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hyperproinsulinemia

   Also found in: Wikipedia 0.01 sec.
hyperproinsulinemia /hy·per·pro·in·su·lin·emia/ (-pro-in″sah-lĭ-ne´me-ah) elevated levels of proinsulin or proinsulin-like material in the blood.
hy·per·pro·in·su·li·ne·mi·a (hpr-pr-ns-l-nm-)
n.
Elevated levels of proinsulin or proinsulinlike material in the blood.

hyperproinsulinemia
the presence of proinsulin in excess of normal concentrations in the blood.


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In this study, total proinsulin concentrations were in accord with previously published reports of 10% (proinsulin:insulin) for samples from persons without diabetes and 20% for patients with type 2 diabetes (24), with no samples displaying inappropriate hyperproinsulinemia (25).
Increased secretory demand rather than a defect in the proinsulin conversion mechanism causes hyperproinsulinemia in a glucose-infusion rat model of non-insulin-dependent diabetes mellitus.
However, in patients suffering from type I (10) or type II diabetes (11-13), familial hyperproinsulinemia (14,15), or insulinoma (16), the insulin concentration can be overestimated by the relatively high concentrations of proinsulin and conversion intermediates.
 
 
 
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