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| 1 | Resistance of Helicobacter pylori to antibiotics from 2000 to 2009 in Shanghai显示文摘AIM: To investigate the resistance of Helicobacter pylori (H. pylori ) to 6 commonly used antibiotics from 2000 to 2009 in Shanghai. METHODS: A total of 293 H. pylori strains were collected from 2000 to 2009 in Shanghai and tested for their susceptibility to metronidazole, clarithromycin, amoxicillin, furazolidone, levofloxacin and tetracycline using agar dilution. RESULTS: The resistant rates of H. pylori to clarithromycin (8.6%, 9.0% and 20.7%) and levofloxacin (10.3%, 24.0% and 32.5%) increased from 2000 to 2009 in Shanghai. The resistant rate of H. pylori to metronidazole remained stable (40%-50%). Only one strain of H. pylori isolated in 2005 was resistant to tetracycline. All strains were sensitive to amoxicillin and furazolidone.The resistant rate of H. pylori to antibiotics was not related with the sex, age and clinical outcome of patients. CONCLUSION: Resistance of H. pylori to antibiotics plays an important role in making treatment strategies against H. pylori -associated diseases. | Qin-Juan Sun Xiao Liang Qing Zheng Wei-Qi Gu WenZhong Liu Shu-Dong Xiao Hong Lu | 2010 | World Journal of Gastroenterology2010,16,40: | 90 |
| 2 | Ythdc2 is an N^6-methyladenosine binding protein that regulates mammalian spermatogenesis显示文摘N 6-methyladenosine (m 6 一) 是在真核细胞的 mRNA 的最普通的内部修正。它动态地被安装并且搬迁,并且充当 mRNA 新陈代谢,包括干细胞 pluripotency 的调整生物过程,房间区别,和精力动态平衡的新层。m 6 A 被选择有约束力的蛋白质认出;YTHDF1 和 YTHDF3 在音乐会工作影响 m 6包含 A 的 mRNAs, YTHDF2 帮助 mRNA 腐烂,和 YTHDC1 影响它的目标的原子处理。YTHDC2 的生物功能, YTH 蛋白质家庭,的最后的成员仍然保持未知。我们报导 YTHDC2 有选择地绑 m 6 在它的一致主题的 A。YTHDC2 提高它的目标的翻译效率并且也减少他们的 mRNA 丰富。Ythdc2 猛烈老鼠是不肥沃的;男性们让显著地更小的睾丸和女性同窝出生的人与那些相比有显著地更小的卵巢。Ythdc2 猛烈老鼠的细菌房间不经过 zygotene 阶段发展,因此,当成熟分裂开始, Ythdc2 是在睾丸的 upregulated。因此, YTHDC2 是 m 6 在精子发生期间起关键作用的 A 绑定蛋白质。 | Phillip J Hsu Yunfei Zhu Honghui Ma Yueshuai Guo Xiaodan Shi Yuanyuan Liu Meijie Qi Zhike Lu Hailing Shi Jianying Wang Yiwei Cheng Guanzheng Luo Qing Dai Mingxi Liu Xuejiang Guo Jiahao Sha Bin Shen Chuan He | 2017 | Cell Research2017,27,9: | 96 |
| 3 | Coding metamaterials, digital metamaterials and programmable metamaterials显示文摘Metamaterials are artificial structures that are usually described by effective medium parameters on the macroscopic scale,and these metamaterials are referred to as‘analog metamaterials’.Here,we propose‘digital metamaterials’through two steps.First,we present‘coding metamaterials’that are composed of only two types of unit cells,with 0 and p phase responses,which we name‘0’and‘1’elements,respectively.By coding‘0’and‘1’elements with controlled sequences(i.e.,1-bit coding),we can manipulate electromagnetic(EM)waves and realize different functionalities.The concept of coding metamaterials can be extended from 1-bit coding to 2-bit coding or higher.In 2-bit coding,four types of unit cells,with phase responses of 0,p/2,p,and 3p/2,are required to mimic the‘00’,‘01’,‘10’and‘11’elements,respectively.The 2-bit coding has greater freedom than 1-bit coding for controlling EM waves.Second,we propose a unique metamaterial particle that has either a‘0’or‘1’response controlled by a biased diode.Based on this particle,we present‘digital metamaterials’with unit cells that possess either a‘0’or‘1’state.Using a field-programmable gate array,we realize digital control over the digital metamaterial.By programming different coding sequences,a single digital metamaterial has the ability to manipulate EM waves in different manners,thereby realizing‘programmable metamaterials’.The above concepts and physical phenomena are confirmed through numerical simulations and experiments using metasurfaces. | Tie Jun Cui Mei Qing Qi Xiang Wan Jie Zhao Qiang Cheng | 2014 | Light(Science & Applications)2014,3,1: | 130 |
