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HO-1在延迟性异种心脏移植排斥反应中的表达及意义 被引量:1
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作者 刘胜春 姚榛祥 +2 位作者 孙正魁 唐华 董蒲江 《重庆医科大学学报》 CAS CSCD 2005年第5期655-659,共5页
目的:探讨血红素氧合酶-1在延迟性异种心脏移植排斥反应中的表达及意义.方法:建立NIH Wistar颈部异位心脏移植模型,分别于移植前、移植后1h、6h、12h、24h、48h和72h切取移植心脏,应用RT-PCR、Western Blot检测HO-1mRNA、HO-1蛋白表达... 目的:探讨血红素氧合酶-1在延迟性异种心脏移植排斥反应中的表达及意义.方法:建立NIH Wistar颈部异位心脏移植模型,分别于移植前、移植后1h、6h、12h、24h、48h和72h切取移植心脏,应用RT-PCR、Western Blot检测HO-1mRNA、HO-1蛋白表达并检测HO 1酶活性;同时比较钴原卟啉(CoPP)诱导HO-1对延迟性异种心脏移植排斥反应的影响.结果:移植心脏均有HO-1表达,HO-1mRNA(t=2.5170,P<0.05)、HO-1蛋白表达(t=2.3702,P<0.05)及酶活性(t=2.246,P<0.05)移植术后24~48h表达到达高峰;CoPP诱导的HO-1明显延长了移植心脏的存活时间(t=4.74442,P<0.001).结论:HO-1表达在延迟性异种心脏移植后24~48h到达高峰;CoPP诱导的HO-1能延长延迟性异种心脏移植的存活时间. 展开更多
关键词 血红素氧合酶-1 延迟性异种移植 排斥反应 心脏
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Hippocampus hypoxia-inducible factor-1 alpha and heme oxygenase-1 expression in the delayed encephalopathy after acute carbon monoxide poisoning rat model
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作者 张奕雯 《China Medical Abstracts(Internal Medicine)》 2017年第1期59-,共1页
Objective To research the expression of hypoxia-inducible factor-1 alpha(HIF-1α)and heme oxygenase-1(HO-1)in hippocampus of rats with delayed encephalopathy after acute carbon monoxide poisoning(DEACMP)and its functi... Objective To research the expression of hypoxia-inducible factor-1 alpha(HIF-1α)and heme oxygenase-1(HO-1)in hippocampus of rats with delayed encephalopathy after acute carbon monoxide poisoning(DEACMP)and its functions.Methods One hundred and fiftysix rats were selected and randomly divided into 展开更多
关键词 HIF HO Hippocampus hypoxia-inducible factor-1 alpha and heme oxygenase-1 expression in the delayed encephalopathy after acute carbon monoxide poisoning rat model
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细胞穿透型HO-1蛋白对协调性异种心脏移植急性排斥反应的作用
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作者 郑祥韬 戴驹骥 +3 位作者 徐东宇 裘益辉 杨法镜 虞冠锋 《浙江临床医学》 2016年第6期991-993,共3页
目的探讨一种新型的细胞穿膜肽(PTD)整合的血红素氧合酶-1(HO-1)蛋白对协调性异种心脏移植急性排斥的作用及初步机制。方法将C57BL/6小鼠心脏移植至wistar大鼠颈部,建立协调性异种心脏移植模型,将其随机分成单纯移植组(control... 目的探讨一种新型的细胞穿膜肽(PTD)整合的血红素氧合酶-1(HO-1)蛋白对协调性异种心脏移植急性排斥的作用及初步机制。方法将C57BL/6小鼠心脏移植至wistar大鼠颈部,建立协调性异种心脏移植模型,将其随机分成单纯移植组(control)、PTD整合荧光蛋白对照组(移植术后腹腔注射PTD-GFP10mg/d)和PTD-HO-1蛋白治疗组(移植术后腹腔注射PTD-HO-1 1mg/d),观察移植心脏存活时间。取移植后48h小鼠心脏,HE染色观察心脏组织结构,免疫组化染色观察CD4和CD8阳性T细胞浸润情况,蛋白印记杂交法测定心脏移植物HO-1蛋白的表达。取移植后48h大鼠血清,ELISA试剂盒检测血清免疫复合物IgM水平及细胞炎症因子IL-2和IFN-γ水平。结果PTD-HO-1组移植心脏存活时间(6.17±1.17)d明显高于单纯移植组(2.67±0.52)d和PTD—GFP组(2.83±0.41)d,差异有统计学意义(P〈0.01)。移植术后48h,PTD—HO-1组移植心脏组织结果破坏程度较其他两组轻,CD4和CD8阳性T细胞浸润情况较其他两组明显减轻,差异均有统计学意义(P〈0.01)。PTD—HO-1组受体血清IgM、IL-2和IFN-1水平明显低于其他两组,差异均有统计学意义(P〈0.05)。而心脏移植物组织内HO-1表达水平明显高于其他两组,差异均具有统计学意义(P〈0.01)。结论PTD整合的HO-1蛋白能延长协调性异种移植心脏的存活.为HO-1在异种移植的临床应用提供了可能。 展开更多
关键词 细胞穿膜肽血红素氧合酶-1 协调性异种心脏移植急性排斥
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Dual protective role of HO-1 in transplanted liver grafts:A review of experimental and clinical studies 被引量:12
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作者 Chun-Feng Wang Zhen-Yu Wang Ji-Yu Li 《World Journal of Gastroenterology》 SCIE CAS CSCD 2011年第26期3101-3108,共8页
Liver transplantation is considered as the most effective treatment for end-stage liver disease.However,serious complications still exist,particularly in two aspects:ischemia and subsequent reperfusion of the liver,ca... Liver transplantation is considered as the most effective treatment for end-stage liver disease.However,serious complications still exist,particularly in two aspects:ischemia and subsequent reperfusion of the liver,causing postoperative hepatic dysfunction and even failure;and acute and chronic graft rejections,affecting the allograft survival.Heme oxygenase(HO),a stressresponse protein,is believed to exert a protective function on both the development of ischemia-reperfusion injury(IRI) and graft rejection.In this review of current researches on allograft protection,we focused on the HO-1.We conjecture that HO-1 may link these two main factors affecting the prognosis of liver transplantations.In this review,the following aspects were emphasized:the basic biological functions of HO-1,itsroles in IRI and allograft rejection,as well as methods to induce HO-1 and the prospects of a therapeutic application of HO-1 in liver transplantation. 展开更多
关键词 Liver transplantation heme oxygenase-1 AIIograft rejection Ischemia/reperfusion injury
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