ATP-citrate lyase links cellular metabolism to histone acetylation.

ATP-citrate lyase links cellular metabolism to histone acetylation.
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DOI:
10.1126/science.1164097
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发表时间:
2009-05-22
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Thompson CB
Thompson CB
中科院分区:
其他
文献类型:
--
作者:
Wellen KE;Hatzivassiliou G;Sachdeva UM;Bui TV;Cross JR;Thompson CB

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Histone acetylation in single cell eukaryotes relies on acetyl-CoA synthetase enzymes that utilize acetate to produce acetyl-CoA. Metazoans, however, use glucose as their main carbon source and have exposure to only low concentrations of extracellular acetate. We show that histone acetylation in mammalian cells is dependent on ATP-citrate lyase (ACL), the enzyme that converts glucose-derived citrate into acetyl-CoA. We find that ACL is required for increases in histone acetylation in response to growth factor stimulation and during differentiation, and that glucose availability can impact 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.
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