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Lactate, a product of glycolytic metabolism, inhibits histone deacetylase activity and promotes changes in gene expression

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Date
06/2012
Author
Latham, Tom
Mackay, Logan
Sproul, Duncan
Karim, Muhammed
Culley, Jayne
Harrison, David J.
Hayward, Larry
Langridge-Smith, Pat
Gilbert, Nick
Ramsahoye, Bernard H.
Keywords
Lactate
Glycolytic matabolism
Histone deacetylase (HDAC)
Gene expression
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Abstract
Chemical inhibitors of histone deacetylase (HDAC) activity are used as experimental tools to induce histone hyperacetylation and deregulate gene transcription, but it is not known whether the inhibition of HDACs plays any part in the normal physiological regulation of transcription. Using both in vitro and in vivo assays, we show that lactate, which accumulates when glycolysis exceeds the cell's aerobic metabolic capacity, is an endogenous HDAC inhibitor, deregulating transcription in an HDAC-dependent manner. Lactate is a relatively weak inhibitor (IC50 40 mM) compared to the established inhibitors trichostatin A and butyrate, but the genes deregulated overlap significantly with those affected by low concentrations of the more potent inhibitors. HDAC inhibition causes significant up and downregulation of genes, but genes that are associated with HDAC proteins are more likely to be upregulated and less likely to be downregulated than would be expected. Our results suggest that the primary effect of HDAC inhibition by endogenous short-chain fatty acids like lactate is to promote gene expression at genes associated with HDAC proteins. Therefore, we propose that lactate may be an important transcriptional regulator, linking the metabolic state of the cell to gene transcription.
Citation
Latham , T , Mackay , L , Sproul , D , Karim , M , Culley , J , Harrison , D J , Hayward , L , Langridge-Smith , P , Gilbert , N & Ramsahoye , B H 2012 , ' Lactate, a product of glycolytic metabolism, inhibits histone deacetylase activity and promotes changes in gene expression ' , Nucleic Acids Research , vol. 40 , no. 11 , pp. 4794-4803 . https://doi.org/10.1093/nar/gks066
Publication
Nucleic Acids Research
Status
Peer reviewed
DOI
https://doi.org/10.1093/nar/gks066
ISSN
0305-1048
Type
Journal article
Rights
© The Author(s) 2012. Published by Oxford University Press. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/4272

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