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| 1 | When worlds collide: Th17 and Treg cells in cancer and autoimmunity显示文摘The balance between Th17 cells and regulatory T cells(Tregs)has emerged as a prominent factor in regulating autoimmunity and cancer.Th17 cells are vital for host defense against pathogens but have also been implicated in causing autoimmune disorders and cancer,though their role in carcinogenesis is less well understood.Tregs are required for self-tolerance and defense against autoimmunity and often correlate with cancer progression.This review addresses the importance of a functional homeostasis between these two subsets in health and the consequences of its disruption when these forces collide in disease.Importantly,we discuss the ability of Th17 cells to mediate cancer regression in immunotherapy,including adoptive transfer and checkpoint blockade therapy,and the therapeutic possibilities of purposefully offsetting the Th17/Treg balance to treat patients with cancer as well as those with autoimmune diseases. | Hannah M.Knochelmann Connor J.Dwyer Stefanie R.Bailey Sierra M.Amaya Dirk M.Elston Joni M.Mazza-Mc.Crann Chrystal M.Paulos | 2018 | Cellular & Molecular Immunology2018，15，5： | 50 |
| 2 | Obstructive jaundice due to hepatobiliary cystadenoma or cystadenocarcinoma显示文摘Hepatobiliary cystadenomas (HBC) and cystadenocarci- nomas are rare cystic lesions. Most patients with these lesions are asymptomatic, but presentation with ob- structive jaundice may occur. The first patient presented with intermittent colicky pain and recurrent obstructive jaundice. Imaging studies revealed a polypoid lesion in the left hepatic duct. The second patient had recurrent jaundice and cholangitis. Endoscopic retrograde cholan- giopancreatography (ERCP) showed a cystic lesion at the confluence of the hepatic duct. In the third patient with intermittent jaundice and cholangitis, cholangioscopy re- vealed a papillomatous structure protruding into the left bile duct system. In the fourth patient with obstructive jaundice, CT-scan showed slight dilatation of the intrahe- patic bile ducts and dilatation of the common bile duct of 3 cm. ERCP showed filling of a cystic lesion. All patients underwent partial liver resection, revealing HBC in the specimen. In the fifth patient presenting with obstructive jaundice, ultrasound examination showed a hyperecho- genic cystic lesion centrally in the liver. The resection specimen revealed a hepatobiliary cystadenocarcinoma. HBC and cystadenocarcinoma may give rise to obstruc- tive jaundice. Evaluation with cross-sectional imaging techniques is useful. ERCP is a useful tool to differentiate extraductal from intraductal obstruction. | Deha Erdogan Olivier RC Busch Erik AJ Rauws Otto M van Delden Dirk J Gouma Thomas M van Gulik | 2006 | World Journal of Gastroenterology2006，12，35： | 26 |
| 3 | Intraductal ultrasound substantiates diagnostics of bile duct strictures of uncertain etiology显示文摘AIM:To report the largest patient cohort study investigating the diagnostic yield of intraductal ultrasound (IDUS) in indeterminate strictures of the common bile duct.METHODS:A patient cohort with bile duct strictures of unknown etiology was examined by IDUS.Sensitivity,specificity and accuracy rates of IDUS were calculated relating to the definite diagnoses proved by histopathology or long-term follow-up in those patients who did not undergo surgery.Analysis of the endosonographic report allowed drawing conclusions with respect to the T and N staging in 147 patients.IDUS staging was compared to the postoperative histopathological staging data