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Reference Report
| Reference | |||
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| Citation | Cordero, J.B., Macagno, J.P., Stefanatos, R.K., Strathdee, K.E., Cagan, R.L., Vidal, M. (2010). Oncogenic Ras diverts a host TNF tumor suppressor activity into tumor promoter. Dev. Cell 18(6): 999--1011. (Export to RIS) | ||
| FlyBase ID | FBrf0211264 | ||
| Publication Type | Research paper | ||
| PubMed ID | 20627081 | ||
| PubMed Abstract | The roles of inflammatory cytokines and the immune response in cancer remain paradoxical. In the case of tumor necrosis factor (TNF), there is undisputed evidence indicating both protumor and antitumor activities. Recent work in Drosophila indicated that a TNF-dependent mechanism eliminates cells deficient for the polarity tumor suppressors dlg or scrib. In this study, however, we show that in tumors deficient for scrib that also expressed the Ras oncoprotein, the TNF signal was diverted into a protumor signal that enhanced tumor growth through larval arrest and stimulated invasive migration. In this case, TNF promoted malignancy and was detrimental to host survival. TNF was expressed at high levels by tumor-associated hemocytes recruited from the circulation. The expression of TNF by hemocytes was both necessary and sufficient to trigger TNF signaling in tumor cells. Our evidence suggests that tumors can evolve into malignancy through oncogenic Ras activation and the hijacking of TNF signaling. | ||
| DOI | 10.1016/j.devcel.2010.05.014 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Dev. Cell | ||
| Title | Developmental Cell | ||
| Publication Year | 2001- | ||
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Data from Reference
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| Genes (8)
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