Molecular Analysis of Chromosome Region 11p13 in Patients with Drash Syndrome

Overview

Journal Hum Genet

Specialty Genetics

Date 1991 Mar 1

PMID 1849870

Citations 2

Authors

L Jadresic

R B Wadey

B Buckle

T M BARRATT

C D Mitchell

J K Cowell

Affiliations

Soon will be listed here.

Abstract

The association of nephropathy, Wilms' tumour and genital abnormalities is known as Drash syndrome. Two of these features are also seen in the WAGR (Wilms' tumour, aniridia, genito-urinary abnormalities, mental retardation) complex, known to be associated with deletions of chromosome region 11p13. We have carried out karyotypic and molecular studies in 10 Drash patients, 5 males and 5 females. All the males had a 46XY karyotype as did 3/5 of the phenotypic females, the other two having a 46XX karyotype. One of the 46XX females also had a deletion of region 11p13-p12, the only detectable autosomal chromosome abnormality in any of the patients studied. Lymphoblastoid cell lines were prepared from 6 of the Drash patients and were used in dosage studies using a variety of DNA probes from the 11p13 region. There was no evidence of microdeletions in any patient with a normal karyotype. Because of the 46XY karyotype in phenotypic females, selected X and Y chromosome loci were analysed and all found to be normal. Although Drash syndrome is likely to be of genetic origin, there are no readily detected deletions within the 11p13 region.

Citing Articles

Nephrotic syndrome in the 1st year of life.

Habib R Pediatr Nephrol. 1993; 7(4):347-53.

PMID: 8398639 DOI: 10.1007/BF00857534.

Loss of heterozygosity at 11p13 in Wilms' tumours does not necessarily involve mutations in the WT1 gene.

Cowell J, Groves N, Baird P Br J Cancer. 1993; 67(6):1259-61.

PMID: 8390282 PMC: 1968481. DOI: 10.1038/bjc.1993.235.

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