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Fig. 5. Raldh1 and Raldh3 are not required to establish or
maintain dorsoventral patterning of the retina. All panels consist of
frontal sections of eyes at either E10.5 (A-D) or E14.5 (E-H). (A)
Tbx5 mRNA in a wild-type embryo. (B) Vax2 mRNA in a
wild-type embryo. (C) Double in situ hybridization showing both
Tbx5 and Vax2 mRNA in a
Raldh1-/-;Raldh3-/- embryo. (D)
Vax2 mRNA in limited-rescue
Raldh1-/-;Raldh2-/-;Raldh3-/-
triple mutant embryo. (E-H) Detection of ephrin B2 mRNA (E,F) and
Ephb2 mRNA (G,H) in wild-type and
Raldh1-/-;Raldh3-/- embryos reveals
that the double mutant still expresses both genes at relatively normal levels
in their correct dorsoventral positions. D, dorsal; V, ventral.