Betahistine methanesulfonate is a structural analog of histamine [
H0146, dihydrochloride] that acts both as a partial histamine H
1-receptor agonist and histamine H
3-receptor antagonist in neuronal tissue. Betahistine increases histamine turnover and release by blocking presynaptic H
3-receptors and inducing H
3-receptor downregulation.
1-3) Reportedly, betahistine increases in vestibular blood flow, and is used as an antivertigo agent in clinical.
2,3) Recently, it has been reported that betahistine induced the recall of forgotten memories in mice.
4) (The product is for research purpose only.)