allowing calculation of sensitivity,specificity and accuracy rates for T and N stages.The endoscopic retrograde cholangio-pancreatography and IDUS procedures were performed under fluoroscopic guidance using a side-viewing duodenoscope (Olympus TJF 160,Olympus,Ltd.,Tokyo,Japan).All procedures were performed under conscious sedation (propofol combined with pethidine) according to the German guidelines.For IDUS,a 6 F or 8 F ultrasound miniprobe was employed with a radial scanner of 15-20 MHz at the tip of the probe (Aloka Co.,Tokyo,Japan).RESULTS:A total of 397 patients (210 males,187 females,mean age 61.43 ± 13 years) with indeterminate bile duct strictures were included.Two hundred and sixty-four patients were referred to the department of surgery for operative exploration,thus surgical histopathological correlation was available for those patients.Out of 264 patients,174 had malignant disease proven by surgery,in 90 patients benign disease was found.In these patients decision for surgical exploration was made due to suspicion for malignant disease in multimodal diagnostics (computed tomography scan,endoscopic ultrasound or magnetic resonance imaging).Twenty benign bile duct strictures were misclassified by IDUS as malignant while 14 patients with malignant strictures were initially misdiagnosed by IDUS as benign resulting in sensitivity,specificity and accuracy ratesof 93.2%,89.5% and 91.4%,respectively.In the subgroup analysis of malignancy prediction,IDUS showed best performance in cholangiocellular carcinoma as underlying disease (sensitivity rate,97.6%) followed by pancreatic carcinoma (93.8%),gallbladder cancer (88.9%) and ampullary cancer (80.8%).A total of 133 patients were not surgically explored.32 patients had palliative therapy due to extended tumor disease in IDUS and other imaging modalities.Ninety-five patients had benign diagnosis by IDUS,forceps biopsy and radiographic imaging and were followed by a surveillance protocol with a follow-up of at least 12 mo;the mean follow-up was 39.7 mo.Tumor localization within the common bile duct did not have a significant influence on prediction of malignancy by IDUS.The accuracy rate for discriminating early T stage tumors (T1) was 84% while for T2 and T3 malignancies the accuracy rates were 73% and 71%,respectively.Relating to N0 and N1 staging,IDUS procedure achieved accuracy rates of 69% for N0 and N1,respectively.Limitations:Pretest likelihood of 52% may not rule out bias and overinterpretation due to the clinical scenario or other prior performed imaging tests.CONCLUSION:IDUS shows good results for accurate diagnostics of bile duct strictures of uncertain etiology thus allowing for adequate further clinical management. | Tobias Meister Hauke S Heinzow Carina Woestmeyer Philipp Lenz Josef Menzel Torsten Kucharzik Wolfram Domschke Dirk Domagk | 2013 | World Journal of Gastroenterology2013，19，6： | 19 |
| 4 | Highly Sensitive Ultrathin Flexible Thermoplastic Polyurethane/Carbon Black Fibrous Film Strain Sensor with Adjustable Scaffold Networks显示文摘In recently years,high-performance wearable strain sensors have attracted great attention in academic and industrial.Herein,a conductive polymer composite of electrospun thermoplastic polyurethane(TPU)fibrous film matrix-embedded carbon black(CB)particles with adjustable scaffold network was fabricated for high-sensitive strain sensor.This work indicated the influence of stereoscopic scaffold network structure built under various rotating speeds of collection device in electrospinning process on the electrical response of TPU/CB strain sensor.This structure makes the sensor