祛湿化瘀方对非酒精性脂肪肝模型大鼠血清游离脂肪酸谱的影响

被引:11
作者
苟小军 [1 ]
冯琴 [2 ]
胡义扬 [2 ]
机构
[1] 上海市宝山区中西医结合医院中心实验室
[2] 上海中医药大学附属曙光医院/上海中医药大学肝病研究所
关键词
祛湿化瘀方; 非酒精性脂肪肝; 大鼠; 脂肪酸谱; 游离脂肪酸;
D O I
暂无
中图分类号
R285.5 [中药实验药理]; R-332 [医用实验动物学];
学科分类号
100402 [劳动卫生与环境卫生学]; 100806 [中药药理学];
摘要
目的:探讨祛湿化瘀方对高脂饮食诱导的非酒精性脂肪肝(NAFLD)模型大鼠血清游离脂肪酸谱的影响。方法:30只雄性SD大鼠按计算机随机数字表分为正常组、模型组、祛湿化瘀方组,每组10只。模型组和祛湿化瘀方组大鼠饲喂高脂饲料建立NAFLD模型,正常组大鼠饲喂普通饲料,持续8周;自第5周起,祛湿化瘀方组大鼠按0.1 mL/kg灌胃祛湿化瘀方药液,正常组和模型组大鼠灌胃等量生理盐水,连续给药4周。8周后处死大鼠,取肝组织样本,采用苏木精-伊红染色法观察肝组织病理学变化;取血清样本采用气相色谱-质谱联用技术,以水杨酸甲酯为内标进样测定,按标准曲线法计算血清中游离脂肪酸的含量。结果:与正常组比较,模型组大鼠肝组织多发坏死肝细胞,肝细胞出现脂肪样变性和空泡变性;血清中月桂酸、肉豆蔻酸、十五烷酸、棕榈酸、十七烷酸、硬脂酸、花生酸、二十一烷酸、榆树酸等饱和脂肪酸含量均显著升高(P<0.05);顺-10-十七碳烯酸、油酸、α-亚麻酸、γ-亚麻酸、芥酸、亚油酸、顺-11-二十碳烯酸、花生四烯酸、顺-11,14,17-二十碳三烯酸、顺-4,7,10,13,16,19-二十二碳六烯酸(DHA)等不饱和脂肪酸含量均显著降低(P<0.05或P<0.01)。与模型组比较,祛湿化瘀方组大鼠肝组织病理学变化程度明显减轻;血清中上述饱和脂肪酸含量均显著降低,不饱和脂肪酸含量均显著升高(P<0.05)。结论:祛湿化瘀方干预能显著改善高脂饮食诱导的NAFLD模型大鼠的肝组织病理学变化,且能显著改善其血清中饱和脂肪酸和不饱和脂肪酸含量的异常变化,调节紊乱的游离脂肪酸谱趋于正常。建议通过膳食补充ω-3多不饱和脂肪酸或采用祛湿化瘀方等药物干预脂肪酸代谢,从而有效预防和治疗NAFLD。
引用
收藏
页码:3330 / 3335
页数:6
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