Cited by 724Lipid metabolism and disordersDiabetes, Cardiovascular Risks, and LipoproteinsLipoproteins and Cardiovascular Health

Association of Triglyceride-Lowering LPL Variants and LDL-C–Lowering LDLR Variants With Risk of Coronary Heart Disease

Open access
Ference, Brian A., Kastelein, John J. P., Ray, Kausik K., Ginsberg, Henry N., Chapman, M. John, Packard, Chris J., Laufs, Ulrich, Oliver-Williams, Clare +8 more·2019·JAMA

Abstract

Importance: Triglycerides and cholesterol are both carried in plasma by apolipoprotein B (ApoB)-containing lipoprotein particles. It is unknown whether lowering plasma triglyceride levels reduces the risk of cardiovascular events to the same extent as lowering low-density lipoprotein cholesterol (LDL-C) levels. Objective: To compare the association of triglyceride-lowering variants in the lipoprotein lipase (LPL) gene and LDL-C-lowering variants in the LDL receptor gene (LDLR) with the risk of cardiovascular disease per unit change in ApoB. Design, Setting, and Participants: Mendelian randomization analyses evaluating the associations of genetic scores composed of triglyceride-lowering variants in the LPL gene and LDL-C-lowering variants in the LDLR gene, respectively, with the risk of cardiovascular events among participants enrolled in 63 cohort or case-control studies conducted in North America or Europe between 1948 and 2017. Exposures: Differences in plasma triglyceride, LDL-C, and ApoB levels associated with the LPL and LDLR genetic scores. Main Outcomes and Measures: Odds ratio (OR) for coronary heart disease (CHD)-defined as coronary death, myocardial infarction, or coronary revascularization-per 10-mg/dL lower concentration of ApoB-containing lipoproteins. Results: A total of 654 783 participants, including 91 129 cases of CHD, were included (mean age, 62.7 years; 51.4% women). For each 10-mg/dL lower level of ApoB-containing lipoproteins, the LPL score was associated with 69.9-mg/dL (95% CI, 68.1-71.6; P = 7.1 × 10-1363) lower triglyceride levels and 0.7-mg/dL (95% CI, 0.03-1.4; P = .04) higher LDL-C levels; while the LDLR score was associated with 14.2-mg/dL (95% CI, 13.6-14.8; P = 1.4 × 10-465) lower LDL-C and 1.9-mg/dL (95% CI, 0.1-3.9; P = .04) lower triglyceride levels. Despite these differences in associated lipid levels, the LPL and LDLR scores were associated with similar lower risk of CHD per 10-mg/dL lower level of ApoB-containing lipoproteins (OR, 0.771 [95% CI, 0.741-0.802], P = 3.9 × 10-38 and OR, 0.773 [95% CI, 0.747-0.801], P = 1.1 × 10-46, respectively). In multivariable mendelian randomization analyses, the associations between triglyceride and LDL-C levels with the risk of CHD became null after adjusting for differences in ApoB (triglycerides: OR, 1.014 [95% CI, 0.965-1.065], P = .19; LDL-C: OR, 1.010 [95% CI, 0.967-1.055], P = .19; ApoB: OR, 0.761 [95% CI, 0.723-0.798], P = 7.51 × 10-20). Conclusions and Relevance: Triglyceride-lowering LPL variants and LDL-C-lowering LDLR variants were associated with similar lower risk of CHD per unit difference in ApoB. Therefore, the clinical benefit of lowering triglyceride and LDL-C levels may be proportional to the absolute change in ApoB.

Integrity signals

Registry

Crossref · 10.1001/jama.2018.20045

Cites

44 of 44 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Claims the paper makes

17 of 31 cited sources checked · 6 supported · 2 flagged · accuracy not yet measured

  • Premisecitation

    In the fibrate trials, the mean reduction in plasma triglyceride concentration was only 20 mg/dL to 50 mg/dL, a fraction of what would be needed to significantly reduce major vascular event risk in a short-term trial.

