Search Results - "Fishman, P H"
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1
Brefeldin A blocks the response of cultured cells to cholera toxin. Implications for intracellular trafficking in toxin action
Published in The Journal of biological chemistry (05-06-1993)“…Cholera toxin (CT) consists of a pentameric B subunit which binds to ganglioside GM1 on the cell surface and an A subunit which activates adenylylcyclase. The…”
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2
Gangliosides as Bimodal Regulators of Cell Growth
Published in Proceedings of the National Academy of Sciences - PNAS (01-01-1987)“…The B subunit of cholera toxin, which binds specifically to several molecules of ganglioside galactosyl(β 1→ 3)-N-acetylgalactosyminyl(β 1→…”
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3
Neuropeptide Y inhibits cardiac adenylate cyclase through a pertussis toxin-sensitive G protein
Published in The Journal of biological chemistry (15-03-1987)“…Neuropeptide Y, a major neuropeptide and potent vasoconstrictor, inhibited isoproterenol-stimulated adenylate cyclase activity in cultured rat atrial cells as…”
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4
Filipin-Dependent Inhibition of Cholera Toxin: Evidence for Toxin Internalization and Activation through Caveolae-Like Domains
Published in The Journal of cell biology (18-05-1998)“…The mechanism by which cholera toxin (CT) is internalized from the plasma membrane before its intracellular reduction and subsequent activation of adenylyl…”
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5
Phorbol esters and beta-adrenergic agonists mediate desensitization of adenylate cyclase in rat glioma C6 cells by distinct mechanisms
Published in The Journal of biological chemistry (25-07-1985)“…Exposure of rat glioma C6 cells to either isoproterenol or 12-O-tetradecanoylphorbol 13-acetate (TPA) resulted in desensitization of isoproterenol-stimulated…”
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6
Orientation of cholera toxin bound to target cells
Published in The Journal of biological chemistry (15-08-1993)“…Cholera toxin (CT) consists of a pentameric B subunit that binds to specific cell surface receptors identified as ganglioside GM1 and an A subunit that…”
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7
Desensitization of the human beta 1-adrenergic receptor. Involvement of the cyclic AMP-dependent but not a receptor-specific protein kinase
Published in The Journal of biological chemistry (25-04-1991)“…Human SK-N-MC neurotumor cells express beta 1- but not beta 2-adrenergic receptors. Following exposure of the cells to isoproterenol, there was no reduction in…”
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8
Generation of cell surface neoganglioproteins. GM1-neoganglioproteins are non-functional receptors for cholera toxin
Published in The Journal of biological chemistry (05-05-1990)“…GM1 (II3Neu5Ac-GgOse4Cer)-oligosaccharide was prepared from the ganglioside by ozonolysis and alkaline fragmentation, reductively aminated and coupled to the…”
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9
Differential activation of the stimulatory and inhibitory guanine nucleotide-binding proteins by fluoroaluminate in cells and in membranes
Published in The Journal of biological chemistry (25-06-1990)“…Fluoroaluminate had no effect on cAMP levels in cells but inhibited agonist-stimulated cAMP accumulation. In membranes, fluoroaluminate stimulated adenylate…”
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10
A sensitive enzymatic assay for determination of cholesterol in lipid extracts
Published in Analytical biochemistry (01-11-1984)“…A procedure for the determination of free and total cholesterol in lipid extracts is described. The method for free cholesterol employs cholesterol oxidase to…”
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11
Desensitization of the beta-adrenergic receptor-coupled adenylate cyclase in cultured mammalian cells. Receptor sequestration versus receptor function
Published in The Journal of biological chemistry (15-09-1986)“…Human A431 and rat glioma C6 cells exposed to isoproterenol underwent a time- and dose-dependent loss of isoproterenol-stimulated adenylate cyclase activity…”
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12
Direct Visualization of Redistribution and Capping of Fluorescent Gangliosides on Lymphocytes
Published in The Journal of cell biology (01-11-1984)“…Fluorescent derivatives of gangliosides were prepared by oxidizing the sialyl residues to aldehydes and reacting them with fluorescent hydrazides. When…”
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13
Ganglioside Inhibition of Fibronectin-Mediated Cell Adhesion to Collagen
Published in Proceedings of the National Academy of Sciences - PNAS (01-07-1979)“…Fibronectin mediates the adhesion of cells to collagen by first binding to the collagen substrate, followed by attachment of the cells to the…”
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14
Gangliosides modulate sodium transport in cultured toad kidney epithelia
Published in The Journal of biological chemistry (25-11-1986)“…Cultured A6 epithelial cells from toad kidney form confluent monolayers with tight junctions separating the apical and basolateral membranes. These two…”
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15
Desensitization of catecholamine-stimulated adenylate cyclase and down-regulation of beta-adrenergic receptors in rat glioma C6 cells. Role of cyclic AMP and protein synthesis
Published in Molecular pharmacology (01-09-1984)“…When exposed to the beta-agonist (-)-isoproterenol, rat glioma C6 cells exhibited a time-and concentration-dependent reduction in isoproterenol responsiveness…”
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16
Incorporation of Fluorescent Gangliosides into Human Fibroblasts: Mobility, Fate, and Interaction with Fibronectin
Published in The Journal of cell biology (01-08-1984)“…Rhodamine- and fluorescein-labeled gangliosides were used as probes to investigate the distribution, dynamics, and fate of plasma membrane-bound gangliosides…”
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17
Identification and characterization of functional D1 dopamine receptors in a human neuroblastoma cell line
Published in Biochemical and biophysical research communications (30-01-1990)“…Dopamine stimulated human neuroblastoma SK-N-MC cells to accumulated cyclic AMP. The D1 agonist SKF (R)-38393 also stimulated cyclic AMP production whereas the…”
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18
Orbital ganglioglioma arising from ectopic neural tissue
Published in American journal of ophthalmology (2000)“…PURPOSE: To report a case of neonatal orbital ganglioglioma originating from ectopic neural tissue. METHOD: Case report. RESULTS: An African-American male…”
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19
Intravitreal liposome-encapsulated gentamicin in a rabbit model: prolonged therapeutic levels
Published in Investigative ophthalmology & visual science (01-07-1986)“…The authors investigated the effect of liposome encapsulation on the pharmacokinetics of gentamicin after intravitreal injection in albino rabbits, using…”
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Monoclonal IgM in a patient with paraproteinemic polyneuropathy binds to gangliosides containing disialosyl groups
Published in Annals of neurology (01-12-1985)“…Monoclonal IgM kappa from a patient with polyneuropathy associated with paraproteinemia was found to bind to several polysialogangliosides. Binding of IgM to…”
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