Research
Hormonal
Chronic hyperglycemia accelerates atherosclerosis through three distinct mechanisms: formation of advanced glycation end products (AGEs) that modify LDL, increased oxidative stress reducing nitric oxide, and pathologic activation of Protein Kinase C (PKC).
High blood sugar damages arteries through multiple pathways, including modifying LDL particles and increasing oxidative stress. Managing glucose is important, but it is only one part of the equation; insulin resistance and lipid management are equally critical.
GoodSupportsHIGH confidence
Three major mechanisms have been described to facilitate these outcomes: (a) nonenzymatic glycosylation of proteins and lipids, (b) oxidative stress, and (c) protein kinase C (PKC) activation.
Why this rating
Supported by meta-analyses and established molecular biology, though the paper is a commentary.
Source
Atherosclerosis: Pathophysiology of insulin resistance, hyperglycemia, hyperlipidemia, and inflammation
Joshua Beverly et al. · Journal of Diabetes · 2019
DOI 10.1111/1753-0407.12970
narrative_reviewCited 220×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
More from this paper
- Atherogenesis is fundamentally driven by the accumulation of oxidatively modified LDL in the arterial intima, facilitated by endothelial dysfunction and scavenger receptor uptake by macrophages to form foam cells.Strong
- Insulin resistance promotes atherosclerosis through impaired insulin signaling (specifically reduced PI-3 kinase activation) which decreases nitric oxide production, leading to endothelial dysfunction and accelerated plaque progression, independent of hyperglycemia.Good
- Inflammation is involved in every step of the atherosclerotic process, from initial lipid retention to plaque destabilization, mediated by both innate (macrophages, TLRs) and adaptive (T cells, B cells) immune responses.Good
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