NGFR and melanoma: Treatment of WM266‐4 BRAFV600D‐mutant melanoma cells, stably expressing the dual‐tagged LC3–red fluorescent protein–green fluorescent protein reporter construct,31, 32, 33 with trametinib for 9 days also revealed an increase in red puncta and the expression of CD271 in individual cells, also indicating co‐activation of autophagy and CD271 signalling (Fig. 2d, Fig. S3; see Supporting Information).