Research Topics
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Publications
Common origin and evolution of glycosyltransferases using Dol-P-monosaccharides as donor substrateRafael Oriol
INSERM U504, University of Paris Sud XI, Villejuif, France
Mol Biol Evol 19:1451-63. 2002....
[Autophagy in cell survival and death]Patrice Codogno
INSERM U504, Institut André Lwoff Université Paris XI, 16, avenue Paul Vaillant Couturier, 94807 Villejuif Cedex
J Soc Biol 199:233-41. 2005..Starvation-induced autophagy is an anti-apoptotic mechanism. However autophagy is also an alternative to apoptosis through autophagic cell death. In many situations apoptosis and autophagy can both contribute to cell dismantlement...
Autophagy and signaling: their role in cell survival and cell deathP Codogno
1INSERM U504, Glycobiologie et Signalisation Cellulaire, Institut Andre Lwoff, 16 Avenue Paul Vaillant Couturier, 94807 Villejuif Cedex, France
Cell Death Differ 12:1509-18. 2005..Macroautophagy is activated by signaling pathways that also control apoptosis. The aim of this review is to discuss the signaling pathways that control macroautophagy during cell survival and cell death...
Regulation of autophagy by sphingosine kinase 1 and its role in cell survival during nutrient starvationGregory Lavieu
INSERM U504, Institut Andre Lwoff, 94807 Villejuif Cedex, France, INSERM U756, Faculte de Pharmacie, Universite Paris Sud, 92296 Chatenay Malabry, France
J Biol Chem 281:8518-27. 2006..In conclusion, these results show that SK1(S1P)-induced autophagy protects cells from death with apoptotic features during nutrient starvation...
Is autophagy the key mechanism by which the sphingolipid rheostat controls the cell fate decision?Gregory Lavieu
INSERM U504, Institut Andre Lwoff, Villejuif, France
Autophagy 3:45-7. 2007..We have shown that both sphingolipids are able to trigger autophagy with opposing outcomes on cell survival. Here we discuss and speculate on the diverging functions of the autophagic pathways induced by ceramide and S1P, respectively...
Ceramide-mediated macroautophagy involves inhibition of protein kinase B and up-regulation of beclin 1Francesca Scarlatti
INSERM U504, 16 Avenue Paul Vaillant Couturier, 94807 Villejuif Cedex, France
J Biol Chem 279:18384-91. 2004..In conclusion, the control of macroautophagy by ceramide provides a novel function for this lipid mediator in a cell process with major biological outcomes...
The nucleotide-sugar transporter family: a phylogenetic approachIvan Martinez-Duncker
INSERM U504 Glycobiologie et Signalisation Cellulaire, Universite de Paris Sud XI, 16, avenue Paul Vaillant Couturier, 94807 Villejuif, France
Biochimie 85:245-60. 2003....
Defect of N-glycosylation is not directly related to congenital disorder of glycosylation Ia fibroblast sensitivity to staurosporine-induced cell deathGregory Lavieu
INSERM Unité 504, Batiment INSERM, 94807 Villejuif Cedex, France
Pediatr Res 58:254-7. 2005..These results show that the sensitivity of CDGIa fibroblasts to apoptosis is not directly related to their defective N-glycosylation...
Autophagy: a barrier or an adaptive response to cancerEric Ogier-Denis
INSERM U504 Glycobiologie et Signalisation Cellulaire, , 16 avenue Paul-Vaillant-Couturier, 94807 Villejuif Cedex, France
Biochim Biophys Acta 1603:113-28. 2003..Autophagy is also involved in the elimination of cancer cells by triggering a non-apoptotic cell death program, suggesting a negative role in tumor development. These two aspects of autophagy will be discussed in this review...
The G-protein regulator AGS3 controls an early event during macroautophagy in human intestinal HT-29 cellsSophie Pattingre
INSERM U504, 16 Avenue Paul Vaillant Couturier, 94807 Villejuif Cedex, France
J Biol Chem 278:20995-1002. 2003..These data demonstrate that AGS3 is a novel partner of the Galphai3 protein in the control of a major catabolic pathway...
