MKI67 and neoplasm: In human breast ductal adenocarcinoma tissues (hBDA) and human breast cancer epithelial cells (hBCE), mRNA and protein levels of TRPM7 channel was overexpressed and correlated with high Ki-67 (>10%), a large tumor size (>2 cm) or highly proliferative tumors when compared to the non-tumor tissues [22,23].