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    题名 作者 年代 出处 被引量
1Antihepatoma effect of alpha-fetoprotein antisense phosphorothioate oligodeoxyribonucleotides in vitro and in mice显示文摘AIM To evaluate antihepatoma effect ofantisense phosphorothioate oligodeo-xyribonucleotides (S-ODNs) targeted to alpha-fetoprotein (AFP) genes in vitro and in nudemice.METHODS AFP gene expression was examinedby immunocytochemical method or enzyme-linked immunosorbent assay. Effect of S-ODNson SMMC-7721 human hepatoma cell growth invitro was determined using microculturetetrazolium assay. In vivo antitumor activitiesof S-ODNs were monitored by measuring tumorweight differences in treated and control micebearing SMMC-7721 xenografts. Induction of cellapoptosis was evaluated by fluorescence-activated cell sorter (FACS) analysis.RESULTS Antisense S-ODN treatment led toreduced AFP gene expression. Specificantisense S-ODNs, but not control S-ODNs,inhibited the growth of heaptoma cells in vitro.In vivo. only antisense S-ODNs exhibitedobvious antitumor activities. FACS analysisrevealed that the growth inhibition by antisenseS. ODNs was associated with their cell apoptosisinduction.CONCLUSION Antisense S-ODNs targeted toAFP genes inhibit the growth of human hepatomacells and solid hepatoma, which is related totheir cell apoptosis induction.Xing Wang Wang~1 Jin Hui Yuan~1 Ru Gang Zhang~1 Li Xia Guo~1 Yong Xie~2 Hong Xie~1 ~1Department of Biotherapy,Shanghai Institute of Cell Biology,Chinese Academy of Sciences,Shanghai 200031,China ~2Department of Biology,Hong Kong University of Science and Technology,ChinaDr.Xing Wang Wang earned Ph.D.from Shanghai Institute of Materia Medical,Chinese Academy of Sciences in 1997.Now a professor at Shanghai Institute of Cell Biology,Chinese Academy of Sciences. 2001World Journal of Gastroenterology2001,7,3:21
2Effects of aminoguanidine on nitric oxide production induced by inflammatory cytokines and endotoxin in cultured rat hepatocytes显示文摘AIM To study the effects of aminoguanidine(AG) and two L-arginine analogues Nω-nitro-L-arginine methyl ester (L-NAME) and Nω-nitro-L-arginine (L-NNA) on nitric oxide (NO) productioninduced by cytokines (TNF-α, IL-11β, and IFN-γ)and bacterial lipopolysaccharide (LPS) mixture(CM) in the cultured rat hepatocytes, andexamine their mechanisms action.METHODS Rat hepatocytes were incubatedwith AG, L-NAME, L-NNA, Actinomycin D (ActD)and dexamethasene in a medium containing CM(LPS plus TNF-α, IL-1β, and IFN-γ) for 24 h. NOproduction in the cultured supernatant wasmeasured with the Griese reaction. IntracellularcGMP level was detected with radioimmunoasey.RESULTS NO production was markedlyblocked by AG and L-NAME in a dose-dependentmanner under inflammatory stimuli conditiontriggered by CM in vitro. The rate of themaximum inhibitory effects of L-NAME (38.9%)was less potent than that obtained with AG(53.7%, P<0.05). There was no significantdifference between the inhibitory effects of AGand two L-arginine analogues on intracellularcGMP accumulation in rat cultured hepatocytes.Non-specific NOS expression inhibitordexamethasone ( DEX ) and iNOS mRNAtranscriptional inhibitor ActD also significantlyinhibited CM-induced NO production. AG(0.1mmol.L-1) and ActD (0.2ng@Lt) wereequipotent in decreasing NO production inducedby inflammatory stimuli in vitro, and botheffects were more potent than that induced bynon-selectivity NOS activity inhibitor L-NAME(0. 1 mmol@ L- 1) under similar stimuli conditions(PGuo Liang Zhang Ye Hong Wang Hui Ling Teng Zhi Bin Lin Department of Pharmacology,School of Basic Medical Sciences,Beijing University,Beijiog 100083,ChinaDr.Guo Liang Zhang graduated from Xinxiang Medical College in 1982,got Ph.D.at Nagoya City University Medical School,Japan in 1994,finished postdoctoral research at Beijing Medical Univcrsity in 1996,now an associate professor of pharmacology,specialized in hepatic pharmacology,having 15 papers published. 2001World Journal of Gastroenterology2001,7,3:20