| 4 | Inhibiting effect of antisense oligonucleotides phosphorthioate on gene expression of TIMP-1 in rat liver fibrosis显示文摘AIM To observe the inhibition of antisenseoligonucleotides (asON) phosphorthioate to thetissue inhibitors metalloproteinase-1 (TIMP-1)gene and protein expression in the liver tissue ofimmunologically induced hepatic fibrosis rats.The possibility of reversing hepatic fibrosisthrough gene therapy was observed.METHODS Human serum albumin (HSA) wasused to attack rats, as hepatic fibrosis model, inwhich asONs were used to block the gene andprotein expressing TIMP-1. According to theanalysis of modulator, structure protein, codingseries of TIMP-1 genome, we designed fourdifferent asONs. These asONs were injected intothe hepatic fibrosis models through coccygealvein. The results was observed by RT-PCR formeasuring TIMP-1 mRNA expression,immunohistochemistry and in situ hybridizationfor collagen Ⅰ, Ⅲ, special staining of collagenfiber, and electron microscopic examination.RESULTS Hepatic fibrosis could last within 363days in our modified model. The expressinglevel of TIMP-1 was high during hepatic fibrosisprocess. It has been proved by theimmunohistochemical and the electronmicroscopic examination that the asONphosphorthioate of TIMP-1 could exactly expressin vivo. The effect of colchicine wasdemonstrated to inhibit the expressing level ofmRNA and the content of collagen Ⅰ, Ⅲ in theliver of experimental hepatic fibrosis rats.However, the electron microscopy research andthe pathologic grading of hepatic fibrosisshowed that there was no significant differencebetween the treatment group and the modelgroup (P>0.05).CONCLUSION The experimental rat model ofhepatic fibrosis is one of the preferable modelsto estimate the curative effect of anti-hepaticfibrosis drugs. The asON phosphorthioate ofTIMP-1 could block the gene and proteinexpression of TIMP-1 in the liver of experimentalhepatic fibrosis rats at the mRNA level. It ispossible to reverse hepatic fibrosis, and it isexpected to study a new drug of anti-hepaticfibrosis on the genetic level. Colchicine has verylimited therapeutic effect on hepatic fibrosis,furthermore, its toxicity and side effects areobvious. | Qing He Nie Yong Qian Cheng Yu Mei Xie Yong Xing Zhou Yi Zhan Cao The Center of Infectious Disease Diagnosis and Treatment of PLA,Tangdu Hospital,Forth Military Medical University,Xi’an 710038,Shaanxi Province,ChinaDr,Qing He Nie graduated from Qinghai Medical College as a doctor in 1983,got master degree at Beijing 302 Army Hospital in 1993,got doctor degree at the Third Military Medical University in 1998,engaged in postdoctoral research at the Fourth Military Medical University from 1998 to 2000,now an associate professor,specialized in clinical and experimental research of infectious diseases,had more than 90 papers published,coauthor of ten books,first author of one book. | 2001 | World Journal of Gastroenterology2001,7,3: | 73 |
