Cited by 388Pancreatic function and diabetesDiabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and Research

Insulin deficiency and insulin resistance interaction in diabetes: Estimation of their relative contribution by feedback analysis from basal plasma insulin and glucose concentrations

Turner, R.C., Holman, R.R., Matthews, D., Hockaday, T.D.R., Peto, J.·1979·Metabolism

Abstract

The liver and beta cells function in a negative feedback loop, which appears to have a predominant role in regulating both the basal plasma glucose and insulin concentrations. The degree of basal hyperglycemia in diabetes probably provides a bioassay of both the effect of a reduction in insulin secretory capacity and the degree of insulin resistance. A mathematic model of the interaction of insulin deficiency and insulin resistance has been constructed, based on the known response characteristics of the beta cells to glucose, and of plasma glucose and insulin control of hepatic and peripherpal glucose flux. The degree to which beta cell deficiency increases basal plasma glucose reflects the hyperbolic shape of the normal insulin secretory response to different glucose concentrations. The height of basal plasma insulin is a function of the degree of insulin resistance. From the basal plasma insulin and glucose concentrations, the model provides an estimate of the degree to which both beta cell deficiency and insulin resistance contribute to diabetes. The predictions arising from the model are in accord with experimental data in man and in animals. In normal-weight diabetics who do not have increased insulin resistance, the model predicts that more than 85% of beta cell function has to be lost for the basal plasma glucose to rise to 6 mmol/liter, but a further 5%--10% loss increases the basal plasma glucose to over 10 mmol/liter. In a third of a consecutive series of 65 newly p…

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Crossref · 10.1016/0026-0495(79)90146-x

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Authors
Turner, R. C., Holman, R. R., Matthews, D., Hockaday, T. D. R., & Peto, J.
Affiliations
University of Oxford (GB)
Corresponding author
Turner, R.C.
Venue
Metabolism
Publisher
Elsevier BV
Published
1979-11
Volume
28
Issue
11
Pages
1086-1096
ISSN
0026-0495 (ISSN-L)
OpenAlex
W2157739430
Cited by
388
References
5
Citations by year
2026: 3 · 2025: 9 · 2024: 15 · 2023: 9 · 2022: 18 · 2021: 11 · 2020: 20 · 2019: 15 · 2018: 18 · 2017: 12 · 2016: 19 · 2015: 24 · 2014: 22 · 2013: 17 · 2012: 18
FWCI
5.97
Type
journal article
Language
en
Open access
closed
Locations
  • Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
insulin deficiency, insulin resistance, type 2 diabetes, beta-cell function, negative feedback loop, mathematical model, hyperglycemia, obesity, insulin secretion
MeSH terms
Blood Glucose, Diabetes Mellitus, Feedback, Humans, Insulin, Insulin Resistance, Islets of Langerhans, Kinetics, Models, Biological, Obesity

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