Abstract
The functional pharmacological properties of a group of quinoline-derivatives were screened for agonist activity at 5-HT1-like receptors mediating vasoconstriction. In experimental models predictive of antimigraine activity, 2-(2-aminoethyl) quinoline hydrochloride (D-1997) exhibited higher potency and efficacy at vasoconstrictor 5-HT1-like receptors than quipazine. D-1997 was also found to activate a novel vasoconstrictor mechanism in the carotid circulation. It is suggested D-1997 may represent a useful lead in the search for better acute antimigraine therapies.
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