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Relationship Between Serum DNA Replication, Clinicopathological Characteristics and Prognosis of Hepatitis B Virus-associated Glomerulonephritis with Severe Proteinuria by Lamivudine Plus Adefovir Dipivoxil Combination Therapy

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Biomedical and Environmental Sciences 2015年第3期28卷 206-213页

作者： JIANG Wei LIU Tuo DONG Hui XU Yan LIU Li Qiu guan guang ju LIU Xiang Chun Department of Nephrology The Affiliated Hospital of Qingdao University National Institute of Occupational Health and Poison Control Chinese Center for Disease Control and Prevention Department of Nephrology The Second Hospital of Shandong University

Objective To explore the relationship between HBV DNA and the clinical manifestations, pathological types, injury severity, and prognosis with HBV-GN. Methods 102 patients with HBV-GN were divided into 3 groups, according to the serum titer of the HBV DNA. 24-h urine protein excretion, and other parameters were measured. Renal biopsy were performed. The association between HBV DNA and the pathological stage of membranous nephropathy was analyzed in 78 patients with HBV-MN. 24-h urine protein excretion was used for the evaluation of the prognosis, and the relationship between HBV DNA and prognosis were analyzed. Results Several findings were demonstrated with the increase of serum HBV DNA： 24-h urine protein excretion, plasma cholesterol, and triglycerides increased significantly（P〈0.05）, while the plasma level of albumin decreased significantly（P〈0.05）; The changes of serum creatinine, C3 and C4 were found but no statistical significance. Glomerular deposition of HBVAg increased, and the pathological injury was more severe. The clinical remission rate was lower in the high replication group after treatment as compared with the low replication group（P〈0.01）. Conclusion With the increase of serum HBV DNA, the urine protein excretion and the kidney injury were more severe, and the clinical remission rate was decreased.

关键词： Hepatitis B virus Nephritis Pathology Proteinuria Lamivudine Adefovir dipivoxil

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Effects of mycophenolate mofetil,valsartan and their combined therapy on preventing podocyte loss in early stage of diabetic nephropathy in rats

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Chinese Medical Journal 2007年第11期120卷 988-995页

作者： ZHANG Yan CHEN Bing HOU Xiang-hua guan guang-ju LIU Gang LIU Hai-ying LI Xue-gang Department of Nephrology Second Hospital of Shandong University Jinan 250033 China Department of Nephrology Yuhuangding Hospital Yantai 264000 Shandong Province China

Background Podocyte has inflammatory role in the development of diabetic nephropathy （DN）. Mycophenolate mofetil （MMF）, an anti-inflammatory agent, can suppress macrophage infiltration and reduce renal injury in streptozotocin-induced diabetic rats. Angiotensin II receptor blocker （ARB）, another renal protecting agent, can decrease podocyte loss in DN. In this study, we detected the expression levels of monocyte chemoattractant protein-1 （MCP-1） and nephrin to evaluate podocyte＇s role in inflammatory reaction in DN, observe and compare the effect of MMF alone and in combination with valsartan, on preventing podocyte loss in streptozotocin （STZ） induced diabetic rats. Methods Diabetic model was constructed in uninephrectomized male Wistar rats by single peritoneal injection of STZ （65 mg/kg）. The successfully induced diabetic rats were randomly divided into four groups： diabetes without treatment group （DM）, valsartan treated group （DMV）, MMF treated group （DMM）, and combined therapy group （DMVM）. Normal rats of the same sibling were chosen as control （NC）. At the end of the 8th week, serum biochemistry, 24-hour urinary protein （LIP） and the ratio of kidney weight/body weight （RWK/B） were measured. The rats were sacrificed for the observation of renal histomorphology through light and electron microscope. Nephrin, desmin and MCP-1 levels were detected by semi-quantitative immunohistochemical assays. Real-time quantitative PCR was used to detect the mRNA levels of nephrin and MCP-1. Results Compared with group NC, serum glucose level, 24-hour LIP and RWK/B in group DM were significantly higher （P〈0.01）, and the nephrin mRNA level in DM group was significantly lower （P〈0.05）. The nephrin mRNA expression levels in group DMV, DMM and DMVM were all higher than that of DM group （P〈0.05） and no significant differences were found among the three treatment groups （P〉0.05）. Treatment with MMF, valsartan or their combination could significantly decrease the 24-hour LIP and RWK/

