In RNAss database, tumor stemness was confirmed to be negatively correlated with the expressions of IGLC1 (r = -0.15, P = 0.01), IGLC2 (r = -0.16, P = 0.01), IGLC3 (r = -0.15, P = 0.01), and IGLC6 (r = -0.13, P = 0.03) respectively (Fig. 5B). This evidence concerns the gene IGLC6 and neoplasm.