Upregulation of the matrix metalloproteinase-1 gene by the Ewing's sarcoma associated EWS-ER81 and EWS-Fli-1 oncoproteins, c-Jun and p300

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Abstract

The mechanisms of action of Ewing's sarcoma (EWS) associated EWS-ETS oncoproteins have largely remained unresolved. Here, we analyzed how two EWS-ETS proteins, EWS-ER81 and EWS-Fli-1, in vitro activate the matrix metalloproteinase (MMP)-1 promoter that is upregulated in a subset of EWSs. EWS-ER81 and EWS-Fli-1 interact with and thereby activate the MMP-1 promoter, which is potentiated by the cofactor p300 and the proto-oncoprotein c-Jun. Further, EWS-ER81 binds to c-Jun in vitro and in vivo. The interaction between c-Jun, p300 and EWS-ER81 or EWS-Fli-1 may also be relevant to the regulation of other yet-to-be-identified genes that are responsible for EWS formation. © 2003 Published by Elsevier B.V. on behalf of the Federation of European Biochemical Societies.

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APA

Fuchs, B., Inwards, C. Y., & Janknecht, R. (2003). Upregulation of the matrix metalloproteinase-1 gene by the Ewing’s sarcoma associated EWS-ER81 and EWS-Fli-1 oncoproteins, c-Jun and p300. FEBS Letters, 553(1–2), 104–108. https://doi.org/10.1016/S0014-5793(03)00984-0

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