| 5 | Mesenchymal stem cells: a new strategy for immunosuppression and tissue repair显示文摘间充质的干细胞(MSC ) 为治疗各种各样的疾病有大潜力,特别那些与织物有关损坏包含有免疫力的反应。各种各样的研究证明了 MSC 在 vitro 并且在 vivo 是强烈抑制免疫力的。我们的最近的研究证明了那未刺激的 MSC 确实不能免疫力的抑制;他们与 TNF- 伪, IL-1 伪或 IL-1 尾与激活的淋巴细胞的上层清液,或与 IFN- 纬的联合在刺激之上变得 potently 抑制免疫力。这观察表明在某些情形下面,煽动性的 cytokines 能实际上变得抑制免疫力。我们证明在调停 MSC 的免疫力的抑制的机制有一个种类变化:由告知 cytokine 的老鼠 MSC 的免疫力的抑制被氮的氧化物调停(没有) 而由告知 cytokine 的人的 MSC 的免疫力的抑制通过 indoleamine 被执行 2, 3-dioxygenase (伊多语) 。在有煽动性的 cytokines 的刺激之上,另外,老鼠和人的 MSC 分泌几白血球 chemokines 显然服务与 MSC 吸引有免疫力的房间进最近,在哪儿不或伊多语被预言很活跃。因此,由煽动性的刺激 cytokine 的 MSC 的免疫力的抑制经由 chemokines 的一致行动发生并且免疫者禁止没有或伊多语由 MSC 生产了。因此,我们的结果在对待有免疫力的回答导致的织物损害关于调停 MSC 的免疫力的抑制并且为 MSC 的更好的申请的机制提供新奇信息。 | Yufang Shi Gangzheng Hu Juanjuan Su Wenzhao Li Qing Chen Peishun Shou Chunliang Xu Xiaodong Chen Yin Huang Zhexin Zhu Xin Huang Xiaoyan Han Ningxia Xie Guangwen Ren | 2010 | Cell Research2010,20,5: | 72 |
| 6 | China’s urban expansion from 1990 to 2010 determined with satellite remote sensing显示文摘Based on the same data source of Landsat TM/ETM+ in 1990s,2000s and 2010s,all urban built-up areas in China are mapped mainly by human interpretation.Mapping results were checked and refined by the same analyst with the same set of criteria.The results show during the last 20 years urban areas in China have increased exponentially more than 2 times.The greatest area of urbanization changed from Northeastern provinces in 1990s to the Southeast coast of China in Jiangsu,Guangdong,Shandong,and Zhejiang in 2010s.Urban areas are mostly converted from croplands in China.Approximately 17750 km 2 croplands were converted into urban lands.Furthermore,the conversion from 2000 to 2010 doubled that from 1990 to 2000.During the 20 years,the most urbanized provinces are Jiangsu,Guangdong,Shandong and Zhejiang.We also analyzed built-up areas,gross domestic production (GDP) and population of 147 cities with a population of greater than 500000 in 2009.The result shows coastal cities and resource-based cities are with high economic efficiency per unit of built-up areas,resource-based cities have the highest population density,and the economic efficiency of most coastal provinces are lower than central provinces and Guangdong.The newly created urban expansion dataset is useful in many fields including trend analysis of urbanization in China;simulation of urban development dynamics;analysis of the relationship among urbanization,population growth and migration;studies of carbon emissions and climate change;adaptation of climate change;as well as land use and urban planning and management. | WANG Lei LI CongCong YING Qing CHENG Xiao WANG XiaoYi LI XueYan HU LuanYun LIANG Lu YU Le HUANG HuaBing GONG Peng | 2012 | Chinese Science Bulletin2012,57,22: | 64 |
| 7 | 四川盆地深层微生物碳酸盐岩储层特征及其油气勘探前景显示文摘微生物碳酸盐岩是油气勘探储层的新类型。四川盆地微生物碳酸盐岩储层主要发育在上震旦统灯影组和中三叠统雷口坡组。灯影组微生物碳酸盐岩储层主要发育在灯二段和灯四段。灯影组微生物碳酸盐岩遍布全盆,岩石结构具有全盆地相似性,灯二段以凝块石和葡萄石为主,灯四段以纹层石和叠层石为主。灯二段储集空间主要为喀斯特孔洞、葡萄-花边状孔洞、微生物体腔孔、微生物格架间孔和凝块间溶孔,灯四段则以窗格孔和喀斯特孔洞为主。灯影组微生物碳酸盐岩优质储层形成的主控因素是微生物席、白云石化和风化壳喀斯特作用。雷口坡组微生物碳酸盐岩主要分布在川西地区的雷四段,主要为叠层石和凝块石,储集空间主要为微生物窗格孔和格架孔。雷口坡组微生物碳酸盐岩优质储层形成的主控因素是微生物礁滩(微生物席)、白云石化和埋藏溶蚀作用。目前,在灯影组和雷四段微生物碳酸盐岩储层均已发现大型气田,并具有非常广阔的勘探前景。四川盆地西部中北段是深层-超深层海相领域油气勘探的最有利地区之一。 | 刘树根 宋金民 罗平 QING Hairuo 林彤 孙玮 李智武 王浩 彭瀚霖 余永强 龙翼 万元博 | 2016 | 成都理工大学学报(自然科学版)2016,43,2: | 67 |
