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Tumor Necrosis Factor α-Mediated Insulin Resistance, but Not Dedifferentiation, Is Abrogated by MEK1/2 Inhibitors in 3T3-L1 Adipocytes

1 Oct 2000

Abstract excerpt

Tumor necrosis factor-alpha (TNFalpha) has been implicated as a contributing mediator of insulin resistance observed in pathophysiological conditions such as obesity, cancer-induced cachexia, and bacterial infections. Previous studies have demonstrated that TNFalpha confers insulin resistance by promoting phosphorylation of serine residues on insulin receptor substrate 1 (IRS-1), thereby diminishing subsequent...

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PMID: 11043572
DOI: 10.1210/mend.14.10.0542

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