    “However, the mean reduction in plasma triglyceride concentration in the fibrate trials was only 20 mg/dL to 50 mg/dL, a fraction of what would be needed to significantly reduce the risk of major vascular events within a shortterm trial.”
    Quote in the paperSubstantial claim1 of 3 sources checked
    • cites [29] Frick, 1987, Helsinki Heart Study: primary-prevention trial with gemfibrozil in middle-aged men with dyslipidemia: safety of treatment, changes in risk factors, and incidence of coronary heart disease., N Engl J Med source
    • cites [30] Rubins, 1999, Gemfibrozil for the secondary prevention of coronary heart disease in men with low levels of high-density lipoprotein cholesterol., N Engl J Med source

      The Effects on Lipid Levels section reports triglycerides of 115 mg/dL with gemfibrozil versus 166 mg/dL with placebo, a 51 mg/dL difference. Contrary to the claim that a reduction of roughly this size was too small to yield a significant benefit in a trial, the Outcomes section reports a significant reduction in coronary death or nonfatal myocardial infarction, and the paper reports a significant reduction in the combined outcome including stroke. The paper does not isolate triglyceride lowering from the treatment’s other lipid effects as the cause of that benefit. (LLM, conf=0.86)

      Checked by a reasoning model — may be wrong.

      Experimental — accuracy not yet measured
    • cites [31] Bezafibrate Infarction Prevention (BIP) Study, 2000, Secondary prevention by raising HDL cholesterol and reducing triglycerides in patients with coronary artery disease., Circulation source
  • Interpretationreasoning

    If all ApoB-containing particles have approximately the same atherogenic effect, then to reduce cardiovascular event risk by 20% (as achieved by lowering LDL-C by 40 mg/dL), triglyceride levels must be reduced by approximately 200 mg/dL to achieve the same reduction in ApoB-containing lipoproteins.

    “Therefore, if all ApoB-containing particles have approximately the same atherogenic effect as suggested by this study, then to reduce the risk of cardiovascular events by 20% as can be achieved by lowering LDL-C levels by 40 mg/dL, 3,4 triglyceride levels must be reduced by 5-fold this quantity, or approximately 200 mg/dL, to achieve the same corresponding reduction in ApoB-containing lipoproteins”
    Quote in the paperSubstantial claim2 of 2 sources checked
    • cites [3] Baigent, 2010, Efficacy and safety of more intensive lowering of LDL cholesterol: a meta-analysis of data from 170,000 participants in 26 randomised trials., Lancet source
    • cites [4] Silverman, 2016, Association between lowering LDL-C and cardiovascular risk reduction among different therapeutic interventions: a systematic review and meta-analysis., JAMA source
  • Premisecitation

    Rare loss-of-function mutations in APOC3, ANGPTL3, and ANGPTL4 are associated with lower triglyceride levels and a corresponding lower risk of cardiovascular disease.

    “while rare, loss-of-function mutations in the APOC3, ANGPTL3, and ANGPTL4 genes, which encode for natural inhibitors of LPL, are associated with lower triglyceride levels and a corresponding lower risk of cardiovascular disease.[9][10][11][12][13]”
    Quote in the paperSubstantial claim3 of 5 sources checked
    • cites [9] Nordestgaard, 1997, Heterozygous lipoprotein lipase deficiency: frequency in the general population, effect on plasma lipid levels, and risk of ischemic heart disease., Circulation source
    • cites [10] Jørgensen, 2014, Loss-of-function mutations in APOC3 and risk of ischemic vascular disease., N Engl J Med source

      The Results and Discussion report that APOC3 loss-of-function mutations are associated with lower nonfasting triglycerides and reduced risk of ischemic cardiovascular disease. The paper also describes apolipoprotein C3 as inhibiting lipoprotein lipase, but the passages do not establish the claimed associations for ANGPTL3 or ANGPTL4. Page numbers were not available in our copy. (LLM, conf=0.90)

