نتایج جستجو برای: ins
تعداد نتایج: 8911 فیلتر نتایج به سال:
Myo-inositol (Ins) is a major compatible osmolyte in many cells, including those of Mozambique tilapia (Oreochromis mossambicus). Ins biosynthesis is highly up-regulated in tilapia and other euryhaline fish exposed to hyperosmotic stress. In this study, enzymatic regulation of two enzymes of Ins biosynthesis, Ins phosphate synthase (MIPS) and inositol monophosphatase (IMPase), by direct ionic e...
We have augmented our previous studies [Storey, Shears, Kirk & Michell (1984) Nature (London) 312, 374-376] on the subcellular location and properties ofIns(l ,4,5)P3 (inositol 1,4,5-trisphosphate) phosphatases in rat liver and human erythrocytes. We also investigate Ins(1,3,4)P3 (inositol 1,3,4-trisphosphate) metabolism by rat liver. Membrane-bound and cytosolic Ins(1,4,5)P3 phosphatases both ...
The influence of highly phosphorylated inositol phosphates on the Ins(1,3,4,5)P4 3-phosphatase enriched from the soluble fraction of pig brain was tested, using [5-32P]Ins(1,3,4,5)P4 as substrate. Both Ins(1,3,4,5,6)P5 and InsP6 were very potent inhibitors of the Ins(1,3,4,5)P4 3-phosphatase. The Ki values were approximately 60 nM and approximately 3 nM for Ins(1,3,4,5,6)P5 and InsP6 respective...
Ins(1,3,4,5)P4 induced a rapid sequestration of Ca2+ into both secretory vesicles and microsomes of bovine adrenal medulla. The Ca(2+)-sequestering role of Ins(1,3,4,5)P4 contrasts with the Ca(2+)-releasing role of Ins(1,4,5)P3 in adrenal-medullary secretory vesicles and microsomes. The Ins(1,3,4,5)P4-induced Ca2+ sequestration into secretory vesicles was not inhibited by heparin (50 micrograms...
We used lightweight formal modeling and automatic analysis to explore and correct the design and implementation of the Intentional Naming System (INS). INS is a new scheme for resource discovery and service location in dynamic networks. We constructed a model of INS in Alloy, a lightweight relational notation, and analyzed it with the Alloy Analyzer (AA), a fully automatic simulation and checki...
امروزه، از سیستم ناوبری اینرسی (INS)و سیستم تعیین موقعیت جهانی (GPS)، در کاربردهای مختلف ناوبری و تعیین موقعیت استفاده میشود. هر کدام از دو سیستم نامبرده مزایا و معایبی دارند؛ تلفیق GPS/INS، در طول دو دهة اخیر، برای غلبه بر معایب هر یک از دو سیستم (مشکل لزوم وجود دید آسمانی بین آنتن گیرنده و ماهواره در GPSو مشکل افزایش سریع خطا با زمان در INS) توسعه داده شده است. در سیستمهای تلفیق از مشاهدات ...
A total of 72124 fertility records was used to estimate the genetic and phenotypic trend of fertility traits in Iranian Holstein cow from 1981 to 2007. Fertility traits in this study were: days from calving to first service (DFS), number of insemination per conception (INS), days open (DO), interval between first and last insemination (IFL), calving interval (CI) and success to first inseminati...
Accuracy of inertial navigation system (INS) is limited by inertial sensors imperfections. Before using inertial sensors signals in the data fusion algorithm, noise removal method should be performed, in which, wavelet decomposition method is used. In this method the raw data is decomposed into high and low frequency data sets. In this study, wavelet multi-level resolution analysis (WMRA) techn...
Previous reports suggested the expression of four or five different Ins(1,4,5)P3 receptor [Ins(1,4,5)P3R] isoforms in mouse cells [Ross, Danoff, Schell, Snyder and Ullrich (1992) Proc. Natl. Acad. Sci. U.S.A. 89, 4265-4269; De Smedt, Missiaen, Parys, Bootman, Mertens, Van Den Bosch and Casteels (1994) J. Biol. Chem. 269, 21691-21698]. To explore this diversity further, we have isolated and sequ...
We have previously shown that Ins(1,3,4,5)P4 is degraded to Ins(1,4,5)P3 by a soluble Ins(1,3,4,5)P4 3-phosphatase from pig brain [Höer, Kwiatkowski, Seib, Rosenthal, Schultz & Oberdisse (1988) Biochem. Biophys. Res. Commun. 154, 668-675]. Here we present some properties of this enzyme using [5-32P]Ins(1,3,4,5)P4 as substrate. The molecular mass, estimated by gel filtration chromatography on a ...
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