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Acetyl-CoA promotes glioblastoma cell adhesion and migration through Ca2+-NFAT signaling
Journal article   Open access   Peer reviewed

Acetyl-CoA promotes glioblastoma cell adhesion and migration through Ca2+-NFAT signaling

Joyce V. Lee, Corbett T. Berry, Karla Kim, Payel Sen, Taehyong Kim, Alessandro Carrer, Sophie Trefely, Steven Zhao, Sully Fernandez, Lauren E. Barney, …
Genes & development, v 32(7-8), pp 497-511
01 Apr 2018
PMID: 29674394
url
https://doi.org/10.1101/gad.311027.117View
Published, Version of Record (VoR)CC BY-NC V4.0 Open

Abstract

Cell Biology Developmental Biology Genetics & Heredity Life Sciences & Biomedicine Science & Technology
The metabolite acetyl-coenzyme A (acetyl-CoA) is the required acetyl donor for lysine acetylation and thereby links metabolism, signaling, and epigenetics. Nutrient availability alters acetyl-CoA levels in cancer cells, correlating with changes in global histone acetylation and gene expression. However, the specific molecular mechanisms through which acetyl-CoA production impacts gene expression and its functional roles in promoting malignant phenotypes are poorly understood. Here, using histone H3 Lys27 acetylation (H3K27ac) ChIP-seq (chromatin immunoprecipitation [ChIP] coupled with next-generation sequencing) with normalization to an exogenous reference genome (ChIP-Rx), we found that changes in acetyl-CoA abundance trigger site-specific regulation of H3K27ac, correlating with gene expression as opposed to uniformly modulating this mark at all genes. Genes involved in integrin signaling and cell adhesion were identified as acetyl-CoA-responsive in glioblastoma cells, and we demonstrate that ATP citrate lyase (ACLY)-dependent acetyl-CoA production promotes cell migration and adhesion to the extracellular matrix. Mechanistically, the transcription factor NFAT1 (nuclear factor of activated T cells 1) was found to mediate acetyl-CoA-dependent gene regulation and cell adhesion. This occurs through modulation of Ca2+ signals, triggering NFAT1 nuclear translocation when acetyl-CoA is abundant. The findings of this study thus establish that acetyl-CoA impacts H3K27ac at specific loci, correlating with gene expression, and that expression of cell adhesion genes are driven by acetyl-CoA in part through activation of Ca2+-NFAT signaling.

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Collaboration types
Domestic collaboration
Web of Science research areas
Cell Biology
Developmental Biology
Genetics & Heredity
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