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| 1 | 限制热量摄入6个月对超重者寿命指标、代谢调节及氧化应激的影响——随机对照试验AuthorAffiliations:PenningtonBiomedicalResearchCenter.LouisianaStateUniversity.BatonRouge;andGarvan.InstituteforMedicalResearch.Dadinghurst,AustraIia(DrHeilbronn).显示文摘背景:长期限制热量摄入可延长啮齿类动物的寿命。但是,尚未有研究观测长期限制人体热量是否会影响其寿命及氧化应激指标,降低代谢率。
目的:在超重但不肥胖(体重指数为25—30)的人群中研究限制热量6个月伴/不伴运动对其产生的影响。
设计、地点及参试者:于2002年3月至2004年8月在位于路易斯安娜州首府巴顿鲁治的研究中心对48名不好动的健康人进行随机对照研究。
干预:参试者在6个月内随机分为4个组:对照组(饮食可维持体重);限制热量组(限制基线所需能量的25%);限制热量+运动组(限制12.5%的热量+运动增加12.5%的能耗);极低热量饮食组(每日摄入890keal,直至体重减少15%,随后采用维持体重的饮食)。
主要观测指标:机体组成;硫酸脱氢表雄酮(dehydroepiandrostemne sulfate,DHEAS)、葡萄糖及胰岛素水平;蛋白羰基化合物;DNA损伤;24小时能耗;核心体温。
结果:6个月时各组体重变化的均值(标准误)为:对照组-1.0%(1.1%);限制热量组-10.4%(0.9%);限制热量+运动组-10.0%(0.8%);极低热量饮食组-13.9%(0.7%)。6个月时,各干预组空腹血糖水平较基线明显降低(P均〈0.01),而DHEAS和葡萄糖水平没有改变。限制热量组及限制热量+运动组核心体温有所下降(P均〈0.05)。对机体组成进行校正后发现,对照组24小时静息能耗无变化,但限制热量组(-135kcal/d[42kcal/d])、限制热量+运动组(-117kcal/d[52kcal/d])和极低热量饮食组(-125kcal/d[35kcal/d])24小时静息能耗有所下降(P均〈0.008)。上述“代谢调节”(超出预计值的-6%)与对照组相比存在显著差异(P〈0.05)。6个月时,各组蛋白羰基化合物的浓度较基线时无变化,而各干预组DNA损伤有所减少(P〈0.005)。
结论:我们的研究结果显示,长期限制热量可降低人类寿命的2种指标(即空腹胰岛素水平和体温)。此外,我们的研究结果还支持下述理论,即限制热量能降低代谢率,且超过缩小代谢面积产生的相应效应。我们尚需开展远期研究来评价限制热量能否延缓人类衰老过程。 | Leonie K. Heibronn Lilian de Jonge Madlyn I. Frisard James P. DeLany D. Enette Larson-Meyer Jennifer Rood Tuong Nguyen Corby K. Martin Julia Volaufova Marlene M. Most Frank L. Greenway Steven R. Smith Walter A. Deutsch Donald A. Williamson Eric Ravussin 顾佳(译) | 2006 | 美国医学会杂志(中文版)2006，25，5： | 18 |
| 2 | Simultaneous development of diabetic ketoacidosis and Hashitoxicosis in a patient treated with pegylated interferon-alpha for chronic hepatitis C显示文摘Classical interferon-alpha has been shown to be correlated with the development of a variety of autoimmune disorders. A 38 year-old female patient developed simultaneously diabetic ketoacidosis and hyperthyroidism 5 mo following initiation of treatment with pegylated interferon-α and ribavirin for chronic hepatitis C. High titers of glutamic acid decarboxylase, antinuclear and thyroid (thyroid peroxidase and thyroglobulin) antibodies were detected. Antiviral treatment was withdrawn and the patient was treated with insulin for insulin-dependent diabetes mellitus and propranolol for hyperthyroidism. Twelve months after cessation of pegylated interferon-α therapy the patient was euthyroid without any medication but remained insulin-dependent. | Aspasia S Soultati Spyridon P Dourakis Alexandra Alexopoulou Melanie Deutsch Athanasios J Archimandritis | 2007 | World Journal of Gastroenterology2007，13，8： | 15 |
| 3 | Nutritional issues in patients with obesity and cirrhosis显示文摘Obesity and metabolic syndrome are considered as responsible for a condition known as the non-alcoholic fatty liver disease that goes from simple accumulation of triglycerides to hepatic inflammation and may progress to cirrhosis.Patients with obesity also have an increased risk of primary liver malignancies and increased body mass index is a predictor of decompensation of liver cirrhosis.Sarcopenic obesity confers a risk of physical impairment and disability that is significantly higher than the risk induced by each of the two conditions alone as it has been shown to be an independent risk factor for chronicliver disease in patients with obesity and a prognostic negative marker for the evolution of liver cirrhosis and the results of liver transplantation.Cirrhotic patients with obesity are at high risk for depletion of various fat-soluble,water-soluble vitamins and trace elements and should be supplemented appropriately.Diet,physical activity and protein intake should be carefully monitored in these fragile patients according to recent recommendations.Bariatric surgery is sporadically used in patients with morbid obesity and cirrhosis also in the setting of liver transplantation.The risk of sarcopenia,micronutrient status,and the recommended supplementation in patients with obesity and cirrhosis are discussed in this review.Furthermore,the indications and contraindications of bariatric surgery-induced weight loss in the cirrhotic patient with obesity are discussed. | Luigi Schiavo Luca Busetto Manuela Cesaretti Shira Zelber-Sagi Liat Deutsch Antonio Iannelli | 2018 | World Journal of Gastroenterology2018，24，30： | 9 |
