MUC5B and melanoma: Previous studies have tested MG1 oncolytic activity against five human melanoma cell lines from the NCI60 (US National Cancer Institute) including M14, MALME3M, SKMEL28, UACC257 and UACC6 and three murine melanoma cell lines, B16, B16F10 and B16lacZ.3 7 14 To expand on this work, we investigated the oncolytic activity of MG1 in further four human melanoma cell lines (A375, MEWO, MEL888 and MEL624) and the 4434 murine melanoma cell line.