Phenotype Image Detail

Image

Caption

Severe anomalies in the urogenital system in Wnt4^{tm2(EGFP/cre)Svo}/Wnt4^tm1Svo (Wnt4^EGFPCre/c) mice. (a) The wild-type (WT, left) and mutant urogenital systems (right). Note that kidney development fails in mutant embryos and the metanephros remains rudimentary (arrow), as also seen in (b) (arrow). Histological view of the kidneys of WT (c) and mutant embryos (d) reveals that without Wnt4 signaling the kidney mesenchyme is lacking in nephrons. Only a glomerulus with some structures of a nephron can be observed in a loosely organized mesenchyme (arrow) having few ureteric epithelial branches (arrow). (e,f) Wnt4^{tm2(EGFP/cre)Svo}/Wnt4^tm1Svo mice show anomalies in the ovary, which remains unencapsulated. The naked ovary is associated with a Wolffian duct-derived epididymal structure typical of a male embryo (arrows). Labels: a, adrenal gland; b, bladder; e, epididymis; g, gonad; k, kidney; u, ureter; o, ovary. (a-f) E18.5. Bars: (c) 500 um, (d,f) 100 um.

This image is from Shan J, Genesis 2009 Nov;47(11):782-8, and is displayed with the permission of Wiley-Blackwell, who owns the Copyright. J:154784

Associated
Alleles

Symbol	Name
Wnt4^tm1Svo	wingless-type MMTV integration site family, member 4; targeted mutation 1, Seppo Vainio
Wnt4^{tm2(EGFP/cre)Svo}	wingless-type MMTV integration site family, member 4; targeted mutation 2, Seppo Vainio

Associated
Genotypes

Allelic Composition	Genetic Background
Wnt4^{tm2(EGFP/cre)Svo}/Wnt4^tm1Svo	involves: 129/Sv * C57BL/6

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