VDR and breast cancer: As presented in Figure 3, we then performed the labeling using this protocol on nine different human BC cell lines (MCF-7, T47D, Cama-1, ZR75, SK-Br-3, HCC 3153, HCC1937, MDA-MB-231, and MDA-MB-468) and one endometrial cancer cell line Ishikawa ERneg, to analyze the differences in VDR expression.