Báo cáo khoa học: Superoxide radical-scavenging effects from polymorphonuclear leukocytes and toxicity in human cell lines of newly synthesized organic selenium compounds potx
Báo cáo khoa học: Superoxide radical-scavenging effects from polymorphonuclear leukocytes and toxicity in human cell lines of newly synthesized organic selenium compounds potx
... Superoxide radical-scavenging effects from polymorphonuclear leukocytes and toxicity in human cell lines of newly synthesized organic selenium compounds Hiroyuki Tsukagoshi1, ... scavenging effects on O2–using PMNs. Wealso assessed their cytotoxicity against some human cell lines, such as human keratinocytes (HaCaT cells), human embryo lung fibroblast cells (HEL cells), human nasopharyngeal ... carcinoma cells (HEp-2 cells) and PMNs in vitro.ResultsO2–-scavenging effects of organic selenium compounds in PMNsWe demonstrated O2–-scavenging effects by testingwhether selenoureas and...
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Báo cáo khoa học: "A CONSIDERATION ON THE CONCEPTS STRUCTURE AND LANGUAGE IN RELATION TO SELECTIONS OF TRANSLATION EQUIVALENTS OF VERBS IN MACHINE TRANSLATION SYSTEMS" doc
... associated infor- mation relating source and target languages. Discussion have been made from the standpoint of realizability of the structure (e.g. from the standpoint of easiness of data collection ... according as the differences of contexts in the case of 1. to 3., and due to multiple meanings in the cases of 4. orS. A typical idea for selecting translation euqivalents so far is shown in ... collection and arrangement, easiness of realization and compact- ness of the size of storage space). i. Selection of Translation Equivalent Selection of translation equivalent of a verb...
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Tài liệu Báo cáo khoa học: "Mining User Reviews: from Specification to Summarization Xinfan Meng Key Laboratory of Computational Linguistics " doc
... Laboratory of Computational Linguistics(Peking University)Ministry of Education, Chinamxf@pku.edu.cnHoufeng WangKey Laboratory of Computational Linguistics(Peking University)Ministry of Education, ... view of product features.1 IntroductionReview mining and summarization aims to extractusers’ opinions towards specific products from reviews and provide an easy-to-understand sum-mary of those ... struc-ture information and unit of measurementinformation are mined from the specifi-cation to improve the accuracy of featureextraction. At summary generation stage,hierarchy information in specifications...
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Tài liệu Báo cáo khoa học: "Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval" pptx
... increased inter-est in their use and construction. With this increasedinterest and awareness has come an expansion in theapplication to knowledge acquisition, such as bilin-gual terminology. In ... aresorted in decreasing order by similarity values and rank counts are assigned in increasing order. A fixednumber of top-ranked translation alternatives are se-lected and misleading candidates ... Translation Model in CLIRFigure 1 shows the overall design of the proposedtranslation model in CLIR consisting of three mainparts as follows:- Bilingual terminology acquisition from bi-directional...
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Báo cáo khoa học: Novel a-conotoxins from Conus spurius and the a-conotoxin EI share high-affinity potentiation and low-affinity inhibition of nicotinic acetylcholine receptors doc
... containing x-conotoxins, j-conotoxins,d-conotoxins, and lO-conotoxins; the M superfamily,containing l-conotoxins, w-conotoxins, and jM-cono-toxins; the S superfamily, containing r-conotoxins and ... 1.9 s (n ¼ 5). Insets: superimposed traces of the nicotine responses obtained in a typicalTE671 cell and in an a3b4-expressing cell during control and toxin perfusion. Left inset: the traces ... sequence determination and cloning of the cDNAencoding two novel peptides, SrIA and SrIB, found in the venom of Conus spurius. The pattern and the spa-cing of their cysteines indicate that they...
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Tài liệu Báo cáo khoa học: Mixed lineage leukemia histone methylases play critical roles in estrogen-mediated regulation of HOXC13 docx
... presence of E2. Binding of ERa and ERbwas increased in both ERE1 and ERE2 of theHOXC13 promoter (Fig. 5A, lanes 1–4). The levels of E2-induced binding of ERa and ERb were higher in ERE2 than in ERE1. ... binding profiles in a time-dependentmanner in ERE1 and ERE2 (Fig. 5B). In agreementwith the above findings, binding of ERa and ERb wasincreased in both ERE1 and ERE2 in the presence of E2. Interestingly, ... observed in both regions.The binding profiles of different MLLs were interest-ing. First, although some amount of binding of MLL1was observed in ERE3, no significant E2-dependentbinding of any of...
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Báo cáo khoa học: a-1 Antitrypsin binds preprohepcidin intracellularly and prohepcidin in the serum pdf
... Afterbinding hepcidin, ferroportin is internalized, phosphor-ylated, ubiquitinated and degraded by hepatocytes and macrophages. [18,19]. The action of hepcidin is differ-ent in intestinal cells: ... interactions of a-1 antitrypsin with preprohepcidin,prohepcidin and mature hepcidin.Insert in pBT Insert in pTRGGrowth onCTCK platesaPreprohepcidin a-1 Antitrypsin +++Prohepcidin a-1 Antitrypsin ... between the hormone and A1AT. In vivo cross-linking of preprohepcidin and A1AT in cell cultureWe wished to confirm whether preprohepcidininteracts with A1AT in vivo within the cells beforesecretion....
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Báo cáo khoa học: Ribonuclease H: properties, substrate specificity and roles in retroviral reverse transcription ppt
... & Le Grice SF (2004) ‘Binding, bending and bonding’: polypurine tract-primed initiation of plus-strand DNA synthesis in human immunodefi-ciency virus. Int J Biochem Cell Biol 36,1752–1766.8 ... drawn in yellow ball and stick.The primer terminus of the DNA primer strand (purple) is indicatedwith the RNA template strand shown in yellow. The drawing wascreated usingSWISS-PDB VIEWER software ... the pairing of the com-plementary PBS and PBS¢ sequences. A combination of nondisplacement and displacement synthesis [102]converts the circular intermediate into the final linearproduct of reverse...
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Báo cáo khoa học: ISC1-encoded inositol phosphosphingolipid phospholipase C is involved in Na+/Li+ halotolerance of Saccharomyces cerevisiae pptx
... sphingosine-1-phosphate or related molecules asstimuli of Ca2+ in ux and signalling in yeast is of particularinterest. The authors report that these compounds repre-senting intermediates of ... sphingolipid biosynthesis and degradation elevate intracellular Ca2+levels and activatecalcineurin-signalling pathways. The transient accumulation of Ca2+due to the increase of phyto- and ... Crz1p dephosphorylation initiates itsnuclear import and, subsequently, its binding to thecalcineurin-dependent response element in a variety of promoters including that of ENA1.Asanalternative,aceramide-activated...
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Báo cáo khoa học: "An Online System for Corpus Management and Analysis in Support of Computing in the Humanities" pot
... studies in the humanities new challenges in maintaining and analysing electronic resourcesarise. This is all the more because research groupsare often distributed over several institutes and universities. ... Frankfurt am Main,2Universit¨at BielefeldAbstractThis paper introduces eHumanities Desk-top- an online system for corpus manage-ment and analysis in support of Comput-ing in the Humanities. ... turn point in the development of Corpus Management Systems(CMS). Apart from the aspect of pure resourcemanagement, processing and analysis of docu-ments have traditionally been the domain of desk-top...
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