Figure 2From: Changes in insulin receptor signaling underlie neoadjuvant metformin administration in breast cancer: a prospective window of opportunity neoadjuvant study Changes in insulin receptor expression upon metformin treatment. (A) Allred scores for the insulin receptor (IR) as measured pre- and post-metformin treatment. (B) Representative images are shown for IR pre- and post-metformin treatment with Allred scores of 6 and 2, respectively. Scale bar represents 30 μm.Back to article page