关键词： podocyte diabetic nephropathy mycophenolate mofetil valsartan

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Effect of Mn addition on microstructure and mechanical properties of GX40CrNiSi25-12 austenitic heat resistant steel

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China Foundry 2024年第3期21卷 205-212页

作者： guan-yu Jiang Meng-wu Wu Xiao-guang Yang Hui Wang Yu-yuan Zhu Hubei Key Laboratory of Advanced Technology for Automotive Components Wuhan University of TechnologyWuhan 430070China Hubei Longzhong Laboratory Xiangyang 441000HubeiChina Wescast Industries(China)Co. Ltd.Wuhan 430100China

Three types of steels were designed on the basis of GX40CrNiSi25-12 austenitic heat resistant steel by adding different Mn contents(2wt.%,6wt.%,and 12wt.%).Thermodynamic calculation,microstructure characterization and mechanical property tests were conducted to investigate the effect of Mn addition on the microstructure and mechanical properties of the austenitic heat resistant *** show that the matrix structure in all the three types of steels at room temperature is completely *** NbC and M_(23)C_(6)precipitate at grain boundaries of austenite *** the increase of Mn content,the number of carbides increases and their distribution becomes more *** the Mn content increases from 1.99%to 12.06%,the ultimate tensile strength,yield strength and elongation increase by 14.6%,8.0%and 46.3%,*** improvement of the mechanical properties of austenitic steels can be explained by utilizing classic theories of alloy strengthening,including solid solution strengthening,precipitation strengthening,and grain *** increase in alloy strength can be attributed to solid solution strengthening and precipitation strengthening caused by the addition of *** improvement of the plasticity of austenitic steels can be explained from two aspects:grain refinement and homogenization of precipitated phases.

关键词： austenitic heat resistant steel manganese microstructure mechanical properties

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重组人红细胞生成素对高糖诱导的大鼠肾小球系膜细胞增殖和TGF-βmRNA的影响

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山东大学学报（医学版） 2012年第5期50卷 65-69页

作者：王蕾关广聚山东大学第二医院肾内科济南250033

目的探讨重组人红细胞生成素(rHuEPO)对高糖培养的大鼠肾小球系膜细胞(MCs)增殖和表达TGF-βmRNA的影响。方法以大鼠M Cs为研究对象,分为正常对照组(NC组,葡萄糖浓度为5 mmol/L),高糖组(HG组,葡萄糖浓度为10、20、30、40、50 mmol/L),其... 详细信息

目的探讨重组人红细胞生成素(rHuEPO)对高糖培养的大鼠肾小球系膜细胞(MCs)增殖和表达TGF-βmRNA的影响。方法以大鼠M Cs为研究对象,分为正常对照组(NC组,葡萄糖浓度为5 mmol/L),高糖组(HG组,葡萄糖浓度为10、20、30、40、50 mmol/L),其中30 mmol/L的高糖组分别以不同浓度rHuEPO(1、10、50、100、1 000 U/mL)分别干预24、48、72 h,Cell Counting Kit-8(CCK-8)比色法检测细胞增殖情况。用RealtimePCR法测定干预24、48、72 h时细胞TGF-βmRNA表达水平。结果在30 mmol/L以下时,葡萄糖能明显刺激M Cs的增殖,以30 mmol/L培养72 h反应最佳,rHuEPO在低于100 U/mL时能促进高糖诱导的M Cs增殖。rHuEPO在1 000 U/mL时,细胞毒性明显,大部分细胞死亡。结论高糖在一定时间和浓度内有刺激大鼠M Cs增殖的效应,rHuEPO在一定浓度和时间内能刺激高糖培养的MCs增殖,抑制高糖培养的MCs表达TGF-βmRNA。

