Description: Activation of BMP signaling is observed in the nasal mesenchyme of the palatal shelves at E13.5 and E14.5 along the AP axis. A few P-SMAD1/5/8-positive cells in the oral and nasal epithelia are also detectable (not depicted here).
Source: Han et al. (2009) Indirect modulation of Shh signaling by Dlx5 affects the oral-nasal patterning of palate and rescues cleft palate in Msx1-null mice. Development 136(24):4225-33.
Unpublished data, Chai lab.