Extended Data Fig. 4: Immunofluorescence of DKK3 + fibroblasts.

DKK3 + fibroblasts in refractory (left) and responder (right) patients (representative image out of 3 refractory and 3 responders). Immunofluorescence with DNA in blue, CD45 in red, CD90 in green and DKK3 in yellow. Lines at 0.250 mm in the overview (top panels) and 0.05 mm in the higher magnification (bottom panels).