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1Exosomes as therapeutic drug carriers and delivery vehicles across biological membranes:current perspectives and future challenges显示文摘Exosomes are small intracellular membrane-based vesicles with different compositions that are involved in several biological and pathological processes. The exploitation of exosomes as drug delivery vehicles offers important advantages compared to other nanoparticulate drug delivery systems such as liposomes and polymeric nanoparticles; exosomes are non-immunogenic in nature due to similar composition as body's own cells. In this article, the origin and structure of exosomes as well as their biological functions are outlined. We will then focus on specific applications of exosomes as drug delivery systems in pharmaceutical drug development. An overview of the advantages and challenges faced when using exosomes as a pharmaceutical drug delivery vehicles will also be discussed.Dinh Ha Ningning Yang Venkatareddy Nadithe 2016Acta Pharmaceutica Sinica B2016,6,4:104
2Comparison of RECIST version 1.0 and 1.1 in assessment of tumor response by computed tomography in advanced gastric cancer显示文摘Objective:Response Evaluation Criteria in Solid Tumors(RECIST)guideline version 1.0(RECIST 1.0)was proposed as a new guideline for evaluating tumor response and has been widely accepted as a standardized measure.With a number of issues being raised on RECIST 1.0,however,a revised RECIST guideline version 1.1(RECIST 1.1)was proposed by the RECIST Working Group in 2009.This study was conducted to compare CT tumor response based on RECIST 1.1 vs.RECIST 1.0 in patients with advanced gastric cancer(AGC).Methods:We reviewed 61 AGC patients with measurable diseases by RECIST 1.0 who were enrolled in other clinical trials between 2008 and 2010.These patients were retrospectively re-analyzed to determine the concordance between the two response criteria using theκstatistic.Results:The number and sum of tumor diameters of the target lesions by RECIST 1.1 were significantly lower than those by RECIST 1.0(P<0.0001).However,there was excellent agreement in tumor response between RECIST 1.1 and RECIST 1.0(κ=0.844).The overall response rates(ORRs)according to RECIST1.0 and RECIST 1.1 were 32.7%(20/61)and 34.5%(20/58),respectively.One patient with partial response(PR)based on RECIST 1.0 was reclassified as stable disease(SD)by RECIST 1.1.Of two patients with SD by RECIST 1.0,one was downgraded to progressive disease and the other was upgraded to PR by RECIST 1.1.Conclusions:RECIST 1.1 provided almost perfect agreement with RECIST 1.0 in the CT assessment of tumor response of AGC.Gil-Su Jang Min-Jeong Kim Hong-Il Ha Jung Han Kim Hyeong Su Kim Sung Bae Ju Dae Young Zang 2013Chinese Journal of Cancer Research2013,25,6:42
3基于乡村多功能评价的城市边缘区“三生”空间划分研究显示文摘城市边缘区乡村多元价值凸显,迫切需以乡村多功能理论为指导划分'三生'空间,以空间重构促进转型发展。论文首先从生产、生活与生态功能方面评价城市边缘区多功能时空变化;其次进行图斑尺度'三生'空间适宜性评价,两者共同得到基于乡村多功能的'三生'空间适宜性;最后据此设计算法划分'三生'空间。研究发现:①城市边缘区乡村休闲娱乐、观光农业等功能显现,需要重构多功能空间促进转型发展;②江苏徐州市铜山区乡村非农生产与生活功能主要分布在与中心城区较近地区,农业空间主要分布在中心城区远郊外围,生态功能则表现出高度空间异质性,农业、非农生产与生活功能在提升,而生态功能则普遍下降;③县域'三生'空间划定需多尺度联合,既要考虑乡镇尺度多功能差异,还要体现图斑尺度适宜性,才能为空间规划提供有意义的借鉴。论文提出的基于乡村多功能评价的'三生'空间划分可为即将开展的国土空间规划提供科学依据。马晓冬 李鑫 胡睿 KHUONG Manh Ha 2019地理科学进展2019,0,9:48