| 8 | 高血压病中医分型的代谢组学研究(英文)显示文摘目的:将传统中医辨证方法同现代系统生物学理论相结合,探讨原发性高血压辨证分型与基于GC/MS的血清代谢组学的关系。方法:原发性高血压辨证分为肝火亢盛、痰湿雍盛及阴虚阳亢三型。应用GC/MS测定健康人及原发性高血压病人血清内源性代谢物,并用主成分分析(PCA)、偏最小乘方分析(PLS-DA)和马氏距离(MD)分析他们的代谢谱。结果:PCA和PLS-DA分析的结果表明:健康人与高血压病人血清代谢谱有明显差异,能够被区分开,但PCA和PLS-DA不能将中医高血压的三型完全分开。利用MD不仅可以清晰地区分上述三种类型的高血压,同时还显示高血压的发展过程。结论:基于GC/MS和模式识别的代谢组学在揭示传统中医理论本质上有着广泛的应用前景。 | LU Yi-hong HAO Hai-ping WANG Guang-ji CHEN Hu-xiao ZHU Xuan-xuan XIANG Bing-ren HUANG Qing A Ji-Y | 2007 | 中国临床药理学与治疗学2007,12,10: | 54 |
| 9 | Effect of admission hypertriglyceridemia on the episodes of severe acute pancreatitis显示文摘AIM: To investigate the effect of admission hypertriglyceridemia (HTG) on the episodes of severe acute pancreatitis (SAP). METHODS: One hundred and seventy-six patients with SAP were divided into HTG group (n = 45) and control group (n = 131) according to admission triglyceride (TG) 5.65 mmol/L and < 5.65 mmol/L, respectively. Demographics, etiology, underlying diseases, biochemical parameters, Ranson' s score, acute physiology and chronic heath evaluation (APACHE ) score, Balthazar's computed tomography (CT) score, complications and mortality were compared. Correlation between admission TG and 24-h APACHE score was analyzed. RESULTS: SAP patients with HTG were younger (40.8 ± 9.3 years vs 52.6 ± 13.4 years, P < 0.05) with higher etiology rate of overeating, high-fat diet (40.0% vs 14.5%, P < 0.05) and alcohol abuse (46.7% vs 23.7%, P < 0.01), incidence rate of hypocalcemia (86.7% vs 63.4%, P < 0.01) and hypoalbuminemia (84.4% vs 60.3%, P < 0.01), 24-h APACHE score (13.6 ± 5.7 vs 10.7 ± 4.6, P < 0.01) and admission serum glucose (17.7 ± 7.7 vs 13.4 ± 6.1, P < 0.01), complication rate of renal failure (51.1% vs 16.8%, P < 0.01), shock (37.9% vs 14.5%, P < 0.01) and infection (37.4% vs 18.3%, P < 0.01) and mortality (13.1% vs 9.1%, P < 0.01). Logistic regression analysis showed a positive correlation between admission TG and 24-h APACHE score (r = 0 .509, P = 0.004).CONCLUSION: The clinical features of SAP patients with HTG are largely consistent with previous studies. HTG aggravates the episodes of SAP. | Li-Hui Deng Ping Xue Qing Xia Xiao-Nan Yang Mei-Hua Wan | 2008 | World Journal of Gastroenterology2008,14,28: | 59 |
| 10 | Inhibitory effect of IGF-Ⅱ antisense RNA on malignant phenotype of hepatocellular carcinoma显示文摘INIRODUCTIONAccording to the therapeutic effect and strategy ofantisense RNA for hepatoccllular carcinoma(HCC),we have specifically synthesized partialcDNA of human insulin-like growth factor Ⅱ(IGF-Ⅱ)and constructed IGF-Ⅱ cDNA antisenseeukaryotic expression vector.The constructedvector was introduced into hepatoma cell lineSMMC-7721 to block the intrinsic IGF-Ⅱexpression.The biological behavior changes ofhepatoma cells were observed.All these | Dong Hua Yang Ming Qing Zhang Jiang Du Chong Xu Oiao Ming Liang Ji Fang Mao Han Rong Qin Zi Rong Fan Department of Gastroenterology,Zhujiang Hospital,the First Military Medical University,Guangzhou 510282,China Laboratory of Molecular Biology,Zhujiang Hospital,the First Military Medical University,Guangzhou,China Departrnent of Biochemistry,the Second Military Medical University,Shanghai,China | 2000 | World Journal of Gastroenterology2000,6,2: | 54 |