      Experimental — accuracy not yet measured
    • cites [11] Khera, 2017, Association of rare and common variation in the lipoprotein lipase gene with coronary artery disease., JAMA source

      The Discussion (page not available in our copy) identifies APOC3 and ANGPTL4 as LPL inhibitors and says rare inactivating mutations in those genes confer substantial vascular protection. It does not make the corresponding claim about ANGPTL3 or establish lower triglyceride levels for mutations in all three genes; its triglyceride analysis concerns variants in LPL. (LLM, conf=0.87)

      Experimental — accuracy not yet measured
    • cites [12] Dewey, 2016, Inactivating variants in ANGPTL4 and risk of coronary artery disease., N Engl J Med source
    • cites [13] Stitziel, 2016, Coding variation in ANGPTL4, LPL, and SVEP1 and the risk of coronary disease., N Engl J Med source

      The ANGPTL4 Loss-of-Function Mutations section (page unavailable) reports lower triglyceride levels and lower coronary artery disease risk in ANGPTL4 mutation carriers. The Discussion and Figure 2 caption also describe APOC3 as an LPL inhibitor and discuss its loss-of-function variants, but identify ANGPTL3 only as an LPL regulator; they do not report the claimed triglyceride and disease-risk associations for ANGPTL3. (LLM, conf=0.87)

      Experimental — accuracy not yet measured
  • Interpretationreasoning

    The current study's results may help explain why prior randomized trials of fibrates have failed to consistently show that lowering triglyceride levels reduces cardiovascular events.

    “The results of this study may also help to explain why prior randomized trials evaluating fibrates, which lower plasma triglyceride levels at least partially through the LPL pathway, have failed to consistently demonstrate that lowering triglyceride levels reduces the risk of cardiovascular events.[29][30][31][32][33]”
    Quote in the paperSubstantial claim1 of 3 sources checked
    • cites [29] Frick, 1987, Helsinki Heart Study: primary-prevention trial with gemfibrozil in middle-aged men with dyslipidemia: safety of treatment, changes in risk factors, and incidence of coronary heart disease., N Engl J Med source
    • cites [30] Rubins, 1999, Gemfibrozil for the secondary prevention of coronary heart disease in men with low levels of high-density lipoprotein cholesterol., N Engl J Med source
    • cites [31] Bezafibrate Infarction Prevention (BIP) Study, 2000, Secondary prevention by raising HDL cholesterol and reducing triglycerides in patients with coronary artery disease., Circulation source
  • Interpretationcitation

    The current study's results are consistent with a recent mendelian randomization study showing that the causal effect of LDL particles on cardiovascular disease risk is determined by circulating ApoB concentration rather than by LDL-C mass.

    “Furthermore, the results of this study are consistent with a recent mendelian randomization study that demonstrated that the causal effect of LDL particles on the risk of cardiovascular disease appears to be determined by the concentration of circulating LDL particles as measured by ApoB rather than by the mass of cholesterol carried by those particles as measured by LDL-C.23”
    Quote in the paperNot a substantial claim1 of 1 sources checked
    • cites [23] Ference, 2017, Association of genetic variants related to CETP inhibitors and statins with lipoprotein levels and cardiovascular risk., JAMA source
  • May combine two claims. 11
  • Classified as probably not a substantial claim. 8
  • The quote only partly states this claim. 1
  • May combine two claims.

    Premisecitation

    Clinical guidelines do not recommend treatment to lower plasma triglyceride levels because randomized trials have not provided consistent evidence that lowering plasma triglyceride levels reduces cardiovascular event risk.

