Search Results - "Ragab, J."

Production of Phosphatidylinositol 3,4,5-Trisphosphate and Phosphatidic Acid in Platelet Rafts:  Evidence for a Critical Role of Cholesterol-Enriched Domains in Human Platelet Activation by Bodin, Stéphane, Giuriato, Sylvie, Ragab, Jeannie, Humbel, Bruno M, Viala, Cécile, Vieu, Claude, Chap, Hugues, Payrastre, Bernard

“…Glycosphingolipid- and cholesterol-enriched membrane microdomains, called rafts, can be isolated from several mammalian cells, including platelets. These…”
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Establishment of a novel anaplastic large-cell lymphoma-cell line (COST) from a 'small-cell variant' of ALCL by LAMANT, L, ESPINOS, E, AL SAATI, T, DELSOL, G, DUPLANTIER, M, DASTUGUE, N, ROBERT, A, ALLOUCHE, M, RAGAB, J, BROUSSET, P, VILLALVA, C, GASCOYNE, R. D

“…Anaplastic large-cell lymphoma (ALCL) is a distinct biological and cytogenetic entity with a broad spectrum of morphological features (common type, small-cell…”
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In vivo effects of olive oil-based lipid emulsion on lymphocyte activation in rats by Moussa, M., Le Boucher, J., Garcia, J., Tkaczuk, J., Ragab, J., Dutot, G., Ohayon, E., Ghisolfi, J., Thouvenot, J.P.

“…Numerous studies suggest that immune function may be compromised by lipid emulsions rich in polyunsaturated fatty acids, especially linoleic acid. In our…”
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Increase in receptor-like protein tyrosine phosphatase activity and expression level on density-dependent growth arrest of endothelial cells by Gaits, F, Li, R Y, Ragab, A, Ragab-Thomas, J M, Chap, H

“…Protein tyrosine phosphatase (PTPase) activity was examined in two cell lines: human umbilical vein endothelial (HUVE) cells, which display contact inhibition…”
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Annexin 5 as a potential regulator of annexin 1 phosphorylation by protein kinase C : in vitro inhibition compared with quantitative data on annexin distribution in human endothelial cells by RAYNAL, P, HULLIN, F, RAGAB-THOMAS, J. M. F, FAUVEL, J, CHAP, H

“…In vitro phosphorylation of annexin 1 by purified rat brain protein kinase C (PKC) has been studied in the presence of annexin 5, which is not a substrate for…”
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Effect of dexamethasone on prostaglandin synthesis and on lipocortin status in human endothelial cells. Inhibition of prostaglandin I2 synthesis occurring without alteration of arachidonic acid liberation and of lipocortin synthesis by HULLIN, F, RAYNAL, P, RAGAB-THOMAS, J. M. F, FAUVEL, J, CHAP, H

“…Glucocorticoids have been shown to decrease prostaglandin I2 synthesis in human endothelial cells, suggesting the possible involvement of lipocortin in the…”
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Protein kinase C-mediated calcium entry dependent upon dihydropyridine sensitive channels: a T cell receptor-coupled signaling pathway involved in IL-4 synthesis by Savignac, M, Badou, A, Moreau, M, Leclerc, C, Guéry, J C, Paulet, P, Druet, P, Ragab-Thomas, J, Pelletier, L

“…CD4+T helper (Th) cells include effector Th1 cells, which produce interleukin 2 (IL-2) and interferon gamma (IFN- gamma ), and IL-4-producing Th2 ceIls; these…”
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Identification, characterization and purification to near-homogeneity of a novel 67 kDa phosphotyrosyl protein phosphatase associated with pig lung annexin extract by Vicendo, P, Fauvel, J, Ragab-Thomas, J M, Chap, H

“…During the purification of annexin VI from pig lung, we previously reported the isolation of another 67 kDa protein (protein 67E) differing from the former by…”
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Water disinfection with the hydrogen peroxide-ascorbic acid-copper (II) system by N J Ragab-Depre

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Translocation of an SH2-containing protein tyrosine phosphatase (SH-PTP1) to the cytoskeleton of thrombin-activated platelets by Li, Ruo Ya, Gaits, Frédérique, Ragab, Ashraf, Ragab-Thomas, Jeannie M.F., Chap, Hugues