Congenital disorders of glycosylation type Ig is defined by a deficiency in dolichyl-P-mannose:Man7GlcNAc2-PP-dolichyl mannosyltransferaseIsabelle Chantret
Unité de Glycobiologie et Signalisation Cellulaire, INSERM U504, Batiment INSERM, 16 Avenue Paul Vaillant Couturier, 94807 Villejuif, France
J Biol Chem 277:25815-22. 2002....
Nutrient sensing: TOR's RagtimeAlfred J Meijer
Nat Cell Biol 10:881-3. 2008
Regulation and role of autophagy in mammalian cellsAlfred J Meijer
Department of Biochemistry, Academic Medical Center, University of Amsterdam, Meibergreef 15, 1105 AZ Amsterdam, The Netherlands
Int J Biochem Cell Biol 36:2445-62. 2004..The aim of the present review is to give an overview of autophagy and to discuss its regulation by activators and effectors of mTOR and GTPases...
Autophagy signaling and the cogwheels of cancerJoelle Botti
INSERM U756, Faculte de Pharmacie, Universite Paris Sud, 92296 Chatenay Malabry, France
Autophagy 2:67-73. 2006..However, cancer cells sometimes mobilize autophagic capacities in response to various stimuli without a fatal outcome, suggesting that they can also exploit macroautophagy for their own benefit...
Diversity of signaling controls of macroautophagy in mammalian cellsAnne Petiot
Department of Biochemistry, University of Geneva, Science II, 30 Quai Ernest Ansermet, 1211 Geneva, Switzerland
Cell Struct Funct 27:431-41. 2002..Whether or not these different signaling pathways converge to a unique point to trigger the formation of autophagic vacuole remains an open question...
[PI3 kinases and the control of autophagia]Daniel Meley
INSERM U756, , , ,
Bull Cancer 93:439-44. 2006..However, cancer cells sometimes mobilize autophagic capacities in response to various stimuli, suggesting that they can also exploit autophagy for their own benefit...
AMP-activated protein kinase and autophagyAlfred J Meijer
Department of Medical Biochemistry, Academic Medical Center, Amsterdam, The Netherlands
Autophagy 3:238-40. 2007..The data suggest that in mammalian cells, as in yeast, AMPK is required for autophagy...
Macroautophagy: protector in the diabetes drama?Alfred J Meijer
Department of Medical Biochemistry, Academic Medical Center, Amsterdam, The Netherlands
Autophagy 3:523-6. 2007..We discuss the possibility that this may be a useful mechanism for eliminating damaged mitochondria and other cell structures to prevent cell death...
Regulation of macroautophagy by mTOR and Beclin 1 complexesSophie Pattingre
INSERM U756, 5 Rue Jean Baptiste Clement, 92296 Chatenay Malabry, France
Biochimie 90:313-23. 2008..Taken together, these data suggest that multiple signaling checkpoints are involved in regulating autophagosome formation...
Guidelines for the use and interpretation of assays for monitoring autophagy in higher eukaryotesDaniel J Klionsky
Life Sciences Institute, University of Michigan, Ann Arbor, Michigan 48109 2216, USA
Autophagy 4:151-75. 2008..In addition, we emphasize that no individual assay is guaranteed to be the most appropriate one in every situation, and we strongly recommend the use of multiple assays to verify an autophagic response...
[Autophagy: a new concept in cancer research]Séverine Lorin
INSERM, U756, Chatenay Malabry, France
Bull Cancer 95:43-50. 2008..This response can either be a mechanism allowing cell survival or a mechanism promoting cell death. The aim of this article is to summarize recent progress focusing on the dual role of autophagy in cancer...
Regulation of autophagy by cytoplasmic p53Ezgi Tasdemir
INSERM, U848, France
Nat Cell Biol 10:676-87. 2008..These results provide evidence of a key signalling pathway that links autophagy to the cancer-associated dysregulation of p53...