| 11 | 青藏高原北缘酒泉盆地青西凹陷白垩系湖相热水沉积原生白云岩显示文摘通过岩相学、组构学和地球化学的综合研究,详细描述和论证了一种独特而罕见的中生代断陷湖盆条件下,碱性热卤水结晶沉淀的纹层状泥晶原生含铁白云岩.主要造岩矿物为泥晶结构的含铁白云石,此类白云石多呈0.1~1 mm厚的纹层,并与钠长石、方沸石、重晶石和地开石等多种热液矿物呈两元或多元互纹层产出.岩石地球化学结果显示:富含Sb,Ba,Sr,Mn和V等热水沉积标型元素,LREE相对富集,具典型的负Eu异常稀土配分模式,氧同位素δ18OPDB介于-5.89‰^-14.15‰,平均-9.69‰,87Sr/86Sr比值介于0.711648~0.719546,平均0.714718,反映沉积环境为受基底断裂控制的稳定、封闭和缺氧的深湖底低洼热卤水池,热流体为下渗湖水与幔源岩浆水混合形成的富含Ca2+,Mg2+和Fe2+等多种离子的碱性热卤水,受岩浆热能驱动流、重力驱动流及压实驱动流共同作用,突破上覆沉积物和湖泊水体的静水负荷压力发生沸腾爆炸,将喷流口上覆先期的纹层状泥晶含铁白云岩震碎,形成'水爆角砾岩';在距喷流口较远的低洼、安静的热卤水池中,热液则快速结晶化学沉淀出纹层状泥晶原生含铁白云岩.该套特殊岩石的研究一定程度上将有助于推动湖相碳酸盐岩和白云岩成因研究,特别是为我国中、新生代同类盆地湖相白云岩研究提供新的范例和研究思路. | 文华国 郑荣才 HaiRuo QING 范铭涛 李雅楠 宫博识 | 2014 | 中国科学:地球科学2014,44,4: | 56 |
| 12 | Procedure for prolapse and hemorrhoids vs traditional surgery for outlet obstructive constipation显示文摘AIM: To compare the clinical efficacies of two surgical procedures for hemorrhoid rectal prolapse with outlet obstruction-induced constipation.METHODS: One hundred eight inpatients who underwent surgery for outlet obstructive constipation caused by internal rectal prolapse and circumferential hemorrhoids at the First Affiliated Hospital of Xinjiang Medical University from June 2012 to June 2013 were prospectively included in the study.The patients with rectal prolapse hemorrhoids with outlet obstructioninduced constipation were randomly divided into two groups to undergo either a procedure for prolapse and hemorrhoids(PPH)(n = 54) or conventional surgery(n = 54; control group).Short-term(operative time,postoperative hospital stay,postoperative urinary retention,postoperative perianal edema,and postoperative pain) and long-term(postoperative anal stenosis,postoperative sensory anal incontinence,postoperative recurrence,and postoperative difficulty in defecation) clinical effects were compared between the two groups.The short- and long-term efficacies of the two procedures were determined.RESULTS: In terms of short-term clinical effects,operative time and postoperative hospital stay were significantly shorter in the PPH group than in the control group(24.36 ± 5.16 min vs 44.27 ± 6.57 min,2.1 ± 1.4 d vs 3.6 ± 2.3 d,both P < 0.01).The incidence of postoperative urinary retention was higher in the PPH group than in the control group,but the difference was not statistically significant(48.15% vs 37.04%).Theincidence of perianal edema was significantly lower in the PPH group(11.11% vs 42.60%,P < 0.05).The visual analogue scale scores at 24 h after surgery,first defecation,and one week after surgery were significantly lower in the PPH group(2.9 ± 0.9 vs 8.3 ± 1.1,2.0 ± 0.5 vs 6.5 ± 0.8,and 1.7 ± 0.5 vs 5.0 ± 0.7,respectively,all P < 0.01).With regard to long-term clinical effects,the incidence of anal stenosis was lower in the PPH group than in the control group,but the difference was not significant(1.85% vs 5.56%).The incidence of sensory anal incontinence was significantly lower in the PPH group(3.70% vs 12.96%,P < 0.05).The incidences of recurrent internal rectal prolapse and difficulty in defecation were lower in the PPH group than in the control group,but the differences were not significant(11.11% vs 16.67% and 12.96% vs 24.07%,respectively).CONCLUSION: PPH is superior to the traditional surgery in the management of outlet obstructive constipation caused by internal rectal prolapse with circumferential hemorrhoids. | Ming Lu Bo Yang Yang Liu Qing Liu Hao Wen | 2015 | World Journal of Gastroenterology2015,21,26: | 57 |