3Orthotopic transplantation model of human gastrointestinal cancer and detection of micrometastases显示文摘AIM To establish a relevant animal model ofhuman gastrointestinal cancer, which can beused for repetitive investigations, so as toimprove our understanding and management ofcarcinogenesis and cancer metastasis.METHODS Intact tissues of human colorectaland pancreatic cancers were transplanted innude mice. The biological characteristics of theoriginal and the corresponding transplantedtumors were investigated by HE staining, PASstaining and immunostaining. The metastases inthe livers and lungs of nude mice wereinvestigated by immunostaining withbiotinylated mab KL-1 and by RT-PCR using CK20specific primers.RESULTS There were totally 9 of 16 surgicalspecimens growing in nude mice subcutaneouslyand/.or orthotopically (4 of 6 colorectal and 5 of10 pancreatic cancer). Tumor cell content of thespecimens and freezing of tissue specimens areimportant factors influencing the growth oftransplanted tumor. In the group of fresh tumortissues with greater than 50% tumor cellcontent, the success rate of the transplantationwas 100% (3 cases of pancreatic cancer and 3cases of colorectal cancer). The orthotopicallytransplanted tumors resemble the original tumormorphologically and biologically, including TAAexpression such as CEA byimmunohistochemistry, and CEA level in theserum of mice. Ki-67 labeling index and theexpression of TAA especially K-ras, 17-lA andRA-96, are associated with the potential of tumorgrowth in nude mice. Micrometastases in thelungs and livers of tumor bearing mice can bedetected by immunostaining with biotinylatedmab KL-1 and CK20-specific RT-PCR.CONCLUSION An orthotopic transplantationmodel for human colon and pancreatic cancer innude mice has been set up. We have alsoestablished sensitive detection methods withCK-immunohistochemistry and CK20-RT-PCR tostudy xenotransplanted human cancer and itsmetastatic cancer cells in the liver and lung ofnude mice. This study may be helpful inunderstanding the mechanism of cancermetastasis and in developing new diagnosticmethods and therapeutic strategies formetastases including micrometastases.Jun Hui Cui~1 Uwe Krueger~2 Doris Henne-Bruns~2 Bemd Kremer~2 Holger Kalthoff~2 ~1Department of General Surgery,First Affiliated Hospital,College of Medicine,Zhejiang University,Hangzhou 310003,Zhejiang Province,China ~2Department of General Surgery,Christian-Albrechts-University,Kiel,GermanyDr.Jun Hui Cui graduated from Zhejiang Medical University in 1984,earned master degree in 1990,studied in the Surgical Department of Kiel University and worked in the Lab of Molecular Oncology of Kiel University from 1994-1997achieved M.D.from Kiel University.Germany,now associate professor of surgery,specialized in colorectal oncology.Adviser of graduated student for master degree,having 20 publications published in key Chinese or English journals. 2001World Journal of Gastroenterology2001,7,3:19
4Virulence and potential pathogenicity of coccoid Helicobacter pylori induced by antibiotics显示文摘AIM To explore the virulence and the potential pathogenicity of coccoid Helicobacter pylori (H. pylori) transformed from spiral form by exposure to antibiotic.METHODS Three strains of H. pylori, isolated from gastric biopsy specimens of confirmed peptic ulcer, were converted from spiral into coccoid from by exposure to metronidazole.Both spiral and coccoid form of H. pylori were tested for the urease activity, the adherence to Hep-2 cells and the vacuolating cytotoxicity to Hela cells, and the differences of the protein were analysed by SDS-PAGE and Western blot,The mutation of the genes including ureA, ureB,hpaA; vacA and cagA, related with virulence,was detected by means of PCR and PCR-SSCP.RESULTS In the coccoid H. pylori, the urease activity, the adherence to Hep-2 cells and the vacuolating cytotoxicity to Hela cells alldecreased. In strain F44, the rate and index of adherence reduced from 70.0% ± 5.3% to 33% ±5.1% and from 2.6 ±0.4 to 0.96 ±0.3 (P<0.01),respectively. The invasion of coccoid H. pylori into Hep-2 cell could be seen under electronmicroscope. SDS-PAGE showed that the content of the protein with the molecular weight over Mr74 000 decreased, and the hybriditional signal in band Mr 125 000 weakened, while the band Mr 110000 and Mr63000 strengthened in coccoid H. pylori as shown in Western blot. The results of PCR were all positive, and PCR-SSCP indicated that there may exist the point mutation in gene hpaA or vacA.CONCLUSION The virulence and the proteins with molecular weight over Mr74 000 in coccoid H. pylori decrease, but no deletion exists in amplification fragments from