“…A significant protein tyrosine phosphatase (PTP) activity was found to be associated with the cytoskeleton of thrombin-stimulated platelets. Translocation of…”
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Morphological and biochemical evidence for partial nuclear localization of annexin 1 in endothelial cells by Raynal, P, van Bergen en Henegouwen, P M, Hullin, F, Ragab-Thomas, J M, Fauvel, J, Verkleij, A, Chap, H

“…Using immunofluorescence, an affinity-purified anti-annexin-1 polyclonal antibody showed both cytoplasmic and nuclear staining, whereas antibodies against…”
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Protein tyrosine phosphatase SHP-1 fails to associate with cytoskeleton but is normally phosphorylated upon thrombin stimulation of thrombasthenic platelets by Li, R Y, Gaits, F, Ragab-Thomas, J M, Maclouf, J, Caen, J P, Lévy-Toledano, S, Chap, H

“…SHP-1 is a cytoplasmic protein tyrosine phosphatase predominantly expressed in hematopoietic cells. Upon thrombin stimulation of human platelets, SHP-1 is…”
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Thrombin-induced redistribution of protein-tyrosine-phosphatases to the cytoskeletal complexes in human platelets by Li, R Y, Ragab, A, Gaits, F, Ragab-Thomas, J M, Chap, H

“…Human platelets provide an attractive model for studying the regulation of tyrosine phosphorylations and cell-cell adhesion. Major non-receptor…”
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Relationship between the fatty acid composition of rat lymphocytes and immune functions by Moussa, Marguerite, Tkaczuk, Jean, Ragab, Jeannie, Garcia, Jésus, Abbal, Michel, Ohayon, Elie, Ghisolfi, Jacques, Thouvenot, Jean-Paul

“…The effects of dietary lipids on the fatty acid composition, activation and proliferation of lymphocytes were investigated. Weanling male Wistar rats were fed…”
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Implication of a protein-tyrosine-phosphatase in human lung cancer by Gaits, F, Li, R Y, Ragab, A, Selves, J, Ragab-Thomas, J M, Chap, H

“…Protein tyrosyl phosphorylation plays an essential role in regulating cellular events such as proliferation, differentiation and oncogenesis. The recent…”
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Inhibition of intraocular fibrin formation with annexin V by Chollet, P, Malecaze, F, Hullin, F, Raynal, P, Arne, J L, Pagot, V, Ragab-Thomas, J, Chap, H

“…Annexin V is a member of the calcium- and phospholipid-binding proteins, known to have an antithrombotic effect. For the first time, we have tested its ability…”
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Expression of a truncated protein-tyrosine phosphatase mRNA in human lung by Vries, Luc De, Li, Ruo-Ya, Ragab, Ashraf, Ragab-Thomas, Jeannie M.F., Chap, Hugues

“…Protein-tyrosine phosphatases (PTPases) are becoming an important family of enzymes that might regulate key events in cell growth and transformation. While…”
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Pathways of arachidonic acid liberation in thrombin and calcium ionophore A23187-stimulated human endothelial cells: respective roles of phospholipids and triacylglycerol and evidence for diacylglycerol generation from phosphatidylcholine by Ragab-Thomas, J M, Hullin, F, Chap, H, Douste-Blazy, L

“…Cultured endothelial cells from human umbilical vein were incubated for 20 h at 37 degrees C in the presence of [U-14C]arachidonic acid. Around 60-70% of the…”
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Stimulation of 12-HETE production in human platelets by an immunomodulator, LF 1695. Evidence for activation of arachidonate liberation coupled to cyclo-oxygenase inhibition by Hullin, F, Ragab-Thomas, J M, Sepulchre, C, Pascal, M, Chap, H, Douste-Blazy, L

“…Upon incubation with human platelets previously labelled with [14C]arachidonic acid, a new immunomodulator, LF 1695, induced the accumulation of…”
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The Tyrosine Phosphatase 1B Regulates Linker for Activation of T-cell Phosphorylation and Platelet Aggregation upon FcγRIIa Cross-linking by Ragab, Ashraf, Bodin, Stéphane, Viala, Cécile, Chap, Hugues, Payrastre, Bernard, Ragab-Thomas, Jeannie

“…Human platelets express the receptor for immunoglobulin G, FcγRIIa, that triggers cell aggregation upon interaction with immune complexes. Here, we report that…”
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