    “By contrast, the guidelines do not recommend treatment to lower plasma triglyceride levels because randomized trials have not provided consistent evidence that lowering plasma triglyceride levels reduces the risk of cardiovascular events.1,2”
    Quote in the paperSubstantial claim1 of 2 sources checked
    • cites [1] Catapano, 2016, 2016 ESC/EAS guidelines for the management of dyslipidaemias., Eur Heart J source

      Section 7.3 (p. 33) explicitly recommends considering drug treatment to lower triglycerides in high-risk patients with levels above 2.3 mmol/L, contrary to the claim that the guidelines do not recommend such treatment. The same section says evidence for benefit is modest, and section 9.5.2.2 (p. 42) describes mixed trial results; those qualifications do not negate the conditional recommendation. (LLM, conf=0.90)

      Checked by a reasoning model — may be wrong.

      Experimental — accuracy not yet measured
    • cites [2] Stone, 2014, 2013 ACC/AHA guideline on the treatment of blood cholesterol to reduce atherosclerotic cardiovascular risk in adults: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines., J Am Coll Cardiol source
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Premisecitation

    Several novel therapies that potently reduce triglyceride levels are currently in development.

    “Several novel therapies that potently reduce triglyceride levels are currently in development.[6][7][8]”
    Quote in the paperNot a substantial claim2 of 3 sources checked
    • cites [6] Dewey, 2017, Genetic and pharmacologic inactivation of ANGPTL3 and cardiovascular disease., N Engl J Med source
    • cites [7] Gaudet, 2017, ANGPTL3 inhibition in homozygous familial hypercholesterolemia., N Engl J Med source
    • cites [8] Gaudet, 2015, Antisense inhibition of apolipoprotein C-III in patients with hypertriglyceridemia., N Engl J Med source
  • May combine two claims.

    Premisecitation

    Rare loss-of-function mutations in the LPL gene are associated with higher plasma triglyceride levels and a higher risk of cardiovascular disease.

    “rare loss-of-function mutations in the lipoprotein lipase (LPL) gene are associated with higher plasma triglyceride levels and a higher risk of cardiovascular disease”
    Quote in the paperSubstantial claim3 of 5 sources checked
    • cites [9] Nordestgaard, 1997, Heterozygous lipoprotein lipase deficiency: frequency in the general population, effect on plasma lipid levels, and risk of ischemic heart disease., Circulation source
    • cites [10] Jørgensen, 2014, Loss-of-function mutations in APOC3 and risk of ischemic vascular disease., N Engl J Med source

      The Abstract (page unavailable) supports the general association between higher triglyceride levels and greater cardiovascular risk. It does not report an association for loss-of-function mutations in the LPL gene: the mutations studied are in APOC3, and they are associated with lower triglyceride levels and reduced risk. The Discussion mentions lipoprotein lipase as an enzyme inhibited by apolipoprotein C3, not as the mutated gene. (LLM, conf=0.82)

      Experimental — accuracy not yet measured
    • cites [11] Khera, 2017, Association of rare and common variation in the lipoprotein lipase gene with coronary artery disease., JAMA source

      The Results (page unavailable) associate rare damaging LPL mutations with higher plasma triglycerides and greater odds of early-onset coronary artery disease (CAD); the CAD association was most pronounced for loss-of-function mutations. However, the triglyceride finding pools loss-of-function and damaging missense mutations, rather than establishing it for loss-of-function mutations alone. The study also assessed early-onset CAD, not cardiovascular disease generally. (LLM, conf=0.84)

      Experimental — accuracy not yet measured
    • cites [12] Dewey, 2016, Inactivating variants in ANGPTL4 and risk of coronary artery disease., N Engl J Med source
    • cites [13] Stitziel, 2016, Coding variation in ANGPTL4, LPL, and SVEP1 and the risk of coronary disease., N Engl J Med source

      The ‘Coding Variation in LPL and the Risk of Coronary Artery Disease’ section reports that one low-frequency, partial loss-of-function LPL variant (p.D36N) was associated with higher coronary artery disease risk. Figure 2 in the Discussion depicts higher triglycerides as an expected effect of LPL loss of function, but the paper does not report a measured triglyceride association for that variant. The claim presents that expected effect as an observed association and generalizes from one variant to mutations. (LLM, conf=0.86)

      Experimental — accuracy not yet measured
  • May combine two claims.

