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Atypical clinical presentation of a WT1-related syndrome associated with a novel exon 6 gene mutation.


ABSTRACT: Wilms' tumour suppressor gene-1 (WT1) plays a critical role in kidney development and function. Several WT1 mutations can occur in exons 7, 8 and 9 and they have been associated with Denys-Drash syndrome. WT1 mutations of intron 9 have been reported too and associated with Frasier syndrome. However, overlapping and incomplete forms of both the syndromes have been described. We report a novel sequence variant (c.1012A>T) of the WT1 gene in exon 6 (p.R338X) in a 18-year-old girl with a history of Wilms' tumour, minor gonadal changes and relatively late-onset nephropathy. WT1-related nephropathies should be suspected in every patient with proteinuria not associated to immunological changes when a congenital neoplasia or minor gonadal anomalies are present.

SUBMITTER: Dattolo P 

PROVIDER: S-EPMC3669930 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Atypical clinical presentation of a WT1-related syndrome associated with a novel exon 6 gene mutation.

Dattolo Pietro P   Allinovi Marco M   Iatropoulos Paraskevas P   Michelassi Stefano S  

BMJ case reports 20130527


Wilms' tumour suppressor gene-1 (WT1) plays a critical role in kidney development and function. Several WT1 mutations can occur in exons 7, 8 and 9 and they have been associated with Denys-Drash syndrome. WT1 mutations of intron 9 have been reported too and associated with Frasier syndrome. However, overlapping and incomplete forms of both the syndromes have been described. We report a novel sequence variant (c.1012A>T) of the WT1 gene in exon 6 (p.R338X) in a 18-year-old girl with a history of  ...[more]

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