Demonstration of glucose inhibition of insulin release in the presence of diazoxide.

Abstract

beta-Cell-rich pancreatic islets from ob/ob mice were taken for measurements of insulin release in response to glucose after culture in RPMI 1640 medium. The stimulatory effect of 20 mmol/l glucose was converted into an inhibition when the medium was supplemented with 400 mumol/l diazoxide. Glucose inhibition of insulin release was observed when the islets… (More)

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