4Is nasopharyngeal cancer really a “Cantonese cancer”?显示文摘Nasopharyngeal cancer(NPC) is endemic in Southern China,with Guandong province and Hong Kong reporting some of the highest incidences in the world.The journal Science has called it a 'Cantonese cancer'.We propose that in fact NPC is a cancer that originated in the Bai-Yue('proto-Tai-Kadai' or 'proto-Austronesian' or 'proto-Zhuang') peoples and was transmitted to the Han Chinese in southern China through intermarriage.However,the work by John Ho raised the profile of NPC,and because of the high incidence of NPC in Hong Kong and Guangzhou,NPC became known as a Cantonese cancer.We searched historical articles,articles cited in PubMed,Google,monographs,books and Internet articles relating to genetics of the peoples with high populations of NPC.The migration history of these various peoples was extensively researched,and where possible,their genetic fingerprint identified to corroborate with historical accounts.Genetic and anthropological evidence suggest there are a lot of similarities between the Bai-Yue and the aboriginal peoples of Borneo and Northeast India;between Inuit of Greenland,Austronesian Mayalo-Polynesians of Southeast Asia and Polynesians of Oceania,suggesting some common ancestry.Genetic studies also suggest the present Cantonese,Minnans and Hakkas are probably an admixture of northern Han and southern Bai-Yue.All these populations have a high incidence of NPC.Very early contact between southern Chinese and peoples of East Africa and Arabia can also account for the intermediate incidence of NPC in these regions.Joseph Tien Seng Wee Tam Cam Ha Susan Li Er Loong Chao-Nan Qian 2010Chinese Journal of Cancer2010,29,5:37
5Bedside index for severity in acute pancreatitis:comparison with other scoring systems in predicting severity and organ failure显示文摘BACKGROUND:The early identification of severe acute pancreatitis is important for the management and for improving outcomes.The bedside index for severity in acute pancreatitis(BISAP)has been considered as an accurate method for risk stratification in patients with acute pancreatitis.This study aimed to evaluate the comparative usefulness of the BISAP.METHODS:We retrospectively analyzed 303 patients with acute pancreatitis diagnosed at our hospital from March 2007to December 2010.BISAP,APACHE-II,Ranson criteria,and CT severity index(CTSI)of all patients were calculated.We stratified the number of patiants with severe pancreatitis,pancreatic necrosis,and organ failure as well as the number of deaths by BISAP score.We used the area under the receiveroperating curve(AUC)to compare BISAP with other scoring systems,C-reactive protein(CRP),hematocrit,and body mass index(BMI)with regard to prediction of severe acute pancreatitis,necrosis,organ failure,and death.RESULTS:Of the 303 patiants,31(10.2%)were classified as having severe acute pancreatitis.Organ failure occurred in 23(7.6%)patients,pancreatic necrosis in 40(13.2%),and death in6(2.0%).A BISAP score of 2 was a statistically significant cutoff value for the diagnosis of severe acute pancreatitis,organ failure,and mortality.AUCs for BISAP predicting severe pancreatitis and death were 0.80 and 0.86,respectively,which were similar to those for APACHE-II(0.80,0.87)and Ranson criteria(0.74,0.74)and greater than AUCs for CTSI(0.67,0.42).The AUC for organ failure predicted by BISAP,APACHE-II,Ranson criteria,and CTSI was 0.93,0.95,0.84 and 0.57,respectively.AUCs for BISAP predicting severity,organ failure,and death were greater than those for CRP(0.69,0.80,0.72),hematocrit(0.45,0.35,0.14),and BMI(0.41,0.47,0.17).CONCLUSION:The BISAP predicts severity,death,and especially organ failure in acute pancreatitis as well as APACHE-II does and better than Ranson criteria,CTSI,CRP,hematocrit,and BMI.Ji Young Park Tae Joo Jeon Tae Hwan Ha Jin Tae Hwang Dong Hyun Sinn Tae-Hoon Oh Won Chang Shin Won-Choong 2013Hepatobiliary & Pancreatic Diseases International2013,12,6:33
