Figure 5. GFRAL and GDF-15 colocalize in human pancreatic cancer cells. (A–D) H.E images for 4 patient samples with histologically confirmed PDAC; (E–H) Immunofluorescence staining for GFRAL and nuclei counterstained with DAPI; (I–L) Immunofluorescence staining for GDF-15 and nuclei counterstained with DAPI; (M–P) Merged images of GFRAL, GDF-15, and DAPI staining.