In this context, we discuss how CGRP actions in both the peripheral and central nervous systems provide a basis for therapeutic targeting of CGRP in migraine. Finally, we highlight potentially fertile ground for the development of additional therapeutics and combinatorial strategies that could be designed to modulate CGRP signaling for migraine and other diseases.
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Affiliation(s)
- Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, Iowa
- Department of Neurology, University of Iowa, Iowa City, Iowa
- Center for the Prevention and Treatment of Visual Loss, Department of Veterans Affairs Health Center, Iowa City, Iowa
| | - Debbie L Hay
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
- Maurice Wilkins Centre for Molecular Biodiscovery, School of Biological Sciences, The University of Auckland, Auckland, New Zealand
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Ashina S, Bendtsen L, Burstein R, Iljazi A, Jensen RH, Lipton RB. Pain sensitivity in relation to frequency of migraine and tension-type headache with or without coexistent neck pain: an exploratory secondary analysis of the population study. Scand J Pain 2023; 23:76-87. [PMID: 36137215 DOI: 10.1515/sjpain-2022-0030] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 06/30/2022] [Indexed: 01/17/2023]
Abstract
OBJECTIVES We aimed to investigate whether coexistent self-reported neck pain influences cephalic and extracephalic pain sensitivity in individuals with migraine and tension-type headache (TTH) in relation to diagnosis and headache frequency. METHODS A population of 496 individuals completed a headache interview based on ICHD criteria, providing data collected by self-administered questionnaires, assessments of pericranial total tenderness score (TTS) and pressure pain thresholds (PPT). Stimulus-response (SR) functions for pressure vs. pain were recorded. Presence of neck pain in the past year was assessed by the self-administered questionnaire. We categorized participants by primary headache type. We also categorized participants into 3 groups by headache frequency: chronic (≥15) or episodic (<15 headache days/month) headache and controls. TTS, PPTs and the area under the SR curve were compared between subgroups using Generalized Linear Models with pairwise comparisons controlling for age and sex. RESULTS Individuals with chronic followed by episodic headache had higher TTS than controls (overall p≤0.001). The difference between chronic and episodic headache subgroups was significant in the group with neck pain (p≤0.001) but not in the group without neck pain. In individuals with neck pain, mean TTS was higher in coexistent headache (migraine and TTH), 23.2 ± 10.7, and pure TTH, 17.8 ± 10.3, compared to pure migraine, 15.9 ± 10.9 and no headache 11.0 ± 8.3 (overall p<0.001). Temporal and finger PPTs did not statistically differ among the chronic headache, the episodic headache and controls in individuals with and without neck pain. Temporalis and trapezius SR-functions showed that tenderness was increased in individuals with chronic headache to higher degree than in those with episodic headache, and more so in those with neck pain. CONCLUSIONS Coexistent neck pain is associated with greater pericranial tenderness in individuals with chronic headache and to a lesser degree in those with episodic headache. Sensitization may be a substrate or consequence of neck pain and primary headache, but a longitudinal study would be needed for further clarification.
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Affiliation(s)
- Sait Ashina
- BIDMC Comprehensive Headache Center, Harvard Medical School, Boston, MA, USA
- Department of Neurology, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
- Department of Clinical Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Lars Bendtsen
- Danish Headache Center, Department of Neurology, Faculty of Health Sciences, University of Copenhagen, Rigshospitalet Glostrup, Glostrup, Denmark
| | - Rami Burstein
- BIDMC Comprehensive Headache Center, Harvard Medical School, Boston, MA, USA
- Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Afrim Iljazi
- Department of Orthopedic Surgery, University of Copenhagen, Copenhagen, Denmark
| | - Rigmor Hoejland Jensen
- Danish Headache Center, Department of Neurology, Faculty of Health Sciences, University of Copenhagen, Rigshospitalet Glostrup, Glostrup, Denmark
| | - Richard B Lipton
- Department of Neurology, Albert Einstein College of Medicine and Montefiore Headache Center, Bronx, NY, USA
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14
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Ang PS, Matrongolo MJ, Zietowski ML, Nathan SL, Reid RR, Tischfield MA. Cranium growth, patterning and homeostasis. Development 2022; 149:dev201017. [PMID: 36408946 PMCID: PMC9793421 DOI: 10.1242/dev.201017] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Craniofacial development requires precise spatiotemporal regulation of multiple signaling pathways that crosstalk to coordinate the growth and patterning of the skull with surrounding tissues. Recent insights into these signaling pathways and previously uncharacterized progenitor cell populations have refined our understanding of skull patterning, bone mineralization and tissue homeostasis. Here, we touch upon classical studies and recent advances with an emphasis on developmental and signaling mechanisms that regulate the osteoblast lineage for the calvaria, which forms the roof of the skull. We highlight studies that illustrate the roles of osteoprogenitor cells and cranial suture-derived stem cells for proper calvarial growth and homeostasis. We also discuss genes and signaling pathways that control suture patency and highlight how perturbing the molecular regulation of these pathways leads to craniosynostosis. Finally, we discuss the recently discovered tissue and signaling interactions that integrate skull and cerebrovascular development, and the potential implications for both cerebrospinal fluid hydrodynamics and brain waste clearance in craniosynostosis.
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Affiliation(s)
- Phillip S. Ang
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- University of Chicago Pritzker School of Medicine, Chicago, IL 60637, USA
| | - Matt J. Matrongolo
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
| | | | - Shelby L. Nathan
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Russell R. Reid
- Laboratory of Craniofacial Biology and Development, Section of Plastic Surgery, Department of Surgery, University of Chicago Medicine, Chicago, IL 60637, USA
| | - Max A. Tischfield
- Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08854, USA
- Child Health Institute of New Jersey, New Brunswick, NJ 08901, USA
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15
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Tu T, Peng Z, Song Z, Ma Y, Zhang H. New insight into DAVF pathology—Clues from meningeal immunity. Front Immunol 2022; 13:858924. [PMID: 36189220 PMCID: PMC9520480 DOI: 10.3389/fimmu.2022.858924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 08/26/2022] [Indexed: 11/13/2022] Open
Abstract
In recent years, with the current access in techniques, studies have significantly advanced the knowledge on meningeal immunity, revealing that the central nervous system (CNS) border acts as an immune landscape. The latest concept of meningeal immune system is a tertiary structure, which is a comprehensive overview of the meningeal immune system from macro to micro. We comprehensively reviewed recent advances in meningeal immunity, particularly the new understanding of the dural sinus and meningeal lymphatics. Moreover, based on the clues from the meningeal immunity, new insights were proposed into the dural arteriovenous fistula (DAVF) pathology, aiming to provide novel ideas for DAVF understanding.
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Affiliation(s)
- Tianqi Tu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Zhenghong Peng
- Department of Health Management Center, The Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Zihao Song
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongjie Ma
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
- *Correspondence: Yongjie Ma, ; Hongqi Zhang,
| | - Hongqi Zhang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, China
- International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
- *Correspondence: Yongjie Ma, ; Hongqi Zhang,
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16
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Xu J, Zhang Z, Zhao J, Meyers CA, Lee S, Qin Q, James AW. Interaction between the nervous and skeletal systems. Front Cell Dev Biol 2022; 10:976736. [PMID: 36111341 PMCID: PMC9468661 DOI: 10.3389/fcell.2022.976736] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/08/2022] [Indexed: 11/14/2022] Open
Abstract
The skeleton is one of the largest organ systems in the body and is richly innervated by the network of nerves. Peripheral nerves in the skeleton include sensory and sympathetic nerves. Crosstalk between bones and nerves is a hot topic of current research, yet it is not well understood. In this review, we will explore the role of nerves in bone repair and remodeling, as well as summarize the molecular mechanisms by which neurotransmitters regulate osteogenic differentiation. Furthermore, we discuss the skeleton’s role as an endocrine organ that regulates the innervation and function of nerves by secreting bone-derived factors. An understanding of the interactions between nerves and bone can help to prevent and treat bone diseases caused by abnormal innervation or nerve function, develop new strategies for clinical bone regeneration, and improve patient outcomes.
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Affiliation(s)
- Jiajia Xu
- Department of Pathology, Johns Hopkins University, Baltimore, MD, United States
- Division of Spine Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, China
- Academy of Orthopedics, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Zhongmin Zhang
- Division of Spine Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junjie Zhao
- Division of Spine Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Carolyn A. Meyers
- Department of Pathology, Johns Hopkins University, Baltimore, MD, United States
| | - Seungyong Lee
- Department of Pathology, Johns Hopkins University, Baltimore, MD, United States
- Department of Physical Education, Incheon National University, Incheon, South Korea
| | - Qizhi Qin
- Department of Pathology, Johns Hopkins University, Baltimore, MD, United States
| | - Aaron W. James
- Department of Pathology, Johns Hopkins University, Baltimore, MD, United States
- *Correspondence: Aaron W. James,
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17
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Blake P, ElHawary H, Janis JE. Increasing Collaboration between Headache Medicine and Plastic Surgery in the Surgical Management of Chronic Headache. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2022; 10:e4479. [PMID: 36032365 PMCID: PMC9400943 DOI: 10.1097/gox.0000000000004479] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
Introduction Chronic headache is one of the most disabling conditions afflicting humankind. The management of chronic headaches has, to date, been only partially successful. The goal of this paper is to highlight the importance of collaboration between surgeons and headache physicians in treating this condition. Methods We present a narrative review of migraine pathophysiology, its medical and surgical treatment options, and the important role of collaboration between headache physicians and surgeons. Results Migraine headaches can be treated with both medication-based regimens and surgery. Novel medications such monoclonal antibodies directed at the CGRP molecule or its receptor have recently been FDA approved as an effective treatment modality in chronic migraines. However, these medications are associated with a high cost, and there is a paucity in data regarding effectiveness compared to other treatment modalities. The pathophysiology of headache likely exists along a spectrum with peripheral - extracranial and meningeal - factors at one end and central - brain - factors at the other, with anatomic and physiologic connections between both ends. Recent evidence has clearly shown that surgical decompression of extracranial nerves improves headache outcomes. However, appropriate patient selection and preoperative diagnosis are of paramount importance to achieve excellent outcomes. Conclusions Surgeons and headache physicians who are interested in providing treatment for patients with chronic headache should strive to form a close collaboration with each other in order to provide the optimal plan for migraine/headache patients.