6Heparin improves organ microcirculatory disturbances in caerulein-induced acute pancreatitis in rats显示文摘AIM: Microcirculatory disturbances are important early pathophysiological events in various organs during acute pancreatitis. The aim of the study was to evaluate changes in rnicroperfusion of the pancreas, liver, kidney, stomach,colon, skeletal muscle, and to investigate the influence of heparin on the organ rnicrocirculation in caerulein-induced experimental acute pancreatitis.METHODS: Acute pancreatitis was induced by 4 intraperitoneal injections of caerulein (Cn) (15 μg/kg). The organ microcirculation was measured by laser Doppler flowrnetry. Serum interleukin 6 and hernatocrit levels were analysed.RESULTS: Acute pancreatitis resulted in a significant drop of microperfusion in all examined organs. Heparin administration (2×2.5 mg/kg) improved the rnicrocirculation in pancreas (36.9±4% vs75.9±10%), liver (56.6±6% vs 75.2±16%), kidney (45.1±6% vs79.3±5%), stomach (65.2±8% vs78.1±19%), colon (69.8±6% vs 102.5±19%),and skeletal muscle (59.2±6% vs 77.9±13%). Heparin treatment lowered IL-6 (359.0±66 U/mL vs 288.5±58 U/mL) and hematocrit level (53±4% vs 46±3%).CONCLUSION: Hepadn administration has a positive influence on organ microcirculatory disturbances accompanying experimental Cn-induced acute pancreatitis.Marek Dobosz Lucjanna Mionskowska Stanislaw Ha■ Sebastian Dobrowolski Dariusz Dymecki Zdzislaw Wajda 2004World Journal of Gastroenterology2004,10,17:34
7Changes in Small Intestinal Motility and Related Hormones by Acupuncture Stimulation at Zusanli(ST 36) in Mice显示文摘Objective: To clarify the effects of acupuncture stimulation at Zusanli(ST 36) on the hormonal changes. Methods: Eight-week-old male C57BL/6 mice received acupuncture stimulation at acupoint ST 36 or Quchi(LI 11) once a day for 3 or 5 days in the acupuncture-stimulated groups, but not received in the normal group(n=6 in each group). On day 3 or 5, animals were given 0.1 m L of charcoal orally with a bulbed steel needle, 30 min after the last acupuncture stimulation. Ten minutes later, mice were anesthetized, and the intestinal transit and the concentrations of vasoactive intestinal peptide(VIP), motilin, ghrelin and gastrin in the serum were measured. Results: Compared to no acupuncture stimulation, acupuncture stimulation at ST 36 for 5 days increased the intestinal transit and down-regulated the concentration of VIP and up-regulated the concentrations of motilin, ghrelin and gastrin(P<0.05 or 0.01), whereas acupuncture stimulation at LI 11 did not change them significantly(P>0.05). Conclusion: Acupuncture stimulation at ST 36 for 5 days enhances the small intestinal motility and regulates the secretion of hormones related to small intestinal motility.Jung-Hee Jang Deuk-Joo Lee Chang-Hwan Bae Ki-Tae Ha Sunoh Kwon Hi-Joon Park Dae-Hyun Hahm Hyejung Lee Seungtae Kim 2017Chinese Journal of Integrative Medicine2017,23,3:29
