The Skt gene, required for anorectal development, is a candidate for a molecular marker of the cloacal plate.
It has been reported that a dorsal cloacal plate defect is associated with anorectal malformations (ARMs); however, there has been very little information reported about the developmental mechanisms involved with cloacal plate formation. Danforth's short tail (Sd) mutant mice show ARMs. In our previous study, the co-presence of Skt ( Gt ) mutation, in which Skt gene is disrupted by the gene-trap vector (p-U8), increased the incidence of ARMs in Sd mutant to 100%. Our aims in this study are determining the Skt expression around the cloaca during the anorectal development and demonstrating the role of Skt gene in ARMs.
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