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Affiliation(s)
- Pamela Blake
- From the Headache Center of River Oaks, Houston, Tex
- University of Texas Health Science Center, Houston, Tex
| | - Hassan ElHawary
- Division of Plastic and Reconstructive Surgery, Department of Surgery, McGill University Health Centre, Montreal, Quebec, Canada
| | - Jeffrey E. Janis
- Department of Plastic and Reconstructive Surgery, Ohio State University Wexner Medical Center, Columbus, Ohio
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18
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Evans AG, Horrar AN, Ibrahim MM, Burns BL, Kalmar CL, Assi PE, Brooks-Horrar KN, Kesayan T, Al Kassis S. Outcomes of transcutaneous nerve stimulation for migraine headaches: a systematic review and meta-analysis. J Neurol 2022; 269:4021-4029. [PMID: 35296960 DOI: 10.1007/s00415-022-11059-1] [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: 02/14/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Implanted and transcutaneous nerve stimulators have shown promise as novel non-pharmacologic treatment for episodic and chronic migraines. The purpose of this study was to summarize the reported efficacy of transcutaneous single nerve stimulators in management of migraine frequency and severity. METHODS A systematic review of five databases identified studies treating migraines with transcutaneous stimulation of a single nerve. Random effects model meta-analyses were conducted to establish the effect of preventive transcutaneous nerve stimulation on headache days per month and 0-10 numeric rating scale pain severity of headaches for both individuals with episodic and chronic migraines. RESULTS Fourteen studies, which treated 995 patients, met inclusion criteria, including 7 randomized controlled trials and 7 uncontrolled clinical trials. Transcutaneous nerve stimulators reduced headache frequency in episodic migraines (2.81 fewer headache days per month, 95% CI 2.18-3.43, I2 = 21%) and chronic migraines (2.97 fewer headache days per month, 95% CI 1.66-4.28, I2 = 0%). Transcutaneous nerve stimulators reduced headache severity in episodic headaches (2.23 fewer pain scale points, 95% CI 1.64-2.81, I2 = 88%). CONCLUSIONS Preventive use of transcutaneous nerve stimulators provided clinically significant reductions in headache frequency in individuals with chronic or episodic migraines. Individuals with episodic migraines also experienced a reduction in headache pain severity following preventive transcutaneous nerve stimulation.
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Affiliation(s)
- Adam G Evans
- Department of Plastic Surgery, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA.
| | - Abigail N Horrar
- Wake Forest University, 1834 Wake Forest Road, Winston-Salem, NC, 27109, USA
| | - Maryo M Ibrahim
- School of Medicine, Meharry Medical College, 1005 Dr DB Todd Jr Blvd, Nashville, TN, 37208, USA
| | - Brady L Burns
- School of Medicine, Meharry Medical College, 1005 Dr DB Todd Jr Blvd, Nashville, TN, 37208, USA
| | - Christopher L Kalmar
- Department of Plastic Surgery, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA
| | - Patrick E Assi
- Department of Plastic Surgery, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA
| | - Krista N Brooks-Horrar
- Department of Neurology, Nashville Veterans Affairs Medical Center, 1310 24th Avenue South, Nashville, TN, 37212, USA
| | - Tigran Kesayan
- Department of Neurology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA
- Department of Anesthesiology, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA
| | - Salam Al Kassis
- Department of Plastic Surgery, Vanderbilt University Medical Center, 1211 Medical Center Drive, Nashville, TN, 37212, USA
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19
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Li Y, Fraser D, Mereness J, Van Hove A, Basu S, Newman M, Benoit DSW. Tissue Engineered Neurovascularization Strategies for Craniofacial Tissue Regeneration. ACS APPLIED BIO MATERIALS 2022; 5:20-39. [PMID: 35014834 PMCID: PMC9016342 DOI: 10.1021/acsabm.1c00979] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Craniofacial tissue injuries, diseases, and defects, including those within bone, dental, and periodontal tissues and salivary glands, impact an estimated 1 billion patients globally. Craniofacial tissue dysfunction significantly reduces quality of life, and successful repair of damaged tissues remains a significant challenge. Blood vessels and nerves are colocalized within craniofacial tissues and act synergistically during tissue regeneration. Therefore, the success of craniofacial regenerative approaches is predicated on successful recruitment, regeneration, or integration of both vascularization and innervation. Tissue engineering strategies have been widely used to encourage vascularization and, more recently, to improve innervation through host tissue recruitment or prevascularization/innervation of engineered tissues. However, current scaffold designs and cell or growth factor delivery approaches often fail to synergistically coordinate both vascularization and innervation to orchestrate successful tissue regeneration. Additionally, tissue engineering approaches are typically investigated separately for vascularization and innervation. Since both tissues act in concert to improve craniofacial tissue regeneration outcomes, a revised approach for development of engineered materials is required. This review aims to provide an overview of neurovascularization in craniofacial tissues and strategies to target either process thus far. Finally, key design principles are described for engineering approaches that will support both vascularization and innervation for successful craniofacial tissue regeneration.
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Affiliation(s)
- Yiming Li
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - David Fraser
- Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States.,Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, New York 14620, United States.,Translational Biomedical Sciences Program, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - Jared Mereness
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States.,Department of Environmental Medicine, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - Amy Van Hove
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - Sayantani Basu
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - Maureen Newman
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States
| | - Danielle S W Benoit
- Department of Biomedical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Orthopaedics and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York 14642, United States.,Eastman Institute for Oral Health, University of Rochester Medical Center, Rochester, New York 14620, United States.,Translational Biomedical Sciences Program, University of Rochester Medical Center, Rochester, New York 14642, United States.,Department of Environmental Medicine, University of Rochester Medical Center, Rochester, New York 14642, United States.,Materials Science Program, University of Rochester, Rochester, New York 14627, United States.,Department of Chemical Engineering, University of Rochester, Rochester, New York 14627, United States.,Department of Biomedical Genetics and Center for Oral Biology, University of Rochester Medical Center, Rochester, New York 14642, United States
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20
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Melo-Carrillo A, Strassman AM, Schain AJ, Broide RS, Cai BB, Rhéaume C, Brideau-Andersen AD, Ashina S, Flores-Montanez Y, Brin MF, Burstein R. OnabotulinumtoxinA affects cortical recovery period but not occurrence or propagation of cortical spreading depression in rats with compromised blood-brain barrier. Pain 2021; 162:2418-2427. [PMID: 34448754 PMCID: PMC8374711 DOI: 10.1097/j.pain.0000000000002230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/11/2021] [Accepted: 02/01/2021] [Indexed: 11/25/2022]
Abstract
ABSTRACT OnabotulinumtoxinA (BoNT-A) is an Food and Drug Administration-approved, peripherally acting preventive migraine drug capable of inhibiting meningeal nociceptors. Expanding our view of how else this neurotoxin attenuates the activation of the meningeal nociceptors, we reasoned that if the stimulus that triggers the activation of the nociceptor is lessened, the magnitude and/or duration of the nociceptors' activation could diminish as well. In the current study, we further examine this possibility using electrocorticogram recording techniques, immunohistochemistry, and 2-photon microscopy. We report (1) that scalp (head) but not lumbar (back) injections of BoNT-A shorten the period of profound depression of spontaneous cortical activity that follows a pinprick-induced cortical spreading depression (CSD); (2) that neither scalp nor lumbar injections prevent the induction, occurrence, propagation, or spreading velocity of a single wave of CSD; (3) that cleaved SNAP25-one of the most convincing tools to determine the anatomical targeting of BoNT-A treatment-could easily be detected in pericranial muscles at the injection sites and in nerve fibers of the intracranial dura, but not within any cortical area affected by the CSD; (4) that the absence of cleaved SNAP25 within the cortex and pia is unrelated to whether the blood-brain barrier is intact or compromised; and (5) that BoNT-A does not alter vascular responses to CSD. To the best of our knowledge, this is the first report of peripherally applied BoNT-A's ability to alter a neuronal function along a central nervous system pathway involved in the pathophysiology of migraine.
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Affiliation(s)
- Agustin Melo-Carrillo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
| | - Andrew M. Strassman
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
| | - Aaron J. Schain
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
| | - Ron S. Broide
- Allergan, an AbbVie Company, Irvine, CA, United States
| | - Brian B. Cai
- Allergan, an AbbVie Company, Irvine, CA, United States
| | | | | | - Sait Ashina
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
| | - Yadira Flores-Montanez
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
| | - Mitchell F. Brin
- Allergan, an AbbVie Company, Irvine, CA, United States
- University of California, Irvine, United States
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, United States
- Department of Anesthesia, Harvard Medical School, Boston MA, United States
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21
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A Neurotrophic Mechanism Directs Sensory Nerve Transit in Cranial Bone. Cell Rep 2021; 31:107696. [PMID: 32460020 PMCID: PMC7335423 DOI: 10.1016/j.celrep.2020.107696] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 03/17/2020] [Accepted: 05/06/2020] [Indexed: 11/21/2022] Open
Abstract
The flat bones of the skull are densely innervated during development, but little is known regarding their role during repair. We describe a neurotrophic mechanism that directs sensory nerve transit in the mouse calvaria. Patent cranial suture mesenchyme represents an NGF (nerve growth factor)-rich domain, in which sensory nerves transit. Experimental calvarial injury upregulates Ngf in an IL-1β/TNF-α-rich defect niche, with consequent axonal ingrowth. In calvarial osteoblasts, IL-1β and TNF-α stimulate Ngf and downstream NF-κB signaling. Locoregional deletion of Ngf delays defect site re-innervation and blunted repair. Genetic disruption of Ngf among LysM-expressing macrophages phenocopies these observations, whereas conditional knockout of Ngf among Pdgfra-expressing cells does not. Finally, inhibition of TrkA catalytic activity similarly delays re-innervation and repair. These results demonstrate an essential role of NGF-TrkA signaling in bone healing and implicate macrophage-derived NGF-induced ingrowth of skeletal sensory nerves as an important mediator of this repair.