    Premisecitation

    Genetic variants reflect the effect of lifelong changes in ApoB-containing lipoproteins on cardiovascular disease risk, which appear to be cumulative over time.

    “Second, genetic variants reflect the effect of lifelong changes in ApoB-containing lipoproteins on the risk of cardiovascular disease, which appear to be cumulative over time.5,34”
    Quote in the paperSubstantial claim2 of 2 sources checked
    • cites [5] Ference, 2017, Low-density lipoproteins cause atherosclerotic cardiovascular disease: 1, Evidence from genetic, epidemiologic, and clinical studies: a consensus statement from the European Atherosclerosis Society Consensus Panel., Eur Heart J source

      The sections on Mendelian randomization and cumulative LDL exposure say that LDL-C–associated genetic variants reflect lifetime cardiovascular risk and that the effect depends on the duration of LDL-C exposure (page not available). The paper identifies LDL as an apoB-containing lipoprotein, but its genetic and cumulative-exposure findings concern LDL specifically; they do not establish the same finding for apoB-containing lipoproteins as a whole. (LLM, conf=0.85)

      Experimental — accuracy not yet measured
    • cites [34] Ference, 2012, Effect of long-term exposure to lower low-density lipoprotein cholesterol beginning early in life on the risk of coronary heart disease: a mendelian randomization analysis., J Am Coll Cardiol source

      The Discussion (page not provided) says genetically mediated differences in LDL-C reflect the cumulative effect of lifelong exposure, and the study links those differences to coronary heart disease risk. It does not establish the same claim for ApoB-containing lipoproteins as a whole or for cardiovascular disease beyond coronary heart disease. (LLM, conf=0.86)

      Experimental — accuracy not yet measured
  • May combine two claims.

    Findingown data

    The study included 654,783 participants, including 91,129 cases of CHD, with mean age 62.7 years and 51.4% women.

    “A total of 654 783 participants, including 91 129 cases of CHD, were included (mean age, 62.7 years; 51.4% women).”
    Quote in the paperNot a substantial claim
  • The quote only partly states this claim.

    Findingown data

    In a 2 × 2 factorial mendelian randomization analysis, combined exposure to both the LPL and LDLR genetic scores was associated with linearly additive lower levels of triglyceride, LDL-C, and ApoB.

    “combined exposure to both the LPL and LDLR genetic scores was associated with linearly ad- ditive lower levels of triglyceride”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Findingown data

    For each 10-mg/dL lower plasma ApoB concentration associated with a genetic score of 51 variants associated with triglycerides but not LDL-C, there was a corresponding 41.3-mg/dL lower triglyceride level, 2.1-mg/dL lower LDL-C level, and a lower risk of CHD (OR, 0.762 [95% CI, 0.724-0.803]).

    “For example, for each 10-mg/dL lower plasma ApoB concentration associated with a genetic score consisting of 51 variants associated with triglycerides but not LDL-C at genome-wide level of significance, there was a corresponding 41.3-mg/dL lower triglyceride level, 2.1-mg/dL lower LDL-C level, and a lower risk of CHD (odds ratio [OR], 0.762 [95% CI, 0.724-0.803]).”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Findingown data

    In multivariable mendelian randomization analyses involving 186 genetic variants, both triglycerides (OR, 0.876 per 50-mg/dL lower triglycerides) and LDL-C (OR, 0.862 per 10-mg/dL lower LDL-C) were independently associated with a lower risk of CHD at genome-wide level of significance.

