Activated EGF (epidermal growth factor) receptors are removed from the cell surface via endocytosis and subsequent degradation in the lysosome. This ultimately attenuates EGF receptor signals and diminishes the level of cell activation. The mechanisms underlying the EGF receptor down-regulation are beginning to be elucidated at the molecular level. Recent reports have indicated that receptor monoubiquitination and networks of protein–protein interactions control distinct steps in EGF receptor internalization, endosomal trafficking and sorting for lysosomal degradation. The emerging importance of the ubiquitin ligase Cbl and the adaptor molecule CIN85 (Cbl-interacting protein of 85 kDa) in the regulation of these pathways is discussed in detail.
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December 2003
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Conference Article|
December 01 2003
Mechanisms controlling EGF receptor endocytosis and degradation
I. Dikic
I. Dikic
1
Institute of Biochemistry II, Goethe University Medical School, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
1e-mail Ivan.Dikic@biochem2.de
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Publisher: Portland Press Ltd
Online ISSN: 1470-8752
Print ISSN: 0300-5127
© 2003 Biochemical Society
2003
Biochem Soc Trans (2003) 31 (6): 1178–1181.
Citation
I. Dikic; Mechanisms controlling EGF receptor endocytosis and degradation. Biochem Soc Trans 1 December 2003; 31 (6): 1178–1181. doi: https://doi.org/10.1042/bst0311178
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