PIGT and hereditary disease: Among these genes, PIGY, PIGW, PIGG, PIGM, PIGV, PIGN, PIGL, PIGA, PIGO, PIGT, PIGC, PIGQ, PIGP, PGAP1, PGAP2, and PGAP3 mutations were reported relating to human genetic diseases (Freeze et al., 2014; Supplementary Table 1).