急性运动轴索型神经病患者血清对培养脊髓运动神经元的影响-比较蛋白质组研究

目的为深入理解急性运动轴索型神经病(acute motor axonal neuropathy,AMAN)分子机制,以蛋白质组技术比较AMAN患者与正常对照组血清对培养的大鼠脊髓运动神经元的影响。方法原代培养脊髓运动神经元蛋白质以固相pH梯度等电聚焦为第一向,SDS-PAGE垂直电泳为第二向进行双向电泳,图像分析软件Image Master2D Elite分析电泳图谱,MALDI-TOF/TOF串联质谱鉴定在AMAN患者血清的影响下,培养的神经元发生变化的蛋白质。结果 AMAN患者血清干预24h的脊髓运动神经元与正常对照组血清干预24h的脊髓运动神经元相比较,有13个蛋白的表达量降低,8个蛋白的表达量升高,这些蛋白与能为疾病血清中致病因子作用的靶蛋白。结论在急性运动轴索型神经病患者血清作用下,培养大鼠脊髓运动神经元的细胞凋亡相关蛋白、氧化应激蛋白、突触可塑性相关蛋白、细胞骨架蛋白表达发生变化,这些发现有助于我们深入理解该疾病的病理机制。通过进一步的研究,本文发现的差异表达蛋白质也可能对急性运动轴索型神经病的诊断治疗有一定的帮助。     

蛋白质组学技术鉴定吉兰-巴雷综合征患者与正常人血清的差异表达蛋白

目的为深入理解吉兰-巴雷综合征(Guillain-Barré syndrome,GBS)分子机制,以蛋白质组技术比较GBS患者与正常对照组血清的差异表达蛋白。方法血清蛋白质以固相pH梯度等电聚焦为第一向,SDS-PAGE垂直电泳为第二向进行双向电泳,图像分析软件Image Master2DElite分析电泳图谱,MALDI-TOF/TOF串联质谱鉴定差异表达蛋白。结果 24种蛋白质的表达量在吉兰-巴雷综合征患者与正常对照组显著不同,其中17种在吉兰-巴雷综合征患者血清中表达量上调的蛋白质被鉴定为补体C3、α-2-巨球蛋白、补体因子B、血浆铜蓝蛋白、补体因子H、补体C4-B、维生素D结合蛋白、血清淀粉样P物质、丛生蛋白、α-1-抗胰凝乳蛋白酶、触珠蛋白、Afamin、血红素蛋白、视黄醇结合蛋白4、补体C1s亚成分、补体C4-A、α-2锌糖蛋白;7种在吉兰-巴雷综合征患者血清中表达量下调的蛋白质被鉴定为α-1-抗胰蛋白酶、Igγ-1-C链、Igκ-C链、CD5类抗原、载脂蛋白E、血清铁传递蛋白、维生素D结合蛋白。结论 GBS患者血清中补体蛋白及急性期反应蛋白表达量发生了明显变化,这些结果加深了我们对GBS发病分子机制的理解。     

转录因子Ets-1与肝纤维化关系的研究

转录因子Ets-1是Ets家族成员之一,与肝纤维化的关系日益受到人们的关注,它通过调节多种因子的基因转录,从而影响肝纤维化的发生和发展,本文将Ets-1在肝纤维化中的作用概述如下。     

Effect of nuclear factor-κB p65 ASOND on I typ collagen expression and rat hepatic stellate cells proliferation

Objective Sstudy effect of nuclear factor-κB ASOND on I type collagen expression and rat hepatic stellate cells(HSC)proliferation.Methods Rat HSCs were separated by affusing and digestingof Ⅳ type collagenenzyme and density acentric method.Lipid-mediated NF-κB p65 ASOND(0.001,0.01,0.1,1μmol/L)Was transferred into rat HSCs.Toxicity of HSCs caused by NF-κB p65 ASOND and activity of LDH were determined by trypan blue staining.Proliferation affection of transferring NF-κB p65 ASOND into HSCs was determined by MTT.In different concentration NF-κB p65 ASOND.expression of Ⅰ type collagen stimulated by 1mg/L TNF-αwas determined by RT-PCR and ELISA.Results After transfection of NF-κB p65 ASODN,expression of NF-κB protein in HSCs was decreasing.Toxicity experiment indicated that NF-κB p65 ASOND of different concentration(0.001,0.01,0.1 and 1.0 μmol/L)had no effect on HSCs livability and LDH activity(P<0.05).Four different concentration NF-κ B p65 ASOND could restrain HSCs proliferation stimulated by 1 mg/L TNF-α.The expression of I type collagen and mRNA stimulated by 1mg/LTNF-αwas increased,and had a positive correlation with concentration(P>0.05).Conclusion NF-κB p65 ASOND may depress NF-κB activity to restrain HSCs proliferation and Ⅰ type collagen expression,and reduce extracellular matrix.     

