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Fig. 1. Targeting strategy and confirmation of genotype. (A) The genomic
organization of the Pkb
wild-type allele (top) was disrupted
using a targeting vector with an IRES-lacZ-Neo-cassette (middle).
Targeting of the wild-type allele leads to disruption of exon 4 of the
Pkb
gene (bottom). Arrowheads indicate the localization of the
primers for the PCR reaction. (B) The genotype of mice was determined by PCR.
Representative results from Pkb
+/+,
Pkb
+/- and Pkb
-/- mice
are shown. (C) The levels of PKB
in the brains of
Pkb
+/+, Pkb
+/- and
Pkb
-/- mice were determined by western blot
analysis using a PKB
-specific antibody. (D) The levels of PKB
and PKBß, respectively, were determined in brain lysates from
Pkb
+/+, Pkb
+/- and
Pkb
-/- mice using PKB
- and
PKBß-specific antibodies.