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Hyperproinsulinemia is a disease where insulin is not sufficiently processed before secretion and immature forms of insulin make up the majority of circulating insulin immunoreactivity in both fasting and glucose-stimulated conditions (insulin immunoreactivity refers to all molecules detectable by an insulin antibody, i.e. insulin, proinsulin, and proinsulin-like material). The term is composed of hyper - high, proinsulin - immature insulin molecule, and -emia - blood condition.

Hyperproinsulinemia is more frequent in type 2 diabetes. It has been attributed to either a direct β-cells defect or an indirect effect of cell dysregulation under sustained elevated blood glucose (hyperglycemia).

Some alleles of insulin can cause hyperproinsulinemia (see table 2: monogenic forms of type 1 diabetes, INS (insulin). For a more detailed descriptions of the insulin gene variations leading to hyperproinsulinemia see NCBI's OMIM 176730

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Hyperproinsulinemia". A list of authors is available in Wikipedia.
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