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22
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Terrier LM, Hadjikhani N, Velut S, Magnain C, Amelot A, Bernard F, Zöllei L, Destrieux C. The trigeminal system: The meningovascular complex- A review. J Anat 2021; 239:1-11. [PMID: 33604906 DOI: 10.1111/joa.13413] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 12/12/2022] Open
Abstract
Supratentorial sensory perception, including pain, is subserved by the trigeminal nerve, in particular, by the branches of its ophthalmic division, which provide an extensive innervation of the dura mater and of the major brain blood vessels. In addition, contrary to previous assumptions, studies on awake patients during surgery have demonstrated that the mechanical stimulation of the pia mater and small cerebral vessels can also produce pain. The trigeminovascular system, located at the interface between the nervous and vascular systems, is therefore perfectly positioned to detect sensory inputs and influence blood flow regulation. Despite the fact that it remains only partially understood, the trigeminovascular system is most probably involved in several pathologies, including very frequent ones such as migraine, or other severe conditions, such as subarachnoid haemorrhage. The incomplete knowledge about the exact roles of the trigeminal system in headache, blood flow regulation, blood barrier permeability and trigemino-cardiac reflex warrants for an increased investigation of the anatomy and physiology of the trigeminal system. This translational review aims at presenting comprehensive information about the dural and brain afferents of the trigeminovascular system, in order to improve the understanding of trigeminal cranial sensory perception and to spark a new field of exploration for headache and other brain diseases.
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Affiliation(s)
- Louis-Marie Terrier
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | - Nouchine Hadjikhani
- Martinos Center for Biomedical Imaging, Harvard Medical School/MGH/MIT, Boston, MA, USA
| | - Stéphane Velut
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | - Caroline Magnain
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Aymeric Amelot
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
| | | | - Lilla Zöllei
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Christophe Destrieux
- UMR 1253, ibrain, Université de Tours, Inserm, Tours, France.,CHRU de Tours, Tours, France
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23
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de Souza Ferreira MR, Galvão APO, de Queiroz Lima PTMB, de Queiroz Lima AMB, Magalhães CP, Valença MM. The parietal foramen anatomy: studies using dry skulls, cadaver and in vivo MRI. Surg Radiol Anat 2021; 43:1159-1168. [PMID: 33399919 DOI: 10.1007/s00276-020-02650-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 12/05/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE The aim of this study was to describe the anatomical features encountered in the parietal foramen in a series of 178 human bones and 123 head MRI examinations. A cadaveric specimen was also dissected to demonstrate the trajectory of a superficial scalp vein through the parietal foramen as far as the dura mater. A literature review was performed regarding prevalence of parietal foramen in different populations. METHODS Totally, 178 paired adult bones were used to investigate the presence, shape and number of the parietal foramina. In addition, 123 brain MRI examinations were also studied. RESULTS The parietal foramina were encountered in 75/89 (84.3%) skulls [32/38 (84.2%) in women vs. 43/51 (84.3%) in men, p > 0.05]. The parietal foramen was present bilaterally in 44.73% of females and 54.9% of males. Regarding unilaterality of the parietal foramen, a right or left laterality was observed in female 21% right versus 18% left; and 16% versus 14% (left) in males (p > 0.05). The accessory parietal foramen was present in the right parietal in 2.6% and in 7.9% on the left side of the females, while 5.9% and 3.9% of the males on the right or left sides, respectively. The parietal foramina located in the proximity of the sagittal suture (male 7.1 ± 2.5 mm vs. female, 7.4 ± 2.7 mm). There was a positive correlation between the right and left parietal foramina regarding the distance from the median line. The distance from a foramen to the contralateral one was 16 ± 4 mm in men and 18 ± 5 mm in women, respectively (p > 0.05). CONCLUSION No major differences were encountered between sexes regarding the anatomical features of parietal foramen.
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Affiliation(s)
- Maria Rosana de Souza Ferreira
- Departamento of Anatomy, Academic Center of Vitória of Santo Antão, Vitória, Pernambuco, Brazil. .,Neurosurgery Unit, Federal University of Pernambuco, Recife, Pernambuco, Brazil. .,Departamento of Anatomy and Neurosurgery Unit, Federal University of Pernambuco, Recife, Pernambuco, Brazil.
| | - André Pukey Oliveira Galvão
- Departamento of Anatomy, Academic Center of Vitória of Santo Antão, Vitória, Pernambuco, Brazil.,Vitória de Santo Antão, Facol University Center, Vitória, Pernambuco, Brazil
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Shibata M, Tang C. Implications of Transient Receptor Potential Cation Channels in Migraine Pathophysiology. Neurosci Bull 2021; 37:103-116. [PMID: 32870468 PMCID: PMC7811976 DOI: 10.1007/s12264-020-00569-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 05/11/2020] [Indexed: 12/19/2022] Open
Abstract
Migraine is a common and debilitating headache disorder. Although its pathogenesis remains elusive, abnormal trigeminal and central nervous system activity is likely to play an important role. Transient receptor potential (TRP) channels, which transduce noxious stimuli into pain signals, are expressed in trigeminal ganglion neurons and brain regions closely associated with the pathophysiology of migraine. In the trigeminal ganglion, TRP channels co-localize with calcitonin gene-related peptide, a neuropeptide crucially implicated in migraine pathophysiology. Many preclinical and clinical data support the roles of TRP channels in migraine. In particular, activation of TRP cation channel V1 has been shown to regulate calcitonin gene-related peptide release from trigeminal nerves. Intriguingly, several effective anti-migraine therapies, including botulinum neurotoxin type A, affect the functions of TRP cation channels. Here, we discuss currently available data regarding the roles of major TRP cation channels in the pathophysiology of migraine and the therapeutic applicability thereof.
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Affiliation(s)
- Mamoru Shibata
- Department of Neurology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
- Department of Neurology, Tokyo Dental College Ichikawa General Hospital, Chiba, 272-8513, Japan.
| | - Chunhua Tang
- Department of Neurology, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Department of Neurology and Center for Clinical Neuroscience, Daping Hospital, Third Military Medical University, Chongqing, 400042, China
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25
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Peripheral Occipital Nerve Decompression Surgery in Migraine Headache. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e3019. [PMID: 33173659 PMCID: PMC7647655 DOI: 10.1097/gox.0000000000003019] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 06/08/2020] [Indexed: 01/20/2023]
Abstract
Migraine headache in the occipital region is characterized by a recurrent pain of moderate to severe intensity. However, the diagnosis can be difficult because of the multitude of symptoms overlapping with similar disorders and a pathophysiology that is not well-understood. For this reason, the medical management is often complex and ineffective.
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26
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Harriott AM, Chung DY, Uner A, Bozdayi RO, Morais A, Takizawa T, Qin T, Ayata C. Optogenetic Spreading Depression Elicits Trigeminal Pain and Anxiety Behavior. Ann Neurol 2020; 89:99-110. [PMID: 33016466 DOI: 10.1002/ana.25926] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 10/01/2020] [Accepted: 10/02/2020] [Indexed: 12/25/2022]
Abstract
OBJECTIVE Cortical spreading depression (SD) is an intense depolarization underlying migraine aura. Despite the weight of evidence linking SD to the pain phase of migraine, controversy remains over a causal role of SD in cephalgia because of the invasive nature of previous SD induction methods. To overcome this problem, we used a novel minimally invasive optogenetic SD induction method and examined the effect of SD on behavior. METHODS Optogenetic SD was induced as a single event or repeatedly every other day for 2 weeks. End points, including periorbital and hindpaw mechanical allodynia, mouse grimace, anxiety, and working memory, were examined in male and female mice. RESULTS A single SD produced bilateral periorbital mechanical allodynia that developed within 1 hour and resolved within 2 days. Sumatriptan prevented periorbital allodynia when administered immediately after SD. Repeated SDs also produced bilateral periorbital allodynia that lasted 4 days and resolved within 2 weeks after the last SD. In contrast, the hindpaw withdrawal thresholds did not change after repeated SDs suggesting that SD-induced allodynia was limited to the trigeminal region. Moreover, repeated SDs increased mouse grimace scores 2 days after the last SD, whereas a single SD did not. Repeated SDs also increased thigmotaxis scores as a measure of anxiety. In contrast, neither single nor repeated SDs affected visuospatial working memory. We did not detect sexual dimorphism in any end point. INTERPRETATION Altogether, these data show a clinically congruent causal relationship among SD, trigeminal pain, and anxiety behavior, possibly reflecting SD modulation of hypothalamic, thalamic, and limbic mechanisms. ANN NEUROL 2021;89:99-110.
