Among 19 ALDH isoforms, eight ALDH isoforms (1A3, 1B1, 2, 3A1, 3B1, 4A1, 7A1, and 9A1) were upregulated in pancreatic cancer compared with matched normal by combined analysis of TCGA and GTEx data (Figure S1A and B). The gene discussed is LDHA; the disease is pancreatic neoplasm.