Involvement of protein kinase C in cAMP regulation of myelin basic protein gene expression

S. Anderson, Robin Miskimins

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Since synthesis of myelin components has been seen to be stimulated by cAMP in both oligodendrocytes and Schwann cells we have begun investigating the specific sequence(s) in the 5′ flanking region of the myelin basic protein (MBP) gene that are responsible for the induction of MBP transcription by cAMP. Using stably transfected cell lines containing various deletions of the MBP promoter directing the bacterial chloramphenicol acetyltransferase (CAT) gene we have identified a region of the MBP gene that is inhibitory to stimulation by increased cAMP levels. This inhibition can be overcome by pretreating the cells with 12‐O‐tetradecanoylphorbol 13‐acetate (TPA) for 48 hr. The effects on MBP gene expression modulated by TPA and cAMP involve altered DNA‐protein interactions in the 5′ end of the MBP promoter. The effect of TPA also appears to be mediated by down‐regulation of protein kinase C. © 1994 Wiley‐Liss, Inc.

Original languageEnglish (US)
Pages (from-to)604-611
Number of pages8
JournalJournal of Neuroscience Research
Volume37
Issue number5
DOIs
StatePublished - Jan 1 1994

Fingerprint

Myelin Basic Protein
Protein Kinase C
Gene Expression
Genes
Chloramphenicol O-Acetyltransferase
5' Flanking Region
Schwann Cells
Oligodendroglia
Myelin Sheath
Down-Regulation
Cell Line

Keywords

  • TPA
  • cyclic AMP
  • isobutylmethylxanthine
  • myelin basic protein

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Involvement of protein kinase C in cAMP regulation of myelin basic protein gene expression. / Anderson, S.; Miskimins, Robin.

In: Journal of Neuroscience Research, Vol. 37, No. 5, 01.01.1994, p. 604-611.

Research output: Contribution to journalArticle

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