نتایج جستجو برای: arg
تعداد نتایج: 10244 فیلتر نتایج به سال:
ارتباط پلی مورفیسم آرژنین/ پرولین کدون 72 ژن p53 با خطر ابتلاء به سرطان پستان در زنان آذربایجان شرقی
سابقه و هدف: سرطان پستان شایع ترین سرطان در زنان جهان است و یک سوم از زنان سرطانی به این نوع سرطان مبتلا هستند. یکی از مهمترین ژنهای سرکوبکر تومور درگیر در سرطان پستان، ژن p53 می باشد. تحقیقات نشان می دهد پلی مورفیسم G به C در کدون 72 از ژن p53 با افزایش خطر ابتلا به سرطان های زیادی ارتباط دارد و شاید بتوان این پلی مورفیسم را به عنوان مارکر استعداد به سرطان پستان در نظر گرفت. لذا این مطالعه به...
سن سبز پسته، Acrosternum heegeri، با ایجاد خسارت کمّی و کیفی، اهمیت اقتصادی زیادی در تولید محصول پسته دارد. آگاهی از وضعیت آنزیمهای گوارشی، به منظور بکارگیری تکنیکهای نوین، در کنترل آفت ضروری است. روده میانی در این حشره به چهار قسمت (1m تا 4m) تقسیم میشود که از لحاظ مرفولوژیک متفاوتند و مقدار pH هریک از سمت جلو به سمت عقب (1m تا 4m) به ترتیب بصورت 1/0±04/6، 13/0±22/6، 1/0±6 و 12/0±1/6 بدست آمد...
BACKGROUND Macrophage-mediated chronic inflammation is mechanistically linked to insulin resistance and atherosclerosis. Although arginase I is considered antiinflammatory, the role of arginase II (Arg-II) in macrophage function remains elusive. This study characterizes the role of Arg-II in macrophage inflammatory responses and its impact on obesity-linked type II diabetes mellitus and atheros...
We have investigated the mechanism by which cultured endothelial cells generate L-arginine (L-Arg), the substrate for the biosynthesis of endothelium-derived relaxing factor. When Arg-depleted endothelial cells were incubated in Krebs' solution for 60 min, L-Arg levels were significantly (9.7-fold) elevated. The generation of L-Arg coincided with a substantial decrease (90%) in intracellular L-...
An importantpart of dialoguemanagementin a dialoguesystemis topicmanagementThe systemhas to keep track of topic aspects (current topic, context, obligations,. . . ) in order to be able to resolve ambiguities and to respond in a cooperative and sensible way. In the project, we are developing a system that takes part in a conversation about theater performances and is able to make ticket reservat...
The yeast Kex2 protease is regarded as the prototype of the eukaryotic family of subtilisin-like serine proteases involved in processing after dibasic amino acid sequences. Here we investigate the specificity of Kex2 using recombinant human proalbumin variants. Proalbumins with the processing site sequences Arg-Arg and Lys-Arg were cleaved after the dibasic sequence at approximately the same ra...
We investigated the amino acid sequence requirements for intracellular cleavage of the Rous sarcoma virus glycoprotein precursor by introducing mutations into the region encoding the cleavage recognition site (Arg-Arg-Lys-Arg). In addition to mutants G1 (Arg-Arg-Glu-Arg) and Dr1 (deletion of all four codons) that we have reported on previously (L. G. Perez and E. Hunter, J. Virol. 61:1609-1614,...
Strains arg-1T (T = type strain) and arg-2T, two new strains of extremely halophilic archaea, were isolated from the soils of the Argentine salt flats. The taxonomic features of arg-1T were similar to, but distinct from, those of the type strain of Haloarcula vallismortis and other Haloarcula species. On the 16S rRNA phylogenetic tree, strain arg-1T formed a cluster together with Haloarcula spe...
Section:ChooseTop of pageAbstract <<1.CRISIS Y LITERATURA ARG...2.EL GRITO3.LA INTEMPERIEBIBLIOGRAFÍA
The occurrence of ethyl carbamate (EC) in fortified wines was studied testing different model under accelerated ageing (45 °C for 4 months and 70 1 month), to investigate the possibility arginine (Arg) being a direct precursor EC wines, comparing it with known major precursors, urea citrulline (Cit). Wine main sugars were appraised as possible catalysts, previously pointed out. Model showed tha...
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