| 13 | Scutellaria baicalensis, the golden herb from the garden of Chinese medicinal plants显示文摘Scutellaria baicalensis Georgi, or Chinese skullcap, has been widely used as a medicinal plant in China for thousands of years, where the preparation from its roots is called Huang-Qin. It has been applied in the treatment of diarrhea, dysentery, hypertension, hemorrhaging, insomnia,inflammation and respiratory infections. Flavones such as baicalin, wogonoside and their aglycones baicalein wogonin are the major bioactive compounds extracted from the root of S. baicalensis. These flavones have been reported to have various pharmacological functions, including anti-cancer,hepatoprotection, antibacterial and antiviral, antioxidant,anticonvulsant and neuroprotective effects. In this review,we focus on clinical applications and the pharmacological properties of the medicinal plant and the flavones extracted from it. We also describe biotechnological and metabolic methods that have been used to elucidate the biosynthetic pathways of the bioactive compounds in Scutellaria. | Qing Zhao Xiao-Ya Chen Cathie Martin | 2016 | Science Bulletin2016,61,18: | 59 |
| 14 | Tibetan Plateau climate dynamics: recent research progress and outlook显示文摘This paper reviews progress in the study of Tibetan Plateau(TP) climate dynamics over the past decade.Several theoretical frameworks, including thermal adaptation and the TP sensible heat(SH) driving air-pump, have been developed to identify the mechanisms responsible for the circulation anomaly produced by thermal forcing of the TP. Numerical simulations demonstrate that the thermal efects of large-scale orography, including the Tibetan and Iranian Plateaus(TIP), are crucial for the formation of the East Asian and South Asian summer monsoons(SASM) because the surface SH of the TIP is the major driver of the water vapor transport required for the genesis of the north branch of the SASM. he large-scale orography of the TP afects the Asian climate through thermal forcing in spring and summer, and mechanical forcing in winter. he TP forcing can also inluence the Asian summer monsoon(ASM) onset over the Bay of Bengal(BOB) by enhancing the BOB warm pool at the surface and by modulating the South Asian High(SAH) in the upper troposphere. On intra-seasonal timescales, the TP thermal forcing signiicantly modulates spring rainfall in southern China and generates the biweekly oscillation of the SAH in summer. Despite climate warming, the atmospheric heat source over the TP, particularly the spring SH,exhibits a clear weakening trend from the 1980 s to 2000 s. his weakening of the spring SH contributed to the anomalous ‘dry in the north' and ‘wet in the south' rainfall patern observed over East China. Also discussed are challenges to further understanding the mechanism of TP forcing on the multi-scale variability of the ASM. | Guoxiong Wu Anmin Duan Yimin Liu Jiangyu Mao Rongcai Ren Qing Bao Bian He Boqi Liu Wenting Hu | 2015 | National Science Review2015,2,1: | 51 |
