Mutations in TSPAN12 Cause Autosomal-Dominant Familial Exudative Vitreoretinopathy

James Poulter, Manir Ali, David Gilmour, A Rice, Hiroyuki Kondo, Kenshi Hayashi, David Mackey, Lisa Kearns, Jonathan Ruddle, Jamie Craig, Eric Pierce, L Downey, Moin Mohamed, A Markham, Chris Inglehearn, C Toomes

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    126 Citations (Scopus)

    Abstract

    Familial exudative vitreoretinopathy (FEVR) is an inherited blinding disorder of the retinal vascular system. Although mutations in three genes (LRP5, FZD4, and NDP) are known to cause FEVR, these account for only a fraction of FEVR cases. The proteins encoded by these FEVR genes form part of a signaling complex that activates the Norrin-β-catenin signaling pathway. Recently, through a large-scale reverse genetic screen in mice, Junge and colleagues identified an additional member of this signaling complex, Tspan12. Here, we report that mutations in TSPAN12 also cause autosomal-dominant FEVR. We describe seven mutations identified in a cohort of 70 FEVR patients in whom we had already excluded the known FEVR genes. This study provides further evidence for the importance of the Norrin-β-catenin signaling pathway in the development of the retinal vasculature and also indicates that more FEVR genes remain to be identified.

    Original languageEnglish
    Pages (from-to)248-253
    Number of pages6
    JournalAmerican Journal of Human Genetics
    Volume86
    Issue number2
    DOIs
    Publication statusPublished - 12 Feb 2010

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  • Cite this

    Poulter, J., Ali, M., Gilmour, D., Rice, A., Kondo, H., Hayashi, K., Mackey, D., Kearns, L., Ruddle, J., Craig, J., Pierce, E., Downey, L., Mohamed, M., Markham, A., Inglehearn, C., & Toomes, C. (2010). Mutations in TSPAN12 Cause Autosomal-Dominant Familial Exudative Vitreoretinopathy. American Journal of Human Genetics, 86(2), 248-253. https://doi.org/10.1016/j.ajhg.2010.01.012