| 4 | MicroRNAs as novel predictive biomarkers and therapeutic targets in colorectal cancer显示文摘Colorectal cancer(CRC) is the third most common cancer in western countries. Despite significant improvement in available treatment options, CRC still remains the second leading cause of cancer-related death. Traditionally, 5-fluorouracil has been used as the main chemotherapy drug for treatment of metastatic CRC(mCRC). However, during the last two decades more effective chemotherapeutic agents such as oxaliplatin, irinotecan and the monoclonal antibodies cetuximab, panitumumab and bevacizumab have been used in clinical practice. More recently, the therapeutic armamentarium has been supplemented by the monoclonal antibodies bevacizumab, cetuximab and panitumumab as well as the protein-trap aflibercept and the smallmolecule multi-kinase inhibitor regorafenib. One of the major problems for the management of CRC is the inherent or acquired resistance to therapeutic approaches. The discovery of microRNAs(miRNAs), a class of small, endogenous, non-coding, single-stranded RNAs that play a role as post-transcriptional regulators, has added new dimensions to the diagnosis and treatment of cancer. Because miRNAs are important regulators of carcinogenesis, progression, invasion, angiogenesis and metastases in CRC, they might serve as potential predictive and prognostic factors and even as therapeutic targets themselves. Several miRNAs are already known to be dysregulated in CRCs and have been linked to biological processes involved in tumor progression and response to anti-cancer therapies. This review summarizes current therapeutic approaches for treating CRC and highlights the role of miRNAs as novel predictive biomarkers and potential drug targets in CRC patients. | Verena Stiegelbauer Samantha Perakis Alexander Deutsch Hui Ling Armin Gerger Martin Pichler | 2014 | World Journal of Gastroenterology2014，20，33： | 7 |
| 5 | Hepatocellular carcinoma in the post-hepatitis C virus era: Should we change the paradigm?显示文摘Hepatocellular carcinoma (HCC) is a common and deadly malignancy. The disease usually develops on a background of chronic liver disease. Until recently, the most common etiology was infection with the hepatitis C virus (HCV). The advent of direct-acting antiviral (DAA) therapies has been a major breakthrough in HCV treatment. Sustained virologic response can now be achieved in almost all treated patients, even in patients with a high risk for the development of HCC, such as the elderly or those with significant fibrosis. Early reports raised concerns of a high risk for HCC occurrence after DAA therapy both in patients with previous resection of tumors and those without previous tumors. As the World Health Organization’s goals for eradication of HCV are being endorsed worldwide, the elimination of HCV seems feasible. Simultaneous to the decrease in the burden of cirrhosis from HCV, non-alcoholic fatty liver disease (NAFLD) incidence has been increasing dramatically including significant increased incidence of cirrhosis and HCC in these patients. Surprisingly, a substantial proportion of patients with NAFLD were shown to develop HCC even in the absence of cirrhosis. Furthermore, HCC treatment and potential complications are known to be influenced by liver steatosis. These changes in etiology and epidemiology of HCC suggest the beginning of a new era: The post–HCV era. Changes may eventually undermine current practices of early detection, surveillance and management of HCC. We focused on the risk of HCC occurrence and recurrence in the post–HCV era, the surveillance needed after DAA therapy and current studies in HCC patients with NAFLD. | Hadar Meringer Oren Shibolet Liat Deutsch | 2019 | World Journal of Gastroenterology2019，25，29： | 6 |
