Hong et al. have found that the OVOL2‐ZEB1, ZEB1‐miR‐200 and SNAI1‐miR‐34a loops were all contribute to the existence and robustness of the p‐EMT states in breast cancer, and the strength of the Ovol2‐Zeb1 loop is more critical.137. The gene discussed is ZEB1; the disease is breast carcinoma.