Transcriptional activity of testis-determining factor SRY is modulated by the Wilms' tumor 1 gene product, WT1

Yumiko Matsuzawa-Watanabe, Jun Ichiro Inoue, Kentaro Senba

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The Wilms' tumor 1 (WT1) and sex-determining region of the Y chromosome (SRY) genes are essential for development of the mammalian gonads and mutations in these genes are associated with gonadal dysgenesis in humans. The SRY gene encodes a transcription factor with one high-mobility group (HMG) box as a DNA-binding domain. WT1 encodes a transcription factor that contains four contiguous C2H2-type zinc-finger motifs as a DNA/RNA binding or protein-protein interaction domain. Here we report that WT1 binds to and acts synergistically with SRY to activate transcription from a promoter containing SRY-binding sites. This interaction is mediated by the WT1 zinc-finger domain and the SRY HMG box. WT1 mutants associated with Denys-Drash syndrome (DDS), which is characterized by Wilms' tumor, pseudohermaphroditism, and nephropathy, fail to interact with SRY. Wildtype WT1 is recruited to SRY-binding sites in an SRY-dependent manner, whereas DDS mutants are not recruited as efficiently. These results suggest that WT1 forms a complex with SRY to regulate transcription and that this WT1-SRY interaction is important in testis development.

Original languageEnglish
Pages (from-to)7900-7904
Number of pages5
JournalOncogene
Volume22
Issue number39
DOIs
Publication statusPublished - 2003 Sep 11
Externally publishedYes

Fingerprint

Sex-Determining Region Y Protein
Wilms' Tumor Genes
Wilms Tumor
Denys-Drash Syndrome
Zinc Fingers
HMG-Box Domains
Transcription Factors
Y-Linked Genes
Binding Sites
Protein Interaction Domains and Motifs
Gonadal Dysgenesis
RNA-Binding Proteins
DNA
Gonads
Genes
Testis

Keywords

  • Gonad
  • Sex determination
  • Transcription factor
  • Tumor-suppressor gene

ASJC Scopus subject areas

  • Molecular Biology
  • Cancer Research
  • Genetics

Cite this

Transcriptional activity of testis-determining factor SRY is modulated by the Wilms' tumor 1 gene product, WT1. / Matsuzawa-Watanabe, Yumiko; Inoue, Jun Ichiro; Senba, Kentaro.

In: Oncogene, Vol. 22, No. 39, 11.09.2003, p. 7900-7904.

Research output: Contribution to journalArticle

Matsuzawa-Watanabe, Yumiko ; Inoue, Jun Ichiro ; Senba, Kentaro. / Transcriptional activity of testis-determining factor SRY is modulated by the Wilms' tumor 1 gene product, WT1. In: Oncogene. 2003 ; Vol. 22, No. 39. pp. 7900-7904.
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