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Article: Toso regulates the balance between apoptotic and nonapoptotic death receptor signaling by facilitating RIP1 ubiquitination

TitleToso regulates the balance between apoptotic and nonapoptotic death receptor signaling by facilitating RIP1 ubiquitination
Authors
Issue Date2011
Citation
Blood, 2011, v. 118, n. 3, p. 598-608 How to Cite?
AbstractThe regulation of cellular survival and apoptosis is of critical importance for the immune system to maintain immune homeostasis and to establish tolerance. Here, we demonstrate that the immune specific cell surface molecule Toso exhibits antiapoptotic effects on death receptor signaling by a novel regulatory mechanism involving the adaptor kinase RIP1. The antiapoptotic function of Toso depends on RIP1 ubiquitination and involves the recruitment of the death adaptor FADD to a Toso/RIP1 protein complex. In response to CD95Land TNFα, Toso promotes the activation of MAPK and NF-κB signaling pathways. Because of this relative augmentation of survival versus apoptotic signals, Toso raises the threshold for death receptor-mediated apoptosis. Our analysis of Toso-deficient mice revealed that Toso is essential for TNFα-mediated liver damage. Furthermore, the antiapoptotic function of Toso could be blocked by a Toso-specific monoclonal antibody, opening up new therapeutic prospects for the treatment of immune disorders and hematologic malignancies. © 2011 by The American Society of Hematology.
Persistent Identifierhttp://hdl.handle.net/10722/292646
ISSN
2023 Impact Factor: 21.0
2023 SCImago Journal Rankings: 5.272
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorNguyen, Xuan Hung-
dc.contributor.authorLang, Philipp A.-
dc.contributor.authorLang, Karl S.-
dc.contributor.authorAdam, Dieter-
dc.contributor.authorFattakhova, Gulnar-
dc.contributor.authorFöger, Niko-
dc.contributor.authorKamal, Mohammad Azhar-
dc.contributor.authorPrilla, Patricia-
dc.contributor.authorMathieu, Sabine-
dc.contributor.authorWagner, Christina-
dc.contributor.authorMak, Tak-
dc.contributor.authorChan, Andrew C.-
dc.contributor.authorLee, Kyeong Hee-
dc.date.accessioned2020-11-17T14:56:55Z-
dc.date.available2020-11-17T14:56:55Z-
dc.date.issued2011-
dc.identifier.citationBlood, 2011, v. 118, n. 3, p. 598-608-
dc.identifier.issn0006-4971-
dc.identifier.urihttp://hdl.handle.net/10722/292646-
dc.description.abstractThe regulation of cellular survival and apoptosis is of critical importance for the immune system to maintain immune homeostasis and to establish tolerance. Here, we demonstrate that the immune specific cell surface molecule Toso exhibits antiapoptotic effects on death receptor signaling by a novel regulatory mechanism involving the adaptor kinase RIP1. The antiapoptotic function of Toso depends on RIP1 ubiquitination and involves the recruitment of the death adaptor FADD to a Toso/RIP1 protein complex. In response to CD95Land TNFα, Toso promotes the activation of MAPK and NF-κB signaling pathways. Because of this relative augmentation of survival versus apoptotic signals, Toso raises the threshold for death receptor-mediated apoptosis. Our analysis of Toso-deficient mice revealed that Toso is essential for TNFα-mediated liver damage. Furthermore, the antiapoptotic function of Toso could be blocked by a Toso-specific monoclonal antibody, opening up new therapeutic prospects for the treatment of immune disorders and hematologic malignancies. © 2011 by The American Society of Hematology.-
dc.languageeng-
dc.relation.ispartofBlood-
dc.titleToso regulates the balance between apoptotic and nonapoptotic death receptor signaling by facilitating RIP1 ubiquitination-
dc.typeArticle-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1182/blood-2010-10-313643-
dc.identifier.pmid21613257-
dc.identifier.scopuseid_2-s2.0-79960657818-
dc.identifier.volume118-
dc.identifier.issue3-
dc.identifier.spage598-
dc.identifier.epage608-
dc.identifier.eissn1528-0020-
dc.identifier.isiWOS:000292967300021-
dc.identifier.issnl0006-4971-

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