Cited by 41Lipoproteins and Cardiovascular HealthGenetic Associations and EpidemiologyAtherosclerosis and Cardiovascular Diseases

Associations of Genetically Predicted Lp(a) (Lipoprotein [a]) Levels With Cardiovascular Traits in Individuals of European and African Ancestry

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Satterfield, Benjamin A., Dikilitas, Ozan, Safarova, Maya S., Clarke, Shoa L., Tcheandjieu, Catherine, Zhu, Xiang, Bastarache, Lisa, Larson, Eric B. +14 more·2021·Circulation: Genomic and Precision Medicine

Abstract

Background: Lp(a) (lipoprotein [a]) levels are higher in individuals of African ancestry (AA) than in individuals of European ancestry (EA). We examined associations of genetically predicted Lp(a) levels with (1) atherosclerotic cardiovascular disease subtypes: coronary heart disease, cerebrovascular disease, peripheral artery disease, and abdominal aortic aneurysm and (2) nonatherosclerotic cardiovascular disease phenotypes, stratified by ancestry. Methods: We performed (1) Mendelian randomization analyses for previously reported cardiovascular associations and (2) Mendelian randomization–phenome-wide association analyses for novel associations. Analyses were stratified by ancestry in electronic Medical Records and Genomics, United Kingdom Biobank, and Million Veteran Program cohorts separately and in a combined cohort of 804 507 EA and 103 580 AA participants. Results: In Mendelian randomization analyses using the combined cohort, a 1-SD genetic increase in Lp(a) level was associated with atherosclerotic cardiovascular disease subtypes in EA—odds ratio and 95% CI for coronary heart disease 1.28 (1.16–1.41); cerebrovascular disease 1.14 (1.07–1.21); peripheral artery disease 1.22 (1.11–1.34); abdominal aortic aneurysm 1.28 (1.17–1.40); in AA, the effect estimate was lower than in EA and nonsignificant for coronary heart disease 1.11 (0.99–1.24) and cerebrovascular disease 1.06 (0.99–1.14) but similar for peripheral artery disease 1.16 (1.01–1.33) and abdominal aortic aneurysm 1.34 (1.11–1.62). In EA, a 1-SD genetic increase in Lp(a) level was associated with aortic valve disorders 1.34 (1.10–1.62), mitral valve disorders 1.18 (1.09–1.27), congestive heart failure 1.12 (1.05–1.19), and chronic kidney disease 1.07 (1.01–1.14). In AA, no significant associations were noted for aortic valve disorders 1.08 (0.94–1.25), mitral valve disorders 1.02 (0.89–1.16), congestive heart failure 1.02 (0.95–1.10), or chronic kidney disease 1.05 (0.99–1.12). Mendelian randomization–phenome-wide association analyses identified novel associations in EA with arterial thromboembolic disease, nonaortic aneurysmal disease, atrial fibrillation, cardiac conduction disorders, and hypertension. Conclusions: Many cardiovascular associations of genetically increased Lp(a) that were significant in EA were not significant in AA. Lp(a) was associated with atherosclerotic cardiovascular disease in four major arterial beds in EA but only with peripheral artery disease and abdominal aortic aneurysm in AA. Additionally, novel cardiovascular associations were detected in EA.

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Crossref · 10.1161/circgen.120.003354

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  • Genetic studies found a causal link between elevated Lp(a) levels and a higher risk for CVD, and vice versa.

    “Consequently, genetic studies found a causal link between elevated Lp(a) levels and a higher risk for CVD diseases,[184–189] and vice versa [190].”

    From Established and Emerging Lipid-Lowering Drugs for Primary and Secondary Cardiovascular Prevention (2023) · cites this paper as [188]

    The Introduction calls Lp(a) a causal risk factor for atherosclerotic cardiovascular disease, and the Results report higher cardiovascular odds with genetically increased Lp(a), particularly in individuals of European ancestry. The paper does not establish the reverse causal direction—cardiovascular disease causing elevated Lp(a). If “vice versa” instead means that lowering Lp(a) reduces disease risk, the Discussion says the benefit of Lp(a)-lowering drugs was still being evaluated. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Elevated lipoprotein(a) concentration is associated with higher risk of CAVS.

