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Fig. 2. Forebrain abnormalities and megalin expression pattern in E14.5 embryos
with conditional megalin gene inactivation. (A-D) Immunohistological detection
of megalin in yolk sac (A,B) and neuroepithelium (C,D) of E14.5 embryos.
megalinlox/lox embryos express the receptor in the yolk
sac (A) and the neuroepithelium (C), whereas
megalinlox/lox/Meox2tm1(cre)Sor embryos express
the receptor in the yolk sac (B) but not in the neuroepithelium (D). (E,F)
Exencephalus in E14.5 embryos with ubiquitous
(megalin/) (E) or with epiblast-specific
(megalinlox/lox/Meox2tm1(cre)Sor) megalin gene
knockout (F).