title: [Effect of unprepared and prepared "he zi" on contraction of isolated trachea smooth muscle in rabbits].
abstract: Isolated trachea smooth muscle in rabbits induced by Ach or KCl was adopted to study the effect of unprepared and prepared "He Zi". The results showed that unprepared "He Zi" couldn't affect the contraction of isolated trachea smooth muscle in rabbit induced by Ach or KCl, and that prepared "He Zi" couldn't affect the contraction of isolated trachea smooth muscle in rabbit induced by KCl. The results also showed that prepared "He Zi" could significantly inhibit the contraction induced by Ach. The inhibition effect may not be associated with cGMP, adrenergic receptor, and release of NO and prostaglandin, and was epithelium independent. Maybe the different content of tannic acid contributed to the different effect between unprepared and prepared "He Zi".
authors.affiliation: Lanzhou Medical College, Lanzhou 730000.
authors.forename: J
authors.initials: J
authors.lastname: Pang
authors.forename: T
authors.initials: T
authors.lastname: Zheng
authors.forename: X
authors.initials: X
authors.lastname: Zhang
authors.forename: H
authors.initials: H
authors.lastname: Li
authors.forename: Y
authors.initials: Y
authors.lastname: Ding
authors.forename: Y
authors.initials: Y
authors.lastname: Wei
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000818:Animals; D001993:Bronchodilator Agents / Q000494:pharmacology*; D004365:Drugs, Chinese Herbal / Q000494:pharmacology*; D005260:Female; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects / Q000502:physiology*; D011817:Rabbits; D029766:Terminalia; D014132:Trachea / Q000187:drug effects / Q000502:physiology
chemical_list: D001993:Bronchodilator Agents; D004365:Drugs, Chinese Herbal; D000109:Acetylcholine