Figure 4From: Increased invasion and tumorigenicity capacity of CD44+/CD24- breast cancer MCF7 cells in vitro and in nude miceIn vivo tumor xenograft assay of these four subsets MCF7 cells. A, CD44+/CD24-/low; B, CD44+/CD24+; C, CD44-/CD24+; and D, CD44-/CD24-.Back to article page