    “observational and genetic studies have reported that elevated lipoprotein(a) [Lp(a)] concentration is associated with higher risk of CAVS9,10”

    From Genetic insights into causal effects of lipids and lipid-modifying targets on calcific aortic valve stenosis: a Mendelian randomized study (2025) · cites this paper as [10]

    The Abstract Results report that higher genetically predicted Lp(a) was associated with aortic valve disorders in individuals of European ancestry, but not significantly in those of African ancestry. The Discussion says those disorders included stenosis and regurgitation; it does not establish a separate association specifically with calcific aortic valve stenosis (CAVS). (LLM, conf=0.86)

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Authors
Satterfield, B. A., Dikilitas, O., Safarova, M. S., Clarke, S. L., Tcheandjieu, C., Zhu, X., Bastarache, L., Larson, E. B., Justice, A. E., Shang, N., Rosenthal, E. A., Shah, A. S., Namjou-Khales, B., Urbina, E. M., Wei, W.-Q., Feng, Q., Jarvik, G. P., Hebbring, S. J., de Andrade, M., Manolio, T. A., Assimes, T. L., & Kullo, I. J.
Affiliations
  • Mayo Clinic (US)
  • VA Palo Alto Health Care System (US)
  • Pennsylvania State University (US)
  • Vanderbilt University (US)
  • Kaiser Permanente (US)
  • Geisinger Health System (US)
  • Columbia University (US)
  • University of Washington (US)
  • Cincinnati Children's Hospital Medical Center (US)
  • Center for Autoimmune Genomics and Etiology, Cincinnati Children’s Hospital Medical Center & Department of Pediatrics, University of Cincinnati College of Medicine, OH (B.-N.K.).
  • Vanderbilt University Medical Center (US)
  • Marshfield Clinic Research Foundation (US)
  • Department of Health Sciences Research (M.d.A.), Mayo Clinic, Rochester, MN.
  • National Human Genome Research Institute (US)
Venue
Circulation: Genomic and Precision Medicine
Published
2021-08
Volume
14
Issue
4
Pages
e003354-e003354
ISSN
2574-8300 (ISSN-L)
OpenAlex
W3185131304
Cited by
40
References
59
Citations by year
2026: 9 · 2025: 9 · 2024: 4 · 2023: 12 · 2022: 3 · 2021: 3
FWCI
5.17
Type
journal article
Language
en
Open access
Locations
  • Circulation Genomic and Precision Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Veterans Affairs (I01-BX003362)
  • National Heart, Lung, and Blood Institute (K24HL137010)
  • National Human Genome Research Institute (U01HG006385, U01HG006379, U01HG004599, U01HG008680, U01HG004424, U01HG004609, U01HG004608, U01HG004438, U01HG004610, U01HG006375, U01HG006380, U01HG006382, U01HG004603, U01HG006378, U01HG006388, U01HG006389)
Topics
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Immunology and Microbiology › Immunology › Atherosclerosis and Cardiovascular Diseases
Keywords
lipoprotein(a), Lp(a) levels, atherosclerotic cardiovascular disease, coronary artery disease, cerebrovascular disease, peripheral arterial disease, abdominal aortic aneurysm, congestive heart failure, chronic kidney disease, genetic ancestry, Mendelian randomization
MeSH terms
Aged, Aged, 80 and over, Cardiovascular Diseases, Female, United Kingdom, Humans, Male, Middle Aged, Lipoprotein(a), Quantitative Trait, Heritable, Genetic Predisposition to Disease, Black People, White People, Mendelian Randomization Analysis

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