ureA, ureB, hpaA,vacA and cagA genes, suggesting that coccoid H. pylori may have potential pathogenicity.Fei Fei She1 Dong Hui Su1 Jian Yin Lin2 Lin Ying Zhou3 1Department of Microbiology, Fujian Medical University. Fuzhou 350004, Fujian Province, China2Department of Molecular Medicine, Fujian Medical University, Fuzhou 350004, Fujian Province, China 3Laboratory of Electron Microscope, Fujian Medical University, Fuzhou 350004. Fujian Province. ChinaFei Fei She. graduated from Fujian Medical University as a postgraduate in 1991, now associate professor of microbiology and immunology, specialized in molecular biology of pathogen, having 15 papers published. 2001World Journal of Gastroenterology2001,7,2:18
5Influence of whole peptidoglycan of bifidobacterium on cytotoxic effectors produced by mouse peritoneal macrophages显示文摘INTRODUCTIONBifidobacteria are physiologically beneficial bacteria which are perdominant in human intestine ,and possess the most important functions .They play an important role in maintaining microbial balance of the intestine .Furthermore , their presence is thought to be an important indication of health of the body [1-4].Whole peptidoglycan ( WPG) is the major component in the cell wall of bifidobacterium ,which is also a biological responsemodifier with nontoxic side dffcets.Li Sheng Wang~1 Hui Ming Zhu~1 Dian Yuan Zhou~2 Yu Lin Wang~1 Wan Dai Zhang~2 ~1Departrnent of Gastroenterology,Shenzhen Municipal People’s Hospital,Jinan University of Medical Sciences,Shenzhen 518020,Guangdong Province,China ~2Chinese PLA Institute of Digestion,the First Military Medical University,Guangzhou 510515,Guangdong Province,ChinaLi Sheng Wang graduated and obtained Ph.D,from the First Military Medical University in 1998,now working at Department of Gastroenterology,Shenzhen Municipal People’s Hospital.Jinan University of Medical Sciences.having 35 papers published. 2001World Journal of Gastroenterology2001,7,3:15
6Pretreated quercetin protects gerbil hippocampal CA1 pyramidal neurons from transient cerebral ischemic injury by increasing the expression of antioxidant enzymes显示文摘Quercetin(QE; 3,5,7,3′,4′-pentahydroxyflavone), a well-known flavonoid, has been shown to prevent against neurodegenerative disorders and ischemic insults. However, few studies are reported regarding the neuroprotective mechanisms of QE after ischemic insults. Therefore, in this study, we investigated the effects of QE on ischemic injury and the expression of antioxidant enzymes in the hippocampal CA1 region of gerbils subjected to 5 minutes of transient cerebral ischemia. QE was pre-treated once daily for 15 days before ischemia. Pretreatment with QE protected hippocampal CA1 pyramidal neurons from ischemic injury, which was confirmed by neuronal nuclear antigen immunohistochemistry and Fluoro-Jade B histofluorescence staining. In addition, pretreatment with QE significantly increased the expression levels of endogenous antioxidant enzymes Cu/Zn superoxide dismutase, Mn superoxide dismutase, catalase and glutathione peroxidase in the hippocampal CA1 pyramidal neurons of animals with ischemic injury. These findings demonstrate that pretreated QE displayed strong neuroprotective effects against transient cerebral ischemia by increasing the expression of antioxidant enzymes.Bai Hui Chen Joon Ha Park Ji Hyeon Ahn Jeong Hwi Cho In Hye Kim Jae Chul Lee Moo-Ho Won Choong-Hyun Lee In Koo Hwang Jong-Dai Kim Il Jun Kang Jun Hwi Cho Bich Na Shin Yang Hee Kim Yun Lyul Lee Seung Min Park 2017Neural Regeneration Research2017,12,2:9
7Optical PPM-CDMA Communication System with Optical Hard Limiter显示文摘An optical PPM CDMA communication system with an optical hard limiter in front of the correlator of a receiver is proposed in order to reduce multi user interference. The performance of the system is evaluated when the effects of both multi user interference and photo detector shot noise are considered. An upper bound on the bit error rate is derived. The comparison of the performance of the above receiver with that of the optical PPM CDMA system without an optical hard limiter is made. Simulation results show that the performance of the system with an optical hard limiter is superior to that of the conventional one.LI Xiao bin,\ ZHAO Xiao hui Biography:\ LI Xiao bin (1966-), female, from Shandong Province, Master degree, interested in the research of OCDMA communications.(Department of Telecommunication Engineering, Jilin University, Changchun 130012, P. R. Chin 2001The Journal of China Universities of Posts and Telecommunications2001,8,1:8
