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EnglishFor the past 20 years, it has been known that preparations of Tumor Necrosis Factor alpha (TNF) fail to induce apoptosis due to cytoprotective responses that render cells resistant to its cytotoxic activity. Here we show that TRAF-2-/- embryonic fibroblasts express reduced levels of the anti-apoptotic molecule c-FLIP due to extensive degradation of the protein. Reconstitution of TRAF-2-/- EF with c-FLIP is sufficient for resistance to TNF toxicity. Our results strengthen the role of c-FLIP in protecting cells from the cytotoxic effect of TNF and have implication for the treatment of inflammatory and proliferative disorders.
For the past 20 years, it has been known that preparations of Tumor Necrosis Factor alpha (TNF) fail to induce apoptosis due to cytoprotective responses that render cells resistant to its cytotoxic activity. Here we show that TRAF-2(-/-) embryonic fibroblasts express reduced levels of the anti-apoptotic molecule c-FLIP due to extensive degradation of the protein. Reconstitution of TRAF-2(-/-) EF with c-FLIP is sufficient for resistance to TNF toxicity. Our results strengthen the role of c-FLIP in protecting cells from the cytotoxic effect of TNF and have implication for the treatment of inflammatory and proliferative disorders.
| Titolo: | C-FLIP efficiently rescues TRAF-2(-/-) cells from TNF-induced apoptosis | |
| Autori interni: | ||
| Data di pubblicazione: | 2002 | |
| Rivista: | ||
| Handle: | http://hdl.handle.net/20.500.12070/3123 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/20.500.12070/3123
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