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Trends Mol Med. 2010 Apr;16(4):153-9. doi: 10.1016/j.molmed.2010.02.004. Epub 2010 Mar 27.

TRPV1 in migraine pathophysiology.

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  • 1Department of Neurology, Charit√© Universit√§tsmedizin Berlin, Charit√©platz 1, 10117 Berlin, Germany.

Abstract

Migraine is among the most prevalent headache disorders and results from dysfunctions within the trigeminovascular system (TVS). The inflammatory processes that have been suggested to occur in the cascade of events resulting in migraine sensitise trigeminal nociceptors, possibly causing hyperalgesia and allodynia. Trigeminal nociceptors express the heat- and capsaicin-gated channel TRPV1, which seems to play a significant role in the development of peripheral and central sensitisation and of hyperalgesia and allodynia. Here, we review the molecular mechanisms leading to the sensitisation of TRPV1 and attempt to link them to migraine-relevant pathophysiological processes. We argue that antagonising TRPV1 sensitisation is a promising approach and should receive more attention in future research as well as in the development of anti-migraine drugs.

PMID:
20347391
[PubMed - indexed for MEDLINE]
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