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Transcriptional activation of mouse cytosolic chaperonin CCT subunit genes by heat shock factors HSF1 and HSF2.

Abstract
The chaperonin containing TCP-1 (CCT) is a eukaryotic molecular chaperone consisting of eight subunit species and assists in the folding of cytosolic proteins. We show here that all eight mouse CCT subunit genes contain sequences called heat shock elements for binding heat shock transcription factors (HSFs) by electrophoretic mobility shift assays and that these genes are transcriptionally activated by HSFs in reporter gene assays using HeLa cells transiently overexpressing HSFs. These results suggest that HSF1 and/or HSF2 play a role in Cct gene expression.
AuthorsH Kubota, S Matsumoto, S Yokota, H Yanagi, T Yura
JournalFEBS letters (FEBS Lett) Vol. 461 Issue 1-2 Pg. 125-9 (Nov 12 1999) ISSN: 0014-5793 [Print] England
PMID10561509 (Publication Type: Journal Article)
Chemical References
  • DNA-Binding Proteins
  • HSF1 protein, human
  • HSP70 Heat-Shock Proteins
  • Heat Shock Transcription Factors
  • Heat-Shock Proteins
  • Tcp1 protein, mouse
  • Transcription Factors
  • HSF2 protein, human
  • Luciferases
  • Chaperonin Containing TCP-1
  • Chaperonins
Topics
  • Animals
  • Base Sequence
  • Chaperonin Containing TCP-1
  • Chaperonins (genetics, metabolism)
  • DNA-Binding Proteins (genetics, metabolism)
  • Genes, Reporter
  • HSP70 Heat-Shock Proteins (metabolism)
  • HeLa Cells
  • Heat Shock Transcription Factors
  • Heat-Shock Proteins (genetics, metabolism)
  • Humans
  • K562 Cells
  • Luciferases (metabolism)
  • Mice
  • Models, Genetic
  • Molecular Sequence Data
  • Protein Binding
  • Temperature
  • Transcription Factors (genetics, metabolism)
  • Transcriptional Activation

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