Cited by 395Cancer, Lipids, and MetabolismLipid metabolism and biosynthesisMetabolism, Diabetes, and Cancer

ATP-citrate lyase controls a glucose-to-acetate metabolic switch

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Zhao, Steven, Torres, AnnMarie, Henry, Ryan A., Trefely, Sophie, Wallace, Martina, Lee, Joyce V., Carrer, Alessandro, Sengupta, Arjun +11 more·2016·Cell Reports

Abstract

Mechanisms of metabolic flexibility enable cells to survive under stressful conditions and can thwart therapeutic responses. Acetyl-coenzyme A (CoA) plays central roles in energy production, lipid metabolism, and epigenomic modifications. Here, we show that, upon genetic deletion of Acly, the gene coding for ATP-citrate lyase (ACLY), cells remain viable and proliferate, although at an impaired rate. In the absence of ACLY, cells upregulate ACSS2 and utilize exogenous acetate to provide acetyl-CoA for de novo lipogenesis (DNL) and histone acetylation. A physiological level of acetate is sufficient for cell viability and abundant acetyl-CoA production, although histone acetylation levels remain low in ACLY-deficient cells unless supplemented with high levels of acetate. ACLY-deficient adipocytes accumulate lipid in vivo, exhibit increased acetyl-CoA and malonyl-CoA production from acetate, and display some differences in fatty acid content and synthesis. Together, these data indicate that engagement of acetate metabolism is a crucial, although partial, mechanism of compensation for ACLY deficiency.

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Crossref · 10.1016/j.celrep.2016.09.069

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  • Malignant cells share a common metabolic trait, namely that they can acquire and use nutrients from a predominantly nutrient-poor environment.

    “Notwithstanding the diversity of cancers, malignant cells share a common metabolic trait, namely that they can acquire and use nutrients from a predominantly nutrient-poor environment, a modus operandi that emerged as a promising target to battle tumors (202–205).”

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Authors
Zhao, S., Torres, A., Henry, R. A., Trefely, S., Wallace, M., Lee, J. V., Carrer, A., Sengupta, A., Campbell, S. L., Kuo, Y.-M., Frey, A. J., Meurs, N., Viola, J. M., Blair, I. A., Weljie, A. M., Metallo, C. M., Snyder, N. W., Andrews, A. J., & Wellen, K. E.
Affiliations
  • University of Pennsylvania (US)
  • Fox Chase Cancer Center (US)
  • Drexel University (US)
  • University of California San Diego (US)
Corresponding author
Wellen, Kathryn E.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2016-10
Volume
17
Issue
4
Pages
1037-1052
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2536126966
Cited by
394
References
52
Citations by year
2026: 34 · 2025: 44 · 2024: 46 · 2023: 52 · 2022: 44 · 2021: 44 · 2020: 37 · 2019: 37 · 2018: 38 · 2017: 15 · 2016: 2
FWCI
12.77
Type
journal article
Language
en
Open access
Locations
  • Cell Reports (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Padua Research Archive (University of Padova) (submittedVersion, cc-by-nc-nd)
Funders
  • American Diabetes Association
  • University of Pennsylvania
  • Abramson Cancer Center
  • National Institutes of Health
  • National Cancer Institute (T32CA115299, R01CA174761, F31CA189744, R01CA188652, P30CA006927, P30CA016520)
  • National Institute of General Medical Sciences (R01GM102503, K12GM081259)
  • National Institute of Environmental Health Sciences (K22ES026235, P30ES013508)
  • Abramson Family Cancer Research Institute
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R21HD087866)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
ATP citrate lyase, acetate metabolism, acetyl-CoA, de novo lipogenesis, histone acetylation, ACSS2, metabolic flexibility, adipocytes, lipid accumulation, malonyl-CoA, fatty acid synthesis, metabolic compensation
MeSH terms
Acetates, Acetyl Coenzyme A, Acetate-CoA Ligase, Acetylation, Animals, ATP Citrate (pro-S)-Lyase, Cell Survival, Fibroblasts, Glucose, Histones, Lipids, Male, Up-Regulation, Gene Deletion, Adipocytes, Cell Proliferation, Lipid Metabolism, Mice

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