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Figure 7 | Breast Cancer Research

Figure 7

From: Synergy between inhibitors of androgen receptor and MEK has therapeutic implications in estrogen receptor-negative breast cancer

Figure 7

The therapeutic effect of AR and MEK inhibitors on in vivo angiogenesis. (A) Angiogenesis index for each in vivo treatment group. Angiogenesis was measured as the number of CD-31-positive blood vessels in a cross-section of each xenograft tumor. CTL: control group; FLU: flutamide; and PD: PD0325901. *P < 0.03 for PD0325901 monotherapy vs. control and **P < 0.03 for combination therapy vs. monotherapy groups using Mann-Whitney U test. Error bars: ± 2 SEM. (B) Immunohistochemistry (IHC) was used to measure angiogenesis in a control xenograft tumor. Staining was performed using a CD31 rabbit polyclonal antibody. Original magnification, × 40. (C) IHC was used to measure angiogenesis in a PD0325901 monotherapy tumor. Original magnification, × 40. (D) IHC was used to measure angiogenesis in a xenograft tumor treated with combination therapy. Original magnification, × 40.

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