Proton acts as a neurotransmitter for nicotine-induced adrenergic and CGRPergic nerve-mediated vasodilation in the rat mesenteric artery.

Kawasaki H, Eguchi S, Miyashita S, Chan S, Hirai K, Hobara N, Yokomizo A, Fujiwara H, Zamami Y, Koyama T, Jin X, Kitamura Y.

J Pharmacol Exp Ther.