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不同方法建立动脉粥样硬化大鼠模型的比较 被引量:25

Comparison of various atherosclerotic rat models
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摘要 目的:比较3种不同方法建立的动物模型,探索建立造型简便且重复性好的大鼠动脉粥样硬化模型。方法健康雄性SD大鼠(体质量150~170g)24只,按3种方法建立模型:①高脂造模组,高脂饲料9周;②维生素D3造模组,维生素D340万单位灌胃3d,标准饲料9周;③高脂维生素D3造模组,维生素D320万单位灌胃3d,高脂饲料9周。采用HE染色鉴定各组的动脉粥样硬化病变形成情况。结果:光镜下高脂组血管各层结构基本正常;维生素D3造模组出现典型动脉粥样病变的斑块结构;高脂维生素D3造模组血管壁钙化和平滑肌细胞增生,程度较维生素D3组减轻,未出现典型斑块结构。结论:40万单位维生素D3的造模方法能在较短时间内建立典型成熟的动脉粥样硬化斑块模型。 AIM: To investigate the simple and successful method for establishing atherosclerotic rat model . METHODS: Three groups of rats were obtained: high-fat fed (6 SD rats with high-fat diet for 9 weeks) ;vitamin D-treated (9 SD rats treated by 400,000 unit vitamin D for three days, common diet for 9 weeks );vitamin D-treated and high-fat fed (9 SD rats fed by 200,000 unit vitamin D for 3 days and high-fat diet for 9 weeks)。HE staining was used to verify the atherosclerotic lesion of three models. RESULTS: high-fat fed rats almost had no morphologic change in light microscope, while vitamin D-treated rats existd typical atherosclerosis. Vitamin D-treated and high-fat fed rats also showed semblable but much milder pathologic changes in light microscope . CONCLUSION:Method of 400,000 unit vitamin D for three days, common diet for 9 weeks is convenient and stable to establish typical atherosclerotic rat model .
出处 《心脏杂志》 CAS 2005年第1期18-20,共3页 Chinese Heart Journal
关键词 模型 动脉粥样硬化 大鼠 病理学 model,atherosclerosis, rat pathology
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参考文献9

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