MPIG6B and hearing loss disorder: Meanwhile, in the severe hearing loss group, GO analysis showed that the DEGs were remarkably enriched in the terms “BH domain binding,” “Immunoglobulin receptor binding,” “receptor inhibitor activity,” “calcium ion binding,” “platelet-derived growth factor binding,” “acetylcholine receptor regulator activity” in the MF category (Table 2), and in the terms “external side of plasma membrane,” “MHC protein complex,” “myelin sheath,” “collagen trimer,” “focal adhesion,” and “phagocytic vesicle” in the CC category (Table 2).