Figure 6From: Efficient TGF-β/SMAD signaling in human melanoma cells associated with high c-SKI/SnoN expressionSKI expression in melanocytic lesions. Nevus (A, B) without nuclear staining. Clear reddish/purple nuclear staining in primary melanoma (C, D) and weak, though evident, nuclear staining in a cutaneous metastasis (A, F). Arrows in D and E indicate SKI-positive nuclei. A, C, E: H&E staining. Scale bars A, C, E: 50 μm; B, D, F: 12,5 μm.Back to article page