Article ID Journal Published Year Pages File Type
10870637 FEBS Letters 2014 7 Pages PDF
Abstract
Epidermal growth factor receptor pathway substrate 15 (Eps15) has been suggested to be involved in the endocytosis of cell surface receptors, including epidermal growth factor receptor (EGFR). Eps15 is phosphorylated at Tyr-849 upon stimulation with EGF during endocytic processes. In the present study, we found that stimulation of HeLa cells with EGF or TNF-α induced transient phosphorylation of Eps15 at Ser-796. Inhibition of p38 completely blocked phosphorylation and recombinant p38α directly phosphorylated the residue. These results demonstrate a novel stress kinase-mediated signaling pathway to Eps15 endocytic adapter protein.
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