Study2020Industry fundedOpen access

Funded in part by Amgen, Novo Nordisk, Novo Nordisk Fonden, Novo Nordisk Foundation, Novo Nordisk Foundation Center for Protein Research

Genetic variability in the absorption of dietary sterols affects the risk of coronary artery disease

Helgadottir A, Thorleifsson G, Alexandersson KF, Tragante V, Thorsteinsdottir M, Eiriksson FF, Gretarsdottir S, Björnsson E, Magnusson O, Sveinbjornsson G, Jonsdottir I, Steinthorsdottir V, Ferkingstad E, Jensson BÖ, Stefansson H, Olafsson I, Christensen AH, Torp-Pedersen C, Køber L, Pedersen OB, Erikstrup C, Sørensen E, Brunak S, Banasik K, Hansen TF, Nyegaard M, Eyjolfssson GI, Sigurdardottir O, Thorarinsson BL, Matthiasson SE, Steingrimsdottir T, Bjornsson ES, Danielsen R, Asselbergs FW, Arnar DO, Ullum H, Bundgaard H, Sulem P, Thorsteinsdottir U, Thorgeirsson G, Holm H, Gudbjartsson DF, Stefansson K

European heart journal · 74 citations

Review labels

Industry fundedNo stated lifestyle adjustment

Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.

How it was studied

Design
Case-control study (classified by our AI screen)
Studied in
People
Main outcome
Clinical events such as disease or death
Intake measured by
Not stated

Who paid for it

Funding
Industry funded
Company
Amgen
University or hospital
University of Michigan
University or hospital
NIHR Biomedical Research Centre, Royal Marsden NHS Foundation Trust/Institute of Cancer Research
Government
National Institute for Health and Care Research
University or hospital
University College London
Company
Novo Nordisk
Government
NordForsk
Company
Novo Nordisk Fonden
University or hospital
College of Pharmacy, University of Michigan
Government
Medical Research Council
Company
Novo Nordisk Foundation
University or hospital
University College London Hospital National Institute for Health Research Biomedical Research Centre
Company
Novo Nordisk Foundation Center for Protein Research
Grants
Novo Nordisk Fonden (NNF 14CC0001); Novo Nordisk Fonden (NNF17OC0027594); Novo Nordisk (NNF17OC0027594); Novo Nordisk (NNF14CC0001); NordForsk (90580); Medical Research Council (MC_PC_17228)

Based on 13 listed funder(s).

Publication

Published
2020-06-08 · Eur Heart J · vol. 41 · issue 28 · pp. 2618–2628
Publisher
Oxford University Press
Cited
88 citations · more than 99% of similar papers · 11.7× the field average
Impact
Top 10% most cited in its field
References
32 works
Access
Open access (hybrid journal) · CC-BY-NC
Research areas
Cholesterol and Lipid Metabolism · Drug Transport and Resistance Mechanisms · Fatty Acid Research and Health
Keywords
Medicine, Coronary artery disease, Cardiology, Internal medicine, Plant sterols, Disease, Sterol, Cholesterol
MeSH
humans, sterols, phytosterols, iceland, coronary artery disease, atp binding cassette transporter, subfamily g, member 5

43 authors

From IS, NL, DK, GB

  • Anna Helgadóttir · correspondingdeCODE Genetics (Iceland)
  • Guðmar ÞorleifssondeCODE Genetics (Iceland)
  • Kristjan F. AlexanderssondeCODE Genetics (Iceland)
  • Vinicius TragantedeCODE Genetics (Iceland); Utrecht University; University Medical Center Utrecht
  • Margrét ÞorsteinsdóttirUniversity of Iceland; Icelandic Transport Authority
  • Finnur Freyr EiríkssonIcelandic Transport Authority

Abstract

Aims

To explore whether variability in dietary cholesterol and phytosterol absorption impacts the risk of coronary artery disease (CAD) using as instruments sequence variants in the ABCG5/8 genes, key regulators of intestinal absorption of dietary sterols.

Methods and results

We examined the effects of ABCG5/8 variants on non-high-density lipoprotein (non-HDL) cholesterol (N up to 610 532) and phytosterol levels (N = 3039) and the risk of CAD in Iceland, Denmark, and the UK Biobank (105 490 cases and 844 025 controls). We used genetic scores for non-HDL cholesterol to determine whether ABCG5/8 variants confer greater risk of CAD than predicted by their effect on non-HDL cholesterol. We identified nine rare ABCG5/8 coding variants with substantial impact on non-HDL cholesterol. Carriers have elevated phytosterol levels and are at increased risk of CAD. Consistent with impact on ABCG5/8 transporter function in hepatocytes, eight rare ABCG5/8 variants associate with gallstones. A genetic score of ABCG5/8 variants predicting 1 mmol/L increase in non-HDL cholesterol associates with two-fold increase in CAD risk [odds ratio (OR) = 2.01, 95% confidence interval (CI) 1.75-2.31, P = 9.8 × 10-23] compared with a 54% increase in CAD risk (OR = 1.54, 95% CI 1.49-1.59, P = 1.1 × 10-154) associated with a score of other non-HDL cholesterol variants predicting the same increase in non-HDL cholesterol (P for difference in effects = 2.4 × 10-4).

Conclusions

Genetic variation in cholesterol absorption affects levels of circulating non-HDL cholesterol and risk of CAD. Our results indicate that both dietary cholesterol and phytosterols contribute directly to atherogenesis.

Abstract via Europe PMC. Copyright remains with the authors or publisher (CC BY-NC).

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