关键词：重组人红细胞生成素系膜细胞增殖 TGF-βmRNA

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硝基油酸对肾急性缺血再灌注模型小鼠肾的保护作用及其机制

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中国药理学与毒理学杂志 2013年第5期27卷 776-782页

作者：吴涛关广聚刘海英山东大学第二医院肾内科山东济南250033

目的探讨硝基油酸(OA-NO2)对肾急性缺血再灌注(I/R)模型小鼠肾的保护作用。方法 C57小鼠分为假手术、I/R模型对照、I/R+OA-NO2500μg·kg-1和I/R+油酸(OA)500μg·kg-1组。I/R小鼠使用乙醚麻醉后,开腹采用夹闭双侧肾动脉30 min,去除血管... 详细信息

目的探讨硝基油酸(OA-NO2)对肾急性缺血再灌注(I/R)模型小鼠肾的保护作用。方法 C57小鼠分为假手术、I/R模型对照、I/R+OA-NO2500μg·kg-1和I/R+油酸(OA)500μg·kg-1组。I/R小鼠使用乙醚麻醉后,开腹采用夹闭双侧肾动脉30 min,去除血管夹,再灌注24 h制备肾I/R模型。I/R+OANO2和I/R+OA组在去除血管夹后分别ip给予OA-NO2和OA 500μg·kg-1,每6 h注射1次。假手术和I/R模型组ip给予乙醇0.8 ml·kg-1。24 h后处死小鼠,取血和肾组织,用全自动生化检测仪检测小鼠血浆尿素氮(BUN)和肌酐(Cr)水平,HE染色检测肾组织病理改变,ELISA检测血浆肿瘤坏死因子α(TNF-α)浓度,实时PCR检测肾组织细胞黏附分子1(ICAM-1)、白细胞介素1β(IL-1β)、烟酰胺腺嘌呤二核苷酸磷酸氧化酶胞浆亚基(p47)和烟酰胺腺嘌呤二核苷酸磷酸氧化酶催化亚基(gp91)基因表达,Western蛋白质印迹法检测肾组织TNF-α和IL-1β蛋白表达,ELISA检测肾组织丙二醛(MDA)含量。结果 I/R模型组小鼠血浆BUN和Cr水平较假手术组明显增高(P<0.01);OA-NO2处理后,与I/R模型组比较,血浆BUN水平降低36%(P<0.01),Cr水平降低44%(P<0.01);I/R+OA组BUN和Cr水平无明显变化。I/R模型组小鼠肾组织出现肾小管上皮细胞坏死、细胞结构消失、肾小管管腔扩张和肾小管管腔管型堵塞等改变,血浆TNF-α浓度、肾组织ICAM-1,IL-1β,p47和gp91mRNA表达、TNF-α和IL-1β蛋白表达及MDA含量均较假手术组明显升高(P<0.01);应用OA-NO2处理后,与I/R模型组比较,肾组织病理改变减轻,肾小管管腔扩张明显改善,未发现明显的肾小管管腔管型堵塞;血浆TNF-α浓度由I/R模型组的(590±73)ng·L-1降低至(259±71)ng·L-1(P<0.01),肾组织ICAM-1,IL-1β,p47和gp91基因表达以及TNF-α和IL-1β蛋白表达降低(P<0.01),MDA含量由I/R模型组的(3.6±0.7)mol·g-1组织降低至(1.8±0.4)mol·g-1组织(P<0.01);应用OA处理后,上述指标与I/R模型组比较均无明显差异。结论 OA-NO2对肾I/R导致的急性肾损伤具有明显的治疗作用,其作用机制可能与抗炎通路有关。

