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Oncogenic germ-line mutations in Sp1 and ATF sites in the human retinoblastoma gene

Academic Article
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Overview

authors

  • Sakai, T.
  • Ohtani, N.
  • McGee, T. L.
  • Robbins, Paul D.
  • Dryja, T. P.

publication date

  • September 1991

journal

  • Nature  Journal

abstract

  • The transcription of a eukaryotic gene is a consequence of intricate interactions between members of a set of transcription factors. We describe here evidence indicating that at least two distinct DNA-binding factors play an important part in the transcription of the human retinoblastoma gene (Rb). One of the factors reacts with a sequence overlapping with a potential Sp1 recognition sequence in the promoter region of the gene, the other with a nearby ATF recognition sequence. We have identified two naturally occurring point mutations in these recognition sequences that cause hereditary retinoblastoma. The nuclear factors do not bind to the mutant sequences. We infer that these nuclear factors are necessary for the expression of the Rb gene and the suppression of cancer.

subject areas

  • Activating Transcription Factors
  • Base Sequence
  • Binding Sites
  • Blood Proteins
  • Cell Line
  • Cloning, Molecular
  • DNA, Neoplasm
  • Gene Expression
  • Genes, Retinoblastoma
  • Humans
  • Molecular Sequence Data
  • Mutation
  • Pedigree
  • Sp1 Transcription Factor
  • Transcription Factors
  • Transcription, Genetic
  • Transfection
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Identity

International Standard Serial Number (ISSN)

  • 0028-0836

Digital Object Identifier (DOI)

  • 10.1038/353083a0

PubMed ID

  • 1881452
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Additional Document Info

start page

  • 83

end page

  • 90

volume

  • 353

issue

  • 6339

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