    “For example, in multivariable mendelian randomization analyses involving these 186 genetic variants, both triglycerides (odds ratio [OR], 0.876 per 50-mg/dL lower triglycerides) and LDL-C (OR, 0.862 per 10-mg/dL lower LDL-C) were independently associated with a lower risk of CHD at genome-wide level of significance.”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Findingown data

    For the same 10-mg/dL lower plasma ApoB concentration associated with a genetic score of 168 variants associated with either triglycerides or LDL-C, there was a corresponding 21.6-mg/dL lower triglyceride level, an 11.8-mg/dL lower LDL-C level, and a similar lower risk of CHD (OR, 0.770 [95% CI, 0.757-0.783]).

    “Furthermore, for the same 10-mg/dL lower plasma ApoB concentration associated with a genetic score consisting of 168 variants associated with either triglycerides or LDL-C at genome-wide level of significance, there was a corresponding 21.6-mg/dL lower triglyceride level, an 11.8-mg/dL lower LDL-C level, and a similar lower risk of CHD (OR, 0.770 [95% CI, 0.757-0.783]).”
    Quote in the paperSubstantial claim
  • May combine two claims.

    Interpretationown data

    The associations between lower triglyceride level and lower LDL-C level with risk of CHD due to these variants appeared to be independent, additive, and proportional to the absolute change in ApoB.

    “The associations between lower triglyceride level and lower LDL-C level with risk of CHD due to these variants appeared to be independent, additive, and proportional to the absolute change in ApoB.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: Both triglycerides and cholesterol are carried in plasma by ApoB-containing lipoprotein particles.
    • Rests on an assumption: All ApoB-containing lipoproteins have a single ApoB molecule.
  • May combine two claims.

    Interpretationown data

    The results of this study suggest that the clinical benefit of lowering triglyceride levels is similar to the clinical benefit of lowering LDL-C levels per unit change in ApoB and is proportional to the net absolute reduction in ApoB-containing lipoproteins.

    “The results of this study suggest that the clinical benefit of lowering triglyceride levels is similar to the clinical benefit of lowering LDL-C levels per unit change in ApoB and is proportional to the net absolute reduction in ApoB-containing lipoproteins.”
    Quote in the paperSubstantial claim
    • Rests on an assumption: Both triglycerides and cholesterol are carried in plasma by ApoB-containing lipoprotein particles.
    • Rests on an assumption: All ApoB-containing lipoproteins have a single ApoB molecule.
  • Classified as probably not a substantial claim.

    Study design and conductnone given

    All regression analyses were performed separately in each included study adjusting for age, sex, and the first 5 principal components of ancestry.

    “All regression analyses were performed separately in each of the included studies adjusting for age, sex, and the first 5 principal components of ancestry.”
    Quote in the paperSubstantial claim
  • Classified as probably not a substantial claim.

    Premisecitation

    The cholesterol, and perhaps triglyceride, content of the ApoB particles retained in the artery wall provokes an inflammatory response that leads to the initiation and progression of atherosclerotic plaque.

    “The cholesterol, and perhaps triglyceride, content of the ApoB particles retained in the artery wall provokes an inflammatory response that leads to the initiation and progression of atherosclerotic plaque.25”
    Quote in the paperSubstantial claim0 of 1 sources checked
    • cites [25] Nordestgaard, 2014, Triglycerides and cardiovascular disease., Lancet source
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductnone given

    All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest.

    “All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductnone given

    The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

    “Role of the Funder/Sponsor: The funders had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.”
    Quote in the paperNot a substantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing). May combine two claims.

    Study design and conductnone given

    Dr Ference had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.

    “Dr Ference had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.”
    Quote in the paperNot a substantial claim
  • Classified as probably not a substantial claim.

    Study design and conductnone given

    This study compared triglyceride- and LDL-C-lowering genetic variants, not lipid-lowering therapies.

    “First, this study compared triglyceride-and LDL-C-lowering genetic variants not lipidlowering therapies.”
    Quote in the paperSubstantial claim
  • Probably not a substantial claim: may not pass S3 (load-bearing).

    Study design and conductnone given

    No other disclosures were reported.

