EGFR-RAS-MAPK signaling is confined to the plasma membrane and associated endorecycling protrusions

Sachin V. Surve,Simon C Watkins,A. Sorkin

Published 2021 in Journal of Cell Biology

ABSTRACT

Ras GTPases are key membrane-associated elements of the EGFR-MAPK signaling pathway. Surve et al. demonstrate that endogenous KRAS and NRAS are predominantly localized to the plasma membrane and its tubular shaped protrusions and show that a small pool of surface EGFRs sustain signaling along the RAS-MAPK pathway, whereas internalized EGFRs do not significantly contribute to MAPK activity.

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