Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1

P. Goodyer, Mohammed Dehbi, E. Torban, W. Bruening, J. Pelletier

Research output: Contribution to journalArticle

96 Citations (Scopus)

Abstract

The Wilms' tumor (WT) suppressor gene, WT1, encodes a zinc finger DNA binding protein (wt1) which functions as a transcriptional regulator. Germline WT1 mutations predispose to WTs and in many cases are associated with urogenital anomalies. Identification of wt1 downstream targets is essential to understanding regulatory processes involved in development of this system. In this study, we demonstrate that wt1 can repress transcription of the retinoic acid receptor-α1 (RAR-α1) promoter. Transient transfection, deletion mutagenesis, and mobility shift assays suggest that wt1 mediates repression of the human RAR-α1 promoter through a GC-rich DNA binding motif (5'-GCGGGGGCG-3'), at positions -111 to -120 bp (relative to the transcription initiation site). In contrast, the murine RAR-α1 promoter contains a cryptic binding motif and is not responsive to wt1. These results indicate that some wt1-regulatory pathways are not conserved across species, suggesting a molecular basis for differences in phenotypes between humans and mice harboring WT1 lesions.

Original languageEnglish
Pages (from-to)1125-1129
Number of pages5
JournalOncogene
Volume10
Issue number6
Publication statusPublished - 1 Jan 1995
Externally publishedYes

Fingerprint

Wilms' Tumor Genes
Retinoic Acid Receptors
Tumor Suppressor Genes
Nucleotide Motifs
Germ-Line Mutation
Transcription Initiation Site
Zinc Fingers
DNA-Binding Proteins
Electrophoretic Mobility Shift Assay
Mutagenesis
Transfection
Phenotype

Keywords

  • Cancer genetics
  • Retinoic acid receptor
  • Wilms' tumor
  • wt1

ASJC Scopus subject areas

  • Cancer Research
  • Genetics
  • Molecular Biology

Cite this

Goodyer, P., Dehbi, M., Torban, E., Bruening, W., & Pelletier, J. (1995). Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1. Oncogene, 10(6), 1125-1129.

Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1. / Goodyer, P.; Dehbi, Mohammed; Torban, E.; Bruening, W.; Pelletier, J.

In: Oncogene, Vol. 10, No. 6, 01.01.1995, p. 1125-1129.

Research output: Contribution to journalArticle

Goodyer, P, Dehbi, M, Torban, E, Bruening, W & Pelletier, J 1995, 'Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1', Oncogene, vol. 10, no. 6, pp. 1125-1129.
Goodyer P, Dehbi M, Torban E, Bruening W, Pelletier J. Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1. Oncogene. 1995 Jan 1;10(6):1125-1129.
Goodyer, P. ; Dehbi, Mohammed ; Torban, E. ; Bruening, W. ; Pelletier, J. / Repression of the retinoic acid receptor-α gene by the Wilms' tumor suppressor gene product, wt1. In: Oncogene. 1995 ; Vol. 10, No. 6. pp. 1125-1129.
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