Calpain-1 Expression in Triple-Negative Breast Cancer: A Potential Prognostic Factor Independent of the Proliferative/Apoptotic Index

Figure 6

Evaluation of apoptotic index using H&E and TUNEL staining. ((a) human colon mucosa, positive control, (b) human colon mucosa, negative control, (c) highly expressed apoptotic cells stained by TUNEL method, triple-negative breast cancer tissue, and (d) apoptotic cells stained with H&E). Photomicrographs are at ×40 magnification and a scale bar of 20 μm.

(a)

(b)

(c)

(d)