Search Results - "Quignard, JF"

Quercetin potentiates insulin secretion and protects INS-1 pancreatic [beta]-cells against oxidative damage via the ERK1/2 pathway by Youl, E, Bardy, G, Magous, R, Cros, G, Sejalon, F, Virsolvy, A, Richard, S, Quignard, JF, Gross, R, Petit, P, Bataille, D, Oiry, C

“…BACKGROUND AND PURPOSE Quercetin lowers plasma glucose, normalizes glucose tolerance tests and preserves pancreatic [beta]-cell integrity in diabetic rats…”
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Quercetin potentiates insulin secretion and protects INS‐1 pancreatic β‐cells against oxidative damage via the ERK1/2 pathway by Youl, E, Bardy, G, Magous, R, Cros, G, Sejalon, F, Virsolvy, A, Richard, S, Quignard, JF, Gross, R, Petit, P, Bataille, D, Oiry, C

“…BACKGROUND AND PURPOSE Quercetin lowers plasma glucose, normalizes glucose tolerance tests and preserves pancreatic β‐cell integrity in diabetic rats. However,…”
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Involvement of oxidative stress and calcium signaling in airborne particulate matter - induced damages in human pulmonary artery endothelial cells by Deweirdt, J., Quignard, J.F., Crobeddu, B., Baeza-Squiban, A., Sciare, J., Courtois, A., Lacomme, S., Gontier, E., Muller, B., Savineau, J.P., Marthan, R., Guibert, C., Baudrimont, I.

“…Recent studies have revealed that particulate matter (PM) exert deleterious effects on vascular function. Pulmonary artery endothelial cells (HPAEC), which are…”
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Phosphoinositide 3-Kinase γ Mediates Angiotensin II-induced Stimulation of L-type Calcium Channels in Vascular Myocytes by Quignard, Jean-François, Mironneau, Jean, Carricaburu, Valérie, Fournier, Bernard, Babich, Aleksei, Nürnberg, Bernd, Mironneau, Chantal, Macrez, Nathalie

“…Previous results have shown that in rat portal vein myocytes the βγ dimer of the G13 protein transduces the angiotensin II-induced stimulation of calcium…”
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Phosphoinositide 3-Kinase Isoforms Selectively Couple Receptors to Vascular L-Type Ca2+ Channels by Macrez, Nathalie, Mironneau, Chantal, Carricaburu, Valérie, Quignard, Jean-François, Babich, Aleksei, Czupalla, Cornelia, Nürnberg, Bernd, Mironneau, Jean

“…Heterodimeric class I phosphoinositide 3-kinase (PI3K) has been shown to be involved in the stimulation of voltage-gated Ca channels by various mediators. In…”
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Potassium ions and endothelium‐derived hyperpolarizing factor in guinea‐pig carotid and porcine coronary arteries by Quignard, Jean‐François, Félétou, Michel, Thollon, Catherine, Vilaine, Jean‐Paul, Duhault, Jacques, Vanhoutte, Paul M

“…Experiments were designed to determine in two arteries (the guinea‐pig carotid and the porcine coronary arteries) whether or not the endothelium‐derived…”
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Transient down-regulation of L-type Ca2+ channel and dystrophin expression after balloon injury in rat aortic cells by QUIGNARD, Jean-Francois, HARRICANE, Marie-Cécile, MENARD, Claudine, LORY, Philippe, NARGEOT, Joël, CAPRON, Loïc, MORNET, Dominique, RICHARD, Sylvain

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K+ Channels in Cultured Bovine Retinal Pericytes: Effects of β-Adrenergic Stimulation by Quignard, Jean-François, Harley, Elizabeth A, Duhault, Jacques, Vanhoutte, Paul M, Félétou, Michel

“…Retinal pericytes are key cells involved in the regulation of retinal blood flow. The purpose of this work was to identify the K channel population expressed…”
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Role of endothelial cell hyperpolarization in EDHF‐mediated responses in the guinea‐pig carotid artery by Quignard, J ‐F, Félétou, M, Edwards, G, Duhault, J, Weston, A H, Vanhoutte, P M

“…Experiments were performed to identify the potassium channels involved in the acetylcholine‐induced endothelium‐dependent hyperpolarization of the guinea‐pig…”
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Stimulation of L-type Ca2+ channels by inositol pentakis- and hexakisphosphates in rat vascular smooth muscle cells by Quignard, J. F., Rakotoarisoa, L., Mironneau, J., Mironneau, C.

“…The electrophysiological effects of d -myo-inositol 1,3,4,5,6-pentakisphosphate (Ins P 5 ) and d -myo-inositol hexakisphosphate (Ins P 6 ), which represent the…”
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Voltage-gated calcium channel currents in human coronary myocytes. Regulation by cyclic GMP and nitric oxide by Quignard, J F, Frapier, J M, Harricane, M C, Albat, B, Nargeot, J, Richard, S

“…Voltage-gated Ca2+ channels contribute to the maintenance of contractile tone in vascular myocytes and are potential targets for vasodilating agents. There is…”
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A novel tetrodotoxin-sensitive Na+ current in cultured human coronary myocytes by QUIGNARD, J.-F, RYCKWAERT, F, ALBAT, B, NARGEOT, J, RICHARD, S

“…Voltage-gated Na+ currents (INaS) are usually not found in arterial smooth muscle. We enzymatically isolated myocytes from the media of left coronary arteries…”
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Regulation of Ca2+ Homeostasis by Atypical Na+ Currents in Cultured Human Coronary Myocytes by Boccara, Gilles, Choby, Cécile, Frapier, Jean Marc, Quignard, Jean François, Nargeot, Joël, Dayanithi, Govindan, Richard, Sylvain

“…Primary cultured human coronary myocytes (HCMs) derived from ischemic human hearts express an atypical voltage-gated tetrodotoxin (TTX)-sensitive sodium…”
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3-Morpholinosydnonimine (SIN-1) and K + channels in smooth muscle cells of the rabbit and guinea pig carotid arteries by Quignard, Jean-François, Félétou, Michel, Corriu, Catherine, Chataigneau, Thierry, Edwards, Gillian, Weston, Arthur H, Vanhoutte, Paul M

“…Experiments were designed to determine the subtype of K + channels activated by the nitrovasodilator 3-morpholinosydnonimine (SIN-1) in smooth muscle cells of…”
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Endothelium-Dependent Hyperpolarization to Acetylcholine in Carotid Artery of Guinea Pig: Role of Lipoxygenase by Quignard, Jean-François, Chataigneau, Thierry, Corriu, Catherine, Edwards, Gillian, Weston, Arthur, Félétou, Michel, Vanhoutte, Paul M

“…This study was designed to determine whether lipoxygenase-dependent metabolites of arachidonic acid are involved in the endothelium-dependent hyperpolarization…”
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Site-directed mutagenesis of a calcium binding site modifies specifically the different biochemical properties of annexin I by Travé, G, Cregut, D, Lionne, C, Quignard, J F, Chiche, L, Sri Widada, J, Liautard, J P

“…All the functions of annexins in vitro as well as in vivo are mediated and probably regulated by calcium. We have used recombinant annexin I, synthesized by…”
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Interdependence of phospholipid specificity and calcium binding in annexin I as shown by site-directed mutagenesis by Travé, G, Quignard, J F, Lionne, C, Sri Widada, J, Liautard, J P

“…We have mutated the lysine 128 of domain II of annexin I, which flanks a putative calcium-binding loop, into a glutamic acid residue. The properties of the…”
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