exhibit combined characters of high sensitivity under stretching strain(gauge factor of 8962.7 at 155%strain),fast response time(60 ms),outstanding stability and durability(>10,000 cycles)and a widely workable stretching range(0–160%).This high-performance,wearable,flexible strain sensor has a broad vision of application such as intelligent terminals,electrical skins,voice measurement and human motion monitoring.Moreover,a theoretical approach was used to analyze mechanical property and a model based on tunneling theory was modified to describe the relative change of resistance upon the applied strain.Meanwhile,two equations based from this model were first proposed and offered an effective but simple approach to analyze the change of number of conductive paths and distance of adjacent conductive particles. | Xin Wang Xianhu Liu Dirk W.Schubert | 2021 | Nano-Micro Letters2021，13，4： | 19 |
| 5 | mmunological functions of liver sinusoida endothelial cells显示文摘 | Percy A Knolle Dirk Wohlleber | 2016 | Cellular & Molecular Immunology2016，13，3： | 18 |
| 6 | Clinical outcome and predictors of survival after TIPS insertion in patients with liver cirrhosis显示文摘AIM:To determine the clinical outcome and predictors of survival after transjugular intrahepatic portosystemic stent shunt (TIPS) implantation in cirrhotic patients. METHODS:Eighty-one patients with liver cirrhosis and consequential portal hypertension had TIPS implantation (bare metal) for either refractory ascites (RA) (n= 27) or variceal bleeding (VB) (n = 54). Endpoints for the study were:technical success, stent occlusion and stent stenosis, rebleeding, RA and mortality. Clinical records of patients were collected and analysed. Baseline characteristics [e.g., age, sex, CHILD score and the model for end-stage liver disease score (MELD score), underlying disease] were retrieved. The Kaplan-Meier method was employed to calculate survival from the time of TIPS implantation and comparisons were made by log rank test. A multivariate analysis of factors influencing survival was carried out using the Cox proportional hazards regression model. Results were expressed as medians and ranges. Comparisons between groups were performed by using the Mann-Whitney Utest and the χ 2 test as appropriate. RESULTS:No difference could be seen in terms of age, sex, underlying disease or degree of portal pressure gradient (PPG) reduction between the ascites and the bleeding group. The PPG significantly decreased from 23.4 ± 5.3 mmHg (VB) vs 22.1 ± 5.5 mmHg (RA) before TIPS to 11.8 ± 4.0 vs 11.7 ± 4.2 after TIPS implantation (P = 0.001 within each group). There was a tendency towards more patients with stage CHILD A in the bleeding group compared to the ascites group (24 vs 6, P = 0.052). The median survival for the ascites group was 29 mo compared to > 60 mo for the bleeding group (P = 0.009). The number of radiological controls for stent patency was 6.3 for bleeders and 3.8 for ascites patients (P = 0.029). Kaplan-Meier calculation indicated that stent occlusion at first control (P = 0.027), ascites prior to TIPS implantation (P = 0.009), CHILD stage (P = 0.013), MELD score (P = 0.001) and those patients not having undergone liver transplantation (P = 0.024) were significant predictors of survival. In the Cox regression model, stent occlusion (P = 0.022), RA (P = 0.043), CHILD stage (P = 0.015) and MELD score (P = 0.004) turned out to be independent prognostic factors of survival. The anticoagulation management (P = 0.097), the porto-systemic pressure gradient (P= 0.460) and rebleeding episodes (P = 0.765) had no significant effect on the overall survival. CONCLUSION:RA, stent occlusion, initial CHILD stage and MELD score are independent predictors of survival in patients with TIPS, speaking for a close follow-up in these circumstances. | Hauke S Heinzow Philipp Lenz Michael Khler Frank Reinecke Hansjrg Ullerich Wolfram Domschke Dirk Domagk Tobias Meister | 2012 | World Journal of Gastroenterology2012，18，37： | 17 |
