In addition to SCC9 cells, we also examined the role of plakoglobin in regulating SATB1 in MCF-7 and MDA-MB-231 (MDA-231) mammary epithelial cell lines, since SATB1 has previously been shown to play a major role in the regulation of breast cancer progression and metastasis [34]. Here, SATB1 is linked to breast carcinoma.