Abstract
Histone acetylation in single-cell eukaryotes relies on acetyl coenzyme A (acetyl-CoA) synthetase enzymes that use acetate to produce acetyl-CoA. Metazoans, however, use glucose as their main carbon source and have exposure only to low concentrations of extracellular acetate. We have shown that histone acetylation in mammalian cells is dependent on adenosine triphosphate (ATP)-citrate lyase (ACL), the enzyme that converts glucose-derived citrate into acetyl-CoA. We found that ACL is required for increases in histone acetylation in response to growth factor stimulation and during differentiation, and that glucose availability can affect histone acetylation in an ACL-dependent manner. Together, these findings suggest that ACL activity is required to link growth factor-induced increases in nutrient metabolism to the regulation of histone acetylation and gene expression.
MeSH Terms
3T3 Cells
ATP Citrate (pro-S)-Lyase/genetics,metabolism
Acetate-CoA Ligase/genetics,metabolism
Acetyl Coenzyme A/metabolism
Acetylation
Adipocytes/cytology,metabolism
Animals
Cell Differentiation
Cell Line
Cell Line, Tumor
Cell Nucleus/enzymology
Cell Proliferation
Citric Acid/metabolism
Cytoplasm/enzymology
Gene Expression Regulation
Glucose/metabolism
Glycolysis
Histone Deacetylase Inhibitors
Histone Deacetylases/metabolism
Histones/metabolism
Humans
Intercellular Signaling Peptides and Proteins/metabolism
Interleukin-3/metabolism
Mice
RNA Interference
Transcription, Genetic
Chemicals
Histone Deacetylase Inhibitors
Histones
Intercellular Signaling Peptides and Proteins
Interleukin-3
Citric Acid
Acetyl Coenzyme A
ATP Citrate (pro-S)-Lyase
Histone Deacetylases
Acetate-CoA Ligase
Glucose
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Wellen Kathryn E
Department of Cancer Biology, Abramson Family Cancer Research Institute, University of Pennsylvania, Philadelphia, PA 19104, USA.
Hatzivassiliou Georgia
Sachdeva Uma M
Bui Thi V
Cross Justin R
Thompson Craig B
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