| 7 | Differential regulation of JAK/STAT-signaling in patients with ulcerative colitis and Crohn’s disease显示文摘In 2018,the pan-Janus kinase(JAK)inhibitor tofacitinib was launched for the treatment of ulcerative colitis(UC).Although tofacitinib has proven efficacious in patients with active UC,it failed in patients with Crohn’s disease(CD).This finding strongly hints at a different contribution of JAK signaling in both entities.Here,we review the current knowledge on the interplay between the JAK/signal transducer and activator of transcription(STAT)pathway and inflammatory bowel diseases(IBD).In particular,we provide a detailed overview of the differences and similarities of JAK/STAT-signaling in UC and CD,highlight the impact of the JAK/STAT pathway in experimental colitis models and summarize the published evidence on JAK/STAT-signaling in immune cells of IBD as well as the genetic association between the JAK/STAT pathway and IBD.Finally,we describe novel treatment strategies targeting JAK/STAT inhibition in UC and CD and comment on the limitations and challenges of the new drug class. | Friederike Cordes Dirk Foell John Nik Ding Georg Varga Dominik Bettenworth | 2020 | World Journal of Gastroenterology2020，26，28： | 16 |
| 8 | 高危型HPVE6/E7 mRNA原位杂交对102例宫颈、外阴、肛周及头颈部肿瘤PCR、DNA原位杂交和p16免疫组化染色结果的验证(英)显示文摘调节致癌蛋白E6/E7异常表达在人乳头状瘤病毒的致癌过程中具有一定作用。HPV E6/E7 mRNA原位杂交(RISH)检测包括18种常见高危类型(HR-RISH/HR-HPV RNA 18 ISH),在肛门与生殖器肿瘤中尚未得到广泛的研究。作者对HPV相关肛门与生殖器及头颈部肿瘤中,PCR、P16免疫组化染色和HPV DNA原位杂交检测结果与HR-RISH结果进行比较。共搜集102例病理结果异常病例,其中宫颈鳞状上皮内病变(16 CIN1,25 CIN3,3 AIN1,12 AIN3,9 VIN3)及浸润性鳞状细胞癌(17宫颈癌,2外阴肿瘤,18头颈部肿瘤)及10例病理结果为正常宫颈和15例宫颈慢性炎症(对照组)。 | Mills AM Dirks DC Poulter MD 曹琪(译) 张建中(校) | 2017 | 诊断病理学杂志2017，24，11： | 16 |
| 9 | Results of percutaneous sclerotherapy and surgical treatment in patients with symptomatic simple liver cysts and polycystic liver disease显示文摘AIM: To evaluate the results of the treatment of simple liver cysts (solitary and multiple) and polycystic liver disease (PLD) using percutaneous sclerotherapy and/or surgical procedures in a single tertiary referral centre. METHODS: Retrospective analysis of 54 patients referred for evaluation and possible treatment of simple liver cysts (solitary and multiple) and PLD, from January 1997 to July 2006. RESULTS: Simple liver cysts were treated in 41 pts (76/) with a mean size of 12.6 cm. The most common reason for referral was abdominal pain or discomfort (85/). Percutaneous sclerotherapy was performed as initial treatment in 30 pts, showing cyst recurrence in 6 pts (20/). Surgical treatment was initially performed in 11 pts with cyst recurrence in 3 pts (27/). PLD was treated in 13 pts (24/) with a mean size of the dominant cyst of 13 cm. Percutaneous sclerotherapy for PLD was performed in 9 pts with recurrence in 7 pts (77.8/). Surgical treatment for PLD was undertaken in 4 pts (30.8/) with recurrence in all. Eventually, 2 pts with PLD in the presence of polycystic kidney disease underwent liver-and kidney transplantation because of deterioration of liver and kidney function. CONCLUSION: The majority of patients with simple liver cysts and PLD are referred for progressive abdominal pain. As initial treatment, percutaneous sclerotherapy is appropriate. Surgical deroofing is indicated in caseof cyst recurrence after percutaneous sclerotherapy. However, the results of percutaneous sclerotherapy and surgical treatment for PLD are disappointing. Partial liver resection is indicated when there is suspicion of a pre-malignant lesion. | Deha Erdogan Otto M van Delden Erik AJ Rauws Olivier RC Busch Johan S Lameris Dirk J Gouma Thomas M van Gulik | 2007 | World Journal of Gastroenterology2007，13，22： | 15 |