8High expression level of EDIL3 in HCC predicts poor prognosis of HCC patients显示文摘AIM:To determine the role of epidermal growth factor-like repeats and discoidin I-like domains 3(EDIL3)in pathogenesis of hepatocellular carcinoma(HCC)by investigating the EDIL3 expression in HCC and its prognostic value for HCC.METHODS:EDIL3 expression was detected in 101 HCC surgical tissue samples with immunohistochemistry method,and its relation with clinicopathologic features and prognosis of HCC patients was analyzed.RESULTS:EDIL3 was highly expressed in 48.5%of the HCC patients.Although the EDIL3 expression level did not correlate with any clinicopathological parameters,KaplanMeier survival analysis showed that high expression level of EDIL3 resulted in a significantly poor prognosis of HCC patients(log-rank test,P=0.010).Multivariate Cox's analysis showed that the EDIL3 expression level was a significant and independent prognostic parameter for the overall survival rate of HCC patients(hazard ratio=1.978,95%confidence interval =1.139-3.435,P=0.015).CONCLUSION:High expression level of EDIL3 pre-dicts poor prognosis of HCC patients.EDIL3 may be a potential target of antiangiogenic therapy for HCC.Jian-Cong Sun,Xiao-Ting Liang,Ke Pan,Hui Wang,Jing-Jing Zhao,Jian-Jun Li,Hai-Qing Ma,Yi-Bing Chen,Jian-Chuan Xia,State Key Laboratory of Oncology in South China,Cancer Center,Sun Yat-Sen University,Guangzhou 510060,Guangdong Province,China 2010World Journal of Gastroenterology2010,16,36:7
9China's Geo-cultural Strategy显示文摘This paper divides China's geocultural space into global,Asian, and neighboring spheres,explores the major challenges China's geocultural policy faces in each of them,and puts forward options for China's geocultural strategy.It also suggests that the development of China's geoculture should be based on a triple-circled geopolitical pattern, and should adopt a strategy of addressing regional issues first and global issues second.China's priorities should be the building up of its own culture,the consolidation of neighboring geocultural space,promoting the geocultural integration of Asia,becoming more involved in global geocultural interactions,and enhancing China's cultural influence and status.Pan Zhongqi Professor of the School of International Relations and Public Affairs,Fudan University.His research interests are theory of international relations,national security strategy,and China’s place in the international system. Huang Renwei Vice President and a Research Professor of the Shanghai Academy of Social Sciences.His research interests are relations between great powers,national strategy,and international economy. Wang Hui 2008Contemporary International Relations2008,18,2:5
10Mapping forest fire risk zones with spatial data and principal component analysis显示文摘By integrating forest inventory data with remotely sensed data, new data layers for factors that affect forest fire potentials were generated for Baihe Forestry Bureau in Jilin Province of China. The principle component analysis was used to sort out the relationships between forest fire potentials and environmental factors. The classifications of these factors were performed with GIS, generating three maps: a fuel-based fire risk map, a topography-based fire risk map, and an anthropogenic-factor fire risk map. These three maps were then synthesized to generate the final fire risk map. The linear regression method was used to analyze the relationship between an area-weighted value of forest fire risks and the frequency of historical forest fires at each forest farm. The results showed that the most important factor contributing to forest fire ignition was topography, followed by anthropogenic factors.XU Dong, Guofan Shao, DAI Limin, HAO Zhanqing, TANG Lei & WANG Hui Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China Graduate University of Chinese Academy of Sciences, Beijing 100039, China Department of Forestry and Natural Resources, Purdue University, West Lafayette, IN 47907, USA Department of Management, Shenyang Institute of Aeronautical Engineering, Shenyang 110034, China Department of City Development, Jinan University, Jinan 250002, China 2006Science China(Technological Sciences)2006,49,z1:3