    “No other disclosures were reported.”
    Quote in the paperNot a substantial claim
18 of 18
  • The paper relies on this without support.

    It is unknown whether lowering plasma triglyceride levels by targeting the LPL pathway will reduce the risk of cardiovascular events.

    “However, it is unknown whether lowering plasma triglyceride levels by targeting the LPL pathway will reduce the risk of cardiovascular events.”
  • The paper relies on this without support.

    Both triglycerides and cholesterol are carried in plasma by ApoB-containing lipoprotein particles.

    “Both triglycerides and cholesterol are carried in plasma by apolipoprotein B (ApoB)-containing lipoprotein particles.”
  • The paper relies on this without support.

    All ApoB-containing lipoproteins have a single ApoB molecule.

    “Because all ApoB-containing lipoproteins, including triglyceriderich lipoprotein particles and LDL particles, have a single ApoB molecule”
  • The paper relies on this without support.

    ApoB-containing particles are secreted by the liver as VLDL particles, which principally contain triglycerides, some cholesterol, and 1 molecule of ApoB.

    “These particles are secreted by the liver as VLDL particles, which principally contain triglycerides, some cholesterol, and 1 molecule of ApoB.”
  • The paper relies on this without support.

    Lipoprotein lipase removes most of the triglycerides from VLDL particles to convert them into triglyceride-depleted cholesterol-carrying LDL particles, which are then removed from plasma by hepatic LDL receptors.

    “Lipoprotein lipase removes most of the triglycerides from these particles to convert the triglyceride-rich VLDL particles into triglyceridedepleted cholesterol-carrying LDL particles, which are then removed from plasma by hepatic LDL receptors.”
5 of 5

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Moderate elevations in triglyceride levels are associated with an increased risk of atherosclerotic cardiovascular disease.

    “Moderate elevations in triglyceride levels are associated with an increased risk of atherosclerotic cardiovascular disease, 1,2,19,20”

    From Targeting <i>APOC3</i> with Olezarsen in Moderate Hypertriglyceridemia (2025) · cites this paper as [20]

    The Abstract reports that genetic variants associated with higher triglyceride levels are also associated with higher cardiovascular disease risk. The Discussion links triglyceride-rich ApoB particles to atherosclerotic cardiovascular risk, but it does not specifically establish the association for moderate triglyceride elevations; it emphasizes particle concentration rather than triglyceride level alone. Page numbers are unavailable in our copy. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • Recent genetic data show that lower levels of apoB-containing particles, whether cholesterol-rich LDL or triglyceride-rich VLDL, are associated with similar lower risk of major vascular events.

    “Indeed, recent genetic data highlight that lower levels of apoB-containing particles, be it cholesterol-rich LDL or triglyceride-rich VLDL, are associated with similar lower risk of major vascular events.35”

    From Association Between Triglyceride Lowering and Reduction of Cardiovascular Risk Across Multiple Lipid-Lowering Therapeutic Classes: A Systematic Review and Meta-Regression Analysis of Randomized Controlled Trials (2019) · cites this paper as [35]

    The Discussion reports similar lower coronary heart disease (CHD) risk per unit lower ApoB for triglyceride-lowering and LDL-C-lowering genetic variants, and describes triglyceride-rich VLDL remnants and LDL as ApoB-containing particles. But the Study Outcomes section defines the measured outcome as CHD, not the broader category of major vascular events. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • Remnant lipoproteins are causal contributors to atherogenesis.

    “Genetic studies and epidemiologic data increasingly implicate remnant lipoproteins as causal contributors to atherogenesis, providing a strong mechanistic and clinical rationale for targeted intervention [8–12].”
  • Mendelian randomization studies demonstrated that the reduction in cardiovascular risk associated with genetic variation in clearance and processing of apoB-containing lipoproteins, including LDL particles as well as TG-rich VLDL particles and their remnants, was correlated with the change of concentration of these particles as measured by apoB rather than the cholesterol mass carried by those as

    “Furthermore, Mendelian randomization studies demonstrated that the reduction in cardiovascular risk associated with genetic variation in clearance and processing of apoB-containing lipoproteins, including LDL particles as well as TG-rich VLDL particles and their remnants, was correlated with the change of concentration of these particles as measured by apoB rather than the cholesterol mass carried”
  • The number of atherogenic particles may be the driver of cardiovascular risk, rather than cholesterol or triglyceride content per se.

