神香草不同洗脱物对豚鼠离体气管平滑肌收缩的影响 点击下载
论文标题: 神香草不同洗脱物对豚鼠离体气管平滑肌收缩的影响
英文标题:
中文摘要: 目的:考察维药神香草不同洗脱物对豚鼠离体支气管平滑肌收缩的影响。方法:制备豚鼠离体气管环后浸泡于克-亨液中,以乙酰胆碱(ACh,1×10-7 g/mL)或组胺(His,1×10-6 g/mL)致气管环收缩,然后分别考察质量浓度为0.08、0.16、0.32、0.64、1.28、2.56 mg/mL的神香草水洗脱物和30%、50%、60%、70%、95%的乙醇洗脱物对气管环收缩的影响,记录收缩曲线并计算解痉率;试验均以生理盐水为空白对照,以氨茶碱(0.08 mg/mL)为阳性对照。结果:与空白对照比较,0.16~2.56 mg/mL 的30%、50%乙醇洗脱物,0.32~2.56 mg/mL的60%乙醇洗脱物以及0.64~2.56 mg/mL的70%、95%乙醇洗脱物均可明显抑制ACh致气管环收缩,解痉率均明显升高(P<0.05或P<0.01);0.32~2.56 mg/mL的水洗脱物和30%、50%乙醇洗脱物,0.16~2.56 mg/mL的60%、70%乙醇洗脱物以及1.28~2.56 mg/mL的95%乙醇洗脱物可明显抑制His致气管环收缩,解痉率均明显升高(P<0.05或P<0.01);其中2.56 mg/mL的60%乙醇洗脱物作用效果与氨茶碱接近。结论:神香草不同洗脱物对ACh或His致豚鼠离体支气管平滑肌收缩均有一定的抑制作用;其中以60%乙醇洗脱物作用最强,其在高质量浓度下作用与氨茶碱相当。
英文摘要: OBJECTIVE: To investigate the effects of different elutions of Hyssopus cuspidatus on smooth muscle contraction of isolated tracheal in Guinea pigs. METHODS: Isolated tracheal rings were prepared and soaked in Krebs-Henseleit, using acetylcholine (ACh, 1×10-7 g/mL) or histamine (His, 1×10-6 g/mL) to induce contraction of tracheal rings, then the effects of H. cuspidatus water elution and 30%, 50%, 60%, 70%, 95% ethanol elutions with mass concentrations of 0.08, 0.16, 0.32, 0.64, 1.28, 2.56 mg/mL on contraction of tracheal rings were respectively investigated. Contraction curves were recorded and antispasmodic rates were calculated. Tests were treated with saline as blank control and aminophylline (0.08 mg/mL) as positive control. RESULTS: Compared with blank control, 0.16-2.56 mg/mL 30%, 50% ethanol elution, 0.32-2.56 mg/mL 60% ethanol elution and 0.64-2.56 mg/mL 70%, 95% ethanol elution can obviously inhibit ACh-induced contraction of tracheal rings, antispasmodic rates were obviously increased (P<0.05 or P<0.01); 0.32-2.56 mg/mL water elution and 30%, 50% ethanol elution, 0.16-2.56 mg/mL 60%, 70% ethanol elution and 1.28-2.56 mg/mL 95% ethanol elution can obviously inhibit His-induced contraction of tracheal rings, antispasmodic rates were obviously increased (P<0.05 or P<0.01). The effects of 2.56 mg/mL 60% ethanol elution approach to aminophylline. CONCLUSIONS: Different elutions of H. cuspidatus has certain antagonistic effect on the ACh-induced or His-induced smooth muscle contraction of isolated tracheal in Guinea pigs; 60% ethanol elution shows the strongest effect, which has similar effects with aminophylline at high mass concentration.
期刊: 2017年第28卷第13期
作者: 袁凤娟,孙玉华,哈木拉提·哈斯木,王新堂,贺金华,毛艳
英文作者: YUAN Fengjuan,SUN Yuhua,HAMULATI·Hasimu,WANG Xintang,HE Jinhua,MAO Yan
关键字: 神香草;洗脱物;离体气管;乙酰胆碱;组胺;豚鼠
KEYWORDS: Hyssopus cuspidatus; Elution; Isolated tracheal; Acetylcholine; Histamine; Guinea pigs
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