Celecoxib induces apoptosis by inhibiting 3-phosphoinositide-dependent protein kinase-1 activity in the human colon cancer HT-29 cell lineSebastien Arico
INSERM U504 Glycobiologie et Signalisation Cellulaire 16 avenue Paul-Vaillant-Couturier, Villejuif Cedex 94807, France
J Biol Chem 277:27613-21. 2002..5 microm. These data indicate that inhibition of PDK1 signaling is involved in the proapoptotic effect of celecoxib in HT-29 cells...
Autophagy and CD4+ T lymphocyte destruction by HIV-1Lucile Espert
Laboratoire Infections Retrovirales et Signalisation Cellulaire, CNRS UM1 UMR 5121, Institut de Biologie, 4 Boulevard Henri IV, Montpellier 34000, France
Autophagy 3:32-4. 2007..Here, we proposed hypotheses about the significance of Env-induced Beclin 1 accumulation in CD4+ T cell death and about the role of autophagy in HIV-1 infected cells depending on the coreceptor involved...
[Autophagy and CD4 T lymphocyte destruction by HIV-1]Lucile Espert
Med Sci (Paris) 22:677-8. 2006
Autophagy is involved in T cell death after binding of HIV-1 envelope proteins to CXCR4Lucile Espert
Laboratoire Infections Retrovirales et Signalisation Cellulaire, CNRS UMR 5121, Institut de Biologie, Montpellier, France
J Clin Invest 116:2161-72. 2006..These results suggest that HIV-infected cells can induce autophagy in bystander CD4+ T lymphocytes through contact of Env with CXCR4, leading to apoptotic cell death, a mechanism most likely contributing to immunodeficiency...
Autophagy and p70S6 kinaseDaniel J Klionsky
University of Michigan, Life Sciences Institute, Ann Arbor, Michigan, USA
Autophagy 1:59-60; discussion 60-1. 2005
Autophagy and caspase-independent cell death: p19ARF enters the gamePatrice Codogno
INSERM U756, , , , France
Dev Cell 10:688-9. 2006..The prodeath function of smARF is dependent on the induction of autophagy...
Increase in ceramide level alters the lysosomal targeting of cathepsin D prior to onset of apoptosis in HT-29 colon cancer cellsDaniela De Stefanis
Dipartimento di Medicina ed Oncologia Sperimentale, , Italy
Biol Chem 383:989-99. 2002..These data indicate that alteration of CD (and possibly of other glycoproteins) transport along the secretory pathway due to increased levels of cell-associated ceramide is an early event in cells undergoing apoptosis...
Lysosomes and lysosomal proteins in cancer cell death (new players of an old struggle)Claudine Tardy
INSERM U466, Laboratoire de Biochimie, Institut Louis Bugnard, Centre Hospitalier Universitaire de Rangueil, BP 84225, 31432 Toulouse, France
Biochim Biophys Acta 1765:101-25. 2006..Elucidation of this role and the underlying mechanisms will shed a new light on these 'old' organelles and hopefully pave the way for the development of novel anticancer strategies...
PK11195 potently sensitizes to apoptosis induction independently from the peripheral benzodiazepin receptorRosa-Ana Gonzalez-Polo
1Centre National de la Recherche Scientifique, UMR8125, Institut Gustave Roussy, Pavillon de Recherche 1, 39 rue Camille-Desmoulins, 94805 Villejuif, France
Oncogene 24:7503-13. 2005..Thus, PK11195 potently sensitizes to apoptosis via a pathway that involves mitochondria, yet does not involve the PBR...
Inhibition of macroautophagy triggers apoptosisPatricia Boya
CNRS UMR 8125, Institut Gustave Roussy, Pavillon de Recherche 1, 39 rue Camille Desmoulins, F 94805 Villejuif, France
Mol Cell Biol 25:1025-40. 2005..All together, these data indicate that autophagy may be cytoprotective, at least under conditions of nutrient depletion, and point to an important cross talk between type 1 and type 2 cell death pathways...
