Background
IRX3 is a member of the Iroquois homeobox gene family (see IRX1; MIM 606197) and plays a role in an early step of;neural development (Bellefroid et al., 1998 (PubMed 9427753)). Members of this family appear to play multiple roles;during pattern formation of vertebrate embryos (Lewis et al., 1999 (PubMed 10370142)).