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Figure 8. Expression of the transgene and the
endogenous gene in female mice of different ages. Adrenal sections from
female transgenic mice (line 78) at 3, 7, and 9 weeks of age were
stained for ß-galactosidase activity (A, C, and E) or hybridized with
the CYP11A1 (SCC; B and D) or LacZ (F) riboprobe.
The adrenal X zone started to regress at 9 weeks. SCC and
LacZ gene expression in the X zone follows the same
sequence. F, Zona fasciculata; X, X zone; M, medulla.
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