we have used these alkylamines as pharmacological tools to trap internalized 125i-labeled epidermal growth factor and now report that the residual population of epidermal growth factor receptors remaining on human fibroblasts after completion of the receptor clearance process is not only accessible for ligand binding but also directs the continued internalization and degradation of this growth factor over prolonged periods of time .
C0242275
epidermal growth factor
C0086418
human