Báo cáo khoa học: The importance of polymerization and galloylation for the antiproliferative properties of procyanidin-rich natural extracts doc

... 4802–4811 ª 2007 The Authors Journal compilation ª 2007 FEBS 4811 The importance of polymerization and galloylation for the antiproliferative properties of procyanidin-rich natural extracts D. Lizarraga1, ... mean degree of polymerization and percentage of galloylation, with their antiproliferative potential and their scavenging capacity for hydroxyl and superoxideanion radicals.Results and DiscussionGrowth ... safe agents for the prevention and treatment of cancer remains inefﬁcient and costly, and falls short of the requirements for primary prevention among the high-risk population and for prevention...

Báo cáo khoa học: Mycobacterium tuberculosis possesses a functional enzyme for the synthesis of vitamin C, L-gulono-1,4-lactone dehydrogenase doc

... important portion of the fusion protein wasdegraded by the host proteases. On the other hand,attempts to produce a His-tagged version of the Rv1771 protein by using the pRSETc or the GatewaypDEST17 ... expression and puriﬁcation of the recombinantL-gulono-1,4-lactone dehydrogenase(Rv1771) of M. tuberculosis The Rv1771 DNA was cloned into the pDEST15 vec-tor by using the Gateway system, and the ... junction between the GST tag and the Rv1771 sequence. Upon 3 h of induction of the pDEST15_Rv1771 E. coli strain with isopropyl-b-d-thiogalactopyranoside (IPTG) at 37 °C, the yield of the recombinant...

Báo cáo khoa học: Two short protein domains are responsible for the nuclear localization of the mouse spermine oxidase l isoform pdf

... localization for the mSMOl isoform (Fig. 4).Taken together, these results consistently substanti-ate the hypothesis that these two structural regions aremandatory for the nuclear localization of mSMOl,as the ... 15 IUÆL)1 of culture broth.Kinetic properties of the mSMOlD protein The biochemical properties of mSMOa and mSMOlhave been reported previously [9,10]. The recombinantmSMOlD isoform also shows ... numbering of the humanSMO enzyme). The two protein domains may havecoevolved, conferring novel properties to mammalianSMOs.Molecular modeling of the 3D structure of the mSMOl isoform was thus...

Báo cáo khoa học: "Some Comments on Algorithm and Grammar in the Automatic Parsing of Natural Languages" ppt

... grammars written in the form of appropriate tables of rules. The paper raises the question of the increasing complexity of the tables when more than the most elementary natural- language con- ... any of several grammars of a certain type. The type of grammar has to be specified very precisely by means of a grammar- rule format. These grammars can be written in the form of tables of ... rules, and the same algorithm can be * Work on this paper was done under the sponsorship of the Information Processing Laboratory of the Rome Air Development Center of the United States Air Force,...

Báo cáo khoa học: Nuclear factor kappa B and tumor necrosis factor-alpha modulation of transcription of the mouse testis- and pre-implantation development-speciﬁc Rnf33⁄Trim60 gene pot

... resultedin the abolishment of 80% of the relative luciferaseactivity, despite the presence of exon 1 and the upstream sequence (Fig. 3A). A further deletion inconstruct F3 conﬁrmed the importance of ... sequences for p65 are found in the oocyte, pre-implantation embryos and in the testis.On the other hand, p50 ⁄ Nf- jb1 EST sequences arefound in the oocyte and in the testis but not in any of the ... concentration of 20 ngÆ mL)1, and the cells were fur-ther incubated for 24 h before being harvested for luciferaseassays or RT-PCR analysis. The Student’s t-test was used for statistical analysis of the...

Báo cáo khoa học: Accessory proteins functioning selectively and pleiotropically in the biosynthesis of [NiFe] hydrogenases in Thiocapsa roseopersicina docx

... ions (Fe, Ni) and CO and CN ligands in the active centre, the orientation of the Fe–S clusters within the small subunit, and the proteolytic cleavage of the C-terminal end of the largesubunit by ... genes(pBRKCDE), and the other one contained only the hypC1DE genes (pBRCDE). The presence of the pleiotropichypE gene in the constructs was necessary because of the possible polar effect of the transposon. ... and characterize the accessory genesneeded for the maturation of functionally active hydro-genases in T. roseopersicina and to understand their physio-logical roles. The determination of the...

Báo cáo khoa học: "A Tradeoff between Compositionality and Complexity in the Semantics of Dimensional Adjectives" potx

... the table is long. We may view the relations expressed by these sen- tences as constraints on the measurements of the ob- ject axes (the width of the fridge, the depth of the cupboard, and ... with their own semantics, and to assume that the semantics of each sentence in (3) is a composi- tional function of the semantics of the morphosyntac- tic category and the semantics Of the ... in Table 2. The symbol '+' is + in the unmarked case and - in the marked case, and 'x' stands for scalar multiplication. 4 In the case of the positive and the ordinary...

Tài liệu Báo cáo khoa học: FGF-2, IL-1b and TGF-b regulate ﬁbroblast expression of S100A8 doc

... hematoxylin. For other controls, pri-mary or secondary antibodies were omitted.Acknowledgements The authors are obliged to Professor Rolf Howlett for the preparation and donation of wound specimens and ... using the MolecularImager System (GS-525, Bio-Rad) and analyzed withMultianalyst 1.0 software (Bio-Rad). Alternatively, the FLA5000 imaging system (FUJI) and the L Process and Image Gauge software ... were used. The relat-ive magnitude of expression of S100A8 mRNA wasdetermined using quantitative densitometry, normalized to the level of 18S rRNA on the same blot and expressedas the percent...

Tài liệu Báo cáo khoa học: "Learning to Find Translations and Transliterations on the Web" doc

... as B and I. Finally, we compute the frequency of all the candidates identified in all snippets, and output the one with the highest frequency. 4 Experiments and Evaluation We extracted the ... search engine. The translations are identified, tallied, ranked, and returned as the output of the system. 3.1 Preparing Data for CRF Classifier We make use a small set of term and translation ... co-occurrence of Chinese characters and English words in bilingual dictionaries or termbanks, where P(e, f) represents the probability of the co-occurrence of English word e and Chinese character f, and...

Tài liệu Báo cáo khoa học: "ModelTalker Voice Recorder – An Interface System for Recording a Corpus of Speech for Synthesis" ppt

... smoother, more natural sounding synthesis, but requires many hours of recording, often by a trained professional. The recording process is usually supervised, and the recordings are often hand-polished. ... corpus of speech. The system provides the user with feedback on the quality of each utterance they record in terms of pronunciation accuracy, relative uniformity of pitch, and relative uniformity ... recorded, the user rece-ives feedback on the overall quality of the utter-ance. Specifically, the user receives feedback on the pitch, the overall amplitude, and the pronuncia-tion of the recording....

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