Abstract

Diabetes is associated with an alteration in cytochrome P450 2C11 (CYP2C11)-derived epoxyeicosatrienoic acid (EET) bioavailability. Decreased CYP2C11-derived EET bioavailability mediates hyperglycemia-induced glomerular injury. Decreased CYP2C11-derived EET bioavailability is associated with increased reactive oxygen species production, NADPH oxidase activity, and Nox4 expression in type 1 diabetes. Decreased CYP2C11-derived EET formation mediates hyperglycemia-induced glomerular injury through the activation of the vascular endothelial growth factor A (VEGF-A) signaling pathway. Inhibiting VEGF signaling using anti-VEGF or SU5416 attenuates type 1 diabetes-induced glomerular injury by decreasing NADPH oxidase activity and NOX4 expression.

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