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Fig. 7. AFB patterning is improved in
Hesx1Cre/Cre;RosaCond-Hesx1/Cond-Hesx1
compound embryos. (A,B) Frontal view of the Hesx1
expression domain in wild type (A) and in a
Hesx1Cre/Cre;RosaCond-Hesx1/Cond-Hesx1
compound embryo (B), showing comparable levels of expression.
(C,D) Dorsal view of Foxd3 expression domain in wild
type (C) and in a
Hesx1Cre/Cre;RosaCond-Hesx1/Cond-Hesx1
compound embryo (D). Arrowheads indicate the region of the rostral NP where
Foxd3 is not expressed. (E,F) Frontal view of
Axin2 expression domain in wild type (E) and in a
Hesx1Cre/Cre;RosaCond-Hesx1/Cond-Hesx1
compound embryo (F). Arrowheads indicate the rostral limit of Axin2
expression. Note the presence of AFB tissue that is devoid of Axin2
transcripts in E and F.