| 10 | HCV-specific cytokine induction in monocytes of patients with different outcomes of hepatitis C显示文摘AIM:Cytokine release by macrophages critically determines the type of immune response to an antigen Therefore.we studied hepatitis C virus (HCV0-Specific induction of interleukins-1β,-10,-12(IL-1β,il-10,IL-12),and tumor necrosis factor-α(TNF-α) in monocytes.METHODS:Intracellular cytokine expression was studied by flow cytometry in 23 patients with chronic hepatitis C,14 anti-HCV seropositives without viremia and 11 controls after stimulation of peripheral blood mononuclear cells with recombinant core,NS3,NS4 NS5a and NS5b proteins .RESULTS:Patients with HCV viremia revealed greater spontaneous exprssion of IL-1β,TNF-α,and IL-10,Furthermore,greater than twofold higher IL-10 epression was induced by the HCV antigens in chronic hepatitis C than in the other two groups (P<0.05) In contrast,neither IL-12 noir TNF-α was induced preferentially.CONCLUSION:In chonic hepatitis C antigen-specific cytokine induction in monocytes is apparently shifted towards predominant IL-10 induction-not counterbalanced by antiviral type 1 cytokines,This may contribute to persistent viral replication. | Rainer P.Woitas Uwe Petersen Dirk Moshage Hans H.Brackmann Bertfried Matz Tilman Sauerbruch Ulrich Spengler | 2002 | World Journal of Gastroenterology2002，8，3： | 15 |
| 11 | 用于发电中心大规模电力输送的气体绝缘输电线路显示文摘在大型(巨型)城市中,用电负荷持续增长,有些城市中心的用电负荷甚至超过了每年10%的增长率,但城市内的可用空间却在持续减少。这种巨型城市的供电可靠性依赖于连接到负荷中心的大功率传输的可能性。根据巨型城市的规模,地下输电的传输距离已达到10km或20km,甚至更长,将会是未来常用的供电方式。气体绝缘输电线路(GIL)提供了满足大功率及地下安装需求的解决方案。这种方式在世界范围内的应用已有30多年的历史。尤其是GIL提供了针对'最后一英里'的解决方案,即发电厂高压开关装置与架空出线之间的连接。这种连接虽然比较短,但经常具有其他传输技术不能满足的特定要求,最严格的要求通常是传输电流达到4000A,而采用架空线路几乎是不可能实现的。GIL还广泛用于跨国界输电和可再生能源电力的向外输送,是一种经过实践验证的、经济、可靠的解决方案。 | Dirk Kunze Volker Knierim 王学刚 | 2007 | 中国电力2007，40，9： | 14 |
| 12 | 个性化舌侧矫治技术的特点及其临床应用显示文摘舌侧正畸自二十世纪七十年代问世以来,现已发展成为一种系统的、成熟的固定矫治技术。由于舌侧正畸隐形、美观的矫治效果,深受患者,尤其是对矫治美观性要求较高的成人患者的热烈欢迎。但是,由于舌侧矫治技术独特的力学机制,临床操作的复杂性以及患者具有较强的不适感等不利因素,妨碍了舌侧正畸的推广和普及。多年来,广大的舌侧正畸学者们一直致力于舌侧正畸系统的改良,以期能提供一种患者感觉更加舒适、医师操作更简单,临床疗效更好的舌侧矫治系统。 | 丁云 徐宝华 Dirk Wiechmann | 2007 | 口腔正畸学2007，14，3： | 14 |
| 13 | 藏毛窦发病率和远期复发率现况及其影响因素分析显示文摘目的调查德国部队中藏毛窦的发病率和术后远期复发率的现状及其发展变化趋势,分析不同手术治疗方法、体格状况和吸烟量等因素对藏毛窦的发病率和术后远期复发率的影响。方法对德国三家部队医院1980至1996年收治的所有藏毛窦患者的资料进行统计,随机抽取其中500例患者进行随访。结果德国部队中藏毛窦的发病率由1985年的0.3/1000上升到2007年的2.4/1000。随机抽取的500例患者中2例死亡,498例接受了随访。其术后复发率从1981年的33%,到1986年的23%,再到1996年的12%,呈明显下降趋势(P=0.01)。藏毛窦切除后行开放愈合的复发率为16.8%,显著低于行一期缝合的复发率31.0%(P〈0.01)。部队中人均体质量每十年增加1kg,德国国民人均体质量每十年增加1.9kg,但是体质量的增加与藏毛窦复发率之间无显著相关性(P=0.72)。每天吸烟20支以上者藏毛窦的复发率比吸烟≤20支者显著升高(P=0.015)。结论在藏毛窦的术后复发率下降,特别是切除后开放愈合的术后复发率下降的同时,藏毛窦的发病率上升了近十倍。 | Theo Evers Dietrich Doll Edouard Matevossian Sebastian Noe Konrad Neumann 李挥力 Norbert Huser Rainer Ludde Sebastian Hoffmann Bjorn Dirk Krapohl | 2011 | 中华外科杂志2011，49，9： | 14 |
