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Nat Genet. 1994 May;7(1):91-7.

Anaplastic Wilms' tumour, a subtype displaying poor prognosis, harbours p53 gene mutations.

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1
Department of Biochemistry, McGill University, Montreal, Canada.

Abstract

The genetics of Wilms' tumour (WT), a paediatric malignancy of the kidney, is complex. Inactivation of the tumour suppressor gene, WT1, is associated with tumour aetiology in approximately 10-15% of WTs. Chromosome 17p changes have been noted in cytogenetic studies of WTs, prompting us to screen 140 WTs for p53 mutations. When histopathology reports were available, p53 mutations were present in eight of eleven anaplastic WTs, a tumour subtype associated with poor prognosis. Amplification of MDM2, a gene whose product binds and sequesters p53, was excluded. Our results indicate that p53 alterations provide a molecular marker for anaplastic WTs.

PMID:
8075648
DOI:
10.1038/ng0594-91
[Indexed for MEDLINE]
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