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| 1 | Diabetic nephropathy:Is it time yet for routine kidney biopsy?显示文摘Diabetic nephropathy(DN)is one of the most important long-term complications of diabetes.Patients with diabetes and chronic kidney disease have an increased risk of all-cause mortality,cardiovascular mortality,and kidney failure.The clinical diagnosis of DN depends on the detection of microalbuminuria.This usually occurs after the first five years from the onset of diabetes,and predictors of DN development and progression are being studied but are not yet implemented into clinical practice.Diagnostic tests are useful tools to recognize onset,progression and response to therapeutic interventions.Microalbuminuria is an indicator of DN,and it is considered the only noninvasive marker of early onset.However,up to now there is no diagnostic tool that can predict which patients will develop DN before any damage is present.Pathological renal injury is hard to predict only with clinical and laboratory findings.An accurate estimate of damage in DN can only be achieved by the histological analysis of tissue samples.At the present time,renal biopsy is indicated on patients with diabetes under the suspicion of the presence of nephropathies other than DN.Results from renal biopsies in patients with diabetes had made possible the classification of renal biopsies in three major groups associated with different prognostic features:diabetic nephropathy,non-diabetic renal disease(NDRD),and a superimposed non-diabetic condition on underlying diabetic nephropathy.In patients with type 2 diabetes with a higher degree of suspicion for NDRD,it is granted the need of a renal biopsy.It is important to identify and differentiate these pathologies at an early stage in order to prevent progression and potential complications.Therefore,a more extensive use of biopsy is advisable. | Maria L Gonzalez Suarez David B Thomas Laura Barisoni Alessia Fornoni | 2013 | World Journal of Diabetes2013,4,6: | 29 |
| 2 | The ReaxFF reactive force-field: development, applications and future directions显示文摘The reactive force-field(ReaxFF)interatomic potential is a powerful computational tool for exploring,developing and optimizing material properties.Methods based on the principles of quantum mechanics(QM),while offering valuable theoretical guidance at the electronic level,are often too computationally intense for simulations that consider the full dynamic evolution of a system.Alternatively,empirical interatomic potentials that are based on classical principles require significantly fewer computational resources,which enables simulations to better describe dynamic processes over longer timeframes and on larger scales.Such methods,however,typically require a predefined connectivity between atoms,precluding simulations that involve reactive events.The ReaxFF method was developed to help bridge this gap.Approaching the gap from the classical side,ReaxFF casts the empirical interatomic potential within a bond-order formalism,thus implicitly describing chemical bonding without expensive QM calculations.This article provides an overview of the development,application,and future directions of the ReaxFF method. | Thomas P Senftle Sungwook Hong Md Mahbubul Islam Sudhir B Kylasa Yuanxia Zheng Yun Kyung Shin Chad Junkermeier Roman Engel-Herbert Michael J Janik Hasan Metin Aktulga Toon Verstraelen Ananth Grama Adri CT van Duin | 2016 | npj Computational Materials2016,,1: | 22 |
| 3 | 黄芪总黄酮对扑热息痛所致肝损伤的防护机理探讨显示文摘目的 :研究黄芪总黄酮对扑热息痛所致肝损伤的防护机理。方法 :用高压液相测定扑热息痛及代谢产物和苯巴比妥诱导睡眠模型研究黄芪总黄酮 (TFA)对扑热息痛的代谢及TFA抗扑热息痛所致损伤的机理。结果 :TFA可明显降低尿中硫醚胺酸的浓度 ,其变化与TFA浓度成反比 ;但对其它代谢产物的影响无明显统计学差异。苯巴比妥诱导小鼠睡眠实验结果显示 ,TFA (10 0mg·kg-1)本身对苯巴比妥代谢无明显影响 (P >0 .0 5 ) ,扑热息痛 (40 0mg·kg-1)可显著延长小鼠的睡眠时间 (P <0 .0 0 1) ;但TFA (10 0mg·kg-1)明显缩短扑热息痛所延长的苯巴比妥诱导的睡眠时间 (P <0 .0 0 5 )。结论 | 汪德清 Critchley Julian AJH 丁保国 马艳青 赵海潞 Thomas G Neil 田亚平 Tomlinson B rian Critchley Lester AH James Anthony Edward | 2001 | 中国中药杂志2001,26,9: | 13 |
