Genetic and Pharmacologic Inactivation of ANGPTL3 and Cardiovascular Disease

By F. Dewey, V. Gusarova, Richard L. Dunbar, C. O’Dushlaine, C. Schurmann, Omri Gottesman, S. McCarthy, C. Hout, S. Bruse, Hayes Dansky and 47 more. New England Journal of Medicine, 2017

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BACKGROUND Loss‐of‐function variants in the angiopoietin‐like 3 gene (ANGPTL3) have been associated with decreased plasma levels of triglycerides, low‐density lipoprotein (LDL) cholesterol, and high‐density lipoprotein (HDL) cholesterol. It is not known whether such variants or therapeutic antagonism of ANGPTL3 are associated with a reduced risk of atherosclerotic cardiovascular disease. METHODS We sequenced the exons of ANGPTL3 in 58,335 participants in the DiscovEHR human genetics study. We performed tests of association for loss‐of‐function variants in ANGPTL3 with lipid levels and with coronary artery disease in 13,102 case patients and 40,430 controls from the DiscovEHR study, with follow‐up studies involving 23,317 case patients and 107,166 controls from four population studies. We also tested the effects of a human monoclonal antibody, evinacumab, against Angptl3 in dyslipidemic mice and against ANGPTL3 in healthy human volunteers with elevated levels of triglycerides or LDL cholesterol. RESULTS In the DiscovEHR study, participants with heterozygous loss‐of‐function variants in ANGPTL3 had significantly lower serum levels of triglycerides, HDL cholesterol, and LDL cholesterol than participants without these variants. Loss‐of‐function variants were found in 0.33% of case patients with coronary artery disease and in 0.45% of controls (adjusted odds ratio, 0.59; 95% confidence interval, 0.41 to 0.85; P=0.004). These results were confirmed in the follow‐up studies. In dyslipidemic mice, inhibition of Angptl3 with evinacumab resulted in a greater decrease in atherosclerotic lesion area and necrotic content than a control antibody. In humans, evinacumab caused a dose‐dependent placebo‐adjusted reduction in fasting triglyceride levels of up to 76% and LDL cholesterol levels of up to 23%. CONCLUSIONS Genetic and therapeutic antagonism of ANGPTL3 in humans and of Angptl3 in mice was associated with decreased levels of all three major lipid fractions and decreased odds of atherosclerotic cardiovascular disease. (Funded by Regeneron Pharmaceuticals and others; ClinicalTrials.gov number, NCT01749878.)

Subfields: Cardiology and Cardiovascular Medicine, Endocrinology, Diabetes and Metabolism

View Paper: https://www.semanticscholar.org/paper/382db6ac10ec273c7bf458459276a4b3dcb3d1dd

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Citations in the corpus

Analysis of predicted loss-of-function variants in UK Biobank identifies variants protective for disease (2018, neutral): “p1); (5) the Ottawa Heart Study (OHS) (dbGaP Study Accession phs000806.”
Triglyceride-rich lipoproteins and their remnants: metabolic insights, role in atherosclerotic cardiovascular disease, and emerging therapeutic strategies—a consensus statement from the European Atherosclerosis Society (2021, background): “32 ,65 Effects on LDL-C, HDL-C, and apoB levels in hyper-triglyceridaemic subjects have varied in early trials of a monoclonal antibody directed against ANGPTL3 190 and an ASO therapy that reduced the synthesis of the protein.”