Now showing items 1058-1077 of 5878

    • Fabp4在3种病理性妊娠患者胎盘组织中的表达及意义 

      郑剑兰; 解佰纯; 王金声; 杨增明 (2010)
      目的探讨脂肪酸结合蛋白(fAbP4)基因及其蛋白在胎儿生长受限(fgr)、妊娠期糖尿病(gdM)、妊娠期高血压疾病(PIH)这3种病理性妊娠患者胎盘组织中的表达及意义。方法采用免疫组织化学的方法检测fAbP4蛋白在3种病理性妊娠患者胎盘组织中的表达差异,采用荧光实施定量PCr的方法对fAbP4的MrnA在3种病理性妊娠患者胎盘组织中的表达进行相关性分析。结果免疫细胞化学检测发现在这3种病理性妊娠患者的胎盘中,fAbP4的蛋白表达明显高于 ...
    • Fang, Wenzhen; Lin, Qingxian; Chen, Xiaolin; Lin, Junhua 

      Fang, Wenzhen; 方文珍; Lin, Qingxian; 林清贤; Chen, Xiaolin; 陈小麟; Lin, Junhua (WATERBIRD SOC, 2010-10-14)
      Nestling diets of the vulnerable Chinese Egret (Egretta eulophotes) were analyzed at two breeding colonies on islands off Fujian, Southern China, in 2007 and 2008. Fish and shrimps were the main prey, comprising 87.5% and ...
    • Fas/Fas L凋亡作用机制 

      郭淑贞; 夏宁邵 (2000-08-15)
      Fas(又称APO-1,CD95)及其配体Fas L,诱导编程性死亡的细胞表面分子,参与机体免疫调节。本文主要讨论了Fas/Fas L相互作用诱导细胞凋亡的可能机制,包括表达调控,特异结合蛋白,蛋白水解链等。
    • Fas/FasL的特性及其与免疫系统和肿瘤细胞的相关性 

      吴乔 (中科院上海生命科学研究院生化与细胞所;中国细胞生物学学会, 2001-01)
      正> 研究肿瘤的最大困惑之一就是为什么体内免疫系统几乎不能消灭肿瘤细胞,肿瘤细胞如何逃逸免疫系统的监测而生存?最新研究表明,肿瘤细胞逃逸免疫系统攻击的重要机制之一就是由于存在Fas/FasL系统。本文就Fas/FasL的特性及其与免疫系统和肿瘤细胞的相关性作一综述。 一、Fas/FasL的特性 Fas(也称为AP0或CD95)为细胞表面的
    • Fast iterative schemes for nonsymmetric algebraic Riccati equations arising from transport theory 

      Bai, Z. Z.; Gao, Y. H.; Lu, L. Z.; 高亚辉 (2008)
      For a class of nonsymmetric algebraic Riccati equations arising from transport theory, Lu [SIAM J. Matrix Anal. Appl., 26 (2005), pp. 679-685] reformulated them into a couple of fixed-point equations in a vector form and ...
    • Fatty Acid and Transcriptome Profiling of Longissimus Dorsi Muscles between Pig Breeds Differing in Meat Quality 

      Yu, Kaifan; Shu, Gang; Yuan, Fangfang; Zhu, Xiaotong; Gao, Ping; Wang, Songbo; Wang, Lina; Xi, Qianyun; Zhang, Shouquan; Zhang, Yongliang; Li, Yan; Wu, Tongshan; Yuan, Li; Jiang, Qingyan; 袁立 (IVYSPRING INT PUBL, 2013)
      Fat and lean pig breeds show obvious differences in meat quality characteristics including the fatty acid composition of muscle. However, the molecular mechanism underlying these phenotypes differences remains unknown. ...
    • FE2+ AND PHOSPHATE INTERACTIONS IN BACTERIAL FERRITIN FROM AZOTOBACTER-VINELANDII 

      Watt, G. D.; Frankel, R. B.; Jacobs, D.; Huang, H. Q.; 黄河清 (1992-06-23)
      Fe2+ binding to both apo- and holo- bacterial ferritin from Azotobacter vinelandii (AVBF) was measured as a function of pH under carefully controlled anaerobic conditions. Fe2+ binding to apo-AVBF is strongly pH dependent ...
    • Feedback regulation of Ran gene expression by Ran protein 

      Zhao, Zhe; Wang, Jiajia; Zhang, Xiaobo; 赵哲 (GENE, 2011-10-10)
      Ran, an abundant GTPase that is highly conserved in eukaryotes from yeast to human, has been implicated in many aspects of nuclear structure and function. Recently it is revealed that the Ran GTPase can regulate the hemocytic ...
    • FGFR4对胆汁酸代谢的调控作用 

      姜远; 俞春东 (2009)
      成纤维细胞生长因子受体4(fIbrOblAST grOWTH fACTOr rECEPTOr4,fgfr4)是一种能够介导成纤维细胞生长因子(fgf)信号传导的细胞表面跨膜酪氨酸激酶受体。在成熟肝实质细胞中,fgfr4在其配体fgf15或fgf19的刺激下通过激活Jnk信号通路来抑制胆汁酸合成限速酶胆固醇7α-羟化酶的表达,进而抑制胆汁酸的合成。本文介绍fgfr4及其配体在胆汁酸代谢过程中的作用及其相关机制方面的研究进展。
    • Fibroblast growth factor receptor 4 Gly388Arg polymorphism associated with severity of gallstone disease in a Chinese population 