8脱甲基硫酸盐木质素代替酚在木材粘合剂中的应用显示文摘硫酸盐木质素经脱甲基增加了与甲醛反应的活性,且因在木质素结构中形成了邻苯二酚结构,其反应性能较苯酚更活泼。溶于碱溶液的脱甲基木质素与甲醛一起直接加入粘合剂中,热压时,不增加热压时间。有可能以脱甲基木质素完全取代酚并得到满意的胶合板粘合剂,脱甲基木质素的生产成本约为苯酚的一半。安鑫南 Schr.,HA 1995林产化学与工业1995,15,3:25
9The Late Mesozoic Orogenic Processes of Mongolia-Okhotsk Orogen: Evidence from Field Investigations into Deformation of the Mohe Area, NE China显示文摘Based on field investigation in 1999, two deformational domains with d ifferent dynamics have been distinguished from the Jurassic geological outcrops in the Mohe area of NE China, i.e. northern ductile and southern plastic-brittl e ones. Their deformational features are stated in this paper. And then, three st ages of structural deformation of the area relative to the late Mesozoic orogeni c processes of Mongolian-Okhotsk orogen are reconstructed as follows, (1) south w ards thrusting in the middle-late Jurassic, (2) eastwards thrusting and strike -s lipping parallel to the orogen in the late Jurassic, and (3) southeastwards thru sting in the early Cretaceous.Li Jinyi, He Zhengjun, Mo Shenguo and (Institute of Geology, CAGS, Beijing 100037, China) Zheng Qingdao (Heilongjiang Bureau of Exploration and Exploitation of Geology and M ineral Resources, Ha’erbin 150036, China) 1999Global Geology1999,4,2:26
10Endoscopic removal of gastric ectopic pancreas:An initial experience with endoscopic submucosal dissection显示文摘AIM:To evaluate the therapeutic usefulness and safety of endoscopic resection in patients with gastric ectopic pancreas.METHODS:A total of eight patients with ectopic pancreas were included.All of them underwent endoscopic ultrasonography before endoscopic resection.Endo-scopic resection was performed by two methods:endo-scopic mucosal resection(EMR)by the injection-and-cut technique or endoscopic mucosal dissection(ESD).RESULTS:We planned to perform EMR in all eight cases but EMR was successful in only four cases.In the other four cases,saline spread into surrounding normal tissues and the lesions becameattened,which made it impossible to remove them by EMR.Inthose four cases,we performed ESD and removed the lesions without any complications.CONCLUSION:If conventional EMR is difficult to remove gastric ectopic pancreas,ESD is a feasible alternative method for successful removal.Dong Yup Ryu Gwang Ha Kim Do Youn Park Bong Eun Lee Jae Hoon Cheong Dong Uk Kim Hyun Young Woo Jeong Heo Geun Am Song 2010World Journal of Gastroenterology2010,16,36:24
11Facile Synthesis of Porous Carbon Nitride Spheres with Hierarchical Three-Dimensional Mesostructures for CO_(2) Capture显示文摘Porous carbon nitride(CN)spheres with partially crystalline frameworks have been successfully synthesized via a nanocasting approach by using spherical mesoporous cellular silica foams(MCFs)as a hard template,and ethylenediamine and carbon tetrachloride as precursors.The resulting spherical CN materials have uniform diameters of ca.4μm,hierarchical three-dimensional(3-D)mesostructures with small and large mesopores with pore diameters centered at ca.4.0 and 43 nm,respectively,a relatively high BET surface area of~550 m^(2)/g,and a pore volume of 0.90 cm^(3)/g.High-resolution transmission electron microscope(HRTEM)images,wide-angle X-ray diffraction(XRD)patterns,and Raman spectra demonstrate that the porous CN material has a partly graphitized structure.In addition,elemental analyses,X-ray photoelectron spectra(XPS),Fourier transform infrared spectra(FT-IR),and CO_(2) temperature-programmed desorption(CO_(2)-TPD)show that the