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pubmed:abstractText |
Growth factors and their receptor tyrosine kinases play pivotal roles in development, normal physiology, and pathology. Signal transduction is regulated primarily by receptor endocytosis and degradation in lysosomes ("receptor downregulation"). c-Cbl is an adaptor that modulates this process by recruiting binding partners, such as ubiquitin-conjugating enzymes. The role of another group of adaptors, Sprouty proteins, is less understood; although, studies in insects implicated the founder protein in the negative regulation of several receptor tyrosine kinases.
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