ZEB-AS1 expression showed a strong positive correlation with ZEB1 mRNA in both primary melanomas (Fig. 3a, r = 0.66 and P-value < 2.9E-14) and metastatic melanoma (Fig. 3b, r = 0.52 and P-value < 2.2E-16) samples. The gene discussed is ZEB1; the disease is melanoma.