MNT–REL interaction was not detected in other cell lines tested, e.g., SH-SY5Y (neuroblastoma), HEK293T (embryonic kidney), K562 (chronic myeloid leukemia), A549 and H1299 (lung cancer), and HEPG2 (hepatocellular carcinoma). The gene discussed is MNT; the disease is neuroblastoma.