关键词：硝基油酸再灌注损伤肾损伤

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霉酚酸酯对糖尿病大鼠肾小管-间质损伤的保护作用

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中国药理学通报 2007年第6期23卷 777-781页

作者：张燕崔莉陈兵关广聚山东大学第二医院肾内科山东济南250033 山西省阳泉市盂县人民医院山西阳泉045100

目的观察免疫抑制剂霉酚酸酯(MMF)对糖尿病大鼠肾小管-间质单核细胞趋化蛋白-1(MCP-1)及CD68表达的影响,探讨MMF对糖尿病大鼠肾小管间质损伤的保护作用及机制。方法Wistar大鼠行右肾切除术2wk后,随机分为右肾切除对照组(NC)、糖尿病组(D... 详细信息

目的观察免疫抑制剂霉酚酸酯(MMF)对糖尿病大鼠肾小管-间质单核细胞趋化蛋白-1(MCP-1)及CD68表达的影响,探讨MMF对糖尿病大鼠肾小管间质损伤的保护作用及机制。方法Wistar大鼠行右肾切除术2wk后,随机分为右肾切除对照组(NC)、糖尿病组(DM),霉酚酸酯治疗组(DM+MMF,MMF15mg·kg-1.d-1灌胃)。腹腔注射链脲佐菌素(STZ,65mg·kg-1)诱发糖尿病模型。检测各组8wk末的左肾重/体重比值、24h尿蛋白(Upro)、血糖(BG)、血肌酐(Scr),观察肾小管-间质形态学变化,免疫组化检测肾组织中MCP-1及CD68表达,RT-PCR测定肾组织中MCP-1 mRNA表达。结果与NC组相比,DM组大鼠血糖、Upro及左肾重/体重比值均上升(P<0.01);肾间质纤维化面积扩大(P<0.01);肾组织内MCP-1蛋白、CD68表达及MCP-1 mRNA的表达均上调(P<0.01)。DM+MMF组上述指标除BG和Scr外均被抑制(P<0.05或P<0.01)。结论MMF对糖尿病大鼠肾小管-间质损害具有明显的保护作用,可能与抑制MCP-1基因及蛋白表达有关。

关键词：糖尿病大鼠霉酚酸酯肾小管间质单核细胞趋化蛋白-1(MCP-1) CD68

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Beam based alignment using a neural network

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Nuclear Science and Techniques 2024年第4期35卷 108-118页

作者： guan-Liang Wang Ke-Min Chen Si-Wei Wang Zhe Wang Tao He Masahito Hosaka guang-Yao Feng Wei Xu National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei 230029China Diamond Light Source Oxfordshire OX110DEUK

Beams typically do not travel through the magnet centers because of errors in storage *** beam deviating from the quadrupole centers is affected by additional dipole fields due to magnetic field ***-based alignment(BBA)is often performed to determine a golden orbit where the beam circulates around the quadrupole center *** storage rings with many quadrupoles,the conventional BBA procedure is time-consuming,particularly in the commissioning phase,because of the necessary iterative *** addition,the conventional BBA method can be affected by strong coupling and the nonlinearity of the storage ring *** this study,a novel method based on a neural network was proposed to determine the golden orbit in a much shorter time with reasonable *** golden orbit can be used directly for operation or adopted as a starting point for conventional *** method was demonstrated in the HLS-II storage ring for the first time through simulations and online *** results of the experiments showed that the golden orbit obtained using this new method was consistent with that obtained using the conventional *** development of this new method and the corresponding experiments are reported in this paper.

