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Fig. 7. A dominant-negative effect of TAp63
(R280C) mutant.
(A,B) HeLa cells were transfected with the indicated amount of
the expression constructs, and reporter gene activity was examined in both
Region 1 (-2233/-2004, A) and Region 2 (+1/+223, B). Mutant TAp63
did
not activate luciferase expression in either region. In addition, it inhibited
the wild-type TAp63
-induced transactivation in a dose-dependent manner
in both regions.