material has a high nitrogen content(17.8 wt%)with nitrogen-containing groups and abundant basic sites.The hierarchical porous CN spheres have excellent CO_(2) capture properties with a capacity of 2.90 mmol/g at 25℃and 0.97 mmol/g at 75℃,superior to those of the pure carbon materials with analogous mesostructures.This can be mainly attributed to the abundant nitrogen-containing basic groups,hierarchical mesostructure,relatively high BET surface area and stable framework.Furthermore,the presence of a large number of micropores and small mesopores also enhance the CO_(2) capture performance,owing to the capillary condensation effect.Qiang Li Jianping Yang Dan Feng Zhangxiong Wu Qingling Wu Sung Soo Park Chang-Sik Ha Dongyuan Zhao 2010Nano Research2010,3,9:24
12城市绿地空间供需评价与布局优化——以徐州中心城区为例显示文摘以徐州市为例,基于0.25 m空间分辨率的Google影像与网络爬虫技术获取空间绿地与居住小区人口;采用两步移动搜索法评价小区尺度的绿地供给情况,结合相关标准分析其空间供需状况;为最大限度减少绿地供给不达标小区数量,用空间启发式算法搜索合适的低效工业地块转换为绿地得到优化的绿地布局。研究发现:徐州中心城区绿地供需存在空间不公平,39%的小区绿地供给小于20.1 m2的需求标准,供给饱和区主要在云龙湖与泉山森林公园片区,不足区则主要在老城与金山桥片区;绿地空间配置应与人口空间分布保持一致,因此要在高层住宅集聚区配置大中型公园绿地;在空间上选取合适数量与位置的低效工业地块转换为绿地,转换431hm2的工业地块可使绿地不达标小区数目减少37个,而得到优化的绿地空间布局。李鑫 马晓冬 薛小同 Khuong Manh Ha 2019地理科学2019,39,11:23
13计及需求价格弹性的区域能源中心建模与日前优化调度显示文摘能源市场管制放松的背景下,将能源价格作为一种可控资源,有望进一步推进区域能源中心(DEC)内电、气、冷/热等多种能源的优化运行。文中以能量枢纽为基础模型,提出了DEC功率平衡方程的通用线性化建模方法;同时,计及能源需求的价格弹性,对其进行分段线性化建模,并引入0-1变量及线性约束将分段线性函数的描述统一化。进一步,以DEC净收益最大化为目标,计及能源价格可控性,建立了DEC日前优化调度的混合整数二次规划模型,通过GAMS调用CPLEX进行求解。最后,以微网型DEC为例,验证了所提建模方法的有效性,分析了能源价格是否参与调控、不同价格弹性及新能源预测误差对调度结果的影响。结果表明,充分利用负荷的价格弹性,在最大化DEC净收益之余,有利于减小负荷方差和峰谷差,深度挖掘DEC的优化潜力。陈泽兴 张勇军 许志恒 蔡泽祥 Thanhtung HA 2018电力系统自动化2018,42,12:21
14Effect of pronase as mucolytic agent on imaging quality of magnifying endoscopy显示文摘AIM:To investigate the efficacy of premedication with pronase,a proteolytic enzyme,in improving imagequality during magnifying endoscopy.METHODS:The study was of a blinded,randomized,prospective design.Patients were assigned to groups administered oral premedication of either pronase and simethicone(Group A)or simethicone alone(Group B).First,the gastric mucosal visibility grade(1-4)was determined during conventional endoscopy,and then a magnifying endoscopic examination was conducted.The quality of images obtained by magnifying endoscopy at the stomach and the esophagus was scored from1 to 3,with a lower score indicating better visibility.The endoscopist used water flushes as needed to obtain satisfactory magnifying endoscopic views.The main study outcomes were the visibility scores during magnifying endoscopy and the number of water flushes.RESULTS:A total of 144 patients were enrolled,and data from 143 patients(M:F=90:53,mean age 57.5 years)were analyzed.The visibility score was significantly higher in the stomach following premedication with pronase(73%with a score of 1 in Group A vs 49%in Group B,P<0.05),but there was no difference in the esophagus visibility scores(67%with a score of 1in Group A vs 58%in Group B).Fewer water flushes[mean 0.7±0.9 times(range:0-3 times)in Group A vs 1.9±1.5 times(range:0-6 times)in Group B,P<0.05]in the pronase premedication group did not affect the endoscopic procedure times[mean 766 s(range:647-866 s)for Group A vs 760 s(range:678-854 s)for Group B,P=0.88].The total gastric mucosal visibility score was also lower in Group A(4.9±1.5 vs 8.3±1.8in Group B,P<0.01).CONCLUSION:The addition of pronase to simethicone premedication resulted in clearer images during magnifying endoscopy and reduced the need for water flushes.Gwang Ha Kim Yu Kyung Cho Jae Myung Cha Sun-Young Lee Il-Kwun Chung 2015World Journal of Gastroenterology2015,21,8:21
