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Lack of involvement of the endothelium in glabridin-induced vasorelaxation. Representative traces illustrating the relaxation by 30 μM glabridin of mesenteric arteries preconstricted with 0.2 μM U46619. A) endothelium-intact artery, B) endothelium-intact artery pretreated with 300 μM L-NAME and 10 μM indomethacin, C) endothelium-denuded artery.
