Sterol regulation of acetyl coenzyme A carboxylase

A mechanism for coordinate control of cellular lipid

Jose M. Lopez, Mary K. Bennett, Hugo B. Sanchez, John M. Rosenfeld, Timothy Osborne

Research output: Contribution to journalArticle

Abstract

Transcription from the housekeeping promoter for the acetyl coenzyme A carboxylase (ACC) gene, which encodes the rate-controlling enzyme of fatty acid biosynthesis, is shown to be regulated by cellular sterol levels through novel binding sites for the sterol-sensitive sterol regulatory element binding protein (SREBP)-1 transcription factor. The position of the SREBP sites relative to those for the ubiquitous auxiliary transcription factor Sp1 is reminiscent of that previously described for the sterol-regulated low density lipoprotein receptor promoter. The experiments provide molecular evidence that the metabolism of fatty acids and cholesterol, two different classes of essential cellular lipids, are coordinately regulated by cellular lipid levels.

Original languageEnglish (US)
Pages (from-to)1049-1053
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume93
Issue number3
DOIs
StatePublished - Feb 6 1996
Externally publishedYes

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Acetyl-CoA Carboxylase
Sterols
Lipids
Fatty Acids
Sterol Regulatory Element Binding Proteins
Binding Sites
Sp1 Transcription Factor
Sterol Regulatory Element Binding Protein 1
Housekeeping
LDL Receptors
Transcription Factors
Cholesterol
Enzymes
Genes

ASJC Scopus subject areas

  • Genetics
  • General

Cite this

Sterol regulation of acetyl coenzyme A carboxylase : A mechanism for coordinate control of cellular lipid. / Lopez, Jose M.; Bennett, Mary K.; Sanchez, Hugo B.; Rosenfeld, John M.; Osborne, Timothy.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 93, No. 3, 06.02.1996, p. 1049-1053.

Research output: Contribution to journalArticle

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