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ATP-Citrate Lyase Links Cellular Metabolism to Histone Acetylation
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ATP-Citrate Lyase Links Cellular Metabolism to Histone Acetylation
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Journal Article
ATP-Citrate Lyase Links Cellular Metabolism to Histone Acetylation
2009
Overview
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.
Publisher
American Association for the Advancement of Science,The American Association for the Advancement of Science
Subject
/ Acetate-CoA Ligase - genetics
/ Acetate-CoA Ligase - metabolism
/ Acetates
/ Acetyl Coenzyme A - metabolism
/ Animalia
/ Animals
/ ATP
/ ATP Citrate (pro-S)-Lyase - genetics
/ ATP Citrate (pro-S)-Lyase - metabolism
/ Biological and medical sciences
/ carbon
/ Cell metabolism, cell oxidation
/ citrates
/ Enzymes
/ Fundamental and applied biological sciences. Psychology
/ Glucose
/ Histone Deacetylase Inhibitors
/ Histone Deacetylases - metabolism
/ Histones
/ Humans
/ Intercellular Signaling Peptides and Proteins - metabolism
/ mammals
/ Metazoa
/ Mice