| 6 | Glutathione Peroxidase Revisited—Simulation of the Catalytic Cycle by Computer-Assisted Molecular Modelling显示文摘Glutathione peroxidase, the first example of selenoproteins identified in mammals, was subjected to force field calculations and molecular dynamics in order to enable a clearer comprehension of enzymatic selenium catalysis. Starting from the established X-ray structure of bovine GPX, all kinetically defined intermediates and enzyme substrate complexes were modelled. The models thus obtained support the hypothesis that the essential steps of the catalysis are three distinct redox changes of the active site selenium which, in the ground state, presents itself at the surface of selenoperoxidases as the center of a characteristic triad built by selenocysteine, glutarnine and tryptophan. In GPX, four arginine residues and a lysine residue provide an electrostatic architecture which, in each reductive step, directs the donor substrate GSH towards the catalytic center in such a way that 1ts sulfhydryl group must react with the selenium moiety. To this end, different equally efficient modes of substrate binding appear possible. The models are consistent with substrate specificity data, kinetic pattern and other functional characteristics of the enzyme. Comparison of molecular models of GPX with those of other members of the GPX superfamily reveals that the cosubstrate binding mechanisrns are unique for the classical type of cytosolic glutathione peroxidases but cannot operate e. g. in plasma GPX and phospholipid hydroperoxide GPX. The structural differences between the selenoperoxidases, shown to be relevant to their specificities, are discussed in terms of functional diversification within the GPX | K. -D. AUMANN N. BEDORF R. BRIGELIUS-FLOHED D. SCHOMBURG AND L. FLOHE(Gesellschaft fur Biotechnologische Forschung mbH (GBF) Mascheroder Weg 1, D-38124 Braunschweig, Germany Deutsches Institut fur Ernahrungsforschung (DIfE) Arthur-Scheunert-Allee 114 | 1997 | Biomedical and Environmental Sciences1997，10，2： | 6 |
| 7 | Relationship between HER-2 overexpression and brain metastasis in esophageal cancer patients显示文摘AIM:To study if HER-2 overexpression by locally advanced esophageal cancers increase the chance of brain metastasis following esophagectomy.METHODS:We retrospectively reviewed the medical records of esophageal cancer patients who underwent esophagectomy at University of Iowa Hospitals and Clinics between 2000 and 2010.Data analyzed consisted of demographic and clinical variables.The brain metastasis tissue was assayed for HER-2 overexpression utilizing the FDA approved DAKO Hercept Test.RESULTS:One hundred and forty two patients were reviewed.Median age was 64 years(36-86 years).Eighty eight patients(62%) received neoadjuvant chemoradiotherapy.Pathological complete and partial responses were achieved in 17(19%) and 71(81%) patients.Cancer relapsed in 43/142(30%) patients.The brain was the first site of relapse in 9/43 patients(21%,95% CI:10%-36%).HER-2 immunohistochemistry testing of the brain metastasis tissue showed that 5/9(56%) cases overexpressed HER-2(3+ staining).CONCLUSION:HER-2 overexpression might be associated with increased risk of brain metastasis in esophageal cancer patients following esophagectomy.Further studies will be required to validate this observation. | Taher Abu Hejleh Barry R DeYoung Eric Engelman Jeremy M Deutsch Bridget Zimmerman Thorvardur R Halfdanarson Daniel J Berg Kalpaj R Parekh William R Lynch Mark D Iannettoni Sudershan Bhatia Gerald Clamon | 2012 | World Journal of Gastrointestinal Oncology2012，4，5： | 5 |