| 4 | 在有类型 2 糖尿病的病人的 nephropathy 的管理。 | Critchley JA Zhao HL Tomlinson B Leung W Thomas GN Chan JC Cockram CS | 2002 | Chinese Medical Journal2002,,1: | 12 |
| 5 | Assessment of noise and ground vibration induced during blasting operations in an open pit mine——A case study on Ewekoro limestone quarry,Nigeria显示文摘Our study was carried out to assess the level of noise generated and ground vibrations induced during blasting operations at the Ewekoro limestone quarry in Nigeria.To achieve this objective,vibro monitor equipment was used to take readings related to noise generated and ground vibrations during all blasting operations that took place in the quarry for a period of one month.As well,a digital camera was used to take photographs of residential structures within villages near the quarry.The results obtained indicate that the ground vibration readings fall between 0.5 mm/s and 2.1 mm/s and the noise generated during the blasting operations between 82 dB and 89 dB.These readings when compared with the limits set by FEPA(Federal Environmental Protection Agency) of 5.0 mm/s and 150 dB) all fall within the permissible limits.However the photographs of most structures near the quarry reveal cracks and dilapidated building walls.Recommendations are made on how to sustain and improve current blasting techniques. | Afeni Thomas B Osasan Stephen K | 2009 | Mining Science and Technology2009,19,4: | 9 |
| 6 | Experimental small bowel preservation using Polysol: A new alternative to University of Wisconsin solution, Celsior and histidine-tryptophan-ketoglutarate solution?显示文摘AIM: To evaluate the potential of Polysol, a newly developed preservation solution, in cold storage of small bowel grafts, compared with the current standards, University of Wisconsin solution (UW), Celsior and histidine-tryptophan-ketoglutarate solution (HTK). METHODS: Male Wistar rats were used as donors. Small bowels were retrieved, flushed and then stored in the respective 4 solutions for 18 h at 4℃. Functional integrity of the grafts was evaluated by isolated reperfusion with oxygenated Krebs-Henseleit buffer at 37℃ for 30 min in all 4 groups. RESULTS: Polysol preservation exhibited the highest tissue ATP concentration and the lowest release of LDH. Malondialdehyde, an index for tissue lipid peroxidation, was also the lowest in Polysol. Tissue oxygen consumption was significantly higher in Polysol than in the others. Of interest, UW-storage promoted 10-fold higher apoptosis than in the others. Moreover, electron microscopy revealed that the mucosal villi/micro-villi formation and the cell organelles, including mitochondria, were both significantly better preserved in Polysol, while deleterious alterations were apparent in the others, most notably in UW. Although Celsior and HTK exhibited the better trend of results than UW in some parameters, but could not reach the over-all superiority to UW.CONCLUSION: Cold storage using Polysol resulted in significantly better integrity and function of small bowel grafts than UW. Hence, Polysol may be a novel alternative for the small bowel preservation. | Lai Wei Koichiro Hata Benedict Marie Doorschodt Reinhard Büttner Thomas Minor René H Tolba | 2007 | World Journal of Gastroenterology2007,13,27: | 9 |
