Search Results - "Felíu, J E"

Permeabilization of Animal Cells for Kinetic Studies of Intracellular Enzymes: In situ Behavior of the Glycolytic Enzymes of Erythrocytes by Aragon, Juan J., Feliu, Juan E., Frenkel, Rene A., Sols, Alberto

“…Intracellular enzymes in erythrocytes can be made accessible for in situ kinetic studies by treating the cells with bifunctional reagents to crosslink…”
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Transport in isolated rat hepatocytes of the phospho-oligosaccharide that mimics insulin action : effects of adrenalectomy and glucocorticoid treatment by ALVAREZ, J. F, SANCHEZ-ARIAS, J. A, GUADANO, A, ESTEVEZ, F, VARELA, I, FELIU, J. E, MATO, J. M

“…The addition to intact cells of an inositol phospho-oligosaccharide (POS), which is the polar head-group of an insulin-sensitive glycosylphosphatidylinositol,…”
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Sulfonylurea effects on acid and pepsinogen secretion in isolated rabbit gastric glands by Del Valle, Juan C, Olea, Juana, Pereda, Carmen, Gutiérrez, Yolanda, Felı́u, Juan E, Rossi, Irma

“…The influence of different sulfonylureas on the rate of acid and pepsinogen secretion was studied in isolated rabbit gastric glands. Neither tolbutamide…”
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Hormonal Control of Pyruvate Kinase Activity and of Gluconeogenesis in Isolated Hepatocytes by Felíu, Juan E., Hue, Louis, Hers, Henri-Géry

“…Treatment of isolated rat hepatocytes with saturating concentrations of glucagon caused several modifications in the kinetic properties of pyruvate kinase…”
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Inhibition of gluconeogenesis by tolbutamide in isolated rat hepatocytes: modulation of glucose-6-phosphate substrate cycle by Cabello, M A, Rodríguez-Tarduchy, G, Ortega, J L, Samper, B, Felíu, J E

“…In hepatocytes isolated from 24-hour fasted rats, the oral hypoglycemic agent tolbutamide (1 mmol/L) inhibited glucose formation from different concentrations…”
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Insulin resistance in genetically obese (fa/fa) rats: changes in the glycosyl-phosphatidylinositol signaling system in isolated hepatocytes by Sánchez-Gutiérrez, J C, Sánchez-Arias, J A, Valle, J C, Guadaño, A, Samper, B, Mato, J M, Felíu, J E

“…In different types of mammalian cells, insulin has been shown to promote the release of an inositol phosphate glycan (InsP-glycan) through the hydrolysis of a…”
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Decreased responsiveness of basal gluconeogenesis to insulin action in hepatocytes isolated from genetically obese (fa/fa) Zucker rats by Sánchez-Gutiérrez, J C, Sánchez-Arias, J A, Lechuga, C G, Valle, J C, Samper, B, Felíu, J E

“…In vivo studies have demonstrated that hepatic glucose production is poorly responsive to insulin in genetically obese Zucker rats. In this work, we have…”
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Modulation of glycogen phosphorylase activity and fructose 2,6-bisphosphate levels by glibenclamide and meglitinide in isolated rat hepatocytes: A comparative study by López-Alarcón, Luisa, Muñoz-Alonso, Maria J., Guijarro, Carmen, Feliu, Juan E.

“…The influence of glibenclamide and meglitinide, or 4-[2-(5-chloro-2-methoxybenzamide)ethyl]-benzoic acid, a compound similar to the nonsulfonylurea moiety of…”
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Molecular analysis of the aldolase B gene in patients with hereditary fructose intolerance from Spain by Sánchez-Gutiérrez, J C, Benlloch, T, Leal, M A, Samper, B, García-Ripoll, I, Felíu, J E

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Effect of sulfonylureas on hepatic glycogen metabolism: activation of glycogen phosphorylase by Mojena, M, Marcos, M L, Monge, L, Felíu, J E

