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目的:探究雷公藤多苷对类风湿关节炎大鼠关节血清及组织Ras/Raf1表达的影响。方法:将60只SD大鼠随机分为对照组、模型组和干预组,每组20只。模型组与干预组建立大鼠风湿关节炎模型,干预组用雷公藤多苷干预,对照组和模型组给予等量生理盐水。以足趾肿胀度为模型标准和疗效判定指标,实验终点通过酶联免疫吸附试验法(ELISA)检测大鼠血清Ras、Raf1以及炎症介质肿瘤坏死因子-α(TNF-α)、白细胞介素-6(IL-6)水平,实验终点通过Western Blotting检测大鼠滑膜组织Ras和Raf1蛋白表达量并对大鼠踝关节进行HE染色分析。结果:ELISA结果表明,与对照组比较,模型组血清Ras、Raf1、TNF-α、IL-6显著升高(均P<0.01),与模型组比较,干预组血清Ras、Raf1、TNF-α、IL-6显著降低(均P<0.01);Western Blotting结果表明:与对照组大鼠比较,模型组大鼠滑膜组织Ras、Raf1显著升高(均P<0.01),与模型组比较,干预组大鼠滑膜组织Ras、Raf1显著降低(均P<0.05)。HE染色表明:与对照组比较,模型组病理总评分升高(P<0.01),与模型组比较,干预组病理总评分下降(P<0.05)。结论:雷公藤多苷可抑制大鼠血清炎症介质释放并降低外周血和关节组织中Ras、Raf1蛋白的表达,起到骨保护作用。 相似文献
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Objective To explore the best way of venous sampling for infants in order to improve onetime success rate and to reduce complications. Methods 151 infants were reviewed retrospectively who saw a doctor in clinic from March 2009 to March 2010, and patients were 4 days to 2 years old. They were divided into 3 groups randomly, and different method of venous sampling was applied to each group, then the one-time success rate and complication rate of three groups were compared. Results The method of femoral vein pit diagonal stabbing had a higher one-time success rate than the other two methods. however, the diffenences of success rates in three groups were not statistically significant (x2 = 3.02, P > 0. 05). Conclusions Femoral vein pit diagonal stabbing method has several advantages, for instence, the position is easy to find, the method is fit for all infants,no matter fat or thin, it has a higher one-time success rate but lower complication rate, and so on. So this method is worthy spreading. 相似文献
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骨髓转移癌是指髓外的肿瘤细胞,通过血液或体液循环,扩散侵犯到人体的造血组织,而引起临床及血液学某些改变的一组疾病,临床上并非少见。现将我院收治1例报告如下。 相似文献
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目的探讨婴幼儿静脉采血成功率高、效率高,家长容易接受的最佳方法。方法选择门诊采血婴幼儿361例随机分为实验组181例和对照组180例,实验组采用肘静脉采血法,对照组采用股静脉穿刺法;比较两组采血一次成功率、平均时长和婴幼儿家长的满意度。结果两组婴幼儿静脉采血一次成功率比较差异有统计学意义(χ2=20.58,P〈0.05);两组婴幼儿采血时间比较差异有统计学意义(t=2.03,P〈0.05),两组婴幼儿家长满意度比较差异有统计学意义(χ2=21.66,P〈0.05)。结论婴幼儿肘静脉采血法是一种切实可行的方法,值得推广应用。 相似文献
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在医学教育中,实验课教学对提高教学质量具有举足轻重的作用.搞好实验课教学,是提高教学质量的要求,是医学教育改革的重要组成部分[1].血液学检验是医学检验专业的核心课程,是以检验方法为手段,分析和研究血液和造血器官的病理变化,阐述血液系统疾病的发生机制,协助诊断、疗效观察和预后监测的一门学科[2]. 相似文献