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http://purl.uniprot.org/citations/21069351http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/21069351http://www.w3.org/2000/01/rdf-schema#comment"

Background and aims

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.

Methods

Embryos, normal controls [+Skt ( Gt )/+Skt ( Gt )] and ARMs models [Sd Skt ( Gt )/+Skt ( Gt )], from embryonic day (E) 9.5 to E12.5, were evaluated with X-gal staining.

Results

In control embryos, Skt expression was detected both in the endoderm and ectoderm of the cloacal plate from E9.5 onward. At E12.5, Skt expression was also detected in the mesenchyme neighboring the dorsal cloacal plates. In [Sd Skt ( Gt )/+Skt ( Gt )] mutant embryos, the cloacal plates failed to extend proximodistally and, consequently, the dorsal part of cloacal plate was defective at E11.5. Skt expressing cells were detected in the shortened cloacal plate and in the thickened mesenchyme dorsal to it.

Conclusions

We showed the spatial and temporal expression of Skt gene in the cloacal plate formation. This gene could be a marker for the cloacal plate during the anorectal development. Furthermore, Skt was considered to be associated with the embryogenesis of ARMs."xsd:string
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http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Ando T."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Araki K."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Araki M."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Lee K.J."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Inomata Y."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Yamamura K."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Semba K."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Suda H."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/author"Kyushima F."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/date"2011"xsd:gYear
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/name"Pediatr Surg Int"xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/pages"269-273"xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/title"The Skt gene, required for anorectal development, is a candidate for a molecular marker of the cloacal plate."xsd:string
http://purl.uniprot.org/citations/21069351http://purl.uniprot.org/core/volume"27"xsd:string
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