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Fetal loss in homozygous mutant Norrie disease mice: a new role of Norrin in reproduction.

TitleFetal loss in homozygous mutant Norrie disease mice: a new role of Norrin in reproduction.
Publication TypeJournal Article
Year of Publication2005
AuthorsLuhmann UFO, Meunier D, Shi W, Lüttges A, Pfarrer C, Fundele R, Berger W
Date Published2005 Aug
KeywordsAnimals, Animals, Newborn, Deafness, Disease Models, Animal, Eye Diseases, Hereditary, Eye Proteins, Female, Fertility, Fetal Death, Gene Expression, Genetic Diseases, X-Linked, Homozygote, Humans, In Situ Hybridization, Infertility, Female, Intellectual Disability, Male, Mice, Mice, Knockout, Nerve Tissue Proteins, Pregnancy, Reproduction, Reverse Transcriptase Polymerase Chain Reaction, Trophoblasts

Mutations in the Norrie disease pseudoglioma gene (NDP) are known to cause X-linked recessive Norrie disease. In addition, NDP mutations have been found in other vasoproliferative retinopathies such as familial exudative vitreoretinopathy, retinopathy of prematurity, and Coats disease, suggesting a role for Norrin in vascular development. Here we report that female mice homozygous for the Norrie disease pseudoglioma homolog (Ndph) knockout allele exhibit almost complete infertility, while heterozygous females and hemizygous males are fertile. Histological examinations and RNA in situ hybridization analyses revealed defects in vascular development and decidualization in pregnant Ndph-/- females from embryonic day 7 (E7) onwards, resulting in embryonic loss. Using RT-PCR analyses we also demonstrate, for the first time, the expression of Ndph in mouse uteri and deciduae as well as the expression of NDP in human placenta. Taken together, these data provide strong evidence for Norrin playing an important role in female reproductive tissues.

Alternate JournalGenesis
PubMed ID16035034
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