| 7 | Role of interventional radiology in the management of acute gastrointestinal bleeding显示文摘Acute gastrointestinal bleeding(GIB) can lead to significant morbidity and mortality without appropriate treatment. There are numerous causes of acute GIB including but not limited to infection, vascular anomalies, inflammatory diseases, trauma, and malignancy. The diagnostic and therapeutic approach of GIB depends on its location, severity, and etiology. The role of interventional radiology becomes vital in patients whose GIB remains resistant to medical and endoscopic treatment. Radiology offers diagnostic imaging studies and endovascular therapeutic interventions that can be performed promptly and effectively with successful outcomes. Computed tomography angiography and nuclear scintigraphy can localize the source of bleeding and provide essential information for the interventional radiologist to guide therapeutic management with endovascular angiography and transcatheter embolization. This review article provides insight into the essential role of Interventional Radiology in the management of acute GIB. | Raja S Ramaswamy Hyung Won Choi Hans C Mouser Kazim H Narsinh Kevin C McCammack Tharintorn Treesit Thomas B Kinney | 2014 | World Journal of Radiology2014,6,4: | 8 |
| 8 | 金纳米粒子的合成和应用显示文摘金纳米粒子以它独特的光学、电学和催化性质以及在纳米级电子线路中的应用潜力,受到人们越来越多的关注。主要介绍了金纳米粒子的合成方法(模板法、湿化学法、电化学法、扫描探针微影术、光化学还原法和声化学合成法等)、成长机理和应用,展望了金纳米材料未来的研究方向和发展趋势。 | 李巧铃 Bürgi Thomas | 2007 | 现代化工2007,27,z1: | 4 |
| 9 | 平均动脉压、脉压与全因死亡率的纵向变化:来自71629名未经治疗的正常高值血压参与者的数据显示文摘血压通常包括平稳成分[平均动脉压(mean arterial pressure,MAP)]和波动成分,都可独立预测死亡率。目前还没有针对中心脉压(central pulse pressure,cPP)、肱动脉脉压(brachial pulse pressure,bPP)、MAP的纵向变化与死亡率之间关系的调查。方法:对年龄16~95岁未接受高血压治疗的71 629例参与者进行2次常规检查. | Protogerou AD Vlachopoulos C Thomas F Zhang Y Pannier B Blacher J Safar ME 陈云 | 2018 | 中华高血压杂志2018,26,8: | 4 |
| 10 | 美国(2005-2014年)与超重和肥胖有关的癌症发病率的趋势带来的思考显示文摘背景超重和肥胖与至少13种不同类型癌症的风险增加有关。方法 2014年美国癌症统计数据用于评估发病率,2005至2014年的数据用于评估与超重和肥胖相关的癌症趋势[食管腺癌;乳癌(绝经后妇女),结肠、直肠、子宫内膜、胆囊、胃贲门、肾脏、肝脏、卵巢、胰腺、甲状腺癌;脑膜瘤;多发性骨髓瘤]。结果2014年,美国大约有631 000人被诊断为超重和肥胖相关的癌症,占所有被诊断癌症者的40%。超重和肥胖引起的癌症发病率老年人(年龄≥50岁)普遍高于年轻人;女性高于男性;非西班牙裔黑人和非西班牙裔白人成年人与其他群体相比更高。在2005-2014年期间,超重和肥胖相关癌症的发病率因年龄、癌症地点和州的不同而不同。除结直肠癌外,其他超重和肥胖相关癌症的发病率在年龄20~74岁之间的人群显著增加;在年龄≥75岁人群中减少;在32个州中增加;在16个州和哥伦比亚特区稳定。结论美国超重和肥胖相关的癌症负担很高。在一些年龄组和州中,除结直肠癌外,超重和肥胖相关癌症的发生率增加。对公共卫生实践的影响:超重和肥胖相关癌症的负担可能通过努力预防和控制超重和肥胖而减少。综合癌症控制策略,包括使用循证干预措施来促进健康体质量,可以帮助降低美国癌症的发病率。 | 徐斌峰 陈刚 steele c b thomas c c henley s j | 2018 | 福建医药杂志2018,40,1: | 4 |
| 11 | Sentinel-lymph-node resection compared with conventional axillary-lymph-node dissection in clinically node-negative patients with breast cancer: overall survival findings from the NSABP B-32 randomised phase 3 trial显示文摘 | David N Krag Stewart J Anderson Thomas B Julian Ann M Brown Seth P Harlow Joseph P Costantino Takamaru Ashikaga Donald L Weaver Eleftherios P Mamounas Lynne M Jalovec Thomas G Frazier R Dirk Noyes André Robidoux Hugh MC Scarth Norman Wolmark | 2010 | Lancet Oncology2010,,10: | 3 |
| 12 | Neutralizing antibodies in hepatitis C virus infection显示文摘Hepatitis C virus (HCV) is a major cause of hepatitis world-wide. The majority of infected individuals develop chronic hepatitis which can then progress to liver cirrhosis and hepatocellular carcinoma. Spontaneous viral clearance occurs in about 20%-30% of acutely infected individuals and results in resolution of infection without sequaelae. Both viral and host factors appear to play an important role for resolution of acute infection. A large body of evidence suggests that a strong, multispecific and long-lasting cellular immune response appears to be important for control of viral infection in acute hepatitis C. Due too the lack of convenient neutralization assays, the impact of neutralizing responses for control of viral infection had been less defined. In recent years, the development of robust tissue culture model systems for HCV entry and infection has finally allowed study of antibody-mediated neutralization and to gain further insights into viral targets of host neutralizing responses. In addition, detailed analysis of antibody-mediated neutralization in individual patients as well as cohorts with well defined viral isolates has enabled the study of neutralizing responses in the course of HCV infection and characterization of the impact of neutralizing antibodiesfor control of viral infection. This review will summarize recent progress in the understanding of the molecular mechanisms of antibody-mediated neutralization and its impact for HCV pathogenesis. | Mirjam B Zeisel Samira Fafi-Kremer Isabel Fofana Heidi Barth Franoise Stoll-Keller Michel Doffo■l Thomas F Baumert | 2007 | World Journal of Gastroenterology2007,13,36: | 3 |
