Results 101 to 110 of about 2,866 (140)
Integrative Structure of Norovirus NS3 Suggests a Role in RNA Transport
Haas M +12 more
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Biochemistry, 1986
Two conflicting interpretations on the role of guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) in microtubule protein and tubulin assembly have been previously reported. One study finds that GTP gamma S promotes assembly while another study reports that GTP gamma S is a potent inhibitor of microtubule assembly.
S, Roychowdhury, F, Gaskin
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Two conflicting interpretations on the role of guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) in microtubule protein and tubulin assembly have been previously reported. One study finds that GTP gamma S promotes assembly while another study reports that GTP gamma S is a potent inhibitor of microtubule assembly.
S, Roychowdhury, F, Gaskin
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Biochemical and Biophysical Research Communications, 1992
To determine whether direct stimulation of endothelial G-proteins causes relaxations of the underlying vascular smooth muscle, the effects of guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) and sodium fluoride were studied in porcine coronary arteries and endothelial cells.
Shibano, T +3 more
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To determine whether direct stimulation of endothelial G-proteins causes relaxations of the underlying vascular smooth muscle, the effects of guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) and sodium fluoride were studied in porcine coronary arteries and endothelial cells.
Shibano, T +3 more
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The Journal of Clinical Endocrinology & Metabolism, 1995
Putative melatonin receptors in normal kidney cortical tissues of patients with transitional cell carcinoma or renal cell carcinoma were characterized using a melatonin agonist, 2-[125I]iodomelatonin, as the radioligand. 2-[125I]Iodomelatonin-binding sites in the human kidney were stable, saturable, reversible, and of high affinity.
Y, Song +4 more
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Putative melatonin receptors in normal kidney cortical tissues of patients with transitional cell carcinoma or renal cell carcinoma were characterized using a melatonin agonist, 2-[125I]iodomelatonin, as the radioligand. 2-[125I]Iodomelatonin-binding sites in the human kidney were stable, saturable, reversible, and of high affinity.
Y, Song +4 more
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Biochemistry, 1987
Addition of the guanine nucleotide analogue guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) to [3H]inositol-labeled NRK cell homogenates resulted in rapid breakdown of cellular polyphosphoinositides. GTP gamma S stimulated phospholipase C, resulting in a more than 4-fold increase in the hydrolysis rates of phosphatidylinositol 4-phosphate (PIP) and ...
S B, Chahwala +2 more
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Addition of the guanine nucleotide analogue guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) to [3H]inositol-labeled NRK cell homogenates resulted in rapid breakdown of cellular polyphosphoinositides. GTP gamma S stimulated phospholipase C, resulting in a more than 4-fold increase in the hydrolysis rates of phosphatidylinositol 4-phosphate (PIP) and ...
S B, Chahwala +2 more
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Journal of Allergy and Clinical Immunology, 1992
The roles of Ca and G proteins in granule release from human eosinophils were examined by use of a patch-clamp technique in single cells. The morphologic changes and the release of eosinophil peroxidase (EPO) from single cells were simultaneously observed. In addition, the expression of small molecular weight guanine nucleotide binding protein (small G
T, Aizawa +8 more
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The roles of Ca and G proteins in granule release from human eosinophils were examined by use of a patch-clamp technique in single cells. The morphologic changes and the release of eosinophil peroxidase (EPO) from single cells were simultaneously observed. In addition, the expression of small molecular weight guanine nucleotide binding protein (small G
T, Aizawa +8 more
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Naunyn-Schmiedeberg's Archives of Pharmacology, 1994
The effects of caffeine on cytoplasmic Ca2+ oscillations induced by carbachol and guanosine 5'-O-(3-thiotriphosphate) (GTP-gamma-S) were studied in individual mouse pancreatic beta-cells clamped at a hyperpolarized potential. Addition of 10 mM caffeine did not affect the cytoplasmic Ca2+ concentration ([Ca2+]i) in beta-cells exposed to 20 mM glucose ...
P E, Lund, E, Gylfe
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The effects of caffeine on cytoplasmic Ca2+ oscillations induced by carbachol and guanosine 5'-O-(3-thiotriphosphate) (GTP-gamma-S) were studied in individual mouse pancreatic beta-cells clamped at a hyperpolarized potential. Addition of 10 mM caffeine did not affect the cytoplasmic Ca2+ concentration ([Ca2+]i) in beta-cells exposed to 20 mM glucose ...
P E, Lund, E, Gylfe
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Archives of Biochemistry and Biophysics, 1989
The stable nucleotide analog guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) was found to be a very potent activator of 5-lipoxygenase in cell-free preparations from rat polymorphonuclear (PMN) leukocytes, causing a 10-fold stimulation of arachidonic acid oxidation at concentrations as low as 0.5-1 microM.
D, Denis, L Y, Choo, D, Riendeau
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The stable nucleotide analog guanosine 5'-O-(3-thiotriphosphate) (GTP gamma S) was found to be a very potent activator of 5-lipoxygenase in cell-free preparations from rat polymorphonuclear (PMN) leukocytes, causing a 10-fold stimulation of arachidonic acid oxidation at concentrations as low as 0.5-1 microM.
D, Denis, L Y, Choo, D, Riendeau
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Biochemistry, 1984
The stimulatory GTP-binding protein (Gs) of adenylate cyclase, purified from rabbit liver, and beta-adrenergic receptors, partially purified 1000-4000-fold from turkey erythrocyte plasma membranes, were coreconstituted into unilamellar phospholipid vesicles.
T, Asano +3 more
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The stimulatory GTP-binding protein (Gs) of adenylate cyclase, purified from rabbit liver, and beta-adrenergic receptors, partially purified 1000-4000-fold from turkey erythrocyte plasma membranes, were coreconstituted into unilamellar phospholipid vesicles.
T, Asano +3 more
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General and Comparative Endocrinology, 1997
Characteristics, guanosine 5'-O-(3-thiotriphosphate) (GTPgammaS) modulation, daily variation, and localization of melatonin-binding sites in the brain of a nocturnal teleost, the catfish Silurus asotus, were studied by radioreceptor assay using 2-[125I]iodomelatonin as the radioligand.
M, Iigo +7 more
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Characteristics, guanosine 5'-O-(3-thiotriphosphate) (GTPgammaS) modulation, daily variation, and localization of melatonin-binding sites in the brain of a nocturnal teleost, the catfish Silurus asotus, were studied by radioreceptor assay using 2-[125I]iodomelatonin as the radioligand.
M, Iigo +7 more
openaire +2 more sources