Cortical bone immunostaining of DMP1 in 5-wk-old WT, Dmp1Tg(full length), Dmp1Tg(57 kDa), Phex-deficient (Hyp), Hyp/Dmp1Tg(full length), Hyp/Dmp1Tg(57 kDa), and Dmp1ko mice. The top panels show the bright fields and bottom panels the corresponding fluorescent fields. The scale bar represents 100 μm.