Figure 4.

Ligand-Induced Expression and Exosomal Packaging of PD-L1 in HCC1954 Breast Cancer Cells

(A and B) Dot-blots (1 μg per spot) and associated densitometry analysis showing the EGF- and/or IFNγ-dependent induction of PD-L1 protein expression and exosomal packaging in HCC1954 cells (mean fold change ± SEM; ^∗p < 0.05, two-tailed Student’s t test) (A). (B) IFNγ-dependent induction of PD-L1 protein expression and exosomal packaging in NTC or ALIX KD equivalent cell lines.

See also Figure S4.