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Affiliation(s)
- Andrea M Harriott
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA.,Vascular Division, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.,Headache and Neuropathic Pain Division, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
| | - David Y Chung
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA.,Division of Neurocritical Care, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
| | - Aylin Uner
- Baskent University Medical School, Ankara, Turkey
| | | | - Andreia Morais
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA
| | - Tsubasa Takizawa
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA.,Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Tao Qin
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA
| | - Cenk Ayata
- Neurovascular Research Laboratory, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, USA.,Vascular Division, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
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Laborc KF, Spekker E, Bohár Z, Szűcs M, Nagy-Grócz G, Fejes-Szabó A, Vécsei L, Párdutz Á. Trigeminal activation patterns evoked by chemical stimulation of the dura mater in rats. J Headache Pain 2020; 21:101. [PMID: 32799798 PMCID: PMC7429748 DOI: 10.1186/s10194-020-01169-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/07/2020] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Although migraine is one of the most common primary headaches, its therapy is still limited in many cases. The use of animal models is crucial in the development of novel therapeutic strategies, but unfortunately, none of them show all aspects of the disease, therefore, there is a constant need for further improvement in this field. The application of inflammatory agents on the dura mater is a widely accepted method to mimic neurogenic inflammation in rodents, which plays a key role in the pathomechanism of migraine. Complete Freund's Adjuvant (CFA), and a mixture of inflammatory mediators, called inflammatory soup (IS) are often used for this purpose. METHODS To examine the activation pattern that is caused by chemical stimulation of dura mater, we applied CFA or IS over the right parietal lobe. After 2 h and 4 h (CFA groups), or 2.5 h and 4 h (IS groups), animals were perfused, and c-Fos immunoreactive cells were counted in the caudal trigeminal nucleus. To explore every pitfall, we examined whether our surgical procedure (anesthetic drug, stereotaxic apparatus, local lidocaine) can alter the results under the same experimental settings. c-Fos labeled cells were counted in the second-order neuron area based on the somatotopic organization of the trigeminal nerve branches. RESULTS We could not find any difference between the CFA and physiological saline group neither 2 h, nor 4 h after dural stimulation. IS caused significant difference after both time points between IS treated and control group, and between treated (right) and control (left) side. Stereotaxic frame usage had a substantial effect on the obtained results. CONCLUSIONS Counting c-Fos immunoreactive cells based on somatotopic organization of the trigeminal nerve helped to examine the effect of chemical stimulation of dura in a more specific way. As a result, the use of IS over the parietal lobe caused activation in the area of the ophthalmic nerve. To see this effect, the use of lidocaine anesthesia is indispensable. In conclusion, application of IS on the dura mater induces short-term, more robust c-Fos activation than CFA, therefore it might offer a better approach to model acute migraine headache in rodents.
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Affiliation(s)
- Klaudia Flóra Laborc
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
| | - Eleonóra Spekker
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
| | - Zsuzsanna Bohár
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
- MTA-SZTE Neuroscience Research Group, Szeged, Hungary
| | - Mónika Szűcs
- Department of Medical Physics and Informatics, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Szeged, Hungary
| | - Gábor Nagy-Grócz
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
- Faculty of Health Sciences and Social Studies, University of Szeged, Szeged, Hungary
| | - Annamária Fejes-Szabó
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
- MTA-SZTE Neuroscience Research Group, Szeged, Hungary
| | - László Vécsei
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary.
- MTA-SZTE Neuroscience Research Group, Szeged, Hungary.
- Interdisciplinary Excellence Center, Faculty of Medicine, University of Szeged, Szeged, Hungary.
| | - Árpád Párdutz
- Department of Neurology, Faculty of Medicine, Albert Szent-Györgyi Clinical Center, University of Szeged, Semmelweis u. 6, Szeged, H-6725, Hungary
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Baldelli I, Lucia Mangialardi M, Salgarello M, Raposio E. Nummular Headache and Its Surgical Treatment. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2020; 8:e2989. [PMID: 32802677 PMCID: PMC7413807 DOI: 10.1097/gox.0000000000002989] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/26/2020] [Indexed: 01/03/2023]
Abstract
Nummular headache (NH) is an uncommon primary headache characterized by pain limited to a precise small area of the scalp. There is no global consensus on its pathogenesis, but its extracranial origin is the most accepted theory. Moreover, peripheral mechanism is supported by the overlapping symptomatology of secondary forms of NH and is well described in the literature. However, a standard effective treatment is still lacking. METHODS A literature search according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines was conducted to evaluate surgical strategies for NH. Inclusion criteria were English language, diagnosis of primary NH according to International Classification of Headache Disorders, 3rd Edition, or of secondary NH, and follow-up at a minimum of 3 months. The treatment had to consist of peripheral surgery. RESULTS One hundred eighty-seven records were identified after duplicates were removed, 15 full-text articles were assessed for eligibility, and 4 records were selected for inclusion. A total of 53 patients were included in this review, 50 of whom were diagnosed with primary NH. The general positive response after surgery (>50% reduction in occipital migraine headaches) was about 70.0% for primary NH, while secondary NH always showed complete pain relief. However, many variations in patient selection and type of surgery were described. CONCLUSIONS Neurovascular relationship in the extracranial tissues seems to be involved in the onset of NH. However, only limited data from meager literature and from few patients are currently available. Shared multicentric research protocols are badly required.
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Affiliation(s)
- Ilaria Baldelli
- From the Clinica di Chirurgia Plastica e Ricostruttiva, Ospedale Policlinico San Martino e Sezione di Chirurgia Plastica, Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate–DISC, Università degli Studi di Genova, Genova, Italy
| | - Maria Lucia Mangialardi
- Istituto di Clinica Chirurgica, Dipartimento Scienze della Salute della Donna e del Bambino, Università Cattolica del Sacro Cuore e Unità di Chirurgia Plastica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Marzia Salgarello
- Istituto di Clinica Chirurgica, Dipartimento Scienze della Salute della Donna e del Bambino, Università Cattolica del Sacro Cuore e Unità di Chirurgia Plastica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Edoardo Raposio
- From the Clinica di Chirurgia Plastica e Ricostruttiva, Ospedale Policlinico San Martino e Sezione di Chirurgia Plastica, Dipartimento di Scienze Chirurgiche e Diagnostiche Integrate–DISC, Università degli Studi di Genova, Genova, Italy
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Burstein R, Blumenfeld AM, Silberstein SD, Manack Adams A, Brin MF. Mechanism of Action of OnabotulinumtoxinA in Chronic Migraine: A Narrative Review. Headache 2020; 60:1259-1272. [PMID: 32602955 PMCID: PMC7496564 DOI: 10.1111/head.13849] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Revised: 04/20/2020] [Accepted: 05/04/2020] [Indexed: 12/15/2022]
Abstract
Objective To review the literature on the mechanism of action of onabotulinumtoxinA in chronic migraine. Background OnabotulinumtoxinA is a chronic migraine preventive treatment that significantly reduces headache frequency. The traditional mechanism described for onabotulinumtoxinA – reducing muscle contractions – is insufficient to explain its efficacy in migraine, which is primarily a sensory neurological disease. Methods A narrative literature review on the mechanism of action of onabotulinumtoxinA in chronic migraine. Results Following injection into tissues, onabotulinumtoxinA inhibits soluble N‐ethylmaleimide‐sensitive fusion attachment protein receptor (SNARE)‐mediated vesicle trafficking by cleaving one of its essential proteins, soluble N‐ethylmaleimide‐sensitive fusion attachment protein (SNAP‐25), which occurs in both motor and sensory nerves. OnabotulinumtoxinA inhibits regulated exocytosis of motor and sensory neurochemicals and proteins, as well as membrane insertion of peripheral receptors that convey pain from the periphery to the brain, because both processes are SNARE dependent. OnabotulinumtoxinA can decrease exocytosis of pro‐inflammatory and excitatory neurotransmitters and neuropeptides such as substance P, calcitonin gene‐related peptide, and glutamate from primary afferent fibers that transmit nociceptive pain and participate in the development of peripheral and central sensitization. OnabotulinumtoxinA also decreases the insertion of pain‐sensitive ion channels such as transient receptor potential cation channel subfamily V member 1 (TRPV1) into the membranes of nociceptive neurons; this is likely enhanced in the sensitized neuron. For chronic migraine prevention, onabotulinumtoxinA is injected into 31‐39 sites in 7 muscles of the head and neck. Sensory nerve endings of neurons whose cell bodies are located in trigeminal and cervical ganglia are distributed throughout the injected muscles, and are overactive in people with migraine. Through inhibition of these sensory nerve endings, onabotulinumtoxinA reduces the number of pain signals that reach the brain and consequently prevents activation and sensitization of central neurons postulated to be involved in migraine chronification. Conclusion OnabotulinumtoxinA likely acts via sensory mechanisms to treat chronic migraine.
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Affiliation(s)
- Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Andrew M Blumenfeld
- The Headache Center of Southern California, The Neurology Center, Carlsbad, CA, USA
| | - Stephen D Silberstein
- Department of Neurology Jefferson Headache Center, Thomas Jefferson University, Philadelphia, PA, USA
| | | | - Mitchell F Brin
- Allergan, Inc., Irvine, CA, USA.,University of California, Irvine, CA, USA
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30
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Hadjikhani N, Albrecht DS, Mainero C, Ichijo E, Ward N, Granziera C, Zürcher NR, Akeju O, Bonnier G, Price J, Hooker JM, Napadow V, Nahrendorf M, Loggia ML, Moskowitz MA. Extra-Axial Inflammatory Signal in Parameninges in Migraine with Visual Aura. Ann Neurol 2020; 87:939-949. [PMID: 32239542 DOI: 10.1002/ana.25731] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 02/20/2020] [Accepted: 03/22/2020] [Indexed: 01/04/2023]
Abstract
OBJECTIVE Cortical spreading depression (CSD) underlies the neurobiology of migraine with aura (MWA). Animal studies reveal networks of microvessels linking brain-meninges-bone marrow. CSD activates the trigeminovascular system, evoking a meningeal inflammatory response. Accordingly, this study examines the upregulation of an inflammatory marker in extra-axial tissues in migraine with visual aura. METHODS We used simultaneously acquired 11 C-PBR28 positron emission tomography/magnetic resonance imaging data of 18kDa translocator protein (an inflammatory marker) in MWA patients (n = 11) who experienced headaches and visual aura in the preceding month. We measured mean tracer uptake (standardized uptake value ratio [SUVR]) in 4 regions of interest comprising the meninges plus the adjacent overlying skull bone (parameningeal tissues [PMT]). These data were compared to healthy controls and patients with pain (chronic low back pain). RESULTS MWA had significantly higher mean SUVR in PMT overlying occipital cortex than both other groups, although not in the PMT overlying 3 other cortical areas. A positive correlation was also found between the number of visual auras and tracer uptake in occipital PMT. INTERPRETATION A strong persistent extra-axial inflammatory signal was found in meninges and calvarial bone overlying the occipital lobe in migraine with visual auras. Our findings are reminiscent of CSD-induced meningeal inflammation and provide the first imaging evidence implicating inflammation in the pathophysiology of migraine meningeal symptoms. We suspect that this inflammatory focus results from a signal that migrates from underlying brain and if so, may implicate newly discovered bridging vessels that crosstalk between brain and skull marrow, a finding of potential relevance to migraine and other neuroinflammatory brain disorders. ANN NEUROL 2020;87:939-949.