      Chen, Q.; Li, W. J.; Wan, Y. Y.; Yu, C. D.; Li, W. G.; 俞春东 (2012)
      The etiology of gallstone disease is multifactorial; supersaturation of bile with cholesterol is a primary cause for gallstone formation. In previous studies, we found that fibroblast growth factor receptor 4 (FGFR4) plays ...
    • Fine root distribution, seasonal pattern and production in four plantations compared with a natural forest in Subtropical China 

      Yang, YS(Dept. of Geography Science, Fujian Normal University); Chen, GS(Dept. of Geography Science, Fujian Normal University); Lin, P; 林鹏; Xie, JS(Dept. of Forestry, Fujian Agriculture and Forestry University); Guo, JF(Dept. of Geography Science, Fujian Normal University) (E D P SCIENCES, 2005)
      Fine root (< 2 mm in diameter) distribution, seasonal pattern and net production were studied during 1999 - 2001 in 33 year-old plantations of two coniferous trees, Chinese fir ( Cunninghamia lanceolata, CF) and Fokienia ...
    • First record of genera Rutilaria and Trigonium (Bacillariophyta) and 11 diatom taxa (species and varieties) in South China Sea 

      Wu Rui; Lan Dongzhao; Fang Qi; Chen Changping; Lan Binbin; Sun Lin; Gao Yu; Gao Yahui; 高亚辉 (SCIENCE PRESS, 2012-09)
      Diatom taxa in samples collected from the uppermost 1-cm sediment of the South China Sea (SCS) during cruises in 2000, 2001, and 2007 were investigated. Among them, two genera, Rutilaria and Trigonium, and 11 marine taxa ...
    • First record of genera Rutilaria and Trigonium(Bacillariophyta) and 11 diatom taxa(species and varieties) in South China Sea 

      吴瑞; 蓝东兆; 方琦; 陈长平; 兰彬斌; 孙琳; 高宇; 高亚辉 (2012-09-15)
      Diatom taxa in samples collected from the uppermost 1-cm sediment of the South China Sea(SCS) during cruises in 2000,2001,and 2007 were investigated.Among them,two genera,Rutilaria and Trigonium,and 11 marine taxa(species ...
    • First record of Thalassiosira curviseriata Takano (Bacillariophyta) and its bloom in the East China Sea 

      Xie Wenling; Ll Yang; Gao Yahui; 高亚辉 (CHINA OCEAN PRESS, 2008)
      A bloom caused by a diatom, Thalassiosira curviseriata Takano (Bacillariophyta), is recorded in the East China Sea for the first time in China during a red fide investigation cruise (MC2005-2) from 27 March to 12 April ...
    • First report of Protokeelia spinifera and Rhopalodia iriomotensis from China, with comments on their systematic positions 

      Li, Yang; Gao, Ya-Hui; 高亚辉; Lu, Song-Hui (SCIENCE PRESS, 2009)
      Protokeelia is described as a new and rare pennate diatom genus in China. Its valve includes two parts: ventral valve and dorsal valve. The ventral valve is more or less convex or concave. The raphe runs in a distinct ...
    • First report of Protokeelia spinifera and Rhopalodia iriomotensis from China, with comments on their systematic positions 

      Li, Yang; Gao, Ya-Hui; 高亚辉; Lu, Song-Hui(Jinan Univ) (SCIENCE PRESS, 2009)
      Protokeelia is described as a new and rare pennate diatom genus in China. Its valve includes two parts: ventral valve and dorsal valve. The ventral valve is more or less convex or concave. The raphe runs in a distinct ...
    • FISH & SHELLFISH IMMUNOLOGY 

      Zhuang, Zhen-Hong(Sun Yat Sen Univ); Zhao, Xian-Liang; Li, Hui(Sun Yat Sen Univ); Wang, San-Ying; 王三英; Peng, Xuan-Xian (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011-03-23)
      The importance of calcium-binding proteins in immune response of vertebrates is determined, but whether they have the role in invertebrates is largely unknown. In the present study, phylogenetic analysis indicated that ...
    • Fission yeast nucleolar protein Dnt1 regulates G2/M transition and cytokinesis by downregulating Wee1 kinase 

      Yu, Zhi-yong; Zhang, Meng-ting; Wang, Gao-yuan; Xu, Dan; Keifenheim, Daniel; Franco, Alejandro; Cansado, Jose; Masuda, Hirohisa; Rhind, Nick; Wang, Yamei; Jin, Quan-wen; 王亚梅 (COMPANY OF BIOLOGISTS LTD, 2013-Nov 1)
      Cytokinesis involves temporally and spatially coordinated action of the cell cycle, cytoskeletal and membrane systems to achieve separation of daughter cells. The septation initiation network ( SIN) and mitotic exit network ...
    • Five heavy metals in propagules of ten mangrove species of China 

      Xu,JS; Meguro,S; Lian,YW; Kawachi,S; Lin,P; 徐金森 (1999)
      Five heavy metals in the propagules of 10 mangrove species in China have been investigated. The results revealed that the levels of five heavy metals in most of the propagules were lower than the background levels of the ...
    • Five unusual natural carbohydrates from Actinosynnema pretiosum 

      Lu, C. H.; Bai, L. Q.; Shen, Y. M.; 沈月毛 (2008-09)
      Five unusual hexose derivatives were isolated from the carbohydrate portion of the solid-state fermentation extract of Actinosynnema pretiosum ssp. auranticum ATCC 31565, which is a producing strain of maytansinoids that ...