Search Results - "LEVRAT, C"

Mitochondrial contact sites. Lipid composition and dynamics by Ardail, D, Privat, J.P., Egret-Charlier, M, Levrat, C, Lerme, F, Louisot, P

“…Two membrane fractions of intermediate density between inner and outer mitochondrial membranes were isolated by density gradient centrifugation from…”
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Inactivation of wild-type p53 by a dominant negative mutant renders MCF-7 cells resistant to tubulin-binding agent cytotoxicity by GALMARINI, C. M, FALETTE, N, TABONE, E, LEVRAT, C, BRITTEN, R, VOORZANGER-ROUSSELOT, N, ROESCH-GATEAU, O, VANIER-VIORNERY, A, PUISIEUX, A, DUMONTET, C

“…The present study was performed to gain insight into the role of p53 on the cytotoxicity of tubulin-binding agents (TBA) on cancer cells. Drug sensitivity,…”
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Calcium-binding properties of the mitochondrial channel-forming hydrophobic component by Gateau-Roesch, O, Pavlov, E, Lazareva, A V, Limarenko, E A, Levrat, C, Saris, N E, Louisot, P, Mironova, G D

“…A hydrophobic, low-molecular weight component extracted from mitochondria forms a Ca2+-activated ion channel in black-lipid membranes (Mironova et al., 1997)…”
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Biosynthesis of dolichyl pentasaccharide diphosphate in calf pancreas microsomes by Sasak, W, Levrat, C, Warren, C D, Jeanloz, R W

“…Incubation of synthetic dolichyl pyrophosphate tetrasaccharide and GDP-[14C]mannose with calf pancreas microsomes gave three lipid-linked oligosaccharides,…”
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Study of the succinate dehydrogenase activation in permeabilized mitochondria through the Ca(2+)-stimulated phospholipase A2 by Levrat, C, Louisot, P

“…The development of a mitochondrial membrane permeability triggered by the Ca(2+)-stimulation of PLA2 (phospholipase A2; EC 3.1.1.4.) and based on swelling,…”
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Formation of palmitic acid/Ca2+ complexes in the mitochondrial membrane: a possible role in the cyclosporin-insensitive permeability transition by Mironova, Galina D, Gritsenko, Elena, Gateau-Roesch, Odile, Levrat, Christiane, Agafonov, Alexey, Belosludtsev, Konstantin, Prigent, Annie France, Muntean, Danina, Dubois, Madeleine, Ovize, Michel

“…A possible role of palmitic acid/Ca2+ (PA/Ca2+) complexes in the cyclosporin-insensitive permeability transition in mitochondria has been studied. It has been…”
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A new pathogenic hypothesis for cystic fibrosis: hyperactivity of glycosyl transferases at microsomic level by Louisot, P, Levrat, C, Gilly, R

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Palmitic and stearic acids bind Ca2+ with high affinity and form nonspecific channels in black-lipid membranes. Possible relation to Ca2+-activated mitochondrial pores by Mironova, G D, Gateau-Roesch, O, Levrat, C, Gritsenko, E, Pavlov, E, Lazareva, A V, Limarenko, E, Rey, C, Louisot, P, Saris, N E

“…A mitochondrial hydrophobic component that forms Ca2+-induced nonspecific ion channels in black-lipid membranes (Mironova et al., 1997) has been purified and…”
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Distribution of glycosyltransferase activities in different compartments of mitochondria by Levrat, C, Louisot, P, Morelis, R

“…The liver mitochondria were submitted to a first swelling which allowed to get outer membranes. The mitoplasts obtained in these conditions were subject to a…”
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Increase of Mitochondrial PLA2-Released Fatty Acids Is an Early Event in Tumor Necrosis Factor α-Treated WEHI-164 Cells by Levrat, Christiane, Louisot, Pierre

“…We have previously reported that TNF induced changes in mitochondrial enzymes, one of which, succinate-dehydrogenase, is specifically activated in various…”
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PHOSPHOLIPIDS REACYLATION AND PALMITOYLCOA CONTROL TUMOUR NECROSIS FACTOR-α SENSITIVITY by George, Pascal, Ardail, Dominique, Rey, Catherine, Louisot, Pierre, Levrat, Christiane

“…From the hypothesis that in TNF-α-resistant cells the activity of mitochondrial phospholipase A2 could be reversed by a lysophospholipid acyltransferase, we…”
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A possible involvement of endogenous polyamines in the TNF-α cellular sensitivity by George, Pascal, Louisot, Pierre, Levrat, Christiane

“…A critical step in the cytotoxic action mechanism of tumor necrosis factor-α (TNF-α) involves, among mitochondrial dysfunctions, an early change of the inner…”
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Dual localization of the mitochondrial phospholipase A2: outer membrane contact sites and inner membrane by Levrat, C, Louisot, P

“…Mitochondria were fractionated according to a procedure which allowed to get free outer and inner membrane plus two distinct contact sites between the two…”
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Biosynthesis of pulmonary glycoconjugates. Mechanism of glucosylation of protein and lipid acceptors by Levrat, C, Louisot, P

“…In sheep lung microsomes, we have shown that glucosyl-transferases catalize the transfer of glucose from UDP-glucose into four different acceptors. The…”
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Characterization of the submitochondrial compartments: study of the site of synthesis of dolichol and dolichol-linked sugars by Ardail, D, Louisot, P, Levrat, C

“…The fractionation of mitochondrial membranes on discontinuous sucrose gradient leads to the obtaining of free outer membranes, free inner membranes and two…”
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Topological investigations. Study of the trypsin sensitivity of the N-acetylglucosaminyl and mannosyl-transferase activities located in the outer mitochondrial membrane by Levrat, C, Louisot, P, Morelis, R

“…The trypsin sensitivity of the mitochondrial N-acetylglucosaminyl and mannosyltransferase activities involved in the N-glycoprotein biosynthesis through…”
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Tumor necrosis factor induces activation of mitochondrial succinate dehydrogenase by Levrat, C, Larrick, J W, Wright, S C

“…We have studied TNF-induced changes in mitochondrial enzymes. One enzyme, succinate dehydrogenase (SDH), is specifically activated in TNF sensitive cells…”
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Mannosylation of lipid and protein acceptors in sheep lung microsomes by Levrat, C, Louisot, P

“…In Sheep lungs, we have shown that a mannosyl-transferase activity is involved at microsomal level. This enzymatic system is able to catalyze the incorporation…”
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Biosynthesis of glycoproteins in pulmonary parenchyma. II. Galactosyltransferase activity in pneumocyte subcellular fractions by Levrat, C, Louisot, P

“…A soluble galactosyltransferase exists in the cell sap of the alveolar cells of the lung. The optimal conditions of galactosyltransferase are: pH 6, 20 DEGREES…”
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Glycoprotein biosynthesis in lung parenchymal cells. I. Mannosyltransferase activity in the subcellular fractions of pneumocytes by Levrat, C, Louisot, P

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