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. 2016 Jan 26;11(3):1750–1756. doi: 10.3892/ol.2016.4145

Figure 1.

Figure 1.

Various phenotypes of invasive breast cancer cells according to the expression of ALDH1 and CD133. Invasive breast cancer cells were stained by SP immunohistochemical double staining. ALDH1-positive cells exhibited dark blue stained cytoplasm, while CD133-positive cells exhibited a red stained cell membrane. (A) ALDH1+/CD133+ phenotype. Magnification, ×200. (B) ALDH1+/CD133- phenotype. Magnification, ×100. (C) ALDH1-/CD133+ phenotype. Magnification, ×200. (D) ALDH1-/CD133- phenotype. Magnification, ×100. White arrows indicate the corresponding phenotype cells. ALDH, aldehyde dehydrogenase; CD, cluster of differentiation; SP, streptavidin-peroxidase.