HDAC6 and eye neoplasm: No significant difference in HDAC6 expression was detected when the untreated primary ocular tumor-derived cell lines (Mel270 and Mel285) or untreated MUM (OMM2.5) cell line were compared to untreated ARPE19 cells, a human retinal pigment epithelium cell line (Figure 3A,A’ and Figure S3).