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Affiliation(s)
- Nouchine Hadjikhani
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Daniel S Albrecht
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Caterina Mainero
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Eri Ichijo
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Noreen Ward
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Cristina Granziera
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Nicole R Zürcher
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Oluwaseun Akeju
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Guillaume Bonnier
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Julie Price
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Jacob M Hooker
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Vitaly Napadow
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Matthias Nahrendorf
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Marco L Loggia
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Michael A Moskowitz
- Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
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Bone Anabolic Response in the Calvaria Following Mild Traumatic Brain Injury is Mediated by the Cannabinoid-1 Receptor. Sci Rep 2019; 9:16196. [PMID: 31700010 PMCID: PMC6838196 DOI: 10.1038/s41598-019-51720-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 09/27/2019] [Indexed: 12/28/2022] Open
Abstract
Brain trauma was clinically associated with increased osteogenesis in the appendicular skeleton. We showed previously in C57BL/6J mice that mild traumatic brain injury (mTBI) transiently induced bone formation in the femur via the cannabinoid-1 (CB1) receptor. Here, we subjected ICR mice to mTBI and examined the bone response in the skull using microCT. We also measured mast cell degranulation (MCD)72 h post-injury. Finally, we measured brain and calvarial endocannabinoids levels post-mTBI. mTBI led to decreased bone porosity on the contralateral (untouched) side. This effect was apparent both in young and mature mice. Administration of rimonabant (CB1 inverse agonist) completely abrogated the effect of mTBI on calvarial porosity and significantly reduced MCD, compared with vehicle-treated controls. We also found that mTBI resulted in elevated levels of anandamide, but not 2-arachidonoylglycerol, in the contralateral calvarial bone, whereas brain levels remained unchanged. In C57BL/6J CB1 knockout mice, mTBI did not reduce porosity but in general the porosity was significantly lower than in WT controls. Our findings suggest that mTBI induces a strain-specific CB1-dependent bone anabolic response in the skull, probably mediated by anandamide, but seemingly unrelated to inflammation. The endocannabinoid system is therefore a plausible target in management of bone response following head trauma.
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Rota E, Zucco R, Guerzoni S, Cainazzo MM, Pini LA, Catarci T, Granella F. Migraine Awareness in Italy and the Myth of “Cervical Arthrosis”. Headache 2019; 60:81-89. [DOI: 10.1111/head.13679] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Eugenia Rota
- Neurology Unit ASL Alessandria Novi Ligure Italy
| | - Riccardo Zucco
- Unit of Neurology Neuromotor Department Arcispedale SMN – IRCCS Reggio Emilia Italy
| | - Simona Guerzoni
- Medical Toxicology – Headache Center AOU Policlinico Modena Modena Italy
| | - Maria M. Cainazzo
- Medical Toxicology – Headache Center AOU Policlinico Modena Modena Italy
| | - Luigi A. Pini
- Medical Toxicology – Headache Center AOU Policlinico Modena Modena Italy
| | - Teresa Catarci
- Neurology Department Azienda Sanitaria Locale Roma 1 Rome Italy
| | - Franco Granella
- Unit of Neurology Department of Medicine and Surgery University of Parma Parma Italy
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Mancini AJ, Glassman RD, Chang YM, Burstein R, Ashina S. Headache in Petrous Apicitis: A Case Report of Chronic Migraine-like Headache Due to Peripheral Pathology. Headache 2019; 59:1821-1826. [PMID: 31535370 DOI: 10.1111/head.13643] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2019] [Indexed: 12/27/2022]
Abstract
OBJECTIVE To report a case of petrous apicitis that manifested as chronic migraine without aura and to discuss the pathophysiological mechanisms behind this presentation. BACKGROUND Petrous apicitis is a rare complication of acute otitis media with varied clinical presentations that stem from the close proximity of the petrous apex to numerous neurovascular structures. Headache is among the common symptoms of petrous apicitis. METHODS A case of new onset headache in the setting of petrous apicitis with symptomatic response to antibiotic therapy was reported. We provided a brief review of peripheral pathophysiological mechanisms of migraine and correlated to mechanism of headache in petrous apicitis. RESULTS A 65-year-old man with chronic otitis externa/media presented with ongoing headache fulfilling International Classification of Headache Disorders 3rd edition (ICHD-3) criteria for chronic migraine without aura that persisted despite undergoing right mastoidectomy and tympanoplasty with multiple courses of oral antibiotic therapy for his chronic otitis. MRI brain revealed petrous apicitis, otomastoiditis, and clival osteomyelitis. His imaging findings improved and his migraine-like headache completely resolved after treatment with a prolonged course of antibiotics. CONCLUSIONS Petrous apicitis can present as a headache with features of migraine, and in this case in particular, as chronic migraine without aura. The pathophysiological mechanisms that may underlie the generation of migraine-like headache in petrous apicitis may include the activation of nociceptive fibers within the periosteum of the petrous apex and clivus whose cell bodies originate in the trigeminal ganglion and upper cervical dorsal root ganglia. By treating the peripheral pathology, resolution of the headache may be achieved.
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Affiliation(s)
- Alyssa J Mancini
- Department of Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Rebecca D Glassman
- Department of Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Yu-Ming Chang
- Department of Radiology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.,BIDMC Comprehensive Headache Center, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Sait Ashina
- Department of Neurology, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.,Department of Anesthesia, Critical Care and Pain Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA, USA.,BIDMC Comprehensive Headache Center, Beth Israel Deaconess Medical Center, Boston, MA, USA
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Melo-Carrillo A, Strassman AM, Schain AJ, Noseda R, Ashina S, Adams A, Brin MF, Burstein R. Exploring the effects of extracranial injections of botulinum toxin type A on prolonged intracranial meningeal nociceptors responses to cortical spreading depression in female rats. Cephalalgia 2019; 39:1358-1365. [PMID: 31475573 PMCID: PMC6779016 DOI: 10.1177/0333102419873675] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background Botulinum neurotoxin type A, an FDA-approved prophylactic drug for chronic migraine, is thought to achieve its therapeutic effect through blocking activation of unmyelinated meningeal nociceptors and their downstream communications with myelinated nociceptors and potentially the vasculature and immune cells. Prior investigations to determine botulinum neurotoxin type A effects on meningeal nociceptors were carried out in male rats and tested with stimuli that act outside the blood brain barrier. Here, we sought to explore the effects of extracranial injections of botulinum neurotoxin type A on activation of meningeal nociceptors by cortical spreading depression, an event which occurs inside the blood brain barrier, in female rats. Material and methods Using single-unit recording, we studied myelinated C- and unmyelinated Aδ-meningeal nociceptors' responses to cortical spreading depression 7–14 days after injection of botulinum neurotoxin type A or saline along calvarial sutures. Results In female rats, responses to cortical spreading depression were typically more prolonged and, in some cases, began at relatively longer latencies post-cortical spreading depression, than had been observed in previous studies in male rats. Extracranial administration of botulinum neurotoxin type A reduced significantly the prolonged firing of the meningeal nociceptors, in the combined sample of Aδ- and C-fiber, but not their response probability. Discussion The findings suggest that the mechanism of action by which botulinum neurotoxin type A prevents migraine differ from the one by which calcitonin gene-related peptide monoclonal antibodies prevent migraine and that even when the origin of migraine is central (i.e. in the cortex), a peripherally acting drug can intercept/prevent the headache.
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Affiliation(s)
- Agustin Melo-Carrillo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Andrew M Strassman
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Aaron J Schain
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Rodrigo Noseda
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Sait Ashina
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
| | | | | | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston MA, USA.,Harvard Medical School, Boston, MA, USA
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Maurer M, Papotto N, Sertel-Nakajima J, Schueler M, De Col R, Möhrlen F, Messlinger K, Frings S, Carr RW. Photoactivation of olfactory sensory neurons does not affect action potential conduction in individual trigeminal sensory axons innervating the rodent nasal cavity. PLoS One 2019; 14:e0211175. [PMID: 31412038 PMCID: PMC6693769 DOI: 10.1371/journal.pone.0211175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 07/25/2019] [Indexed: 12/28/2022] Open
Abstract
Olfactory and trigeminal chemosensory systems reside in parallel within the mammalian nose. Psychophysical studies in people indicate that these two systems interact at a perceptual level. Trigeminal sensations of pungency mask odour perception, while olfactory stimuli can influence trigeminal signal processing tasks such as odour localization. While imaging studies indicate overlap in limbic and cortical somatosensory areas activated by nasal trigeminal and olfactory stimuli, there is also potential cross-talk at the level of the olfactory epithelium, the olfactory bulb and trigeminal brainstem. Here we explored the influence of olfactory and trigeminal signaling in the nasal cavity. A forced choice water consumption paradigm was used to ascertain whether trigeminal and olfactory stimuli could influence behaviour in mice. Mice avoided water sources surrounded by both volatile TRPV1 (cyclohexanone) and TRPA1 (allyl isothiocyanate) irritants and the aversion to cyclohexanone was mitigated when combined with a pure odorant (rose fragrance, phenylethyl alcohol, PEA). To determine whether olfactory-trigeminal interactions within the nose could potentially account for this behavioural effect we recorded from single trigeminal sensory axons innervating the nasal respiratory and olfactory epithelium using an isolated in vitro preparation. To circumvent non-specific effects of chemical stimuli, optical stimulation was used to excite olfactory sensory neurons in mice expressing channel-rhodopsin (ChR2) under the olfactory marker protein (OMP) promoter. Photoactivation of olfactory sensory neurons produced no modulation of axonal action potential conduction in individual trigeminal axons. Similarly, no evidence was found for collateral branching of trigeminal axon that might serve as a conduit for cross-talk between the olfactory and respiratory epithelium and olfactory dura mater. Using direct assessment of action potential activity in trigeminal axons we observed neither paracrine nor axon reflex mediated cross-talk between olfactory and trigeminal sensory systems in the rodent nasal cavity. Our current results suggest that olfactory sensory neurons exert minimal influence on trigeminal signals within the nasal cavity.
