OALib Journal期刊
ISSN: 2333-9721
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姬菇多糖对急性酒精性肝损伤小鼠的肝组织超微结构的影响
, PP. 85-89
Keywords: 姬菇多糖,急性肝损伤,肝组织,超微结构
Abstract:
目的:研究以热水浸提法从姬菇中提取的姬菇多糖(pcnp)对酒精所致的急性损伤小鼠肝组织超微结构的影响.方法:84只小鼠被随机分为空白对照组、模型组、阳性对照组(150mg/kg?bw)、多糖各剂量组((100、200、400)mg/kg?bw).连续灌胃30d后,给予浓度为50%的乙醇溶液,建立动物急性肝损伤模型.12h后,小鼠脱臼处死,取肝脏制成超薄切片,电镜观察肝组织超微结构的变化.结果:模型组细胞核的核膜不规则、呈锯齿状,线粒体畸形、嵴不清楚、糖原增多、出现空泡,内质网扩张、其膜上附着的核糖体脱失,细胞核周围脂滴数明显增多、胆管微绒毛脱失;姬菇多糖组肝细胞核膜凹凸不平,线粒体肿胀、线粒体内糖原沉积较少,内质网扩张不明显,细胞内脂滴减少.结论:姬菇多糖对酒精性肝损伤小鼠的肝细胞具有保护作用.
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