| 14 | Anticancer immunotherapy by CTLA-4 blockade: obligatory contribution of IL-2 receptors and negative prognostic impact of soluble CD25显示文摘堵住抗体 ipilimumab 的细胞毒素的 T 淋巴细胞 antigen-4 (CTLA-4 ) 在很少的病人导致变形黑瘤的调停免疫者的长期的控制。尽管 ipilimumab 无疑经由 immunostimulation 施加它的治疗学的效果,这样远的临床上有用的、 immunologically 相关的 biomarkers 预言治疗效率是逃犯的。这里,我们显示出 IL-2 的那中立化或堵住 α并且 βIL-2 受体的子单元(CD25 和 CD122,分别地) 否则在现出症状之前的潜的老鼠模型由 CTLA-4 封锁导致了,废除了 antitumor 效果和 intratumoral T 受动器对规章的房间(Tregs ) 的比率的伴随的改进,它是。CTLA-4 封锁导致了在失去了 FoxP3 表示并且在 regressing 肿瘤积累了的 IL-2-producing 受动器房间与伴随物上升表示 Lag3, ICOS, IL-10 和 Egr2 的一个镇压 CD4 + T 房间子集的减小。当 recombinant IL-2 改进了 CTLA-4 封锁的治疗学的功效时,圈套 IL-2 受体 α(IL-2Rα, sCD25 ) 禁止了 CTLA-4 的 anticancer 效果封锁。在收到 ipilimumab 的 262 个变形黑瘤病人, sCD25 的基线浆液集中代表了全面幸存的独立指示物,与预言到治疗的抵抗的高水平。总的来说,这些结果解开为在 CTLA-4 的 anticancer 活动的 IL-2 和 IL-2 受体的一个角色封锁。重要地,我们的学习提供第一 immunologically 相关的 biomarker,也就是提高的浆液 sCD25,那与黑瘤在病人预言抵抗到 CTLA-4 封锁。 | Dalil Hannani Marie Vetizou David Enot Sylvie Rusakiewicz Nathalie Chaput David Klatzmann Melanie Desbois Nicolas Jacquelot Nadege Vimond Salem Chouaib Christine Mateus James P Allison Antoni Ribas Jedd D Wolchok Jianda Yuan Philip Wong Michael Postow Andrzej Mackiewicz Jacek Mackiewicz Dirk Schadendorff Dirk Jaeger Alan J Korman Keith Bahjat Michele Maio Luana Calabro Michele WL Teng Mark J Smyth Alexander Eggennont Caroline Robert Guido Kroemer Laurence Zitvogel | 2015 | Cell Research2015，25，2： | 14 |
| 15 | Impact of crystalline and amorphous iron-and aluminum hydroxides on mechanisms of phosphate adsorption and desorption显示文摘Fourier-transform infrared(FT-IR) spectroscopic experiments were carried out during phosphate adsorption on highly crystalline gibbsite, poorly crystalline 2-line-ferrihydrite and amorphous iron–aluminum–hydroxide mixtures in the molar ratio 1:0, 10:1, 5:1, 1:1, 1:5, 1:10 and 0:1. The OH stretching vibrational bands were utilized to analyze changes in structural and surface OH groups during adsorption, because the position of characteristic P\O vibrational bands can shift depending on reaction conditions, pH or adsorbed phosphate content.Adsorption and desorption kinetics were studied at pH6 and different initial phosphate concentrations to achieve varying phosphate coverage on the mineral surfaces. For gibbsite the formation of AlHPO_4 and Al_2HPO_4 can be assumed, while for ferrihydrite, a FeHPO_4 or Fe_2PO_4 complex and the precipitation of FePO_4 with longer equilibration time were proposed.Fe_2HPO_4 or a Fe_2PO_4 surface complex was deduced for Fe-hydroxides, an AlH_2PO_4 surface complex was identified for Al-hydroxide, and both displayed either hydrogen bonds to neighboring hydroxyl groups or hydrogen bonds to outer-sphere complexes. Fe:Al-hydroxide mixtures with high Al ratios showed a low phosphate desorption rate, while ferrihydrite and the Fe:Al-hydroxide mixtures with high Fe ratios had almost negligible desorption rates. It was concluded that within the weakly associated amorphous FeO(OH) materials, FePO_4 precipitated, which was bound by outer-sphere hydrogen bonds. With high Al ratios, desorption increased, which indicated weaker phosphate binding of both inner-sphere and outer-sphere complexes and hence, either no or minor quantities of precipitate. Ferrihydrite showed a more rigid structure and a lower extent of precipitation compared to amorphous Fe-hydroxide. | Stella Gypser Florian Hirsch Anja M.Schleicher Dirk Freese | 2018 | Journal of Environmental Sciences2018，30，8： | 14 |
