Williams-Beuren syndrome TRIM50 encodes an E3 ubiquitin ligase.

Lucia Micale, Carmela Fusco, Bartolomeo Augello, Luisa M R Napolitano, Emmanouil T Dermitzakis, Germana Meroni, Giuseppe Merla, Alexandre Reymond

European journal of human genetics : EJHG 2008 Sep

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Williams-Beuren syndrome (WBS) is a neurodevelopmental and multisystemic disease that results from hemizygosity of approximately 25 genes mapping to chromosomal region 7q11.23. We report here the preliminary description of eight novel genes mapping within the WBS critical region and/or its syntenic mouse region. Three of these genes, TRIM50, TRIM73 and TRIM74, belong to the TRIpartite motif gene family, members of which were shown to be associated to several human genetic diseases. We describe the preliminary functional characterization of these genes and show that Trim50 encodes an E3 ubiquitin ligase, opening the interesting hypothesis that the ubiquitin-mediated proteasome pathway might be involved in the WBS phenotype.

Citation

Lucia Micale, Carmela Fusco, Bartolomeo Augello, Luisa M R Napolitano, Emmanouil T Dermitzakis, Germana Meroni, Giuseppe Merla, Alexandre Reymond. Williams-Beuren syndrome TRIM50 encodes an E3 ubiquitin ligase. European journal of human genetics : EJHG. 2008 Sep;16(9):1038-49