From: Retinoic acid is a key regulatory switch determining the difference between lung and thyroid fates in Xenopus laevis
1 μM RA
0.1 μM RA
0.01 μM RA
DMSO control
pax2
0/60
32/61
54/64
54/54
sftpb
74/83
63/84
37/81
0/75