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. 2010 Jul 20;285(39):29965–29973. doi: 10.1074/jbc.M110.128694

FIGURE 6.

FIGURE 6.

Proposed mechanisms of palmitate-induced insulin resistance in HepG2 cells. High concentrations of palmitate stimulate excess generation of ROS derived by NOX3, which results in activation of JNK and p38MAPK pathways and in turn induces hepatic insulin resistance assessed by impaired glycogen synthesis and failure to suppress glucose production. GS, glycogen synthase.