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Abstract
The Wilms' tumor 1 (WT1) gene product may regulate the
MIS gene since mutations in WT1 can cause persistence of
the mullerian duct in men. In this report we show by gel
shift and chromatin immunoprecipitation assays that WT1
bound to a GC rich sequence in the murine Mis promoter.
Mutation in this site abolished WT1-mediated activation
of the Mis promoter. WT1, SOX9, and SF1 could
synergistically activate the Mis promoter, and at least
two factors were necessary for minimal activation. WT1 is
essential factor for the activation of the Mis
promoter and therefore the persistence of the mullerian
duct in Denys-Drash syndrome patients may be due to de-
regulation of the MIS gene.
Key words:
Male Reproductive Tract
Gene regulation
Mullerian ducts
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