| 15 | Alterations in metastatic properties of hepatocellular carcinoma cell following H-ras oncogene transfection显示文摘AIM To demonstrate the relationship betweenH-ras oncogene and hepatocellular carcinoma(HCC) metastasis.METHODS Activated H-ras oncogene wastransfected into SMMC 7721, a cell line derivedfrom human HCC, by calcium phosphatetransfection method. Some metastasis-relatedparameters were detected in vitro, includingadhesion assay, migration assay, expression ofcollagenase ⅣV (c ⅣV ase) and epidermal growthfactor receptor (EGFR).RESULTS The abilities of H-ras-transfected cellclones in adhesion to laminin (LN) or fibronectin(FN), migration, c Ⅳ ase secretion increasedmarkedly, and the expression of EGFR elevatedmoderately. More importantly, these alterationswere consistent positively with the expressionof p21, the protein product of H-ras oncogene.CONCLUSION H-ras oncogene could inducethe metastatic phenotype of HCC cell in vitro toraise its metastatic potential. | Qing Wang~1 Zhi Ying Lin~2 Xiao Li Feng~3 ~1Department of Microbiology,Medical Center of Fudan University.the former Shanghai Medical University,Shanghai 200032,China ~2Liver Cancer Institute,Zhongshan Hospital,Shanghai 200032,China ~3Shanghai Institute of Biochemistry,Academy Sinica,Shanghai 200031,ChinaQing Wang earned master degree from Shanghai Medical University in 1996,now a senior lecturer of microbiology,specialized in the role of oncogcncs on tumor metastasis,having 8 papers published. | 2001 | World Journal of Gastroenterology2001,7,3: | 48 |
| 16 | Oxidative stress and DNA damages induced by cadmium accumulation显示文摘试验性的证据证明然而,镉( Cd )能在动物房间导致氧化压力 andthen 原因 DNA 损坏如此的效果是否在植物存在,是 stillunclear.In 现在的学习, Vicia faba 植物为 4 d toinvestigate 暴露于 5 和 10 mg/L Cd 在植物的 Cd 的分发,在 leaves.Cd 的房间类脂化合物, antioxidativeenzymes 和 DNA 损坏上的金属效果在叶子和提高的 concen 在类脂化合物 peroxidation 的 plants.An enhancedlevel 在 Cd | LIN Ai-jun ZHANG Xu-hong CHEN Mei-mei CAO Qing | 2007 | Journal of Environmental Sciences2007,19,5: | 47 |
| 17 | Overexpression of SOS (Salt Overly Sensitive) Genes Increases Salt Tolerance in Transgenic Arabidopsis显示文摘土壤咸度是减少种的一个主要不能生活的压力生长和生产率。最近,植物 overexpressing AtNHX1 或 SOS1 显著地增加了盐忍耐,这被报导。为了测试多重基因的 overexpression 是否能改善,甚至更种盐忍耐,我们生产了六不同转基因的 Arabidopsis 植物那 overexpress AtNHX1, SOS3, AtNHX1 ?+? SOS3, SOS1, SOS2 ?+? SOS3,或 SOS1 ?+? SOS2 ?+? SOS3。北污点分析在转基因的植物证实了相关基因抄本的高水平的存在。转基因的 Arabidopsis 植物 overexpressing AtNHX1 独自没在盐忍耐介绍任何重要增加,与更早的报告相反。我们发现那转基因的植物 overexpressing SOS3 展览增加了类似于植物 overexpressing SOS1 的盐忍耐。而且,转基因的植物 overexpressing AtNHX1 的盐忍耐 ?+? SOS3, SOS2 ?+? SOS3,或 SOS1 ?+? SOS2 ?+? 分别地, SOS3 独自显得类似于转基因的植物 overexpressing 任何一个 SOS1 或 SOS3 的忍耐。 | Qing Yang | 2009 | Molecular Plant2009,2,1: | 44 |
| 18 | Zircon U-Pb age and Hf isotope of Quanyishang A-type granite in Yichang: Signification for the Yangtze continental cratonization in Paleoproterozoic显示文摘Zircon U-Pb age and Hf isotope, and major and trace element compositions were reported for granite at Quanyishang, which intruded into the Kongling complex in Yichang, Hubei Province. The results show that the Quanyishang granite is rich in silicon and alkalis but poor in calcium and magnesium, and displays enrichment in Ga, Y, Zr, Nb but depletion in Sr and Ba, exhibiting the post-orogenic A-type affinity. 