| 13 | The Neurotrophic Factor Artemin Promotes Pancreatic Cancer Invasion显示文摘 | Güralp O. Ceyhan Nathalia A. Giese Mert Erkan Annika G. Kerscher Moritz N. Wente Thomas Giese Markus W. Büchler Helmut Friess | 2006 | Annals of Surgery2006,,2: | 3 |
| 14 | Meeting report:a hard look at the state of enamel research显示文摘The Encouraging Novel Amelogenesis Models and Ex vivo cell Lines(ENAMEL) Development workshop was held on 23 June 2017 at the Bethesda headquarters of the National Institute of Dental and Craniofacial Research(NIDCR). Discussion topics included model organisms, stem cells/cell lines, and tissues/3 D cell culture/organoids. Scientists from a number of disciplines,representing institutions from across the United States, gathered to discuss advances in our understanding of enamel, as well as future directions for the field. | ophir d klein olivier duverger wendy shaw rodrigo s lacruz derk joester janet moradian-oldak megan k pugach j timothy wright sarah e millar ashok b kulkarni john d bartlett thomas gh diekwisch pamela den besten james p simmer | 2017 | International Journal of Oral Science2017,9,4: | 3 |
| 15 | 金纳米粒子的制备及自组装显示文摘金纳米粒子以它独特的光学、电学和催化性质以及在纳米级电子线路中的应用潜力,受到人们越来越多的关注。本文主要评述了金纳米粒子的合成方法和自组装技术,即对各种制备方法和自组装的特点、纳米粒子的生长机理和自组装机理进行了介绍。展望了金纳米材料未来的研究方向和发展趋势。 | 李巧铃 BüRGI Thomas 陈辉 | 2007 | 功能材料与器件学报2007,13,6: | 3 |
| 16 | Favorable lifestyle before diagnosis associated with lower risk of screen-detected advanced colorectal neoplasia显示文摘AIM: To investigate the association between adherence to health recommendations and detection of advanced colorectal neoplasia(ACN) in colorectal cancer(CRC) screening.METHODS: A total of 14832 women and men were invited to CRC screening, 6959 in the fecal immunochemical test arm and 7873 in the flexible sigmoidoscopy arm. These were also sent a self-reported lifestyle questionnaire to be completed prior to their first CRC screening. A lifestyle score was created to reflect current adherence to healthy behaviors in regard to smoking, body mass index, physical activity, alcohol consumption and food consumption, and ranged from zero(poorest) to six(best). Odds ratios(ORs) and 95%CIs were calculated using multivariable logistic regression to evaluate the association between the single lifestyle variables and the lifestyle score and the probability of detecting ACN.RESULTS: In all 6315 women and men completed the lifestyle questionnaire, 3323(53%) in the FIT arm and 2992(47%) in the FS arm. This was 89% of those who participated in screening. ACN was diagnosed in 311(5%) participants of which 25(8%) were diagnosed with CRC. For individuals with a lifestyle score of two, three, four, and five-six, the ORs(95%CI) for the probability of ACN detection were 0.82(0.45-1.16), 0.43(0.28-0.73), 0.41(0.23-0.64), and 0.41(0.22-0.73), respectively compared to individuals with a lifestyle score of zero-one. Of the single lifestyle factors, adherence to non-smoking and moderate alcohol intake were associated with a decreased probability of ACN detection compared to being a smoker or having a high alcohol intake 0.53(0.42-0.68) and 0.63(0.43-0.93) respectively.CONCLUSION: Adopted healthy behaviors were inversely associated with the probability of ACN detection. Lifestyle assessment might be useful for risk stratification in CRC screening. | Markus D Knudsen Thomas de Lange Edoardo Botteri Dung-Hong Nguyen Helge Evensen Chloé B Steen Geir Hoff Tomm Bernklev Anette Hjartaker Paula Berstad | 2016 | World Journal of Gastroenterology2016,22,27: | 3 |
