Among these genes, PIGY, PIGW, PIGG, PIGM, PIGV, PIGN, PIGL, PIGA, PIGO, PIGT, PIGC, PIGQ, PIGP, PGAP1, PGAP2, and PGAP3 variants were reported to be related to human genetic diseases (Freeze et al., 2014). Here, PIGP is linked to hereditary disease.