Conformably, reduced TCEAL7 mRNA levels were also found in BC samples including invasive breast carcinoma, invasive ductal breast carcinoma, Ductal carcinoma in situ, invasive lobular breast carcinoma as compared with the corresponding normal breast tissues (P < 0.05) (Fig. 5B, E). This evidence concerns the gene TCEAL7 and ductal breast carcinoma in situ.