Figure 1From: PIK3R1 underexpression is an independent prognostic marker in breast cancer Comparison of PIK3R1 /p85 immunohistochemistry and mRNA expression results. A. Tumor sample with protein underexpression (expression intensity +) and decreased mRNA expression (normalized mRNA expression value 0.05). B. Healthy tissue sample with normal protein expression (expression intensity +++) and normal mRNA expression (normalized mRNA expression value 1.0).Back to article page