SIX2 and Miyoshi myopathy: These studies performed thorough characterization of cell types obtained at every stage, focusing on obtaining PAX2+ GATA3+ LHX1+ UB cells (Xia et al., 2013) and SIX2+ PAX2+ OSR1+−GDNF+ HOX11+ WT1+ MM cells (Taguchi et al., 2014).