نتایج جستجو برای: ins
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مقدمه: یکی از اعضای خانواده ی ژن رمزگذار دومن ایمونوگلوبولینی و موسینی سلول t، 1-tim، در ناحیه ی 33-31q5 واقع شده است. ناحیه ای که ارتباط آن با نمو سلول های 2th (2t helpers) و بیماری های آلرژیک اثبات شده است. پلی مورفیسم (ins/del) 5397-5383 می تواند موجب تغییر طول مولکول 1-tim شود. هدف از این مطالعه، بررسی ارتباط بین یک پلی مورفیسم در 1-tim، با نام (ins/del) 5397-5383 و آمادگی ابتلا به آسم در ب...
امروزه با توجه به ویژگی های تکاملی سیستم تعیین موقعیت جهانی (gps) و سیستم ناوبری اینرشیال (ins)، می توان از تلفیق این دو سیستم در ناوبری شهری استفاده نمود. با تلفیق این دو سیستم می توان موقعیت وسیله نقلیه را به صورت پیوسته و قابل اطمینان تعیین نمود. در فضاهای باز و هنگام رویت بیش از چهار ماهواره، تلفیق مزدوج ضعیف با استفاده از فیلتر کالمن متداول ترین روش تلفیق می باشد. اما با کاهش ماهواره ها در...
Regulation of Cl(-) channel conductance by Ins(3,4,5,6)P(4) provides receptor-dependent control over salt and fluid secretion, cell volume homeostasis, and electrical excitability of neurones and smooth muscle. Ignorance of how Ins(3,4,5,6)P(4) is synthesized has long hindered our understanding of this signaling pathway. We now show Ins(3,4,5,6)P(4) synthesis by Ins(1,3,4,5,6)P(5) 1-phosphatase...
For a detailed description of the circuitry of cortical columns at the level of single neurons, it is essential to define the identities of the cell types that constitute these columns. For interneurons (INs), we described 4 "types of axonal projection patterns" in layer 2/3 (L2/3) with reference to the outlines of a cortical column (Helmstaedter et al. 2008a). In addition we quantified the den...
Infantile nystagmus syndrome (INS) is an important clinical diagnosis because it is a common presenting sign of many ocular, neurologic, and systemic diseases. Although INS has been studied for more than a century, its diagnosis and treatment remains a challenge to clinicians because of its varied manifestations and multiple associations, and its pathogenesis continues to rouse considerable sci...
Mutations in the insulin (INS) gene may cause permanent neonatal diabetes mellitus (PNDM). Ins2 mutant mouse models provided important insights into the disease mechanisms of PNDM but have limitations for translational research. To establish a large animal model of PNDM, we generated INS transgenic pigs. A line expressing high levels of INS mRNA (70–86% of wild-type INS transcripts) exhibited e...
Mutations in the insulin (INS) gene may cause permanent neonatal diabetes mellitus (PNDM). Ins2 mutant mouse models provided important insights into the disease mechanisms of PNDM but have limitations for translational research. To establish a large animal model of PNDM, we generated INS(C94Y) transgenic pigs. A line expressing high levels of INS(C94Y) mRNA (70-86% of wild-type INS transcripts)...
A new concept regarding to the GPS/INS integration, based on artificial intelligence here is presented. Most integrated inertial navigation systems (INS) and global positioning systems (GPS) have been implemented using the Kalman filtering technique with its drawbacks related to the need for predefined INS error model and observability of at least four satellites. Most recently, an INS/GPS inte...
Insulin induces cardioprotection partly via an antiapoptotic effect. However, the optimal timing of insulin administration for the best quality cardioprotection remains unclear. We tested the hypothesis that insulin administered prior to ischemia provides better cardioprotection than insulin administration after ischemia. Isolated rat hearts were prepared using Langendorff method and divided in...
Inositol 1,4,5-trisphosphate [Ins(1,4,5)P(3)] 3-kinase catalyses the phosphorylation of Ins(1,4,5)P(3) to Ins(1,3,4,5)P(4). cDNAs encoding two isoenzymes of Ins(1,4,5)P(3) 3-kinase (3-kinases A and B) have been described previously. In the present study, we report the cloning of a full-length 2052 bp cDNA encoding a third human isoenzyme of the Ins(1,4,5)P(3) 3-kinase family, referred to as iso...
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