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Histaminergic regulation of smooth muscles in rabbit pulmonary arteries
L V Kapilevich1, Y D Anfinogenova, A V Nosarev
1Siberian State Medical University, Tomsk. kapil@aport.ru
Bulletin of Experimental Biology and Medicine
|November 20, 2001
Abstract:
Histaminergic contractile reactions of smooth muscles in rabbit lobar pulmonary arteries were studied using in vitro mechanographic technique. Histamine via activation of H-receptors induced a dose-dependent constriction of smooth muscle segments, while endothelium inhibited histamine-induced contractile reactions. Histamine increased sensitivity of smooth muscle cells in pulmonary artery to sodium nitroprusside.