蝎毒活性肽对福尔马林痛实验的影响

中医用全蝎或蝎尾治疗风湿痹痛、惊厥等症［１］。现代医学证明蝎毒具有抗肿瘤、抗炎、抗癫痫、镇痛等作用［２］。本实作者单位　４５３００３　河南新乡　新乡医学院医学系１９９６级（冯　晓，祝　琳，范书锋）；新乡医学院生理学教研室（张一红，丁延峰）验通过福尔马林痛模型，观察由小鼠腹腔注射蝎毒活性肽后的镇痛效应。１　材料与方法１．１　蝎毒活性肽　由新乡医学院肿瘤研究所提供，用ｐＨ６．８，浓度为１／１５ｍｏｌ·Ｌ－１的ＮａＨ２ＰＯ４－ＫＨ２ＰＯ４缓冲溶液稀释为浓度０．０１％的溶液。福尔马林溶液用福尔马林原液与…     

穿透性角膜移植治疗感染性角膜溃疡的临床观察

目的： 观察穿透性角膜移植术治疗感染性角膜溃疡的疗效。方法： 采用 Ｍ Ｋ 液保存的新鲜角膜材料对 ２６ 例 （２６ 只眼） 严重的细菌、真菌及单疱病毒性角膜溃疡行穿透角膜移植术, 术后随访 １２～１８ 个月。结果： 细菌、真菌及单疱病毒性角膜溃疡的术后植片透明率分别为 ７７７８％ 、５３８５％ 、２５％ , 术后主要的并发症有一过性高眼压、植片排斥及感染复发。结论： 对于药物治疗无效的严重的感染性角膜溃疡, 穿透性角膜移植可有效去除病灶, 重建眼球的完整性, 并为二期光学角膜移植奠定基础。     

Effect of nuclear factor-κB p65 ASOND on I typ collagen expression and rat hepatic stellate cells proliferation

Objective Sstudy effect of nuclear factor-κB ASOND on I type collagen expression and rat hepatic stellate cells(HSC)proliferation.Methods Rat HSCs were separated by affusing and digestingof Ⅳ type collagenenzyme and density acentric method.Lipid-mediated NF-κB p65 ASOND(0.001,0.01,0.1,1μmol/L)Was transferred into rat HSCs.Toxicity of HSCs caused by NF-κB p65 ASOND and activity of LDH were determined by trypan blue staining.Proliferation affection of transferring NF-κB p65 ASOND into HSCs was determined by MTT.In different concentration NF-κB p65 ASOND.expression of Ⅰ type collagen stimulated by 1mg/L TNF-αwas determined by RT-PCR and ELISA.Results After transfection of NF-κB p65 ASODN,expression of NF-κB protein in HSCs was decreasing.Toxicity experiment indicated that NF-κB p65 ASOND of different concentration(0.001,0.01,0.1 and 1.0 μmol/L)had no effect on HSCs livability and LDH activity(P<0.05).Four different concentration NF-κ B p65 ASOND could restrain HSCs proliferation stimulated by 1 mg/L TNF-α.The expression of I type collagen and mRNA stimulated by 1mg/LTNF-αwas increased,and had a positive correlation with concentration(P>0.05).Conclusion NF-κB p65 ASOND may depress NF-κB activity to restrain HSCs proliferation and Ⅰ type collagen expression,and reduce extracellular matrix.     

Effect of nuclear factor-κB p65 ASOND on I typ collagen expression and rat hepatic stellate cells proliferation

Objective Sstudy effect of nuclear factor-κB ASOND on I type collagen expression and rat hepatic stellate cells(HSC)proliferation.Methods Rat HSCs were separated by affusing and digestingof Ⅳ type collagenenzyme and density acentric method.Lipid-mediated NF-κB p65 ASOND(0.001,0.01,0.1,1μmol/L)Was transferred into rat HSCs.Toxicity of HSCs caused by NF-κB p65 ASOND and activity of LDH were determined by trypan blue staining.Proliferation affection of transferring NF-κB p65 ASOND into HSCs was determined by MTT.In different concentration NF-κB p65 ASOND.expression of Ⅰ type collagen stimulated by 1mg/L TNF-αwas determined by RT-PCR and ELISA.Results After transfection of NF-κB p65 ASODN,expression of NF-κB protein in HSCs was decreasing.Toxicity experiment indicated that NF-κB p65 ASOND of different concentration(0.001,0.01,0.1 and 1.0 μmol/L)had no effect on HSCs livability and LDH activity(P<0.05).Four different concentration NF-κ B p65 ASOND could restrain HSCs proliferation stimulated by 1 mg/L TNF-α.The expression of I type collagen and mRNA stimulated by 1mg/LTNF-αwas increased,and had a positive correlation with concentration(P>0.05).Conclusion NF-κB p65 ASOND may depress NF-κB activity to restrain HSCs proliferation and Ⅰ type collagen expression,and reduce extracellular matrix.     

新型农村合作医疗基金安全管理的财务思考

新型农村合作医疗已在部分地区开始试点,从实际调查的情况分析,基金安全管理方面,制度尚欠规范。本文从财务的视角,探索这一新型农村合作医疗基金的安全建设。     

蛋白质组学技术鉴定吉兰-巴雷综合征患者血清急性期反应蛋白的表达

背景：吉兰-巴雷综合征患者血液中存在与发病有关的抗体、补体和细胞因子,以蛋白质组学技术分离鉴定这些标志蛋白,可为寻找新的药物靶标提供依据。目的：以蛋白质组技术比较吉兰-巴雷综合征患者与正常对照组血清的差异表达蛋白。方法：采集确诊的吉兰-巴雷综合征患者和正常者血清各30例,提取血清蛋白质以固相pH梯度等电聚焦为第一向,SDS-PAGE垂直电泳为第二向进行双向电泳,图象分析软件Imagemaster 2D分析电泳图谱,MALDI-TOF/TOF串联质谱鉴定差异表达蛋白。结果与结论：在吉兰-巴雷综合征患者与正常者中24种蛋白质的表达量显著不同,其中α-2-巨球蛋白,血浆铜蓝蛋白,血清淀粉样P物质,丛生蛋白,抗糜蛋白酶,触珠蛋白,血红素蛋白,α-1-抗胰蛋白酶,血清转铁蛋白等9种蛋白质被鉴定为急性期反应蛋白。结果说明吉兰-巴雷综合征患者血清中急性期反应蛋白表达量发生了明显变化,加深了对吉兰-巴雷综合征发病分子机制的理解。