15反式脂肪酸检测方法研究与应用显示文摘研究了甲醇钠-甲醇、氢氧化钾-甲醇、浓硫酸-甲醇和三氟化硼-甲醇4种甲酯化试剂的浓度、用量及甲酯化时间和温度对反式脂肪酸检测的影响,优化了色谱条件,建立了以三氟化硼-甲醇法甲酯化,RT-2560(100m×0.25mm×0.2μm)毛细管柱为基础的反式脂肪酸气相色谱检测方法,C18:1—9t,C18:1—11t,C18:2—9t,12t和C22:1—13t 4种反式脂肪酸的最小检出浓度在0.77—4.08mg/kg之间。4种反式脂肪酸不同添标浓度回收率为98.44%-101.23%,重复测定的相对标准差在0.22%-1.31%之间,有较好的准确度和重现性。应用该方法检测了武汉部分小型市场散装食用植物油和-些餐馆的废弃油脂,以所含脂肪为基准,其反式脂肪酸含量分别为:0.12%-0.25%、3.63%-6.58%。表明天然食用植物油中反式脂肪酸含量较低,但油脂在高温加工过程中会产生反式脂肪酸。李培武 谢立华 魏丽芳 Jaeho HA 丁小霞 张文 姜俊 唐晓倩 2009中国油料作物学报2009,31,3:20
16Anthropogenic Impact on Surface Water Quality in Taihu Lake Region,China显示文摘Taihu Lake region is one of the most industrialized areas in China, and the surface water is progressively susceptible to anthropogenic pollution. The physicochemical parameters of surface water quality were determined at 20 sampling sites in Taihu Lake region, China in spring, summer, autumn, and winter seasons of 2005-2006 to assess the effect of human activities on the surface water quality. Principal component analysis (PCA) and cluster analysis (CA) were used to identify characteristics of the water quality in the studied water bodies. PCA extracted the first three principal components (PCs), explaining 80.84% of the total variance of the raw data. Especially, PC1 (38.91%) was associated with NH 4 -N, total N, soluble reactive phosphorus, and total P. PC2 (22.70%) was characterized by NO 3 -N and temperature. PC3 (19.23%) was mainly associated with pH and dissolved organic carbon. CA showed that streams were influenced by urban residential subsistence and livestock farming contributed significantly to PC1 throughout the year. The streams influenced by farmland runoff contributed most to PC2 in spring and winter compared with other streams. PC3 was affected mainly by aquiculture in spring, rural residential subsistence in summer, and livestock farming in fall and winter seasons. Further analyses showed that farmlands contributed significantly to nitrogen pollution of Taihu Lake, while urban residential subsistence and livestock farming also polluted water quality of Taihu Lake in rainy season. The results would be helpful for the authorities to take sound actions for an effective management of water quality in Taihu Lake region.XU Ha YANG Lin-Zhang ZHAO Geng-Mao JIAO Jia-Guo YIN Shi-Xue LIU Zhao-Pu 2009Pedosphere2009,19,6:20
17History and possible mechanisms of prehistoric human migration to the Tibetan Plateau显示文摘Prehistoric human history on the Tibetan Plateau is a hotly debated topic. Archaeological research on the plateau during the past few decades has enormously improved our understanding of the topic and makes it possible for us to consider the processes and mechanisms of prehistoric human migration to the region. By reviewing the published archaeological research on the Tibetan Plateau, we propose that the first people on the plateau initially spread into the He-Huang region from the Chinese Loess Plateau, and then moved to the low elevation Northeastern Tibetan Plateau and perhaps subsequently to the entire plateau. This process consisted of four stages.(1) During the climatic amelioration of the Last Deglacial period(15–11.6 ka BP), Upper Paleolithic hunter-gatherers with a developed microlithic technology first spread into the Northeastern Tibetan Plateau.