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Monoacylglycerol lipase regulates a fatty acid network that promotes cancer pathogenesis

Academic Article
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Overview

related to degree

  • Long, Jonathan, Ph.D. in Chemistry, Scripps Research 2007 - 2011

authors

  • Nomura, D. K.
  • Long, Jonathan
  • Niessen, Sherry
  • Hoover, H. S.
  • Ng, S. W.
  • Cravatt, Benjamin

publication date

  • January 2010

journal

  • Cell  Journal

abstract

  • Tumor cells display progressive changes in metabolism that correlate with malignancy, including development of a lipogenic phenotype. How stored fats are liberated and remodeled to support cancer pathogenesis, however, remains unknown. Here, we show that the enzyme monoacylglycerol lipase (MAGL) is highly expressed in aggressive human cancer cells and primary tumors, where it regulates a fatty acid network enriched in oncogenic signaling lipids that promotes migration, invasion, survival, and in vivo tumor growth. Overexpression of MAGL in nonaggressive cancer cells recapitulates this fatty acid network and increases their pathogenicity-phenotypes that are reversed by an MAGL inhibitor. Impairments in MAGL-dependent tumor growth are rescued by a high-fat diet, indicating that exogenous sources of fatty acids can contribute to malignancy in cancers lacking MAGL activity. Together, these findings reveal how cancer cells can co-opt a lipolytic enzyme to translate their lipogenic state into an array of protumorigenic signals. PAPERFLICK:

subject areas

  • Animals
  • Cell Line
  • Fatty Acids
  • Female
  • Humans
  • Mice
  • Monoacylglycerol Lipases
  • Monoglycerides
  • Neoplasm Transplantation
  • Ovarian Neoplasms
  • Transplantation, Heterologous
  • Tumor Cells, Cultured
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Identity

PubMed Central ID

  • PMC2885975

International Standard Serial Number (ISSN)

  • 0092-8674

Digital Object Identifier (DOI)

  • 10.1016/j.cell.2009.11.027

PubMed ID

  • 20079333
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Additional Document Info

start page

  • 49

end page

  • 61

volume

  • 140

issue

  • 1

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