期刊
CEPHALALGIA
卷 42, 期 14, 页码 1565-1588出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/03331024221118924
关键词
Headache; migraine; cytokine; chemokine; inflammation; pathophysiology
This systematic review investigated the levels of cytokines in migraine patients during and outside attacks. It found that the anti-inflammatory cytokine interleukin 10 was decreased, while transforming growth factor beta 1 was increased in migraine patients compared to controls during non-attack periods. Pro-inflammatory cytokines, tumor necrosis factor alpha and interleukin 6, were increased in migraine patients compared to controls outside attacks. The levels of cytokines during attacks varied. The review suggests an involvement of cytokines in the inflammatory mechanisms of migraine.
Background Cytokines are important endogenous substances that are involved in immune and inflammatory responses. Neurogenic inflammation has been proposed to play a role in migraine involving altered cytokine levels. Therefore, we aimed to provide a systematic review on the current knowledge on cytokine levels in migraine patients during and outside attacks. Methods Databases of PubMed and Embase were systematically searched for studies investigating cytokine levels in migraine patients during and outside attacks. Results Screening yielded identification of 45 articles investigating 18 cytokines in total. We found that the interictal level of the anti-inflammatory cytokine, interleukin 10, was decreased, while the level of transforming growth factor beta 1 was increased in migraine patients compared to controls. Levels of pro-inflammatory cytokines, tumor necrosis factor alpha and interleukin 6, were increased outside attacks compared to controls. Ictal levels of cytokines were unchanged or varying compared to the interictal state in migraine patients. Three studies reported dynamic cytokines levels during the course of an attack. Conclusion The findings of the current review underline a possible involvement of cytokines in the proposed inflammatory mechanisms of migraine. However, future studies are needed to expand our knowledge of the exact role of cytokines in the migraine pathophysiology with focus on cytokines TNF-alpha, IL-1ss, IL-6 and IL-10 while applying refined methodology.
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