11Analysis theory of random energy of train derailment in wind显示文摘Based on the analysis theory of random energy of train derailment, an analysis theory of random energy of train derailment in wind is suggested. Two methods are proposed -the time domain method and the frequency domain method of analysis theory of random energy of train derailment in wind. The curves of σ pw -v under various wind speeds are obtained through the computation. The original curve of σ p -v is expanded, which turns the analysis theory of random energy of train derailment into the all-weather theory. Train derailment condition has been established under wind action. The first and second criterions of train derailment have been proposed in light of wind action. The analysis of train derailment cases at home or abroad is made, in- cluding the first analysis of Xinjiang train derailment case encountered 13-level of gale, which explained the inevitability of train derailment. The analysis theory of random energy of train derailment in wind shows its validity and accuracy. The input energy σ pw of the transverse vibration of train-track(bridge)-wind system is linked to train speed. With the establishment of the analysis theory of random energy of train derailment in wind, It is likely to initiate an all-weather speed limit map for a train or any high-speed train.CHEN RuiLin 1,2,3 , ZENG QingYuan 3 , HUANG YunQing 1 , XIANG Jun 3 , WEN Ying 3 , GUO XiaoGang 2 , YIN ChangJun 2 , DONG Hui 2 & ZHAO Gang 4 1 Hunan Key Laboratory for Computation and Simulation in Science and Engineering, Xiangtan University, Xiangtan 411105, China 2 School of Civil Engineering & Mechanics, Xiangtan University, Xiangtan 411105, China 3 School of Civil Architecture, Central South University, Changsha 410075, China 4 AMEC, Toronto M5A5G7, Canada 2010Science China(Physics,Mechanics & Astronomy)2010,53,4:2
12Oenanthe Javanica Extract Protects Against Experimentally Induced Ischemic Neuronal Damage via its Antioxidant Effects显示文摘Joon Ha Park Jeong Hwi Cho In Hye Kim Ji Hyeon Ahn Jae-Chul Lee Bai Hui Chen Bich-Na Shin Hyun-Jin Tae Ki-Yeon Yoo SeongKweon Hong II Jun Kang Moo-Ho Won Jong-Dai Kim 2015Chinese Medical Journal2015,,21:2
13LONG TIME ASYMPTOTIC BEHAVIOR OF SOLUTION OF DIFFERENCE SCHEME FOR A SEMILINEAR PARABOLIC EQUATION (Ⅱ)显示文摘In this paper we prove the solution of explicit difference scheme for a semilinear parabolic equation converges to the solution of difference scheme for the relevant nonlinear stationary problem as t→∞. For nonlinear parabolic problem, we obtain the long time asymptotic behavior of its discrete solution which is analogous to that of its continuous solution. For simplicity, we discuss one-dimensional problem.Hui Feng(Shenzhen University Normal College, Shenzhen 518060, China Laboratorp of Computational Physics, Institute of Applied Physics and Computational Mathematics,P.O.Box 8009, Beijing 100088, China )Long-jnn Shen(Laboratory of Computational Physics, In 1998Journal of Computational Mathematics1998,16,6:2
14Delivery of poorly soluble com- pounds by amolphous solid dispersions 显示文摘Lee 'IN~ Boersen NA Hui HW 2014Cltrr Pharm Des2014,20,3:1
15Bringing a probiotic- containing functional food to the market: microbiological, product, regulatory and labeling issues显示文摘Sanders M Huis in' t Veld J 1999Antonie van Leeuwenhoek1999,76,:1
16Microbial and biochemical spoil- age of foods: an overview 显示文摘HUIS IN'T VELD J 1996International Journal of Food Microbiology1996,33,1:1
17Diagnosis of near - fatal pulmonary embolus - in - transit with focused eehoear- diography显示文摘Fischer Jl Huis in't Veld MA Orland M 2013J Emerg Med2013,45,2:1
18Phosphorylated p70S6K in noninvasive low-grade urothelial carcinoma of the bladder: correlation with tumor recurrence显示文摘Soon-Ja Kim Jung Kim Hui Jung Tae-Jin Lee Kyung Lee In Chang 2014Asian Journal of Andrology2014,,:1
19The immediate bactericidal effect of lactic acid on meat-borne pathogens显示文摘VAN NETTEN P J HJ HUIS IN'T VELD 1994App1Bacteriol1994,,77:1
20Ammonia emission and its reduction from cubicle houses by flushing显示文摘KroodsmaW Huis J W H in 't Veld J W H 1993Livestock Production Science1993,35,:1
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