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. 2009 Sep 16;14(12):1424–1434. doi: 10.1007/s10495-009-0400-4

Fig. 4.

Fig. 4

The role of ER stress in obesity related insulin resistance. JNK is a link between ER stress and insulin resistance. Inflammation and metabolic stress cause activation of the UPR. Activation of IRE1 results in JNK activation, leading to Ser phosphorylation of IRS1 and hence induction of insulin resistance