    “suggesting that the number of atherogenic particles may be the driver of cardiovascular risk, rather than cholesterol or TG content per se.4,5”

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

Each contradiction between two passages listed here was confirmed by an independent check.

  • LPL triglyceride estimate falls outside its confidence interval

    Minor

    The reported estimate of 11.64 mg/dL is above the stated 95% CI upper bound of 10.90 mg/dL. The interval's midpoint is 10.64 mg/dL, not 11.64 mg/dL.

    Reported 11.64 · recomputed 10.64

  • Triglyceride change for the 51-variant score differs between text and table

    Minor

    The Table 2 description gives a 41.3-mg/dL reduction for the 51-variant score, whereas the table reports a 43.1-mg/dL reduction.

  • LDLR-associated LDL-C reduction differs between figure caption and results

    Minor

    The Figure 1 caption reports a 14.1-mg/dL reduction per 10-mg/dL lower ApoB, while the results report 14.2 mg/dL for the same comparison.

  • LPL triglyceride confidence-interval bound differs across presentations

    Minor

    The lower-triglyceride association has a 95% CI endpoint of −68.3 mg/dL in the Figure 1 material, but −68.1 mg/dL in the Figure 2 material.

4 of 4

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Authors
Ference, B. A., Kastelein, J. J. P., Ray, K. K., Ginsberg, H. N., Chapman, M. J., Packard, C. J., Laufs, U., Oliver-Williams, C., Wood, A. M., Butterworth, A. S., Di Angelantonio, E., Danesh, J., Nicholls, S. J., Bhatt, D. L., Sabatine, M. S., & Catapano, A. L.
Affiliations
  • University of Cambridge (GB)
  • Amsterdam UMC Location University of Amsterdam (NL)
  • Imperial College London (GB)
  • Columbia University (US)
  • Inserm (FR)
  • University of Glasgow (GB)
  • Leipzig University (DE)
  • MRC/BHF Cardiovascular Epidemiology Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
  • Monash University (AU)
  • Brigham and Women's Hospital (US)
  • University of Milan (IT)
Corresponding author
Ference, Brian A.
Venue
JAMA
Published
2019-01-29
Volume
321
Issue
4
Pages
364
ISSN
  • 0002-9955 (ISSN-L)
  • 0098-7484
OpenAlex
W2911290113
Cited by
724
References
39
Citations by year
2026: 51 · 2025: 74 · 2024: 113 · 2023: 89 · 2022: 68 · 2021: 111 · 2020: 100 · 2019: 71
FWCI
55.19
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • JAMA (publishedVersion, other-oa)
  • PubMed (publishedVersion)
  • Pure Amsterdam UMC (publishedVersion, other-oa)
  • Bristol Research (University of Bristol) (acceptedVersion, other-oa)
  • Europe PMC (PubMed Central) (submittedVersion)
  • PubMed Central (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • Spiral (Imperial College London) (submittedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Lipid metabolism and disorders
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
lipoprotein lipase, LDL receptor, apolipoprotein B, triglycerides, LDL cholesterol, coronary artery disease, cardiovascular risk, genetic score
MeSH terms
Loss of Function Mutation, Apolipoproteins B, Coronary Disease, Female, Humans, Lipoprotein Lipase

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Claims read by deepseek-v4.1-flash under definition version 3 (extract-v3) on 2026-10-19.

Classified by jev-1.13-20260917 (gold-guideline-v0.2) on 2026-10-19.

Cited sources are checked by gpt-6-sol.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

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