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Could Experimental Inflammation Provide Better Understanding of Migraines?

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Migraines constitute a common neurological and headache disorder affecting around 15% of the world's population. In addition to other mechanisms, neurogenic neuroinflammation has been proposed to play a part in migraine chronification, which includes peripheral and central sensitization. There is therefore considerable evidence suggesting that inflammation in the intracranial meninges could be a key element in addition to calcitonin gene-related peptide (CGRP), leading to sensitization of trigeminal meningeal nociceptors in migraines. There are several studies that have utilized this approach, with a strong focus on using inflammatory animal models. Data from these studies show that the inflammatory process involves sensitization of trigeminovascular afferent nerve terminals. Further, by applying a wide range of different pharmacological interventions, insight has been gained on the pathways involved. Importantly, we discuss how animal models should be used with care and that it is important to evaluate outcomes in the light of migraine pathology.

Original languageEnglish
Article number2444
JournalCells
Volume11
Issue number15
Number of pages17
ISSN2073-4409
DOIs
Publication statusPublished - 6 Aug 2022

    Research areas

  • Animals, Calcitonin Gene-Related Peptide/metabolism, Inflammation, Meninges, Migraine Disorders, Nociceptors/metabolism

ID: 80366135