| 8 | A linear programming model for long-term mine planning in the presence of grade uncertainty and a stockpile显示文摘The complexity of an open pit production scheduling problem is increased by grade uncertainty. A method is presented to calculate the cost of uncertainty in a production schedule based on deviations from the target production. A mixed integer linear programming algorithm is formulated to find the mining sequence of blocks from a predefined pit shell and their respective destinations, with two objectives:to maximize the net present value of the operation and to minimize the cost of uncertainty. An efficient clustering technique reduces the number of variables to make the problem tractable. Also, the parameters that control the importance of uncertainty in the optimization problem are studied. The minimum annual mining capacity in presence of grade uncertainty is assessed. The method is illustrated with an oil sand deposit in northern Alberta. | Koushavand Behrang Askari-Nasab Hooman Deutsch Clayton V. | 2014 | International Journal of Mining Science and Technology2014，24，4： | 5 |
| 9 | Older age, longer procedures and tandem endoscopic-ultrasound as risk factors for post-endoscopic retrograde cholangiopancreatography bacteremia显示文摘BACKGROUND Clinically significant post-endoscopic retrograde cholangiopancreatography(ERCP) bacteremia(PEB) occurs in up to 5% of cases, while antibiotic prophylaxis is recommended only when an ERCP is unlikely to achieve complete biliary drainage. However, the current recommendations may not cover all potential risk factors for PEB.AIM To identify novel risk factors for PEB and evaluate appropriateness of antibiotic prophylaxis.METHODS A retrospective study of 1082 ERCP procedures performed between January 2012-December 2013 in a single tertiary medical center. Data collection included: Demographic and clinical characteristics such as pre and post procedure antibiotic treatment and bacterial blood cultures. Exclusion criteria were:(1) Age < 18 years;(2) Positive bacterial blood culture before ERCP;(3) Scheduled antibiotic treatment prior to ERCP;(4) Hospitalization longer than 14 d before ERCP;and(5) missing critical data. Stepwise Logistic Regression analysis and Decision Tree algorithms were used for prediction modeling of PEB.RESULTS A total of 626 ERCPs performed in 434 patients were included. Mean age 66.49 ± 15.4 years and 46.5% were males. PEB prevalence was 3.7%. Antibiotic prophylaxis was administrated in 139/626(22.2%) cases but was indicated according to the guidelines only in 44/626(7%) cases. In all the PEB cases, prophylaxis was deemed not indicated. A stepwise logistic regression [receiver operating characteristic(ROC), 0.766], identified 3 variables as independent risk factors for PEB: Age at ERCP ≥ 75 years(OR, 3.780, 95%CI: 1.519-9.408, P = 0.004);Tandem EUS/ERCP with fine needle aspiration(FNA)(OR, 14.528, 95%CI: 3.571-59.095, P < 0.001);ERCP duration longer than 60 min(OR, 5.396, 95%CI: 1.86-15.656, P = 0.002). In a decision tree model(ROC, 0.778) the probability for PEB without any risk factors was 1% regardless of prophylaxis administration.CONCLUSION The prevalence of PEB in our study is similar to previous reports, despite the fact that antibiotic prophylaxis was administrated more readily than recommended. ERCP duration longer than 60 min, tandem EUS-ERCP with FNA and age above 75 years are significant risk factors for PEB. These factors should be further evaluated as indications for prophylactic antibiotic treatment before ERCP. | Liat Deutsch Shay Matalon Adam Phillips Moshe Leshno Oren Shibolet Erwin Santo | 2020 | World Journal of Gastroenterology2020，26，41： | 3 |
| 10 | Distinct roles of the receptor tyrosine kinases Tie-1 and Tie-2 in blood vessel formation显示文摘 | Sato TN Tozawa Y Deutsch U | | 0，，： | 3 |
