Mutations in hepatocyte nuclear factor 4alpha (HNF4alpha) gene associated with diabetes result in greater loss of HNF4alpha function in pancreatic beta-cells than in nonpancreatic beta-cells and in reduced activation of the apolipoprotein CIII promoter in hepatic cells.

Abstract excerpt

Mutations in the HNF4alpha gene have been correlated with maturity-onset diabetes of the young, which is characterized mainly by pancreatic beta-cell dysfunction and is also associated with mild liver abnormalities. HNF4alpha D126Y and D126H mutations were found in a patient with early-onset type 2 diabetes, and the R324H mutation was found in a common type 2 diabetic nephropathic patient. We investigated whether...

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