Cited by 699Metabolism, Diabetes, and CancerAdipokines, Inflammation, and Metabolic DiseasesDiabetes, Cardiovascular Risks, and Lipoproteins

Mechanisms of insulin resistance in obesity

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Ye, Jianping·2013·Frontiers of Medicine

Abstract

Obesity increases the risk for type 2 diabetes through induction of insulin resistance. Treatment of type 2 diabetes has been limited by little translational knowledge of insulin resistance although there have been several well-documented hypotheses for insulin resistance. In those hypotheses, inflammation, mitochondrial dysfunction, hyperinsulinemia and lipotoxicity have been the major concepts and have received a lot of attention. Oxidative stress, endoplasmic reticulum (ER) stress, genetic background, aging, fatty liver, hypoxia and lipodystrophy are active subjects in the study of these concepts. However, none of those concepts or views has led to an effective therapy for type 2 diabetes. The reason is that there has been no consensus for a unifying mechanism of insulin resistance. In this review article, literature is critically analyzed and reinterpreted for a new energy-based concept of insulin resistance, in which insulin resistance is a result of energy surplus in cells. The energy surplus signal is mediated by ATP and sensed by adenosine monophosphate-activated protein kinase (AMPK) signaling pathway. Decreasing ATP level by suppression of production or stimulation of utilization is a promising approach in the treatment of insulin resistance. In support, many of existing insulin sensitizing medicines inhibit ATP production in mitochondria. The effective therapies such as weight loss, exercise, and caloric restriction all reduce ATP in insulin sensitive cells. This new concept provides a unifying cellular and molecular mechanism of insulin resistance in obesity, which may apply to insulin resistance in aging and lipodystrophy.

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Authors
Ye, J.
Affiliations
Pennington Biomedical Research Center (US)
Corresponding author
Ye, Jianping
Venue
Frontiers of Medicine
Published
2013-03
Volume
7
Issue
1
Pages
14-24
ISSN
  • 1673-7342 (ISSN-L)
  • 2095-0217
  • 2095-0225
OpenAlex
W2081827377
Cited by
699
References
123
Citations by year
2026: 14 · 2025: 33 · 2024: 47 · 2023: 58 · 2022: 73 · 2021: 81 · 2020: 95 · 2019: 98 · 2018: 49 · 2017: 39 · 2016: 35 · 2015: 35 · 2014: 31 · 2013: 10
FWCI
3.48
Type
journal article
Language
en
Open access
Locations
  • Frontiers of Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute for Health and Care Research
  • National Institutes of Health
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-085495, R56DK068036, R01DK085495, R01DK068036, DK068036)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
Keywords
insulin resistance, obesity, type 2 diabetes, energy surplus, ATP, AMPK signaling, mitochondrial dysfunction, insulin sensitizers, weight loss, physical activity, caloric restriction, aging, lipodystrophy, oxidative stress, endoplasmic reticulum stress, lipotoxicity, hyperinsulinemia, inflammation
MeSH terms
Diabetes Mellitus, Type 2, Energy Metabolism, Fatty Acids, Nonesterified, Humans, Hyperinsulinism, Inflammation, Insulin, Insulin Resistance, Mitochondria, Obesity, Risk Factors, Signal Transduction, Metabolic Networks and Pathways, AMP-Activated Protein Kinases

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