Inhibited insulin signaling in mouse hepatocytes is associated with increased phosphatidic acid but not diacylglycerol

Chongben Zhang, Gwen Hwarng, Daniel E Cooper, Trisha Jean Grevengoed, James M Eaton, Viswanathan Natarajan, Thurl E Harris, Rosalind A Coleman

19 Citationer (Scopus)

Abstract

Background: Ahe mechanism underlying the association of triacylglycerol storage and insulin resistance is unclear. Results: Increasing phosphatidic acid (PA) in primary hepatocytes via de novo synthesis or action of phospholipase D or diacylglycerol kinase-θ disrupts insulin signaling. Conclusion: PA derived from different sources inhibits insulin signaling. Significance: Increases in hepatocyte PA may mechanistically link lipid storage and insulin action.

OriginalsprogEngelsk
TidsskriftThe Journal of Biological Chemistry
Vol/bind290
Udgave nummer6
Sider (fra-til)3519-28
Antal sider10
ISSN0021-9258
DOI
StatusUdgivet - 6 feb. 2015
Udgivet eksterntJa

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