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Affiliation(s)
- Margot Maurer
- Experimental Pain Research, Medical Faculty Mannheim, University Heidelberg, Mannheim, Germany
| | - Nunzia Papotto
- Centre for Organismal Studies, University Heidelberg, Heidelberg, Germany
| | - Julika Sertel-Nakajima
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Markus Schueler
- Department of Nephrology and Hypertension, Friedrich-Alexander University Erlangen-Nürnberg, Germany
| | - Roberto De Col
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Frank Möhrlen
- Centre for Organismal Studies, University Heidelberg, Heidelberg, Germany
| | - Karl Messlinger
- Institute for Physiology and Pathophysiology, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Stephan Frings
- Centre for Organismal Studies, University Heidelberg, Heidelberg, Germany
| | - Richard W. Carr
- Experimental Pain Research, Medical Faculty Mannheim, University Heidelberg, Mannheim, Germany
- * E-mail:
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Abstract
Supplemental Digital Content is available in the text. This article is a practical and technical guide for plastic surgeons interested in or practicing migraine surgery. It discusses the goals of migraine surgery including selection of appropriate candidates (screening form contained), pertinent anatomy, and surgical techniques with text summary, intraoperative photographs, and videos. In addition, pearls and pitfalls, the most common complications, and current procedural terminology (CPT) coding are detailed.
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Blake P, Burstein R. Emerging evidence of occipital nerve compression in unremitting head and neck pain. J Headache Pain 2019; 20:76. [PMID: 31266456 PMCID: PMC6734343 DOI: 10.1186/s10194-019-1023-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Accepted: 06/10/2019] [Indexed: 02/07/2023] Open
Abstract
Unremitting head and neck pain (UHNP) is a commonly encountered phenomenon in Headache Medicine and may be seen in the setting of many well-defined headache types. The prevalence of UHNP is not clear, and establishing the presence of UHNP may require careful questioning at repeated patient visits. The cause of UHNP in some patients may be compression of the lesser and greater occipital nerves by the posterior cervical muscles and their fascial attachments at the occipital ridge with subsequent local perineural inflammation. The resulting pain is typically in the sub-occipital and occipital location, and, via anatomic connections between extracranial and intracranial nerves, may radiate frontally to trigeminal-innervated areas of the head. Migraine-like features of photophobia and nausea may occur with frontal radiation. Occipital allodynia is common, as is spasm of the cervical muscles. Patients with UHNP may comprise a subgroup of Chronic Migraine, as well as of Chronic Tension-Type Headache, New Daily Persistent Headache and Cervicogenic Headache. Centrally acting membrane-stabilizing agents, which are often ineffective for CM, are similarly generally ineffective for UHNP. Extracranially-directed treatments such as occipital nerve blocks, cervical trigger point injections, botulinum toxin and monoclonal antibodies directed at calcitonin gene related peptide, which act primarily in the periphery, may provide more substantial relief for UHNP; additionally, decompression of the occipital nerves from muscular and fascial compression is effective for some patients, and may result in enduring pain relief. Further study is needed to determine the prevalence of UHNP, and to understand the role of occipital nerve compression in UHNP and of occipital nerve decompression surgery in chronic head and neck pain.
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Affiliation(s)
- Pamela Blake
- University of Texas Health Science Center at Houston, 2711 Ferndale Street, Houston, TX, 77098, USA.
| | - Rami Burstein
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Ashina M, Hansen JM, Do TP, Melo-Carrillo A, Burstein R, Moskowitz MA. Migraine and the trigeminovascular system-40 years and counting. Lancet Neurol 2019; 18:795-804. [PMID: 31160203 DOI: 10.1016/s1474-4422(19)30185-1] [Citation(s) in RCA: 269] [Impact Index Per Article: 53.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/28/2019] [Accepted: 04/04/2019] [Indexed: 12/15/2022]
Abstract
The underlying causes of migraine headache remained enigmatic for most of the 20th century. In 1979, The Lancet published a novel hypothesis proposing an integral role for the neuropeptide-containing trigeminal nerve. This hypothesis led to a transformation in the migraine field and understanding of key concepts surrounding migraine, including the role of neuropeptides and their release from meningeal trigeminal nerve endings in the mechanism of migraine, blockade of neuropeptide release by anti-migraine drugs, and activation and sensitisation of trigeminal afferents by meningeal inflammatory stimuli and upstream role of intense brain activity. The study of neuropeptides provided the first evidence that antisera directed against calcitonin gene-related peptide (CGRP) and substance P could neutralise their actions. Successful therapeutic strategies using humanised monoclonal antibodies directed against CGRP and its receptor followed from these findings. Nowadays, 40 years after the initial proposal, the trigeminovascular system is widely accepted as having a fundamental role in this highly complex neurological disorder and provides a road map for future migraine therapies.
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Affiliation(s)
- Messoud Ashina
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Jakob Møller Hansen
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Thien Phu Do
- Danish Headache Center, Department of Neurology, Rigshospitalet Glostrup, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Agustin Melo-Carrillo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Michael A Moskowitz
- Department of Neurology and Department of Radiology, Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA
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Abstract
The application of cranial osteopathic manipulative medicine (OMM) is always controversial in the literature. Primary respiration related to the movement of spheno-basilar synchondrosis in the adult goes against the knowledge of complete ossification that occurs at this articulation after the pubertal phase. The idea that the operator's hands can communicate with the meninges is difficult to accept. The anatomy shows us that the fascial system involves the meninges and that from the microcellular point of view there are no layers that divide one tissue from another. The backing of new sciences, such as quantum physics, suggest that cranial palpation allows the osteopath to come into contact with the meninges. Recent scientific evidence shows that meningeal afferents can affect extracranial areas and that the pericranial musculature itself is able to influence these afferents. The article highlights some reflections in support of cranial osteopathy, based on scientific information that could help the osteopath to improve clinical work.
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Affiliation(s)
- Bruno Bordoni
- Cardiology, Foundation Don Carlo Gnocchi, Milan, ITA
| | - Bruno Morabito
- Osteopathy, School of Osteopathic Centre for Research and Studies, Milan, ITA
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Noseda R, Melo-Carrillo A, Nir RR, Strassman AM, Burstein R. Non-Trigeminal Nociceptive Innervation of the Posterior Dura: Implications to Occipital Headache. J Neurosci 2019; 39:1867-1880. [PMID: 30622169 PMCID: PMC6407291 DOI: 10.1523/jneurosci.2153-18.2018] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 11/08/2018] [Accepted: 12/27/2018] [Indexed: 12/28/2022] Open
Abstract
Current understanding of the origin of occipital headache falls short of distinguishing between cause and effect. Most preclinical studies involving trigeminovascular neurons sample neurons that are responsive to stimulation of dural areas in the anterior 2/3 of the cranium and the periorbital skin. Hypothesizing that occipital headache may involve activation of meningeal nociceptors that innervate the posterior ⅓ of the dura, we sought to map the origin and course of meningeal nociceptors that innervate the posterior dura overlying the cerebellum. Using AAV-GFP tracing and single-unit recording techniques in male rats, we found that neurons in C2-C3 DRGs innervate the dura of the posterior fossa; that nearly half originate in DRG neurons containing CGRP and TRPV1; that nerve bundles traverse suboccipital muscles before entering the cranium through bony canals and large foramens; that central neurons receiving nociceptive information from the posterior dura are located in C2-C4 spinal cord and that their cutaneous and muscle receptive fields are found around the ears, occipital skin and neck muscles; and that administration of inflammatory mediators to their dural receptive field, sensitize their responses to stimulation of the posterior dura, peri-occipital skin and neck muscles. These findings lend rationale for the common practice of attempting to alleviate migraine headaches by targeting the greater and lesser occipital nerves with anesthetics. The findings also raise the possibility that such procedures may be more beneficial for alleviating occipital than non-occipital headaches and that occipital migraines may be associated more closely with cerebellar abnormalities than in non-occipital migraines.SIGNIFICANCE STATEMENT Occipital headaches are common in both migraine and non-migraine headaches. Historically, two distinct scenarios have been proposed for such headaches; the first suggests that the headaches are caused by spasm or tension of scalp, shoulders, and neck muscles inserted in the occipital region, whereas the second suggests that these headaches are initiated by activation of meningeal nociceptors. The current study shows that the posterior dura overlying the cerebellum is innervated by cervicovascular neurons in C2 DRG whose axons reach the posterior dura through multiple intracranial and extracranial pathways, and sensitization of central cervicovascular neurons from the posterior dura can result in hyper-responsiveness to stimulation of neck muscles. The findings suggest that the origin of occipital and frontal migraine may differ.
