Cited by 145Nitric Oxide and Endothelin EffectsDiabetes, Cardiovascular Risks, and LipoproteinsCardiovascular Function and Risk Factors

The link between metabolic abnormalities and endothelial dysfunction in type 2 diabetes: An update

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Zhang, Hanrui, Dellsperger, Kevin C., Zhang, Cuihua·2012·Basic Research in Cardiology

Abstract

Despite abundant clinical evidence linking metabolic abnormalities to diabetic vasculopathy, the molecular basis of individual susceptibility to diabetic vascular complications is still largely undetermined. Endothelial dysfunction in diabetes-associated vascular complications is considered an early stage of vasculopathy and has attracted considerable research interests. Type 2 diabetes is characterized by metabolic abnormalities, such as hyperglycemia, excess liberation of free fatty acids (FFA), insulin resistance and hyperinsulinemia. These abnormalities exert pathological impact on endothelial function by attenuating endothelium-mediated vasomotor function, enhancing endothelial apoptosis, stimulating endothelium activation/endothelium-monocyte adhesion, promoting an atherogenic response and suppressing barrier function. There are multiple signaling pathways contributing to the adverse effects of glucotoxicity on endothelial function. Insulin maintains the normal balance for release of several factors with vasoactive properties. Abnormal insulin signaling in the endothelium does not affect the whole-body glucose metabolism, but impairs endothelial response to insulin and accelerates atherosclerosis. Excessive level of FFA is implicated in the pathogenesis of insulin resistance. FFA induces endothelial oxidative stress, apoptosis and inflammatory response, and inhibits insulin signaling. Although hyperglycemia, insulin resistance, hyperinsulinemia and dyslipidemia independently contribute to endothelial dysfunction via various distinct mechanisms, the mutual interactions may synergistically accelerate their adverse effects. Oxidative stress and inflammation are predicted to be among the first alterations which may trigger other downstream mediators in diabetes associated with endothelial dysfunction. These mechanisms may provide insights into potential therapeutic targets that can delay or reverse diabetic vasculopathy.

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  • Endothelial dysfunction is attributed to many causes, including oxidative stress, chronic inflammation, and endothelium activation, in diabetes, which exhibits excessive free fatty acid, insulin resistance, and/or hyperglycemia.

    “Endothelial dysfunction is attributed to many causes, including oxidative stress, chronic inflammation, and endothelium activation, in diabetes, which exhibits excessive free fatty acid (FFA), insulin resistance, and/or hyperglycemia [216,217].”

    From AMPK, Mitochondrial Function, and Cardiovascular Disease (2020) · cites this paper as [216]

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Authors
Zhang, H., Dellsperger, K. C., & Zhang, C.
Affiliations
University of Missouri (US)
Corresponding author
Zhang, Hanrui
Venue
Basic Research in Cardiology
Published
2011-12-22
Volume
107
Issue
1
Pages
237-237
ISSN
  • 0003-9217 (ISSN-L)
  • 0300-8428
  • 1435-1803
OpenAlex
W2019514289
Cited by
144
References
109
Citations by year
2026: 10 · 2025: 9 · 2024: 7 · 2023: 6 · 2022: 11 · 2021: 7 · 2020: 6 · 2019: 5 · 2018: 11 · 2017: 7 · 2016: 15 · 2015: 11 · 2014: 10 · 2013: 16 · 2012: 12
FWCI
1.30
Type
journal article
Language
en
Open access
Locations
  • Basic Research in Cardiology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • American Heart Association
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (R01HL085119, R01HL077566)
Topics
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Function and Risk Factors
Keywords
endothelial dysfunction, type 2 diabetes, diabetic vascular disease, hyperglycemia, free fatty acids, insulin resistance, hyperinsulinemia, dyslipidemia, glucotoxicity, endothelial oxidative stress, endothelial cell apoptosis, endothelial inflammation, endothelial barrier function, atherosclerosis, insulin signaling, therapeutic target
MeSH terms
Animals, Diabetes Mellitus, Type 2, Endothelium, Vascular, Fatty Acids, Nonesterified, Humans, Hyperglycemia, Insulin Resistance, Vasomotor System

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