Cited by 241Metabolism, Diabetes, and CancerPancreatic function and diabetesDiet, Metabolism, and Disease

Regulation of Postabsorptive and Postprandial Glucose Metabolism by Insulin-Dependent and Insulin-Independent Mechanisms: An Integrative Approach

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Dimitriadis, George D., Maratou, Eirini, Kountouri, Aikaterini, Board, Mary, Lambadiari, Vaia·2021·Nutrients

Abstract

Glucose levels in blood must be constantly maintained within a tight physiological range to sustain anabolism. Insulin regulates glucose homeostasis via its effects on glucose production from the liver and kidneys and glucose disposal in peripheral tissues (mainly skeletal muscle). Blood levels of glucose are regulated simultaneously by insulin-mediated rates of glucose production from the liver (and kidneys) and removal from muscle; adipose tissue is a key partner in this scenario, providing nonesterified fatty acids (NEFA) as an alternative fuel for skeletal muscle and liver when blood glucose levels are depleted. During sleep at night, the gradual development of insulin resistance, due to growth hormone and cortisol surges, ensures that blood glucose levels will be maintained within normal levels by: (a) switching from glucose to NEFA oxidation in muscle; (b) modulating glucose production from the liver/kidneys. After meals, several mechanisms (sequence/composition of meals, gastric emptying/intestinal glucose absorption, gastrointestinal hormones, hyperglycemia mass action effects, insulin/glucagon secretion/action, de novo lipogenesis and glucose disposal) operate in concert for optimal regulation of postprandial glucose fluctuations. The contribution of the liver in postprandial glucose homeostasis is critical. The liver is preferentially used to dispose over 50% of the ingested glucose and restrict the acute increases of glucose and insulin in the bloodstream after meals, thus protecting the circulation and tissues from the adverse effects of marked hyperglycemia and hyperinsulinemia.

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  1. [1]Bender D. Why eat? Introduction to Nutrition and Metabolism 2nd ed. Taylor & Francis London, UK Bristol, PA, USA 1997 1 10
  2. [44]Newsholme E.A. Leech T. Carbohydrate metabolism Functional Biochemistry in Health and Disease Willey-Blackwell Oxford, UK 2009 Chapter 6 97 127
  3. [157]Frayn K. Integration of carbohydrate, fat, and protein metabolism in normal daily life Metabolic Regulation: A Human Perspective 3rd ed. Willey-Blackwell Oxford, UK 2010 Chapter 7 169 212
  4. [300]Kahn S. Prigeon R.L. McCulloch D.K. Boyko E.J. Bergman R.N. Schwartz M.W. Neifing J.L. Ward W.K. Beard J.C. Palmer J.P. Quantification of the relationship between insulin sensitivity and β-cell function in human subjects Diabetes 1993 42 1663 1672 8405710

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Authors
Dimitriadis, G. D., Maratou, E., Kountouri, A., Board, M., & Lambadiari, V.
Affiliations
  • National and Kapodistrian University of Athens (GR)
  • University General Hospital Attikon (GR)
  • University of Oxford (GB)
Corresponding author
Dimitriadis, George D.
Venue
Nutrients
Publisher
MDPI AG
Published
2021-01-06
Volume
13
Issue
1
Pages
159
ISSN
2072-6643 (ISSN-L)
OpenAlex
W3118771552
Cited by
241
References
305
Citations by year
2026: 55 · 2025: 63 · 2024: 42 · 2023: 34 · 2022: 37 · 2021: 10
FWCI
3.22
Type
journal article
Language
en
Open access
Locations
  • Nutrients (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diet, Metabolism, and Disease
Keywords
glucose homeostasis, insulin resistance, postprandial blood glucose, hepatic glucose production, free fatty acids, adipose tissue, growth hormone, cortisol, glucagon, gastrointestinal hormones, gastric emptying, de novo lipogenesis, hyperglycemia, hyperinsulinemia, sleep
MeSH terms
Adipose Tissue, Blood Glucose, Fasting, Fatty Acids, Nonesterified, Gastric Emptying, Glucose, Homeostasis, Humans, Hyperglycemia, Hyperinsulinism, Hypoglycemia, Insulin, Insulin Resistance, Kidney, Liver, Muscle, Skeletal, Postprandial Period, Incretins, Meals

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