Philippe JEAN-PIERRE

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : François CuryPhilippe SarrazinJean-Pierre Famose
• Organismes : Laboratoire de psychologie cognitive Sport et Environnement Social Mouvement, Équilibre, Performance, Santé
• Publié dans European Yearbook of Sport Psychology le 25/05/2009

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Résumé : The purpose of this investigation was to test the predictive value of the achievement goals theory on voluntary information selection. In a first study, 86 subjects could assess their performance after a motor test. The results showed that ego-oriented subjects chose normative information if they had a high perceived ability, and rejected information if they had a low one; task-oriented subjects chose objective information regardless of their perceived ability. In a second study, 108 subjects could use information during a training period. Data confirmed the prior results for ego-oriented subjects, and showed that task-oriented subjects preferred task information if they had a low perceived ability and objective information if they had a high one.

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Fichiers liés : Cury_etal_EYSP1997.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Jean-Philippe BoulangerPascale DelécluseChristophe MaesClaire Lévy
• Organismes : Laboratoire d'océanographie dynamique et de climatologie Centre national de recherches météorologiques Laboratoire d'océanographie dynamique et de climatologie Laboratoire d'océanographie dynamique et de climatologie
• Publié dans Monthly Weather Review le 28/10/2020

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Fichiers liés : [15200493 - Monthly Weather Review] Long Equatorial Waves in a High-Resolution OGCM Simulation of the Tropical Pacific Ocean during the 1985–94 TOGA Period.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Alexandre RabotPierre CabanesFaïk DriniJean-Luc LamboleyBashkim VrekajVasil BeretiSéverine ÉpellyBashkim LahiSabine LegrandMarek Titien OlszewskiIris Pojani-DhamoFrançois QuantinPhilippe LenhardtClaire BalandierJulien EspagneÉric FouacheGjiovalin GrudaSkënder MuçajPal NikolliLami KoçoSkender AliuVangjel DimoJean-Claude PoursatAnnick FenetBep JubaniGuillaume DerrienMarie MarquetArian MuçajPellumb Naipi
• Organismes : Histoire et Sources des Mondes antiques Centre de Recherche en Histoire et histoire de l'art. Italie, Pays Alpins, Interactions internationales Institut national de recherches archéologiques préventives Anthropologie et Histoire des Mondes Antiques Université Paris 1 Panthéon-Sorbonne Chercheur indépendant Institut archéologique Hellénismes d’Asie et civilisations orientales
• Publié dans Bulletin de Correspondance Hellénique le 26/10/2020

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : M BenkoussaB NominéArnaud MouchonBruno LefebvreJm BernardonPierre FormstecherPhilippe Lefebvre
• Organismes : Université de Lille Equipe Alzheimer and Tauopathies - LilNCog Thérapie cellulaire du diabète Alzheimer & Tauopathies [JPArc] Eunice Kennedy Shriver National Institute of Child Health and Human Development
• Publié dans Recept Signal Transduct . le 04/04/2024

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : M CattaneoR LombardiM ZighettiChristian GachetPhilippe OhlmannJean-Pierre CazenaveP Mannucci
• Organismes : Biologie et pharmacologie de l'hémostase et de la thrombose Biologie et pharmacologie de l'hémostase et de la thrombose
• Publié dans Thrombosis and Haemostasis le 22/10/2020

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Résumé : By the term "Primary Secretion Defect" (PSD), we mean a common heterogeneous group of congenital defects of platelet secretion, characterized by a normal primary wave of platelet aggregation induced by ADP and other agonists, a normal concentration of platelet granule contents, and normal production of thromboxane A2. The biochemical abnormalities responsible for PSD are not well known. Since a secretion defect similar to PSD is found in platelets that are severely deficient of binding sites for the ADP analogue 2MeS-ADP and do not aggregate in response to ADP, we tested the hypothesis that PSD platelets have moderately decreased 2MeS-ADP binding sites, which may be sufficient for normal ADP-induced aggregation but not for potentiating platelet secretion. The specific binding of [33P]2MeS-ADP to platelets from 3 PSD patients (347, 443 and 490 sites/platelet; KD 2.8-3.9 nM) was lower than to platelets from 24 normal subjects (647 [530-1102]; KD = 3.8 [2.3-7.3]) (median [range]). Normal values were found in a fourth PSD patient (710; KD 3.7). The degree of inhibition of PGE1-induced cAMP increase by 0.1 microM ADP was lower in patients than in controls. The secretion induced by the endoperoxide analogue U46619 from normal, acetylsalicylic acid-treated platelets under conditions that prevented the formation of large aggregates was potentiated by 1 mumol/l ADP and inhibited by apyrase. These findings indicate that a partial deficiency of the platelet ADP receptor(s) might be responsible for the defect of platelet secretion in some PSD patients and that ADP potentiates platelet secretion independently of the formation of large aggregates and thromboxane A2 production.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Philippe SchoeneichJean TercierJean-Pierre HurniChristian Orcel
• Organismes : Institut de Géographie [Lausanne]
• Publié dans Eclogae Geologicae Helvetiae le 01/11/2020

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Philippe Jean-Pierre
• Organismes : Centre d'Etudes et de Recherches Economique et Sociales de l'Université de La Réunion
• Publié dans Revue Economique le 28/10/2020

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• Type de publi. : Ouvrage (y compris édition critique et traduction)
• Date de publi. : 01/01/1997
• Auteurs : Jean-Claude BajardOlivier BeaumontJean-Marie ChesneauxMarc DaumasJocelyne ErhelDominique MichelucciJean-Michel MullerBernard PhilippeNathalie RevolJean-Louis RochJean Vignes
• Organismes : Algorithmique numérique et parallélisme Algorithmique numérique et parallélisme

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Philippe Jean-Pierre
• Organismes : Centre d'Économie et de Management de l'Océan Indien Université de La Réunion
• Publié dans Région et Développement le 28/10/2020

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/1997
• Auteurs : Marie-Pierre DehouckPaul VigneGérard TorpierJean-Philippe BreittmayerRoméo CecchelliChristian Frelin
• Organismes : Laboratoire de Physiopathologie de la Barrière Hémato-Encéphalique Institut de signalisation, biologie du développement et cancer - Institute of Developmental Biology and Cancer Régulations des réactions immunitaires et inflammatoires Laboratoire de Physiopathologie de la Barrière Hémato-Encéphalique Institut de signalisation, biologie du développement et cancer - Institute of Developmental Biology and Cancer
• Publié dans Journal of Cerebral Blood Flow and Metabolism le 01/11/2020

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Résumé : Endothelial cells and pericytes are closely associated in brain capillaries. Together with astrocytic foot processes, they form the blood-brain barrier. Capillaries were isolated from bovine brain cortex. Pure populations of endothelial cells and pericytes were isolated and cultured in vitro. Polarized monolayers of endothelial cells preferentially secreted immunoreactive endothelin-1 (Et-1) at their abluminal (brain-facing) membrane. They did not express receptors for Et-1. Pericytes expressed BQ-123-sensitive ET_A receptors for endothelins as evidenced by ¹²⁵I-Et-1 binding experiments. These receptors were coupled to phospholipase C as demonstrated by intracellular calcium measurements using indo-1-loaded cells. Addition of Et-1 to pericytes induced marked changes in the cell morphology that were associated with a reorganization of F-actin and intermediate filaments. It is concluded that Et-1 is a paracrine mediator at the bovine blood-brain barrier and that capillary pericytes are target cells for endothelium-derived Et-1.

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