Figure 9. Results of double-staining of Bmi1 and Ki67. Immunofluorescence double-staining of Bmi1 (red) and Ki67 (green) in samples from a donor younger than 30 years of age (A, C, and E) and from a donor older than 50 years of age (B, D, and F). Panels G and H represent DAPI staining.