| 16 | Comparative analysis of ERCP,IDUS,EUS and CT in predicting malignant bile duct strictures显示文摘AIM:To compare endoscopic retrograde cholangio-pancreatography(ERCP),intraductal ultrasound(IDUS),endosonography(EUS),endoscopic transpapillary forceps biopsies(ETP)and computed tomography(CT)with respect to diagnosing malignant bile duct strictures.METHODS:A patient cohort with bile duct strictures of unknown etiology was examined by ERCP and IDUS,ETP,EUS,and CT.The sensitivity,specificity,and accuracy rates of the diagnostic procedures were calculated based on the definite diagnoses proved by histopathology or long-term follow-up in those patients who did not undergo surgery.For each of the diagnostic measures,the sensitivity,specificity,and accuracy rates were calculated.In all cases,the gold standard was the histopathologic staging of specimens or long-term follow-up of at least 12 mo.A comparison of the accuracy rates between the localization of strictures was performed by using the Mann-Whitney U-test and theχ2test as appropriate.A comparison of the accuracy rates between the diagnostic procedures was performed by using the McNemar’s test.Differences were considered statistically significant if P<0.05.RESULTS:A total of 234 patients(127 males,107 females,median age 64,range 20-90 years)with indeterminate bile duct strictures were included.A total of 161patients underwent operative exploration;thus,a surgical histopathological correlation was available for those patients.A total of 113 patients had malignant disease proven by surgery;in 48 patients,benign disease was surgically found.In these patients,the decision for surgical exploration was made due to the suspicion of malignant disease in multimodal diagnostics(ERCP,CT,or EUS).Fifty patients had a benign diagnosis and were followed by a surveillance protocol with a followup of at least 12 mo;the median follow-up was 34 mo.Twenty-three patients had extended malignant disease,and thus were considered palliative.A comparison of the different diagnostic tools for detecting bile duct malignancy resulted in accuracy rates of 91%(ERCP/IDUS),59%(ETP),92%(IDUS+ETP),74%(EUS),and 73%(CT),respectively.In the subgroup analysis,the accuracy rates(%,ERCP+IDUS/ETP/IDUS+ETP;EUS;CT)for each tumor entity were as follows:cholangiocellular carcinoma:92%/74%/92%/70%/79%;pancreatic carcinoma:90%/68%/90%/81%/76%;and ampullary carcinoma:88%/90%/90%/76%/76%.The detection rate of malignancy by ERCP/IDUS was superior to ETP(91%vs 59%,P<0.0001),EUS(91%vs74%,P<0.0001)and CT(91%vs 73%,P<0.0001);EUS was comparable to CT(74%vs 73%,P=0.649).When analyzing accuracy rates with regard to localization of the bile duct stenosis,the accuracy rate of EUS for proximal vs distal stenosis was significantly higher for distal stenosis(79%vs 57%,P<0.0001).CONCLUSION:ERCP/IDUS is superior to EUS and CT in providing accurate diagnoses of bile duct strictures of uncertain etiology.Multimodal diagnostics is recommended. | Hauke S Heinzow Sara Kammerer Carina Rammes Johannes Wessling Dirk Domagk Tobias Meister | 2014 | World Journal of Gastroenterology2014，20，30： | 14 |
| 17 | The GW2-WG1-OsbZIP47 pathway controls grain size and weight in rice显示文摘Regulation of seed size is a key strategy for improving crop yield and is also a basic biological question.However,the molecular mechanisms by which plants determine their seed size remain elusive.Here,we report that the GW2-WG1-OsbZIP47 regulatory module controls grain width and weight in rice.WG1,which encodes a glutaredoxin protein,promotes grain growth by increasing cell proliferation.Interestingly,WG1 interacts with the transcription factor OsbZIP47 and represses its transcriptional activity by associating with the transcriptional co-repressor ASP1,indicating that WG1 may act as an adaptor protein to recruit the transcriptional co-repressor.In contrary,OsbZIP47 restricts grain growth by decreasing cell proliferation.Further studies reveal that the E3 ubiquitin ligase GW2 ubiquitinates WG1 and targets it for degradation.Genetic analyses confirm that GW2,WG1,and OsbZIP47 function in a comm on pathway to control grain growth.Taken together,ourfindi ngs reveal a genetic and molecular framework for the control of grain size and weight by the GW2-WG1-OsbZIP47 regulatory module,providing new targets for improving seed size and weight in crops. | Jianqin Hao Dekai Wang Yingbao Wu Ke Huang Penggen Duan Na Li Ran Xu Dali Zeng Guojun Dong Baolan Zhang Limin Zhang Dirk Inze Qian Qian Yunhai Li | 2021 | Molecular Plant2021，14，8： | 14 |
