Analysis of the GDC TCGA Breast Cancer database showed a negative correlation between miR-200a-3p and PRKCQ-AS1 in 477 ER+/HER2- breast cancer samples (Fig. S8A), which was also observed between miR-200a-3p and MKP1 (Fig. S8B). The gene discussed is ERBB2; the disease is breast carcinoma.