The Relaxant Effect of Crocin on Rat Tracheal Smooth Muscle and Its Possible Mechanisms
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Crocin, a component of saffron, showed hypotensive which is perhaps due to vascular smooth muscle relaxant effect. The relaxant effects of saffron on tracheal smooth muscle also could be due to its constituent, crocin. In the present study, the relaxant effects of crocin and its possible mechanisms on rat tracheal smooth muscle were investigated. The relaxant effects of three cumulative concentrations of crocin (30, 60, and 120 μM) or theophylline (0.2, 0.4, 0.6 mM) as positive control was examined on pre-contracted tracheal smooth muscle by methacholine or KCl in non-incubated or incubated conditions with different agents including atropine, chlorpheniramine, indomethacin, diltiazem, glibenclamide and propranolol. In non-incubated tracheal smooth muscle, crocin showed significant relaxant effects on KCl induced muscle contraction (p
Keywords:
Crocin , Smooth muscle , Trachea , Receptors , Adrenergic , Muscarinic
Language:
English
Published:
Iranian Journal of Pharmaceutical Research, Volume:18 Issue: 3, Summer 2019
Pages:
1358 to 1370
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