| 18 | Regulation of the water status in three co-occurring phreatophytes at the southern fringe of the Taklamakan Desert显示文摘Aims We investigated the regulation of the water status in three predominant perennial C3 phreatophytes(Alhagi sparsifolia,Populus euphratica,Tamarix ramosissima)at typical sites of their occurrence at the southern fringe of the hyperarid Taklamakan Desert(north-west China).Methods In the foreland of the river oasis of Qira(Cele),we determined meteorological variables,plant biomass production,plant water potentials(WL)and the water flux through the plants.We calculated the hydraulic conductance on the flow path from the soil to the leaves(kSL)and tested the effects of kSL,WL and the leaf-to-air difference in the partial pressure of water vapour(Dw)on stomatal regulation using regression analyses.Important Findings Despite high values of plant water potential at the point of turgor loss,all plants sustained WL at levels that were high enough to maintain transpiration throughout the growing season.In A.sparsifolia,stomatal resistance(rs;related to leaf area or leaf mass)was most closely correlated with kSL;whereas in P.euphratica,~70%of the variation in rs was explained by Dw.In T.ramosissima,leaf area-related rs was significantly correlated with WL and kSL.The regulation mechanisms are in accordance with the growth patterns and the occurrence of the species in relation to their distance to the ground water. | Frank M.Thomas Andrea Foetzki Dirk Gries Helge Bruelheide Xiangyi Li Fanjiang Zeng Ximing Zhang | 2008 | Journal of Plant Ecology2008，1，4： | 13 |
| 19 | Regulation of Seed Vigor by Manipulation of Raffinose Family Oligosaccharides in Maize and Arabidopsis thaliana显示文摘棉白糖家庭 oligosaccharides (RFO ) 在许多植物种类在成熟干燥期间在种子积累。然而, RFO 是否在建立种子活力有一个角色,仍然保持不清楚。GALACTINOL SYNTHASE (GOLS ) ,棉白糖 SYNTHASE (RS ) ,和 STACHYOSE SYNTHASE (圣) 是为 RFO 负责的酶 ? 在植物的生合成。有趣地,仅仅棉白糖在玉米种子被检测,并且唯一的玉米 RS 基因(ZmRS ) 被识别。在这研究,我们发现二独立 mutator (亩) 打断了 zmrs 线,不包含棉白糖但是 hyperaccumulating galactinol, ? 显著地减少了种子活力,与空 segregant 控制相比。不同于玉米, Arabidopsis thaliana 种子包含几 RFO (棉白糖, stachyose,和 verbascose ) 。A 的操作。thaliana RFO ? 由 overexpressing ZmGOLS2, ZmRS,或 AtSTS 的内容表明了那 co-overexpression ZmGOLS2 和 ZmRS,或 ZmGOLS2 的 overexpression 独自一个,显著地增加了 RFO 的全部的内容并且提高了 Arabidopsis 种子活力。令人惊讶地,当 ZmRS 的 overexpression 增加了种子棉白糖内容时,它的 overexpression 戏剧性地减少了种子活力并且减少了 galactinol, stachyose,和 verbascose 的种子数量。相反, atrs5 异种种子类似于关于种子活力和 RFO 内容的野类型的那些,除了 stachyose 它在 atrs5 种子积累了。全部的 RFO, RFO/sucrose 比率,然而并非绝对单个 RFO ? 数量,断然与 A 相关。thaliana 种子活力, stachyose 和 verbascose 多于棉白糖作出贡献到。一起拿,这些结果提供新卓见进种子活力的规章的机制并且在 monocot 和 dicot 在 modulating 种子活力为 RFO 揭示不同要求。 | Tao Li Yumin Zhang Dong Wang Ying Liu Lynnette M.A. Dirk Jack Goodman A. Bruce Downie Jianmin Wang Guoying Wang Tianyong Zhao | 2017 | Molecular Plant2017，10，12： | 13 |
| 20 | 复合材料薄板在低速冲击下的破坏分析:试验和数值方法显示文摘在冲击荷载作用下,复合层压板破坏过程中有很多并发现象,因此,复合层压板的动力性能十分复杂。当采用复合材料结构时,对于接触和较大的位移导致的纤维破坏、分层、模具破裂、塑性变形应给予重视。对碳纤维环氧树脂加固的层压复合薄板进行低速冲击下的研究。采用荷载时间序列、位移时间序列、能量时间序列以及来自NDE的图像,分析叠加系列和能量响应的影响。当层压复合薄板受到低速外来目标的冲击时,由压痕试验结果与动力学的结果比较,验证了迟滞效应。采用希尔模型和ABAQUS软件中由UMAT补充的材料模型,通过有限元分析以模拟压痕试验的破坏机制。 | Volnei Tita Jonas de Carvalho Dirk Vandepitte | 2008 | 钢结构2008，23，9： | 12 |
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