25(OH)D and 1,25(OH)2D perfusion treatment effect on cancer-related markers: IF stains illustrating expression levels for Ki-67 (A), cyclin D1 (B), ErbB-2 (C) proto-oncogene in mammary tumor tissue at sacrifice after vehicle, 1,25(OH)2D or 25(OH)D perfusion... 25(OH)D and 1,25(OH)2D perfusion treatment effect on cancer-related markers: IF stains illustrating expression levels for Ki-67 (A), cyclin D1 (B), ErbB-2 (C) proto-oncogene in mammary tumor tissue at sacrifice after vehicle, 1,25(OH)2D or 25(OH)D perfusion treatments. D, quantitation by positive cell count or Western blot analysis. *, P < 0.05. Scale bar, 200 μm. Lionel Rossdeutscher et al. Cancer Prev Res 2015;8:120-128 ©2015 by American Association for Cancer Research