Increase in hepatic and decrease in peripheral insulin clearance characterize abnormal temporal patterns of serum insulin in diabetic subjects

Kaoru Ohashi, Masashi Fujii, Shinsuke Uda, Hiroyuki Kubota, Hisako Komada, Kazuhiko Sakaguchi, Wataru Ogawa, Shinya Kuroda

Research output: Contribution to journalArticle

Abstract

Insulin plays a central role in glucose homeostasis, and impairment of insulin action causes glucose intolerance and leads to type 2 diabetes mellitus (T2DM). A decrease in the transient peak and sustained increase of circulating insulin following an infusion of glucose accompany T2DM pathogenesis. However, the mechanism underlying this abnormal temporal pattern of circulating insulin concentration remains unknown. Here we show that changes in opposite direction of hepatic and peripheral insulin clearance characterize this abnormal temporal pattern of circulating insulin concentration observed in T2DM. We developed a mathematical model using a hyperglycemic and hyperinsulinemic-euglycemic clamp in 111 subjects, including healthy normoglycemic and diabetic subjects. The hepatic and peripheral insulin clearance significantly increase and decrease, respectively, from healthy to borderline type and T2DM. The increased hepatic insulin clearance reduces the amplitude of circulating insulin concentration, whereas the decreased peripheral insulin clearance changes the temporal patterns of circulating insulin concentration from transient to sustained. These results provide further insight into the pathogenesis of T2DM, and thus may contribute to develop better treatment of this condition.
Original languageEnglish
Article number14
Journalnpj Systems Biology and Applications
Volume4
DOIs
Publication statusPublished - 2018

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Insulin
Liver
Serum
Type 2 Diabetes Mellitus
Glucose
Glucose Clamp Technique
Glucose Intolerance
Healthy Volunteers
Homeostasis
Theoretical Models

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Increase in hepatic and decrease in peripheral insulin clearance characterize abnormal temporal patterns of serum insulin in diabetic subjects. / Ohashi, Kaoru; Fujii, Masashi; Uda, Shinsuke; Kubota, Hiroyuki; Komada, Hisako; Sakaguchi, Kazuhiko; Ogawa, Wataru; Kuroda, Shinya.

In: npj Systems Biology and Applications, Vol. 4, 14, 2018.

Research output: Contribution to journalArticle

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AU - Ohashi, Kaoru

AU - Fujii, Masashi

AU - Uda, Shinsuke

AU - Kubota, Hiroyuki

AU - Komada, Hisako

AU - Sakaguchi, Kazuhiko

AU - Ogawa, Wataru

AU - Kuroda, Shinya

PY - 2018

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