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Affiliation(s)
- Rodrigo Noseda
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115
| | - Agustin Melo-Carrillo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115
| | - Rony-Reuven Nir
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115
| | - Andrew M Strassman
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts 02115
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Mason BN, Russo AF. Vascular Contributions to Migraine: Time to Revisit? Front Cell Neurosci 2018; 12:233. [PMID: 30127722 PMCID: PMC6088188 DOI: 10.3389/fncel.2018.00233] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 07/16/2018] [Indexed: 01/29/2023] Open
Abstract
Migraine is one of the most prevalent and disabling neurovascular disorders worldwide. However, despite the increase in awareness and research, the understanding of migraine pathophysiology and treatment options remain limited. For centuries, migraine was considered to be a vascular disorder. In fact, the throbbing, pulsating quality of the headache is thought to be caused by mechanical changes in vessels. Moreover, the most successful migraine treatments act on the vasculature and induction of migraine can be accomplished with vasoactive agents. However, over the past 20 years, the emphasis has shifted to the neural imbalances associated with migraine, and vascular changes have generally been viewed as an epiphenomenon that is neither sufficient nor necessary to induce migraine. With the clinical success of peripherally-acting antibodies that target calcitonin gene-related peptide (CGRP) and its receptor for preventing migraine, this neurocentric view warrants a critical re-evaluation. This review will highlight the likely importance of the vasculature in migraine.
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Affiliation(s)
- Bianca N Mason
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, United States
| | - Andrew F Russo
- Department of Molecular Physiology and Biophysics, University of Iowa, Iowa City, IA, United States.,Department of Neurology, University of Iowa, Iowa City, IA, United States.,Center for the Prevention and Treatment of Visual Loss, Iowa VA Health Care System, Iowa City, IA, United States
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Strides Toward Better Understanding of Post-Traumatic Headache Pathophysiology Using Animal Models. Curr Pain Headache Rep 2018; 22:67. [PMID: 30073545 DOI: 10.1007/s11916-018-0720-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW In recent years, the awareness of the detrimental impact of concussion and mild traumatic brain injuries (mTBI) is becoming more apparent. Concussive head trauma results in a constellation of cognitive and somatic symptoms of which post-traumatic headache is the most common. Our understanding of post-traumatic headache is limited by the paucity of well validated, characterized, and clinically relevant animal models with strong predictive validity. In this review, we aim to summarize and discuss current animal models of concussion/mTBI and related data that start to shed light on the pathophysiology of post-traumatic headache. RECENT FINDINGS Each of the models will be discussed in terms of their face, construct, and predictive validity as well as overall translational relevance to concussion, mTBI, and post-traumatic headache. Significant contributions to the pathophysiology of PTH garnered from these models are discussed as well as potential contributors to the development of chronic post-traumatic headache. Although post-traumatic headache is one of the most common symptoms following mild head trauma, there remains a disconnect between the study of mild traumatic brain injury and headache in the pre-clinical literature. A greater understanding of the relationship between these phenomena is currently needed to provide more insight into the increasing frequency of this debilitating condition in both military and civilian populations.
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Shoffstall AJ, Paiz J, Miller D, Rial G, Willis M, Menendez D, Hostler S, Capadona JR. Potential for thermal damage to the blood-brain barrier during craniotomy: implications for intracortical recording microelectrodes. J Neural Eng 2018; 15:034001. [PMID: 29205169 PMCID: PMC6482047 DOI: 10.1088/1741-2552/aa9f32] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Our objective was to determine how readily disruption of the blood-brain barrier (BBB) occurred as a result of bone drilling during a craniotomy to implant microelectrodes in rat cortex. While the phenomenon of heat production during bone drilling is well known, practices to evade damage to the underlying brain tissue are inconsistently practiced and reported in the literature. APPROACH We conducted a review of the intracortical microelectrode literature to summarize typical approaches to mitigate drill heating during rodent craniotomies. Post mortem skull-surface and transient brain-surface temperatures were experimentally recorded using an infrared camera and thermocouple, respectively. A number of drilling conditions were tested, including varying drill speed and continuous versus intermittent contact. In vivo BBB permeability was assayed 1 h after the craniotomy procedure using Evans blue dye. MAIN RESULTS Of the reviewed papers that mentioned methods to mitigate thermal damage during craniotomy, saline irrigation was the most frequently cited (in six of seven papers). In post mortem tissues, we observed increases in skull-surface temperature ranging from +3 °C to +21 °C, dependent on drill speed. In vivo, pulsed-drilling (2 s-on/2 s-off) and slow-drilling speeds (1000 r.p.m.) were the most effective methods we studied to mitigate heating effects from drilling, while inconclusive results were obtained with saline irrigation. SIGNIFICANCE Neuroinflammation, initiated by damage to the BBB and perpetuated by the foreign body response, is thought to play a key role in premature failure of intracortical recording microelectrodes. This study demonstrates the extreme sensitivity of the BBB to overheating caused by bone drilling. To avoid damage to the BBB, the authors recommend that craniotomies be drilled with slow speeds and/or with intermittent drilling with complete removal of the drill from the skull during 'off' periods. While saline alone was ineffective at preventing overheating, its use is still recommended to remove bone dust from the surgical site and to augment other cooling methods.
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Affiliation(s)
- Andrew J. Shoffstall
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
- Advanced Platform Technology Center, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, 10701 East Blvd, 151 W/APT, Cleveland, OH 44106-1702, USA
| | - Jen Paiz
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
| | - David Miller
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
| | - Griffin Rial
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
| | - Mitchell Willis
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
| | - Dhariyat Menendez
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
| | - Stephen Hostler
- Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH 44106
| | - Jeffrey R. Capadona
- Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44016
- Advanced Platform Technology Center, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, 10701 East Blvd, 151 W/APT, Cleveland, OH 44106-1702, USA
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Rua R, McGavern DB. Advances in Meningeal Immunity. Trends Mol Med 2018; 24:542-559. [PMID: 29731353 PMCID: PMC6044730 DOI: 10.1016/j.molmed.2018.04.003] [Citation(s) in RCA: 163] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/08/2018] [Accepted: 04/09/2018] [Indexed: 12/26/2022]
Abstract
The central nervous system (CNS) is an immunologically specialized tissue protected by a blood-brain barrier. The CNS parenchyma is enveloped by a series of overlapping membranes that are collectively referred to as the meninges. The meninges provide an additional CNS barrier, harbor a diverse array of resident immune cells, and serve as a crucial interface with the periphery. Recent studies have significantly advanced our understanding of meningeal immunity, demonstrating how a complex immune landscape influences CNS functions under steady-state and inflammatory conditions. The location and activation state of meningeal immune cells can profoundly influence CNS homeostasis and contribute to neurological disorders, but these cells are also well equipped to protect the CNS from pathogens. In this review, we discuss advances in our understanding of the meningeal immune repertoire and provide insights into how this CNS barrier operates immunologically under conditions ranging from neurocognition to inflammatory diseases.
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Affiliation(s)
- Rejane Rua
- Viral Immunology and Intravital Imaging Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA
| | - Dorian B McGavern
- Viral Immunology and Intravital Imaging Section, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892, USA.
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Sprenger T, Viana M, Tassorelli C. Current Prophylactic Medications for Migraine and Their Potential Mechanisms of Action. Neurotherapeutics 2018; 15:313-323. [PMID: 29671241 PMCID: PMC5935650 DOI: 10.1007/s13311-018-0621-8] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
A relatively high number of different medications is currently used for migraine prevention in clinical practice. Although these compounds were initially developed for other indications and differ in their mechanisms of action, some general themes can be identified from the mechanisms at play. Efficacious preventive drugs seem to either suppress excitatory nervous signaling via sodium and/or calcium receptors, facilitate GABAergic inhibition, reduce neuronal sensitization, block cortical spreading depression and/or reduce circulating levels of CGRP. We here review such mechanisms for the different compounds.
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Affiliation(s)
- Till Sprenger
- Department of Neurology, DKD Helios Klinik Wiesbaden, Aukammallee 33, 65191, Wiesbaden, Germany.
| | - M Viana
- Headache Science Centre, IRCCS Mondino Foundation, 27100, Pavia, Italy
| | - C Tassorelli
- Headache Science Centre, IRCCS Mondino Foundation, 27100, Pavia, Italy
- Department of Brain and Behavioral Sciences, University of Pavia, 27100, Pavia, Italy
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Abstract
PURPOSE OF REVIEW To summarize recent clinical and preclinical studies on extracranial pathophysiologies in migraine. It challenges the opinion-based notion that the headache phase of migraine occurs without input from peripheral nociceptors or is caused solely by activation of intracranial nociceptors supplying dural and cerebral vasculature. RECENT FINDINGS Data that support a scenario by which migraine can originate extracranially include the perception of imploding headache that hurts outside the cranium, the existence of a network of sensory fibers that bifurcate from parent axons of intracranial meningeal nociceptors and reach extracranial tissues such as periosteum and pericranial muscles by crossing the calvarial bones through the sutures, the discovery of proinflammatory genes that are upregulated and anti-inflammatory genes that are down regulated in extracranial tissue of chronic migraine patients, and evidence that administration of OnabotulinumtoxinA to peripheral tissues outside the calvaria reduces frequency of migraine headache. SUMMARY These findings seeks to shift clinical practice from prophylactically treating chronic migraine solely with medications that reduce neuronal excitability to treating irritated nociceptors or affected tissues. The findings also seeks to shift current research from focusing solely on central nervous system alterations and activation of meningeal nociceptors as a prerequisite for studying migraine.
