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缺血时间对肾脏影响的实验研究 被引量:11
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作者 毕旭东 崔乃强 赵晶 《中国现代医学杂志》 CAS CSCD 2003年第6期20-23,共4页
目的 :研究不同热缺血时间大鼠肾脏的变化及移植肾的存活情况。方法 :选择不同热缺血时间点 (零时、15min、30min、6 0min) ,观察缺血后光镜下和透射电镜下肾脏组织的病理改变以及肾组织谷胱肽过氧化物酶(GSH -PH)、Na+-K+ATP酶和Ca2 +-... 目的 :研究不同热缺血时间大鼠肾脏的变化及移植肾的存活情况。方法 :选择不同热缺血时间点 (零时、15min、30min、6 0min) ,观察缺血后光镜下和透射电镜下肾脏组织的病理改变以及肾组织谷胱肽过氧化物酶(GSH -PH)、Na+-K+ATP酶和Ca2 +-ATP酶活性、丙二醛 (MDA)水平的变化 ,也测定缺血后肾静脉血和肾组织乳酸脱氢酶 (LDH)的水平。并在不同热缺血时间 ,分别进行大鼠肾移植 ,观察手术后的存活率和肾功能的变化。结果 :随缺血时间的增加 ,肾脏病理改变逐渐加重。在缺血 30min肾组织内GSH -PX、Na+-K+ATP酶、Ca2 +-ATP酶的活力明显下降 ,而LDH在缺血 15min后就已经明显升高。缺血 30min开始肾组织内MDA水平就已明显增高。不同热缺血时间的肾脏进行大鼠肾移植 ,随着缺血时间的延长 ,所需要的灌注液使用量增加 ,术后 2 4h血肌酐的水平升高 ,而灌洗的效果、以及术后的存活率均下降。结论 :单纯低温保存在鼠肾移植热缺血时间以不超过 30min为宜。 展开更多
关键词 肾脏热缺血 大鼠 肾移植 肾功能 实验研究
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雷公藤多甙对大鼠肾移植急性排异反应治疗作用的观察 被引量:2
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作者 董柯 黎磊石 +3 位作者 杨俊伟 刘志红 王建平 柏毅 《肾脏病与透析肾移植杂志》 CAS CSCD 1993年第5期369-372,共4页
利用大鼠肾移植模型,观察雷公藤多甙(GTW)、雷公藤甲素及小剂量环孢霉素A(CsA)对大鼠肾移植急性排异反应的影响。结果证实,应用GTW或CsA后大鼠移植肾肾长明显减少,肾重明显减轻,肾小球基底膜增厚,肾小管空泡变性、坏死及间质水肿明显减... 利用大鼠肾移植模型,观察雷公藤多甙(GTW)、雷公藤甲素及小剂量环孢霉素A(CsA)对大鼠肾移植急性排异反应的影响。结果证实,应用GTW或CsA后大鼠移植肾肾长明显减少,肾重明显减轻,肾小球基底膜增厚,肾小管空泡变性、坏死及间质水肿明显减轻;利用微机肾组织切片定量分析示移植术后第四、八天,肾小管面积、数量也明量增加,而间质面积明显减少。雷公藤甲素来证实有上述作用.另外,观察应用GTW治疗者,移植术后第九~第11天存活率明显增加. 展开更多
关键词 大鼠肾移植 雷公藤多甙 病理
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Treatment of Chronic Dysfunction of Transplantation Kidney in Rats——By Tanshinone, Lysimachiae Combined with Mycophenolate Mofetil or Cyclosporine Alone
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作者 黄孝伦 沈文律 +2 位作者 陈规划 何晓顺 黄洁夫 《Chinese Journal of Integrative Medicine》 SCIE CAS 2000年第3期208-213,共6页
Objective: To evaluate the relationship between chronic kidney dysfunction after transplantation and chronic vascular rejection (CVR), and to evaluate the efficacy and safety of Tanshinone (Tan) and Herba Lysimachiae ... Objective: To evaluate the relationship between chronic kidney dysfunction after transplantation and chronic vascular rejection (CVR), and to evaluate the efficacy and safety of Tanshinone (Tan) and Herba Lysimachiae (Lys) combined with Mycophenolate Mofetil (MMF) to fight against CVR, and to reduce the incidence of chronic dysfunction in rat renal transplantation model. Methods: Sixty-five male SD rats as donors and sixty-five male Wistar rats as recipients were used. The recipients were divided into five Groups, including Group A: Lys+Cyclosporine A (CsA), Group B: Tan+CsA, Group C: MMF+CsA, Group D: CsA, and Group E: normal saline. Kidney function and morphological changes were assessed at 2, 4, and 6 weeks after transplantation. All sections of renal grafts were stained with monoclonal antibodies (McAB), including major histocompability complex class II (OX-6), lymphocyte function antigen-1 (CD11b/CD18), intercellular adhesive molecular-1 (IA29), CD+8 (OX-8), and proliferation cell nuclear antigen (PCNA) (5A10, IgG1k) were used. Results:The two control groups developed typical chronic rejection episodes, and the histologic feature indication of kidney chronic rejection includes loss of renal units and presence of an obliteration arteriopathy involving large renal arteries. These were associated with serum levels of BUN and SCr increased and different degrees of glomerulosclerosis. Their mean survival time was lower than that of other groups. By contrast, serum levels of cytokine in control groups was significantly increased when compared with group B and C (P<0.05). Both group B and C had minimum changes in glomeruli and arteries, and expression levels of PCNA on the glomeruli and tubular cells were higher than those of other groups (P<0.05). However, there was no significant difference (P>0.05) between group B and C. Conclusions: CVR may activate the risk of the factor responsible for the development of graft chronic dysfunction that causes slow, progressive destruction of the transplanted kidney. Tanshinone 展开更多
关键词 rat renal transplantation chronic vascular rejection TANSHINONE Herba Lysimachiae
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