90% zircons from the granite are concordant, and give a middle Paleoproterozoic magmatic crystallization age (mean 1854 Ma). Initial Hf isotope ratios (176Hf/177Hf)i of the middle Paleoproterozoic zircons range from 0.280863 to 0.281134 and they have negative εHf(t) values with a minimum of -26.3. These zircons give the depleted mantle model ages (TDM) of 2.9―3.3 Ga (mean 3.0 Ga), and the average crustal model ages (Tcrust) of 3.6―4.2 Ga (mean 3.8 Ga). A Mesoarchean grain with 207Pb/206Pb age of 2859 Ma has a slightly high TDM (3.4 Ga) but similar Tcrust (3.8 Ga) to the Paleoproterozoic zircons. All these data suggest that the source materials of the Quanyishang A-type granite are unusually old, at least ≥2.9 Ga (even Eoarchean). The event of crustal remelting, which resulted in the formation of the Quanyishang granite in the middle Paleoproterozoic, recorded the cratonization of the Yangtze conti- nent. The process may have relation to the extension and collapse of the deep crust with Archean ages, in response to the transition stage of the assembly and breakup of the Columbia supercontinent. | XIONG Qing HENG JianPing YU ChunMei SU YuPing TANG HuaYun ZHANG ZhiHai | 2009 | Chinese Science Bulletin2009,54,3: | 46 |
| 19 | Development and Prospect of SiC Power Devices in Power Grid显示文摘碳化硅作为一种宽禁带材料,具有高击穿场强、高饱和电子漂移速率、高热导率等优点,可以实现高压、大功率、高频、高温应用的新型功率半导体器件。该文对碳化硅功率半导体器件的最新发展进行回顾,包括碳化硅功率二极管、MOSFET、IGBT和晶闸管,对其在电力系统的应用现状与前景进行展望。高压大容量碳化硅功率半导体器件的迅速发展,将对电力系统的发展带来深远的影响。 | SHENG Kuang GUO Qing ZHANG Junming QIAN Zhaoming | 2012 | 中国电机工程学报2012,32,30: | 42 |
| 20 | Incidence trend of nasopharyngeal carcinoma from 1987 to 2011 in Sihui County,Guangdong Province,South China:an age-period-cohort analysis显示文摘Introduction:In the past several decades,declining incidences of nasopharyngeal carcinoma(NPC) have been observed in Chinese populations in Hong Kong,Taiwan,Los Angeles,and Singapore.A previous study indicated that the incidence of NPC in Sihui County,South China remained stable until 2002,but whether age,diagnosis period,and birth cohort affect the incidence of NPC remains unknown.Methods:Age-standardized rates(ASRs) of NPC incidence based on the world standard population were examined in both males and females in Sihui County from 1987 to 2011.Joinpoint regression analysis was conducted to quantify the changes in incidence trends.A Poisson regression age-period-cohort model was used to assess the effects of age,diagnosis period,and birth cohort on the risk of NPC.Results:The ASRs of NPC incidence during the study period were 30.29/100,000 for males and 13.09/100,000 for females.The incidence of NPC remained stable at a non-significant average annual percent change of 0.2%for males and-1.6%for females throughout the entire period.A significantly increased estimated annual percent change of 6.8%(95%confidence interval,0.1%-14.0%) was observed from 2003 to 2009 for males.The relative risk of NPC increased with advancing age up to 50-59 and decreased at ages >60 years.The period effect curves on NPC were nearly flat for males and females.The birth cohort effect curve for males showed an increase from the1922 cohort to the 1957 cohort and a decrease thereafter.In females,there was an undulating increase in the relative risk from the 1922 cohort to the 1972 cohort.Conclusions:The incidence trends for NPC remained generally stable in Sihui from 1987 to 2011,with an increase from 2003 to 2009.The relative risks of NPC increased in younger females. | Li-Fang Zhang Yan-Hua Li Shang-Hang Xie Wei Ling Sui-Hong Chen Qing Liu Qi-Hong Huang Su-Mei Cao | 2015 | Chinese Journal of Cancer2015,34,8: | 47 |