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Ren L, Chang MJ, Zhang Z, Dhaka A, Guo Z, Cao YQ. Quantitative Analysis of Mouse Dural Afferent Neurons Expressing TRPM8, VGLUT3, and NF200. Headache 2017; 58:88-101. [PMID: 28925503 DOI: 10.1111/head.13188] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/20/2017] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To quantify the abundance of dural afferent neurons expressing transient receptor potential channel melastatin 8 (TRPM8), vesicular glutamate transporter 3 (VGLUT3), and neurofilament 200 (NF200) in adult mice. BACKGROUND With the increasing use of mice as a model system to study headache mechanisms, it is important to understand the composition of dural afferent neurons in mice. In a previous study, we have measured the abundance of mouse dural afferent neurons that express neuropeptide calcitonin gene-related peptide as well as two TRP channels TRPV1 and TRPA1, respectively. Here, we conducted quantitative analysis of three other dural afferent subpopulations in adult mice. METHODS We used the fluorescent tracer Fluoro-Gold to retrogradely label dural afferent neurons in adult mice expressing enhanced green fluorescent protein in discrete subpopulations of trigeminal ganglion (TG) neurons. Mechanoreceptors with myelinated fibers were identified by NF200 immunoreactivity. We also conducted Ca2+ -imaging experiments to test the overlap between TRPM8 and VGLUT3 expression in mouse primary afferent neurons (PANs). RESULTS The abundance of TRPM8-expressing neurons in dural afferent neurons was significantly lower than that in total TG neurons. The percentages of dural afferent neurons expressing VGLUT3 and NF200 were comparable to those of total TG neurons, respectively. TRPM8 agonist menthol evoked Ca2+ influx in less than 7% VGLUT3-expressing PANs in adult mice. CONCLUSIONS TG neurons expressing TRPM8, VGLUT3, and NF200 all innervate adult mouse dura. TRPM8 and VGLUT3 are expressed in distinct subpopulations of PANs in adult mice. These results provide an anatomical basis to investigate headache mechanisms in mouse models.
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Affiliation(s)
- Lynn Ren
- Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Michelle Jaehee Chang
- Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Zhiyu Zhang
- Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Ajay Dhaka
- Department of Biological Structure, Neurobiology and Behavior Graduate Program, University of Washington, Seattle, WA, USA
| | - Zhaohua Guo
- Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Yu-Qing Cao
- Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
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48
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Kayama Y, Shibata M, Takizawa T, Ibata K, Shimizu T, Ebine T, Toriumi H, Yuzaki M, Suzuki N. Functional interactions between transient receptor potential M8 and transient receptor potential V1 in the trigeminal system: Relevance to migraine pathophysiology. Cephalalgia 2017; 38:833-845. [PMID: 28554243 PMCID: PMC5896691 DOI: 10.1177/0333102417712719] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Background Recent genome-wide association studies have identified transient receptor potential M8 (TRPM8) as a migraine susceptibility gene. TRPM8 is a nonselective cation channel that mediates cool perception. However, its precise role in migraine pathophysiology is elusive. Transient receptor potential V1 (TRPV1) is a nonselective cation channel activated by noxious heat. Both TRPM8 and TRPV1 are expressed in trigeminal ganglion (TG) neurons. Methods We investigated the functional roles of TRPM8 and TRPV1 in a meningeal inflammation-based migraine model by measuring the effects of facial TRPM8 activation on thermal allodynia and assessing receptor coexpression changes in TG neurons. We performed retrograde tracer labeling to identify TG neurons innervating the face and dura. Results We found that pharmacological TRPM8 activation reversed the meningeal inflammation-induced lowering of the facial heat pain threshold, an effect abolished by genetic ablation of TRPM8. No significant changes in the heat pain threshold were seen in sham-operated animals. Meningeal inflammation caused dynamic alterations in TRPM8/TRPV1 coexpression patterns in TG neurons, and colocalization was most pronounced when the ameliorating effect of TRPM8 activation on thermal allodynia was maximal. Our tracer assay disclosed the presence of dura-innervating TG neurons sending collaterals to the face. Approximately half of them were TRPV1-positive. We also demonstrated functional inhibition of TRPV1 by TRPM8 in a cell-based assay using c-Jun N-terminal kinase phosphorylation as a surrogate marker. Conclusions Our findings provide a plausible mechanism to explain how facial TRPM8 activation can relieve migraine by suppressing TRPV1 activity. Facial TRPM8 appears to be a promising therapeutic target for migraine.
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Affiliation(s)
- Yohei Kayama
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Mamoru Shibata
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Tsubasa Takizawa
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Keiji Ibata
- 2 Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Toshihiko Shimizu
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Taeko Ebine
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Haruki Toriumi
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Michisuke Yuzaki
- 2 Department of Physiology, Keio University School of Medicine, Tokyo, Japan
| | - Norihiro Suzuki
- 1 Department of Neurology, Keio University School of Medicine, Tokyo, Japan
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49
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Stratford JM, Larson ED, Yang R, Salcedo E, Finger TE. 5-HT 3A -driven green fluorescent protein delineates gustatory fibers innervating sour-responsive taste cells: A labeled line for sour taste? J Comp Neurol 2017; 525:2358-2375. [PMID: 28316078 DOI: 10.1002/cne.24209] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 03/03/2017] [Accepted: 03/10/2017] [Indexed: 12/29/2022]
Abstract
Taste buds contain multiple cell types with each type expressing receptors and transduction components for a subset of taste qualities. The sour sensing cells, Type III cells, release serotonin (5-HT) in response to the presence of sour (acidic) tastants and this released 5-HT activates 5-HT3 receptors on the gustatory nerves. We show here, using 5-HT3A GFP mice, that 5-HT3 -expressing nerve fibers preferentially contact and receive synaptic contact from Type III taste cells. Further, these 5-HT3 -expressing nerve fibers terminate in a restricted central-lateral portion of the nucleus of the solitary tract (nTS)-the same area that shows increased c-Fos expression upon presentation of a sour tastant (30 mM citric acid). This acid stimulation also evokes c-Fos in the laterally adjacent mediodorsal spinal trigeminal nucleus (DMSp5), but this trigeminal activation is not associated with the presence of 5-HT3 -expressing nerve fibers as it is in the nTS. Rather, the neuronal activation in the trigeminal complex likely is attributable to direct depolarization of acid-sensitive trigeminal nerve fibers, for example, polymodal nociceptors, rather than through taste buds. Taken together, these findings suggest that transmission of sour taste information involves communication between Type III taste cells and 5-HT3 -expressing afferent nerve fibers that project to a restricted portion of the nTS consistent with a crude mapping of taste quality information in the primary gustatory nucleus.
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Affiliation(s)
- J M Stratford
- Department of Cell and Developmental Biology, University of Colorado School of Medicine, Aurora, Colorado.,Rocky Mountain Taste and Smell Center, University of Colorado School of Medicine, Aurora, Colorado
| | - E D Larson
- Rocky Mountain Taste and Smell Center, University of Colorado School of Medicine, Aurora, Colorado.,Department of Otolaryngology, University of Colorado School of Medicine, Aurora, Colorado
| | - R Yang
- Department of Cell and Developmental Biology, University of Colorado School of Medicine, Aurora, Colorado.,Rocky Mountain Taste and Smell Center, University of Colorado School of Medicine, Aurora, Colorado
| | - E Salcedo
- Department of Cell and Developmental Biology, University of Colorado School of Medicine, Aurora, Colorado.,Rocky Mountain Taste and Smell Center, University of Colorado School of Medicine, Aurora, Colorado
| | - T E Finger
- Department of Cell and Developmental Biology, University of Colorado School of Medicine, Aurora, Colorado.,Rocky Mountain Taste and Smell Center, University of Colorado School of Medicine, Aurora, Colorado
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50
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Schain AJ, Melo-Carrillo A, Strassman AM, Burstein R. Cortical Spreading Depression Closes Paravascular Space and Impairs Glymphatic Flow: Implications for Migraine Headache. J Neurosci 2017; 37:2904-2915. [PMID: 28193695 PMCID: PMC5354333 DOI: 10.1523/jneurosci.3390-16.2017] [Citation(s) in RCA: 143] [Impact Index Per Article: 20.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 01/19/2017] [Accepted: 01/23/2017] [Indexed: 01/03/2023] Open
Abstract
Functioning of the glymphatic system, a network of paravascular tunnels through which cortical interstitial solutes are cleared from the brain, has recently been linked to sleep and traumatic brain injury, both of which can affect the progression of migraine. This led us to investigate the connection between migraine and the glymphatic system. Taking advantage of a novel in vivo method we developed using two-photon microscopy to visualize the paravascular space (PVS) in naive uninjected mice, we show that a single wave of cortical spreading depression (CSD), an animal model of migraine aura, induces a rapid and nearly complete closure of the PVS around surface as well as penetrating cortical arteries and veins lasting several minutes, and gradually recovering over 30 min. A temporal mismatch between the constriction or dilation of the blood vessel lumen and the closure of the PVS suggests that this closure is not likely to result from changes in vessel diameter. We also show that CSD impairs glymphatic flow, as indicated by the reduced rate at which intraparenchymally injected dye was cleared from the cortex to the PVS. This is the first observation of a PVS closure in connection with an abnormal cortical event that underlies a neurological disorder. More specifically, the findings demonstrate a link between the glymphatic system and migraine, and suggest a novel mechanism for regulation of glymphatic flow.SIGNIFICANCE STATEMENT Impairment of brain solute clearance through the recently described glymphatic system has been linked with traumatic brain injury, prolonged wakefulness, and aging. This paper shows that cortical spreading depression, the neural correlate of migraine aura, closes the paravascular space and impairs glymphatic flow. This closure holds the potential to define a novel mechanism for regulation of glymphatic flow. It also implicates the glymphatic system in the altered cortical and endothelial functioning of the migraine brain.
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Affiliation(s)
- Aaron J Schain
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, and
- Harvard Medical School, Boston, Massachusetts 02215
| | - Agustin Melo-Carrillo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, and
- Harvard Medical School, Boston, Massachusetts 02215
| | - Andrew M Strassman
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, and
- Harvard Medical School, Boston, Massachusetts 02215
| | - Rami Burstein
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, and
- Harvard Medical School, Boston, Massachusetts 02215
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