ALDH1A3 and melanoma: To this end, we traced 13C6-labeled glucose in two A375-based melanoma cell models: (1) WT control versus ALDH1A3 KO cells following 24-h labeling; and (2) following 12-h labeling, non-engineered cells sorted for ALDH1A3High and ALDH1A3Low (Figure 3A; Table S3).