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Fig. 3. A nestin-Psen1 transgene rescues the cerebral hemorrhages but not the
caudal defects in the Psen1/ embryo. (A-C)
E18.5 wild-type (A), Psen1/ (B) embryos and
an embryo with the nestin-Psen1 transgene on the
Psen1/ background (C). The
Psen1/ embryo has an abnormal tail region
(arrow) and a cerebral hemorrhage (arrowhead). By contrast, the embryo with
the nestin-Psen1 transgene on the Psen1/
background still exhibits the caudal defects (arrow) but no cerebral
hemorrhages.