关键词： Golden orbit Beam-based alignment Neural network Storage ring

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霉酚酸酯及缬沙坦对糖尿病大鼠足细胞的保护机制研究

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中华肾脏病杂志 2007年第9期23卷 583-588页

作者：张燕王威关广聚陈兵山东大学第二医院肾内科济南250031 山东烟台毓璜顶医院肾内科

目的探讨霉酚酸酯、缬沙坦及2者联合应用对糖尿病。肾病（DN）大鼠足细胞损伤的保护作用。方法雄性Wistar大鼠行右肾切除后，腹腔注射链脲佐菌素（STZ，65mg／kg）建立糖尿病模型。将实验动物随机分为右。肾切除对照组（NC）、糖尿病组... 详细信息

目的探讨霉酚酸酯、缬沙坦及2者联合应用对糖尿病。肾病（DN）大鼠足细胞损伤的保护作用。方法雄性Wistar大鼠行右肾切除后，腹腔注射链脲佐菌素（STZ，65mg／kg）建立糖尿病模型。将实验动物随机分为右。肾切除对照组（NC）、糖尿病组（DM）、霉酚酸酯治疗组（M）、缬沙坦治疗组（V）、缬沙坦和霉酚酸酯联合治疗组（V＋M）。治疗组分别给予霉酚酸酯15mg·kg^-1·d^-1，缬沙坦40mg·kg^-1·d^-1；联合治疗组为上述两组之和。检测各组8周末的左肾质量／体质量比值、尿蛋白量（24h）、血糖（Glu）、Scr。光镜及电镜观察肾组织形态学变化。免疫组化检测肾组织中nephrin、结蛋白（desmin）及单核细胞趋化因子1（MCP-1）蛋白表达。实时PCR测定肾组织中nephrin及MCP-1mRNA表达。结果与NC组相比，DM组大鼠血糖、尿蛋白量及左肾质量／体质量比值均显著上升（P〈0．01）；肾小球硬化指数（GSI）及肾间质损害加重（P〈0．01）；肾组织内MCP-1、desmin蛋白表达均显著上调（P〈0．01）。与DM组比较，M组、V组及V＋M组上述指标除Glu、Scr外，均明显改善（P〈0．05或P〈0．01）。与NC组（100％）相比，DM组nephrinmRNA表达下调（78％，P〈0.05）；各治疗组nephrinmRNA表达增加，以M组增加最明显（134％，P〈0．01）。与NC组（100％）相比，DM组MCP-1mRNA表达明显上调（251％，P〈0.05）；各治疗组明显降低，以M组最显著（126％，P〈0．01）。nephrinmRNA与MCP-1mRNA表达呈负相关（r=-0，86。P〈0．01）。尿蛋白量（24h）与MCP-1mRNA呈正相关fr=0．82，P〈0．01）；与nephrinmRNA呈负相关（r=-0．78，P〈0．01）。结论霉酚酸酯及缬沙坦均能下调糖尿病大鼠肾组织中desmin及MCP-1基因及蛋白的表达，上调nephrin基因及蛋白表达，降低尿蛋白量，预防肾损伤。联合治疗不优于单一治疗。霉酚酸酯可能通过抗炎性反应减轻足细胞损伤，减少蛋白尿，对早期DN大鼠具有明显的肾保护作用。

关键词：糖尿病肾病单核细胞趋化因子1 缬沙坦霉酚酸酯 nephrin 足细胞

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血液透析红细胞生成素抵抗患者pro-hepcidin与炎性反应和铁代谢的关系

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中华肾脏病杂志 2012年第10期28卷 752-756页

作者：王蕾关广聚王功玲山东大学第二医院肾内科济南250012 泰安市中心医院泌尿内二科泰安市中心医院内分泌科

目的研究维持性血液透析（MHD）红细胞生成素（EPO）抵抗患者pro-hepcidin与炎性反应和铁代谢的关系。方法40例MHD患者为研究对象，其中20例EPO低反应和20例EPO正常反应。20例健康体检者为对照组。检测参试者的血红细胞计数（RBC）、血... 详细信息