| 11 | Ion stopping in dense plasmas: A basic physics approach显示文摘We survey quite extensively the present research status of ion-stopping in dense plasmas of potential importance for initial confinement fusion(ICF)drivenby intense and heavy ion beams,and alsofor warm dense matter(WDM).First,we putemphasis on every possible mechanism involved in the shaping of the ion projectile effective charge,while losing energy in a target plasma with classical ions and partially degenerate electrons.Then,we switch to ion stopping by target bound electrons,taking detailed account of mean excitation energies.Free electron stopping has already been given a lot of attention in former works[C.Deutsch et al.,Recent Res.Devel.Plasma 1(2000)1-23;Open Plasma Phys.J.3(2010)88-115].Then,we extend the usual standard stopping model(SSM)framework to nonlinear stopping including a treatment of the Z 3 Barkas effect and a confronting comparison of Bloch and Bohr Coulomb logarithms.Finally,we document low velocity ion slowing down(LVISD)in single ion plasmas as well as in binary ionic mixtures(BIM),in connection with specific ICF fuels. | Claude Deutsch Gilles Maynard | 2016 | Matter and Radiation at Extremes2016，1，6： | 3 |
| 12 | Value of a comprehensive geriatric assessment for predicting one-year outcomes in patients undergoing transcatheter aortic valve implantation: results from the CGA-TAVI multicentre registry显示文摘Background In a three-month report from the CGA-TAVI registry, we found the Multidimensional Prognostic Index (MPI) and Short Physical Performance Battery (SPPB) to be of value for predicting short-term outcomes in elderly patients undergoing transcatheter aortic valve implantation (TAVI). In the present analysis, we examined the association of these tools with outcomes up to one year post-TAVI. Methods CGA-TAVI is an international, observational registry of geriatric patients undergoing TAVI. Patients were assessed using the MPI and SPPB. Efficacy of baseline values and any postoperative change for predicting outcome were established using logistic regression. Kaplan- Meier analysis was carried out for each comprehensive geriatric assessment tool, with survival stratified by risk category. Results One year after TAVI, 14.1% of patients deceased, while 17.4% met the combined endpoint of death and/or non-fatal stroke, and 37.7% the combined endpoint of death and/or hospitalisation and/or non-fatal stroke. A high-risk MPI score was associated with an increased risk of all-cause mortality (aOR = 36.13, 95% CI: 2.77–470.78, P = 0.006) and death and/or non-fatal stroke (aOR = 10.10, 95% CI: 1.48–68.75, P = 0.018). No significant associations were found between a high-risk SPPB score and mortality or two main combined endpoints. In contrast to a worsening SPPB, an aggravating MPI score at three months post-TAVI was associated with an increased risk of death and/or non-fatal stoke at one year (aOR = 95.16, 95% CI: 3.41–2657.01). Conclusions The MPI showed value for predicting the likelihood of death and a combination of death and/or non-fatal stroke by one year after TAVI in elderly patients. | Martijn S.van Mourik Nathalie van der Velde Giulio Mannarino Marie-Pierre Thibodeau Jean-Bernard Masson Gennaro Santoro Jan Baan Sofie Jansen Jana Kurucova Martin Thoenes Cornelia Deutsch ANDreas W.Schoenenberger ANDrea Ungar Peter Bramlage M Marije Vis | 2019 | Journal of Geriatric Cardiology2019，16，6： | 3 |
| 13 | Histologic and Imaging Features of Mural Nodules in Mucinous Pancreatic Cysts显示文摘 | Ning Zhong Lizhi Zhang Naoki Takahashi Vladislav Shalmiyev Marcia Irene Canto Jonathan E. Clain John C. Deutsch John DeWitt Mohamad A. Eloubeidi Ferga C. Gleeson Michael J. Levy Shawn Mallery Massimo Raimondo Elizabeth Rajan Tyler Stevens Mark Topazian | 2012 | Clinical Gastroenterology and Hepatology2012，，2： | 2 |
| 14 | 临床试验数据共享声明国际医学期刊编辑委员会统一要求显示文摘国际医学期刊编辑委员会(ICMJE)认为,由于临床试验参与者处于研究风险之中,我们有伦理义务来负责任地共享干预性临床试验产生的原始数据。2016年1月,ICMJE发表了1项关于临床试验数据共享的提案,旨在帮助创造共享去标识个体患者数据的常态化环境。迄今,应我们的反馈要求,ICMJE收到了很多来自个人和团体的意见。 | Darren B Taichman Peush Sahni Larry Peiperl Christine Laine Astrid James Sung-Tae Hong Abraham Haileamlak Laragh Gollogly Fiona Godlee Frank A Frizelle Fernando Florenzano Jeffrey M Drazen Howard Bauchner Christopher Baethge Deutsches Arzteblatt Joyce Backus 季媛媛 | 2017 | 英国医学杂志中文版2017，20，7： | 2 |
