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. 2012 Sep 24;7(9):e46040. doi: 10.1371/journal.pone.0046040

Figure 1. PKR is significantly elevated in primary breast cancer tissues compared to normal or benign tissues.

Figure 1

Representative results from IHC staining (20× magnification shown). PKR is stained brown and nuclei are stained blue. Arrows highlight positively stained cells. A. Normal breast tissues. Left panel: 44 year old female; Right panel: 35 year old female. B. Benign: Left panel: 44 year old female, adenosis; Right: 35 year old female, blunt duct adenosis. C. Invasive ductal carcinomas: Left panel: 57 year old female, IDC not otherwise specified, Stage 3; Right Panel: 45 year old female, grade 1 T4N1M0. D. Invasive lobular carcinomas: Left panel: 35 year old female; Right panel: 38 year old female.