(2) In the early-mid Holocene(11.6–6 ka BP), Epipaleolithic microlithic hunter-gatherers were widely distributed on the northeastern plateau and spread southwards to the interior plateau, possibly with millet agriculture developed in the neighboring low elevation regions.(3) In the mid-late Holocene(6–4 ka BP), Neolithic millet farmers spread into low elevation river valleys in the northeastern and southeastern plateau areas.(4) In the late Holocene(4–2.3 ka BP), Bronze Age barley and wheat farmers further settled on the high elevation regions of the Tibetan Plateau, especially after 3.6 ka BP. Finally, we suggest that all of the reported Paleolithic sites earlier than the LGM on the Tibetan Plateau need further examination.ZHANG DongJu DONG GuangHui WANG Hui REN XiaoYan HA PiPu'u QIANG MingRui CHEN FaHui 2016Science China Earth Sciences2016,59,9:20
18灯盏花中两个新化合物的分离和鉴定显示文摘目的 探索菊科植物灯盏花 Erigeron breviscapus的化学成分。方法 采用各种色谱分离技术 ,理化常数和光谱分析鉴定了化合物的结构。结果 从灯盏花的乙醇提取物中分得了 2个化合物 ,经光谱学分析鉴定它们的结构分别为 :1-羟基 - 2 ,3 ,5 -三甲氧基酮 ( 1- hydroxy- 2 ,3 ,5 - trim ethoxy xanthone, ) ,1- ( 2′-γ-吡喃酮 ) - 6-咖啡酰基 -α- D-吡喃葡萄糖苷 ( 1- 2′- γ- pyranone) - 6- caffeoyl- α- D- pyranoglucose, )。结论 化合物 , 为新化合物。化合物 对 TNF-α诱导的内皮细胞粘附有一定的抑制作用。提示它对缺血再灌注损伤有保护作用。张卫东 陈万生 王永红 刘文庸 孔德云 李惠庭 HA Thi Bang Tam 2001中草药2001,32,7:19
19Treatment strategies using adefovir dipivoxil for individuals with lamivudine-resistant chronic hepatitis B显示文摘AIM:To investigate retrospectively the long-term efficacy of various treatment strategies using adefovir dipivoxil(adefovir) in patients with lamivudine-resistant chronic hepatitis B.METHODS:We included 154 consecutive patients in two treatment groups:the 'add-on' group(n = 79),in which adefovir was added to ongoing lamivudine treatment due to lamivudine resistance,and the 'switch/combination' group(n = 75),in which lamivudine was first switched to adefovir and then re-added later as needed.The 'switch/combination' group was then divided into two subgroups depending on whether participants followed(group A,n = 30) or violated(group B,n = 45) a proposed treatment strategy that determined whether to add lamivudine based on the serum hepatitis B virus(HBV) DNA levels(< 60 IU/mL or not) after 6 mo of treatment(roadmap concept).RESULTS:The cumulative probability of virologic response(HBV DNA < 60 IU/mL) was higher in group A than in the 'add-on' group and in group B(P < 0.001).In contrast,the cumulative probability of virologic breakthrough was lower in the 'add-on' group than in group B(P = 0.002).Furthermore,the risk of virologic breakthrough in the multivariate analysis was significantly lower in the 'add-on' group than in group A(hazard ratio = 0.096;95%CI,0.015-0.629;P = 0.015).CONCLUSION:The selective combination of adefovir with lamivudine based upon early treatment responses increased the odds of virologic breakthrough relative to the use of uniform combination therapy from the beginning of treatment.Tae Jung Yun Jin Yong Jung Chang Ha Kim Soon Ho Um Hyonggin An Yeon Seok Seo Jin Dong Kim Hyung Joon Yim Bora Keum Yong Sik Kim Yoon Tae Jeen Hong Sik Lee Hoon Jai Chun Chang Duck Kim Ho Sang Ryu 2012World Journal of Gastroenterology2012,18,47:19
20Surgical management of esophagogastric junction tumors显示文摘Burkhard HA von Rahden Hubert J Stein J Rüdiger Siewert 2006World Journal of Gastroenterology2006,12,41:18
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