Cited by 196Lipid metabolism and disordersLipoproteins and Cardiovascular HealthDiabetes, Cardiovascular Risks, and Lipoproteins

The Roles of ApoC-III on the Metabolism of Triglyceride-Rich Lipoproteins in Humans

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Borén, Jan, Packard, Chris J., Taskinen, Marja-Riitta·2020·Frontiers in Endocrinology

Abstract

Cardiovascular disease (CVD) is the leading cause of death globally. It is well established based on evidence accrued during the last three decades that high plasma concentrations of cholesterol-rich atherogenic lipoproteins are causatively linked to CVD, and that lowering these reduces atherosclerotic cardiovascular events in humans.1-9 Historically, most attention has been on low-density lipoproteins (LDL) since these are the most abundant atherogenic lipoproteins in the circulation, and thus the main carrier of cholesterol into the artery wall. However, with the rise of obesity and insulin resistance in many populations, there is increasing interest in the role of triglyceride-rich lipoproteins (TRLs) and their metabolic remnants, with accumulating evidence showing they too are causatively linked to CVD. Plasma triglyceride, measured either in the fasting or non-fasting state, is a useful index of the abundance of TRLs and recent research into the biology and genetics of triglyceride heritability has provided new insight into the causal relationship of TRLs with CVD. Of the genetic factors known to influence plasma triglyceride levels variation in APOC3 - the gene for apolipoprotein (apo) C-III - has emerged as being particularly important as a regulator of triglyceride transport and a novel therapeutic target to reduce dyslipidaemia and CVD risk.

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Crossref · 10.3389/fendo.2020.00474

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  • The reduction in apolipoprotein C-III levels by conventional triglyceride-lowering agents such as fibrates and omega-3 fatty acids is modest (10 to 40%).

    “Moreover, the reduction in apolipoprotein C-III levels by the conventional triglyceride-lowering agents, such as fibrates and omega-3 fatty acids, is modest (10 to 40%)”

    From Olezarsen, Acute Pancreatitis, and Familial Chylomicronemia Syndrome (2024) · cites this paper as [34]

    The Pharmacological Interventions section describes these reductions as moderate and reports that omega-3 fatty acids reduce plasma apoC-III by 20–30%. It gives the 10–40% range for fibrates’ reduction of APOC3 expression, however, not for their reduction of apoC-III protein levels. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Elevated apoC-III levels are associated with increased circulating TG, impaired remnant clearance, and a heightened burden of atherogenic lipoproteins.

    “Elevated apoC-III levels are associated with increased circulating TG, impaired remnant clearance, and a heightened burden of atherogenic lipoproteins.”

    From Targeting triglycerides for cardiovascular risk reduction (2026) · cites this paper as [111]

  • Beyond inhibiting LPL, apoC-III delays hepatic uptake of TRL remnants, contributing to both hypertriglyceridemia and atherosclerotic progression through LPL-independent pathways.

    “beyond its inhibitory action on lipoprotein lipase (LPL), apoC-III also delays hepatic uptake of TRL remnants, contributing to both hypertriglyceridemia and atherosclerotic progression through LPL-independent pathways [111]”

    From Targeting triglycerides for cardiovascular risk reduction (2026) · cites this paper as [111]

  • Conventional triglyceride-lowering agents such as fibrates and omega-3 fatty acids have not been effective in lowering triglyceride levels in patients with familial chylomicronemia syndrome.

    “and these agents have not been effective in lowering triglyceride levels in patients with familial chylomicronemia syndrome. 21,34”

    From Olezarsen, Acute Pancreatitis, and Familial Chylomicronemia Syndrome (2024) · cites this paper as [34]

    The Pharmacological Interventions section says fibrates have variable effects on APOC3 expression and omega-3 fatty acids moderately reduce apoC-III levels. It reports triglyceride lowering in familial chylomicronemia syndrome with volanesorsen, but does not address whether fibrates or omega-3 fatty acids fail to lower triglycerides in those patients (searched for familial chylomicronemia and conventional treatments). (LLM, conf=0.74)

    Experimental — accuracy not yet measured

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Authors
Borén, J., Packard, C. J., & Taskinen, M.-R.
Affiliations
  • University of Gothenburg (SE)
  • University of Glasgow (GB)
  • University of Helsinki (FI)
Corresponding author
Borén, Jan
Venue
Frontiers in Endocrinology
Published
2020-07-28
Volume
11
Pages
474-474
ISSN
1664-2392 (ISSN-L)
OpenAlex
W3045911834
Cited by
196
References
149
Citations by year
2026: 46 · 2025: 35 · 2024: 30 · 2023: 32 · 2022: 35 · 2021: 17 · 2020: 1
FWCI
3.61
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Endocrinology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Työväentutkimus Vuosikirja (submittedVersion)
Funders
  • Vetenskapsrådet
  • Hjärt-Lungfonden
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
Keywords
apolipoprotein C-III, triglyceride-rich lipoproteins, triglyceride metabolism, cardiovascular disease, dyslipidemia, plasma triglycerides, atherogenic lipoproteins, triglyceride transport, obesity, insulin resistance
MeSH terms
Cardiovascular Diseases, Humans, Lipoproteins, Triglycerides, Atherosclerosis, Lipid Metabolism, Apolipoprotein C-III

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