期刊
BRAIN RESEARCH REVIEWS
卷 49, 期 1, 页码 65-76出版社
ELSEVIER
DOI: 10.1016/j.brainresrev.2004.11.006
关键词
allergy; CRH; histamine; mast cells; migraines; stress
资金
- NIAMS NIH HHS [AR47652] Funding Source: Medline
- NINDS NIH HHS [NS38326, R01 NS038326] Funding Source: Medline
Mast cells are critical players in allergic reactions, but they have also been shown to be important in immunity and recently also in inflammatory diseases, especially asthma. Migraines are episodic, typically unilateral, throbbing headaches that occur more frequently in patients with allergy and asthma implying involvement of meningeal and/or brain mast cells. These mast cells are located perivascularty, in close association with neurons especially in the dura, where they can be activated following trigeminal nerve, as well as cervical or sphenopalatine ganglion stimulation. Neuropeptides such as calcitonin gene-related peptide (CGRP), hemokinin A, neurotensin (NT), pituitary adenylate cyclase activating peptide (PACAP), and Substance P (SP) activate mast cells leading to secretion of vasoactive, proinflammatory, and neurosensitizing mediators, thereby contributing to migraine pathogenesis. Brain mast cells can also secrete proinflammatory and vasodilatory molecules such as interieukin-6 (IL-6) and vascular endothelial growth factor (VEGF), selectively in response to corticotrop in-releasing hormone (CRH), a mediator of stress which is known to precipitate or exacerbate migraines. A better understanding of brain mast cell activation in migraines would be useful and could lead to several points of prophylactic intervention. (c) 2005 Elsevier B.V. All rights reserved.
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