“…In hepatocytes isolated from fed rats, both tolbutamide and glipizide caused a dose-dependent activation of glycogen phosphorylase, possibly by a Ca2+-mediated…”
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Effect of glipizide on hepatic fructose 2,6-bisphosphate concentration and glucose metabolism by Cabello, M A, Monge, L, Ortega, J L, Samper, B, Felíu, J E

“…Glipizide raised, in a dose-dependent manner, the concentration of fructose 2,6-bisphosphate in hepatocytes isolated from 24-hour fasted rats and incubated in…”
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Effect of adrenalectomy and glucocorticoid treatment on the levels of an insulin-sensitive glycosyl-phosphatidylinositol in isolated rat hepatocytes by Cabello, M A, Sánchez-Arias, J A, Liras, A, Mato, J M, Felíu, J E

“…Insulin resistance caused by dexamethasone administration to rats was accompanied by a marked decrease in the hepatocyte content of an insulin-sensitive…”
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A phospho-oligosaccharide mimics insulin action on glycogen phosphorylase and pyruvate kinase activities in isolated rat hepatocytes by Alvarez, J F, Cabello, M A, Felíu, J E, Mato, J M

“…A phospho-oligosaccharide which is the polar head group of a novel insulin-sensitive glycophospholipid has recently been involved in insulin action. We have…”
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Short-term regulation of glycolysis by vasoactive intestinal peptide in epithelial cells isolated from rat small intestine by Rossi, I, Monge, L, Feliu, J E

“…In epithelial cells isolated from rat small intestine, we have studied the influence of vasoactive intestinal peptide (VIP), a neurotransmitter which markedly…”
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Chlorpropamide raises fructose-2,6-bisphosphate concentration and inhibits gluconeogenesis in isolated rat hepatocytes by MONGE, L, MOJENA, M, ORTEGA, J. L, SAMPER, B, CABELLO, M. A, FELIU, J. E

“…The addition of chlorpropamide to hepatocytes isolated from fed rats raised the cellular concentration of fructose-2,6-bisphosphate (F-2,6-P2), a regulatory…”
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Involvement of both phosphatidylinositol 3-kinase and p44/p42 mitogen-activated protein kinase pathways in the short-term regulation of pyruvate kinase L by insulin by Carrillo, J J, Ibares, B, Esteban-Gamboa, A, Felíu, J E

“…Pyruvate kinase L (PK-L) is a key regulatory enzyme of the hepatic glycolytic/gluconeogenic pathway that can be dephosphorylated and activated in response to…”
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Tolbutamide enhances insulin action on gluconeogenesis and on fructose 2,6-bisphosphate levels in isolated rat hepatocytes by Monge, L, Cabello, M A, Samper, B, Mojena, M, Felíu, J E

“…In hepatocytes isolated from fed rats and incubated either under basal conditions or in the presence of glucagon, tolbutamide reduced gluconeogenesis from…”
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Inactivation of phosphofructokinase by glucagon in rat hepatocytes by J G Castaño, A Nieto, J E Felíu

“…Kinetic evidence of a time- and dose-dependent inactivation of phosphofructokinase by glucagon in isolated rat hepatocytes is reported. This inactivation,…”
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Stimulatory effect of vasoactive intestinal peptide on glycogenolysis and gluconeogenesis in isolated rat hepatocytes: antagonism by insulin by Felíu, J E, Mojena, M, Silvestre, R A, Monge, L, Marco, J

“…We have studied the effect of Vasoactive Intestinal Peptide (VIP) on glycogenolysis and gluconeogenesis (as measured by the conversion of [U-14C]pyruvate into…”
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Effect of streptozotocin diabetes on the glycolytic flux and on fructose 2,6-bisphosphate levels in isolated rat enterocytes by Rossi, I, Sánchez-Arias, J A, Felíu, J E

“…In epithelial cells isolated from rat small intestine and incubated in the presence of 1 mM glucose, streptozotocin-induced diabetes reduced, by 46 and 29%,…”
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