Figure 1From: Cancer stem cell markers are enriched in normal tissue adjacent to triple negative breast cancer and inversely correlated with DNA repair deficiencyStem cell cell surface markers were present in the triple negative normal adjacent tissues to a much greater extent than in the estrogen receptor-positive (ER+) sample. (A) Normal adjacent tissue from a patient with triple-negative cancer: red, CD44; purple, CD49f; green, CD133/2; blue, 4',6-diamidino-2-phenylindole (DAPI) and combined CD44+/CD49f+/CD133/2+. Scale bar 25 μm (40×). (B) Normal adjacent tissue from a patient with ER+ disease, no combined cells CD44+/CD49f+/CD133/2+. Scale bar 25 μm (40×).Back to article page