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Activation of the lytic program of the Epstein–Barr virus in Burkitt's lymphoma cells leads to a two steps downregulation of expression of the proapoptotic protein BimEL, one of which is EBV-late-gene expression dependent
dc.creator | Oussaief, Lassad | |
dc.creator | Hippocrate, Aurélie | |
dc.creator | Clybouw, Cyril | |
dc.creator | Rampanou, Aurore | |
dc.creator | Ramírez Mayorga, Vanessa | |
dc.creator | Claude, Desgranges | |
dc.creator | Vasquez, Aime | |
dc.creator | Khelifa, Ridha | |
dc.creator | Joab, Irène | |
dc.date.accessioned | 2015-07-08T19:59:16Z | |
dc.date.available | 2015-07-08T19:59:16Z | |
dc.date.issued | 2009-02-28 | |
dc.identifier.citation | http://www.sciencedirect.com/science/article/pii/S0042682209001202 | |
dc.identifier.issn | 0042-6822 | |
dc.identifier.uri | https://hdl.handle.net/10669/15067 | |
dc.description | Artículo científico -- Universidad de Costa Rica, Instituto de Investigaciones en Salud. 2009 | es_ES |
dc.description.abstract | The Epstein–Barr virus (EBV) generally latently infects its target cells with expression of genes conferring resistance to apoptosis. However, the modulation of apoptotic signals during lytic cycle remains poorly understood. We show here that resulting from viral reactivation in the EBV-positive Mutu-I and Akata Burkitt's lymphoma cell lines, a two steps proteasome-dependent downregulation of expression of the proapoptotic protein BimEL occurs. The first drop might be EBV-independent, is ERK 1/2 dependent, and BimEL is phosphorylated on Ser69. A second dramatic drop of the BimEL level observed during the lytic cycle is dependent of EBV-late-gene expression, ERK 1/2 independent, and no further phosphorylation of BimEL on Ser69 occurred. These results demonstrate for the first time, that the lytic cycle contributes to downregulation of BimEL and then could add to protection against apoptosis. | es_ES |
dc.description.sponsorship | Université Paris | es_ES |
dc.description.sponsorship | Universidad de Costa Rica. Instituto de Investigaciones en Salud | es_ES |
dc.language.iso | en_US | es_ES |
dc.publisher | Virology 387 (2009) (1) p.41.49 | es_ES |
dc.source | Virology 387: 41-49 | es_ES |
dc.subject | Reactivation | es_ES |
dc.subject | EBV | es_ES |
dc.subject | Burkitt's lymphoma | es_ES |
dc.subject | BimEL | es_ES |
dc.title | Activation of the lytic program of the Epstein–Barr virus in Burkitt's lymphoma cells leads to a two steps downregulation of expression of the proapoptotic protein BimEL, one of which is EBV-late-gene expression dependent | es_ES |
dc.type | artículo original | |
dc.identifier.doi | 10.1016/j.virol.2009.02.009 | es_ES |
dc.description.procedence | UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias de la Salud::Instituto de Investigaciones en Salud (INISA) | es_ES |
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Microbiología [1171]