| 15 | 基于储层静态地质参数的一种随机建模结果排序方法显示文摘储层随机建模可以产生大量实现,而油藏数值模拟由于计算量大,通常只能对非常有限的实现进行模拟计算。随机选择实现常常会导致过于悲观或过于乐观的模拟结果,并且无法合理评价地质模型所包含的不确定性。利用与数模响应密切相关的静态地质指标,如连通原油体积对实现进行排序,然后选择典型的实现进行数模,较好地解决这一问题。但是,该指标没有考虑含油网格与生产井之间的距离及渗透率大小,而这两个参数对于流体流动有着重要的控制作用。在连通原油体积的基础上提出了一种新的排序指标。该指标在计算连通原油体积的公式上增加了网格与生产井之间的距离和渗透率两个影响因子。通过实例对这两种指标进行了对比研究,新指标更好地反映了不同实现的差别。 | 李少华 张昌民 Clayton V. Deutsch | 2010 | 石油学报2010，31，3： | 2 |
| 16 | Endotracheal tube cuff-small important part of a big issue显示文摘 | Shai Efrati Israel Deutsch Gabriel M. Gurman | 2012 | Journal of Clinical Monitoring and Computing2012，，1： | 2 |
| 17 | Increased fibrosis progression rates in hepatitis C patients carrying the prothrombin G20210A mutation显示文摘AIM: To examine whether hepatitis C virus (HCV)-infected patients who carry hypercoagulable mutationssuffer from increased rates of liver fi brosis. METHODS: We analyzed DNA samples of 168 HCV patients for three common hypercoagulable gene mutations: prothrombin 20210 (PT20210), factor V Leiden (FV Leiden) and methylene tetrahydrofolate reductase (MTHFR). The patients were consecutively recruited as part of the prospective 'Fibroscore Study' in France. The effect of the various mutations on the rate of fi-brosis was analyzed statistically and was correlated with epidemiological, clinical and biochemical data such as grade and stage of liver biopsies, patients' risk factors for liver cirrhosis, and timing of infection. RESULTS: Fifty two of the patients were categorized as 'fast fi brosers' and 116 as 'slow fi brosers'; 13% of the 'fast fi brosers' carried the PT20210 mutation as compared with 5.5% of the 'slow fi brosers', with an odds ratio of 4.76 (P = 0.033; 95% CI: 1.13-19.99) for 'fast' liver fibrosis. Carriage of MTHFR or FV Leiden mutations was not associated with enhanced liver fi brosis. CONCLUSION: Carriage of the PT20210 mutation is related to an increased rate of liver fi brosis in HCV patients. | Nitsan Maharshak Philippe Halfon Varda Deutsch Hava Peretz Shlomo Berliner Sigal Fishman Shira Zelber-Sagi Uri Rozovski Moshe Leshno Ran Oren | 2011 | World Journal of Gastroenterology2011，17，45： | 2 |
| 18 | Circulating biomarkers of hepatocellular carcinoma response after locoregional treatments: New insights显示文摘Hepatocellular cancer is the 5th most common cancer in the world and the third cause of death by malignant disease. Locoregional therapies are the most usual treatment of choice for patients with early or intermediate stage of disease. The main diagnostictools for the detection of recurrence are the radiological techniques such as 4-phase computed tomography or dynamic contrast enhanced magnetic resonance imaging. However, in order to achieve best evaluation of treatment outcome and recurrence rates, there is a great need for the identification of specific and easily measured circulating biomarkers. The aim of this review is to analyze the existing data considering the prognostic significance of changes of serum diagnostic markers such as alpha-fetoprotein, des-gamma-carboxy prothrombin, alpha-fetoprotein-L3, angiogenetic factors(vascular endothelial growth factor, hypoxia inducible factor-1a) and immune parameters before and after radiofrequency ablation or transarterial chemoembolization. | Maria Tampaki Polyxeni P Doumba Melanie Deutsch John Koskinas | 2015 | World Journal of Hepatology2015，7，14： | 2 |
| 19 | Ultrastructure studies on the invasion of melanomas in initial lymphatics skin 显示文摘 | Lubach D Nissen S | 1992 | J Invest Demoatol1992，98，： | 1 |
| 20 | Distinct roles of the receptor tyrosine kinases Tie-1 and Tie-2 in blood vessel formation显示文摘 | Tozawa Y Deutsch U | 1995 | Nature1995，376，6535： | 1 |
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