Title : Inhibition of ATP citrate lyase induces triglyceride accumulation with altered fatty acid composition in cancer cells.

Pub. Date : 2014 Jul 1

PMID : 24310723






8 Functional Relationships(s)
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1 Inhibition of ATP citrate lyase induces triglyceride accumulation with altered fatty acid composition in cancer cells. Fatty Acids ATP citrate lyase Homo sapiens
2 ACLY depletion blocks the fatty acid chain elongation from C16 to C18 in triglyceride (TG), but not in other lipid classes. Fatty Acids ATP citrate lyase Homo sapiens
3 Meanwhile, wild-type ACLY overexpression enhanced fatty acid elongation of TG, whereas an inactive mutant ACLY did not change it. Fatty Acids ATP citrate lyase Homo sapiens
4 ACLY depletion-mediated blockade of fatty acid elongation was coincident with downregulation of long-chain fatty acid elongase ELOVL6, which resides in endoplasmic reticulum (ER). Fatty Acids ATP citrate lyase Homo sapiens
5 Consistent with this finding, metabolome analysis revealed that ACLY positively regulates the carnitine system, which plays as an essential cofactor for fatty acid transport across mitochondrial membrane. Fatty Acids ATP citrate lyase Homo sapiens
6 AICAR, an activator of mitochondrial fatty acid oxidation (FAO), significantly reduced ACLY depletion-mediated TG accumulation. Fatty Acids ATP citrate lyase Homo sapiens
7 These data indicate that inhibition of ACLY might affect both fatty acid elongation in ER and FAO in mitochondria, thereby explaining the TG accumulation with altered fatty acid composition. Fatty Acids ATP citrate lyase Homo sapiens
8 These data indicate that inhibition of ACLY might affect both fatty acid elongation in ER and FAO in mitochondria, thereby explaining the TG accumulation with altered fatty acid composition. Fatty Acids ATP citrate lyase Homo sapiens