目的研究维持性血液透析（MHD）红细胞生成素（EPO）抵抗患者pro-hepcidin与炎性反应和铁代谢的关系。方法40例MHD患者为研究对象，其中20例EPO低反应和20例EPO正常反应。20例健康体检者为对照组。检测参试者的血红细胞计数（RBC）、血红蛋白（Hb）、网织红细胞计数（Ret）、红细胞比容（Hct）、血清铁蛋白（sF）、转铁蛋白（TF）、血清铁和总铁结合力、转铁蛋白饱和度（TSAT）（TSAT=血清铁／总铁结合力）、血清pro-hepcidin、血清超敏c反应蛋白（***），并比较组间差异。Pearson相关法分析pro-hepcidin的影响因素。ROC曲线预测pro-hepcidin对EPO抵抗的价值。结果MHD患者sF、血清pro-hepcidin、hs-CRP显著高于健康对照者（P〈0．01），TF显著低于健康对照者（P〈0．05）。EPO抵抗患者血清铁蛋白、血清pro-hepcidin、***明显高于反应正常的患者（P〈0．01）。Pearson相关分析显示MHDEPO抵抗患者血清pro-hepcidin水平与血清铁蛋白（r=0．843，P=0．000）和hs-CRP（r=0．695，P=0．001）呈正相关。预测EPO抵抗的ROC曲线显示，pro-hepcidin、SF、hs-CRP曲线下面积分别为0．713、0．769和0．958。结论EPO抵抗与炎性反应和铁代谢相关。血清pro-hepcidin、SF、***有可能成为EPO抵抗的标志。

关键词：血液透析红细胞生成素 C反应蛋白质 pro-hepcidin 血清铁蛋白

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Fundamentals and application in phytoremediation of an efficient arsenate reducing bacterium Pseudomonas putida ARS1

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Journal of Environmental Sciences 2024年第3期137卷 237-244页

作者： Ze-Wen Wang guang Yang Jian Chen Yaoyu Zhou Avelino Nunez Delgado Hui-Ling Cui Gui-Lan Duan Barry P.Rosen Yong-guan Zhu Henan Institute of Advanced Technology Zhengzhou UniversityZhengzhou 450052China State Key Lab of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Department of Cellular Biology and Pharmacology Florida International UniversityHerbert Wertheim College of MedicineMiamiFL33199USA University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Urban Environment and Health Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China College of Resources and Environment Hunan Agricultural UniversityChangsha 410128China Department of Soil Science and Agricultura Chemistry Engineering Polytechnic SchoolUniversity of Santiago de CompostelaCampus Univ.s/n27002LugoSpain

Arsenic is a ubiquitous environmental ***-mediated arsenic biotransformations significantly infuence arsenic mobility and *** transformations by soil and aquatic organisms have been well documented,while little is known regarding effects due to endophytic *** endophyte Pseudomonas putida ARS1 was isolated from rice grown in arsenic contaminated *** ARS1 shows high tolerance to arsenite(As(Ⅲ))and arsenate(As(V)),and exhibits efficient As(V)reduction and As(Ⅲ)effux *** exposed to 0.6 mg/L As(V),As(V)in the medium was completely converted to As(Ⅲ)by *** ARS1 within 4 *** sequencing showed that *** ARS1 has two chromosomal arsenic resistance gene clusters(arsRCBH)that contribute to efficient As(V)reduction and As(Ⅲ)effux,and result in high resistance to *** globosa is a strong arsenic accumulator with high potential for arsenic phytoremediation,which takes up As(Ⅲ)more efficiently than As(V).Co-culture of *** ARS1 and *** enhanced arsenic accumulation in *** by 69%,and resulted in 91%removal of arsenic(at initial concentration of 0.6 mg/L As(V))from water within 3 *** study provides a promising strategy for in situ arsenic phytoremediation through the cooperation of plant and endophytic bacterium.

关键词： Arsenic Pseudomonas putida Arsenate reduction Endophyte Wolffia globosa Phytoremediation

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