Search Results - "Silvestre, RA"

Inhibitory effect of ghrelin on insulin and pancreatic somatostatin secretion by Egido, EM, Rodriguez-Gallardo, J, Silvestre, RA, Marco, J

“…OBJECTIVE: Ghrelin is a 28 amino acid residue peptide identified in both human and rat stomach and which acts as an endogenous ligand for the GH secretagogue…”
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Urotensin-II is present in pancreatic extracts and inhibits insulin release in the perfused rat pancreas by SILVESTRE, Ramona A, EGIDO, Eva M, HERNANDEZ, Raquel, LEPRINCE, Jarome, CHATENET, David, TOLLEMER, Hélène, CHARTREL, Nicolas, VAUDRY, Hubert, MARCO, José

“…Previous work from our laboratory has demonstrated that frog urotensin-II (UII), at a high concentration, inhibits glucose-induced insulin release in the rat…”
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Selective amylin inhibition of the glucagon response to arginine is extrinsic to the pancreas by Silvestre, R A, Rodríguez-Gallardo, J, Jodka, C, Parkes, D G, Pittner, R A, Young, A A, Marco, J

“…Amylin, a peptide hormone from pancreatic beta-cells, is reported to inhibit insulin secretion in vitro and in vivo and to inhibit nutrient-stimulated glucagon…”
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Interrelationship among insulin, glucagon and somatostatin secretory responses to exendin-4 in the perfused rat pancreas by Silvestre, Ramona A., Rodrı́guez-Gallardo, Jovita, Egido, Eva M., Marco, J.

“…We have investigated the effect of exendin-4 on insulin, glucagon and somatostatin output in the perfused rat pancreas. At 9 mM glucose, exendin-4 potentiated…”
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Tungstate stimulates insulin release and inhibits somatostatin output in the perfused rat pancreas by Silvestre, Ramona A., Egido, Eva M., Hernández, Raquel, Marco, José

“…In the rat pancreas, infusion of sodium-tungstate stimulates basal insulin release in a dose-dependent manner. We have studied tungstate's effects on the…”
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Inhibition of insulin release by urotensin II--a study on the perfused rat pancreas by Silvestre, R A, Rodríguez-Gallardo, J, Egido, E M, Marco, J

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Exendin-4 dose-dependently stimulates somatostatin and insulin secretion in perfused rat pancreas by Egido, E M, Silvestre, R A, Hernández, R, Marco, J

“…We have investigated the effect of exendin-4, a GLP-1 analogue, on somatostatin and insulin secretion in perfused rat pancreas. At constant glucose…”
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Stimulatory effect of xenin-8 on insulin and glucagon secretion in the perfused rat pancreas by Silvestre, Ramona A, Rodrı́guez-Gallardo, Jovita, Egido, Eva M, Hernández, Raquel, Marco, José

“…Xenin is a 25-amino acid peptide of the neurotensin/xenopsin family identified in gastric mucosa as well as in a number of tissues, including the pancreas of…”
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Effects of sodium tungstate on insulin and glucagon secretion in the perfused rat pancreas by Rodrı́guez-Gallardo, Jovita, Silvestre, Ramona A., Egido, Eva M., Marco, José

“…Both the direct effect of sodium tungstate on insulin and glucagon secretion in the perfused rat pancreas, and the insulin response to glucose and arginine in…”
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Inhibitory effect of enterostatin on the beta cell response to digestive insulinotropic peptides by RODRIGUEZ-GALLARDO, J, SILVESTRE, R. A, MARCO, J

“…We have investigated the effect of enterostatin on insulin release by the perfused rat pancreas: (1) under conditions of prolonged fasting and (2) under beta…”
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Effect of leptin on insulin, glugacon and somatostatin secretion in the perfused rat pancreas by Silvestre, R A, Rodríguez-Gallardo, J, Egido, E M, Marco, J

“…We have investigated the effect of rat leptin as well as the 22-56 fragment of this molecule on pancreatic hormone secretion in the perfused rat pancreas. In…”
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Inhibitory effect of rat amylin on the insulin responses to glucose and arginine in the perfused rat pancreas by Silvestre, R A, Peiró, E, Dégano, P, Miralles, P, Marco, J

“…Amylin, a 37-amino acid polypeptide, is the main component of amyloid deposits in the islets of Langerhans, and has been identified in the B-cell secretory…”
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Effect of enterostatin on insulin, glucagon, and somatostatin secretion in the perfused rat pancreas by R A Silvestre, J Rodríguez-Gallardo, J Marco

“…Effect of enterostatin on insulin, glucagon, and somatostatin secretion in the perfused rat pancreas. R A Silvestre , J Rodríguez-Gallardo and J Marco Puerta…”
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Amylin inhibits glucose-induced insulin secretion in a dose-dependent manner. Study in the perfused rat pancreas by Dégano, P, Silvestre, R A, Salas, M, Peiró, E, Marco, J

“…Islet amyloid polypeptide (IAPP), also called amylin, has been localized in the B-cell secretory granule and is co-secreted with insulin. We have investigated…”
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Stimulatory effect of exogenous diadenosine tetraphosphate on insulin and glucagon secretion in the perfused rat pancreas by Silvestre, Ramona A, Rodríguez‐Gallardo, Jovita, Egido, Eva M, Marco, José

“…Diadenosine triphosphate (AP3A) and diadenosine tetraphosphate (AP4A) are released by various cells (e.g. platelets and chromaffin cells), and may act as…”
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Unpacking the Role of Work Demands in Teacher Burnout: Cognitive Effort as a Protective Factor by Clarà, Marc, Vallés, Alba, Coiduras, Jordi, Silva, Patrícia, Justiniano, Bernardita, López, Tatiana, Padula, Bárbara, Barril, Juan Pablo, Cavalcante, Sílvia, Chávez, Jorge, Donoso, Diana, Marchán, Priscila, Silvestre Ramos, Fabiano, Uribe, Claudia Patricia

“…Introduction: This paper contributes to the research on teacher burnout by distinguishing between two aspects of work demands that are usually merged in the…”
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Effect of (8–32) salmon calcitonin, an amylin antagonist, on insulin, glucagon and somatostatin release: study in the perfused pancreas of the rat by Silvestre, R.A., Salas, M., Rodriguez‐Gallardo, J., Garcia‐Hermida, O., Fontela, T., Marco, J.

“…1 The 8–32 fragment of salmon calcitonin ((8–32) sCT) has been proposed as a highly selective amylin receptor antagonist. 2 In the present study, we have…”
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Reversal of the inhibitory effects of calcitonin gene-related peptide (CGRP) and amylin on insulin secretion by the 8-37 fragment of human CGRP by Silvestre, R A, Salas, M, Dégano, P, Peiró, E, Marco, J

“…The 8-37 fragment of human calcitonin gene-related peptide [(8-37)hCGRP] antagonizes the effects of calcitonin gene-related peptide (CGRP) and amylin in a…”
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Influence of glucose concentration on the inhibitory effect of amylin on insulin secretion. Study in the perfused rat pancreas by Silvestre, R.A, Rodrı́guez-Gallardo, J, Gutiérrez, E, Marco, J

“…The effect of amylin on insulin secretion is a matter of controversy. Short-term experiments have shown that amylin, at 75 pmol/l, inhibits the insulin release…”
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Inhibition of insulin release by amylin is not mediated by changes in somatostatin output by Peiró, E, Dégano, P, Silvestre, R A, Marco, J

“…We have investigated the effect of a high concentration (750 nM) of synthetic amidated rat amylin on unstimulated somatostatin and insulin secretion as well as…”
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