Fig. 1. RFX7 and RFX4 are expressed in the nervous system. (A) Spatial expression profiles of RFX7 and RFX4 genes. (B) Temporal expression profiles of RFX7 and RFX4 genes. (C) RFX7 and RFX4 are not expressed in the GRP at the stage 14. The GRP is indicated by red arrows. d: dorsal, v: ventral, a: anterior, p: posterior, b: brain, op: optic vesicles, ot: otic vesicles, sc: spinal cord, s: somites.