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Wistar大鼠胶原诱导型关节炎模型构建、评价及用药时间的选择 被引量:11

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摘要 目的:通过足跖部注射牛Ⅱ型胶原和不完全佛氏佐剂的乳化剂,建立胶原诱导型关节炎模型(collagen induced arthritis,CIA),并对其进行评价,成模后即用激素干预,以明确用药的时间。方法:取Wistar大鼠,随机分为2组:正常组、模型组,模型组采用等量的牛Ⅱ型胶原和不完全佛氏佐剂乳化后在雄性Wistar大鼠足跖部皮下注射0.4ml(含胶原400μg),14天后用同样方法于足跖部皮下注射0.1ml(含胶原100μg)做加强注射,于致炎20天后肿胀达高峰期时,用足爪X-ray证明成模,再将模型组分为模型组与激素组,此时激素组开始用药物干预,连用20天药物,并用足爪X-ray说明成模大鼠用药物干预后关节和骨质改变的情况。结果:在致炎20天时,模型组的左足跖厚度显著地高于正常组。同时结合相机拍摄的大鼠足爪图片,以及足爪的X-ray进行评价,说明了模型成功。在致炎20d开始用药,间隔1天用药,连用20d后,结合各组大鼠足爪图片、足爪的X-ray、酶联免疫吸附实验检测大鼠血清中肿瘤坏死因子α的含量,免疫组织化学检测膝关节滑膜中的TNF-α表达情况,以观察在这样的用药情况下对CIA大鼠模型的影响情况。结论:在致炎20d时模型成功建立,并且在此时用激素干预20d,是有效的。
出处 《中药药理与临床》 CAS CSCD 北大核心 2014年第2期182-184,共3页 Pharmacology and Clinics of Chinese Materia Medica
基金 贵州省科技计划课题黔科合中药字[2011]No.LKZ7043
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参考文献5

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