The 'headache tree' via umbellulone and TRPA1 activates the trigeminovascular system.
Nassini R, Materazzi S, Vriens J, Prenen J, Benemei S, De Siena G, la Marca G, Andrè E, Preti D, Avonto C, Sadofsky L, Di Marzo V, De Petrocellis L, Dussor G, Porreca F, Taglialatela-Scafati O, Appendino G, Nilius B, Geppetti P.
Nassini R, et al.
Brain. 2012 Feb;135(Pt 2):376-90. doi: 10.1093/brain/awr272. Epub 2011 Oct 27.
Brain. 2012.
PMID: 22036959
Umbellulone evoked a calcium-dependent release of calcitonin gene-related peptide from rodent trigeminal nerve terminals in the dura mater. In wild-type mice, umbellulone elicited excitation of trigeminal neurons and released calcitonin gene-related peptide from sen …
Umbellulone evoked a calcium-dependent release of calcitonin gene-related peptide from rodent trigeminal nerve terminals in the dura …