| 17 | 直接评估吗啡刺激糖尿病人隐静脉内皮一氧化氮释放减少显示文摘to directly measure in real time basal and stimulated levels of NO released from human saphenous vein endothelium and to quantify the expression of the μopiate receptor, which has been linked with NO release. METHODS: Saphenous vein segments from patients with type 2 diabetes ( n = 12) and patients without diabetes (n =8) were obtained. The release of NO was measured directly from the endothelium using a NO-specific amperometric probe. NΩ-nitro-L-arginine methyl ester (L-NAME, 0.1 mmol/L), a NO synthase (NOS) inhibitor, or morphine (1 μmol/L), a stimulant, was administered and the measurements were repeated. Values were reported relative to the mean initial measurement of NO release from diabetic endothelium, which was defined as the relative zero level of NO release. A RT-PCR was then performed on the endothelium to measureμ opiate receptor expression. RESULTS: Diabetic patients (n = 12) showed a relative and significantly diminished basal level of released NO, (0.049± 0.012) nmol/L, compared | Thomas V BILHNGER, James A VOSSWINKEL, Patrick CADET, Christos M RIALAS, Harold I MAGAZINE, George B STEFANO(Division of Cardiothoracic Surgery, Department of Surgery, University Hospital and Medical Center, HSC, T19-080, Stony Brook, New York 11794-8191 Neuroscience Research Institute, State University of New York College at Old Westbury, Old Westbury, New York , USA) | 2002 | Acta Pharmacologica Sinica2002,23,2: | 3 |
| 18 | Corrections on energy spectrum and scatterings for fast neutron radiography at NECTAR facility显示文摘Distortions caused by the neutron spectrum and scattered neutrons are major problems in fast neutron radiography and should be considered for improving the image quality.This paper puts emphasis on the removal of these image distortions and deviations for fast neutron radiography performed at the NECTAR facility of the research reactor FRM-in Technische Universita¨t Mu¨nchen(TUM),Germany.The NECTAR energy spectrum is analyzed and established to modify the influence caused by the neutron spectrum,and the Point Scattered Function(PScF)simulated by the Monte-Carlo program MCNPX is used to evaluate scattering efects from the object and improve image quality.Good analysis results prove the sound efects of the above two corrections. | 刘树全 Bcherl Thomas 李航 邹宇斌 陆元荣 郭之虞 | 2013 | Chinese Physics C2013,37,11: | 3 |
| 19 | 一种房颤风险评分系统的建立(Framingham心脏研究):基于社区的队列研究显示文摘背景房颤导致了发病率和病死率的显著上升。本研究旨在建立一种预测个体罹患房颤绝对风险的风险评分系统,并提供研究人员评价新危险因素的流程。方法作者评估了Framingham心脏研究中于1968年6月至1987年9月间进行了8044次检测的4764例参与者(55%为女性,年龄45~95岁)。此后,参与者被随访至房颤首发,随访期最长达10年。多变量Coxi回归确认出1(1年内罹患房颤的临床危险因素。次级分析纳入了常规超声心动图检测指标(5152例4参与者,7156次检测)对房颤风险进行再分层评估,并评价超声检测指标能否提高风险预测能力。结果4764例参与者中的457例4(10%)罹患房颤。年龄、性别、体重指数、收缩压、降压治疗、PR间期、有临床意义的心脏杂音及心力衰竭与房颤相关,并被纳入了风险评分模型(除体重指数P=0.08外,其余均为P〈0.05),模型的C统计量为0.78(95%CI0.76~0.80)。10年房颤风险随年龄变化:年龄〈65岁的人群中53例(1%)风险高于15%,而〉65岁的人群中为783例(27%)。为提高预测能力而纳入超声检测指标仅使模型C统计量略微增高,由0.78(95%C10.75~0.80)增至0.79(95%CI0.77~0.82:P=0.005)。超声心动图检测指标并不能改善风险再分层评估(P=0.18)。结论基于社区医疗中易得的临床因素建立的风险评分系统,有助于确认社区个体罹患房颤的风险,评估技术或标志物能否改善风险预测,以及针对高危个体采取预防措施。 | Renate B Schnabel Lisa M Sullivan Daniel Levy Michael J Pencina Joseph M Massaro Ralph B D'Agostino Sr Christopher Newton-Cheh Jennifer F Yamamoto Jared W Magnani Thomas M Tadros William B Kannel Thomas J Wang Patrick T Ellinor Philip A Wolf Ramachanclran S Vasan Emelia J Benjamin 黄刚(译) | 2009 | 世界临床医学2009,,9: | 2 |
| 20 | Diagnostic criteria and severity assessment of acute cholangitis: Tokyo Guidelines显示文摘 | Keita Wada Tadahiro Takada Yoshifumi Kawarada Yuji Nimura Fumihiko Miura Masahiro Yoshida Toshihiko Mayumi Steven Strasberg Henry A. Pitt Thomas R. Gadacz Markus W. Büchler Jacques Belghiti Eduardo de Santibanes Dirk J. Gouma Horst Neuhaus Christos Derven | 2007 | Journal of Hepato - Biliary - Pancreatic Surgery2007,,1: | 2 |