THORLNC and breast cancer: THOR was hypermethylated in all BC cells (i.e., MCF-7, MDA-MB-231, and BT-20 cell lines) and in HeLa cells when compared to normal fibroblasts (WI-38 cell line), in which the mean methylation value of the 5 CpG sites was around 6.5% (Additional file 3: Fig. S3A).