PMEL and neoplasm: Concurrent with our E0771.ML-1 experiments, NLDMs of Lyz2-Cre+/+YFP+/–Ctnnb1Ex3Δ/wt mice administered intranasally increased tumor burden relative to the controls, as measured by expression of the melanocyte-specific transcripts Trp2 and Pmel (Supplemental Figure 6A).