Mammalian EGF receptor activation by the rhomboid protease RHBDL2
Drosophila
, rhomboid intramembrane proteases catalyse the release of EGF‐family ligands; however, in mammals this seems to be primarily achieved by ADAM‐family metalloproteases. We report here that EGF is an efficient substrate of the mammalian rhomboid RHBDL2. RHBDL2 cleaves EGF just outside its transmembrane domain, thereby facilitating its secretion and triggering activation of the EGFR. We have identified endogenous RHBDL2 activity in several tumour cell lines.
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- Published
- Apr 15, 2011
- Vol/Issue
- 12(5)
- Pages
- 421-427
- License
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