ZEB2 and breast carcinoma: Most cell lines with high δEF1 and SIP1 expression levels and low ESRP expression levels were categorized as being of the “basal-like” subtype of breast cancer, while most cell lines with low δEF1 and SIP1 and high ESRPs were categorized as being of the “luminal” subtype of breast cancer, although the levels of the EMT-regulators have not been characterized in either of these subtypes, [135, 136].