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All rights reserved. http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/dc/elements/1.1/title BEL Framework Large Corpus Document http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/pav/authoredBy http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#_4 http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://purl.org/pav/version 20131211 http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#_3 http://www.w3.org/ns/prov#value The epidermal growth factor (EGF) receptor (EGFR) has been found to be over-expressed in several types of cancer cells and the regulation of its oncogenic potential has been widely studied. The paradigm for EGFR down-regulation involves the trafficking of activated receptor molecules from the plasma membrane, through clathrin-coated pits, and into the cell for lysosomal degradation. We have previously shown that oxidative stress generated by H{SUB2}O{SUB2} results in aberrant phosphorylation of the EGFR. This leads to the loss of c-Cbl-mediated ubiquitination of the EGFR and, consequently, prevents its degradation. However, we have found that c-Cbl-mediated ubiquitination is required solely for degradation but not for internalization of the EGFR under oxidative stress. To further examine the fate of the EGFR under oxidative stress, we used confocal analysis to show that the receptor not only remains co-localized with caveolin-1 at the plasma membrane, but at longer time points, is also sorted to a perinuclear compartment via a clathrin-independent, caveolae-mediated pathway. Our findings indicate that although the EGFR associates with caveolin-1 constitutively, caveolin-1 is hyper-phosphorylated only under oxidative stress, which is essential in transporting the EGFR to a perinuclear location, where it is not degraded and remains active. Hence, oxidative stress may have a role in tumorigenesis by not only activating the EGFR, but also by promoting prolonged activation of the receptor both at the plasma membrane and within the cell. http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#_3 http://www.w3.org/ns/prov#wasQuotedFrom http://www.ncbi.nlm.nih.gov/pubmed/16407214 http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#_4 http://www.w3.org/2000/01/rdf-schema#label Selventa http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#assertion http://www.w3.org/ns/prov#hadPrimarySource http://www.ncbi.nlm.nih.gov/pubmed/16407214 http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://resource.belframework.org/belframework/20131211/knowledge/large_corpus.bel http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#assertion http://www.w3.org/ns/prov#wasDerivedFrom http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#_3 http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs#pubinfo http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs http://purl.org/dc/terms/created 2014-07-03T14:32:54.851+02:00 http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs http://purl.org/pav/createdBy http://orcid.org/0000-0001-6818-334X http://www.tkuhn.ch/bel2nanopub/RAePPv3cUOgu4nORzEMf6DETDIL9WxIMAokoCnWDr6hxs http://purl.org/pav/createdBy http://orcid.org/0000-0002-1267-0234