Transcription factor assembly on the nicotinic receptor beta4 subunit gene promoter

Neuroreport. 2008 Apr 16;19(6):687-90. doi: 10.1097/WNR.0b013e3282fbcef7.

Abstract

Nicotinic acetylcholine receptors are involved in a plethora of fundamental biological processes ranging from muscle contraction to formation of memories. The receptors are pentameric proteins whose subunits are encoded by distinct genes. Subunit composition of a mature nicotinic receptor is governed in part by the transcriptional regulation of each subunit gene. Here, using chromatin immunoprecipitation assays, we report the interaction of the transcription factors Sp1, Sp3, c-Jun and Sox10 with the beta4 subunit gene promoter in neuronal-like cell lines and rodent brain tissue. Our results corroborate previous in-vitro data demonstrating that these transcription factors interact with the beta4 promoter. Taken together, these data suggest that Sp1, Sp3, c-Jun and Sox10 regulate expression of the beta4 subunit gene in the mammalian brain.

Publication types

  • Research Support, N.I.H., Extramural

MeSH terms

  • Animals
  • Blotting, Northern
  • Blotting, Western
  • Brain / physiology*
  • Cell Line
  • Gene Expression Regulation*
  • Immunoprecipitation
  • Mice
  • Neurons / physiology
  • Oligonucleotide Array Sequence Analysis
  • Polymerase Chain Reaction
  • Promoter Regions, Genetic / genetics*
  • Rats
  • Receptors, Nicotinic / genetics*
  • Transcription Factors / genetics*
  • Transcription, Genetic

Substances

  • Receptors, Nicotinic
  • Transcription Factors