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Association of Chromosome 9p21 With Subsequent Coronary Heart Disease Events

  • CARDIoGRAMPlusC4D Consortium
  • Bart's Heart Centre, St Bartholomew's Hospital, London, United Kingdom (R.S.P., J.D., A. Timmis).
  • Division Heart and Lungs, Department of Cardiology (A.F.S., V.T. D.K., F.W.A.).
  • Intermountain Heart Institute, Intermountain Medical Center, Salt Lake City, UT (R.O.M., J.F.C., J.B.M., J.L.A.).
  • National Institute for Health Research Oxford Biomedical Research Centre (M.V.H.), University of Oxford, United Kingdom.
  • Institute of Cardiovascular Science, Faculty of Population Health Science (R.S.P., A.F.S., L.J.H., K.D., J.D., A.D.H., F.W.A.).
  • Department of Medical Sciences, Cardiology (A.A., E.H., C.H., D. Lindholm), Uppsala University, Sweden.
  • Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden (K.L., U.d.F.).
  • Section of Cardiology, Michael E. DeBakey Veterans Affairs Medical Center, Section of Cardiovascular Research, and Department of Medicine, Baylor College of Medicine, Houston, TX (S.S.V., C.M.B.).
  • Department of Cardiology (K.A.K., A. Szpakowicz).
  • Harvard Medical School, Boston, MA (J.D.M., M.H. S.C.B.).
  • Université de Montréal, QC, Canada (M.-P.D.).
  • Departments of Preventive Medicine and Biochemistry and Molecular Medicine (H.A., J.H.), Keck School of Medicine of USC, Los Angeles, CA.
  • Department of Clinical Sciences, Lund University, Malmö, Sweden (P.A., O.M.).
  • Department of Biotechnology, Institute of Molecular and Cell Biology, University of Tartu, Estonia (M.A., A.M.).
  • Centre for Outcomes Research and Evaluation, Research Institute of the McGill University Health Centre (H.B., L.D., L.P., J.M.B.).
  • Laboratory for Translational Genetics, VIB Center for Cancer Biology, VIB, Belgium (B.B., D. Lambrechts).
  • National Institute of Health Research (NIHR) Leicester Biomedical Research Centre (P.S.B., C.P.N.), Glenfield Hospital, Leicester, United Kingdom.
  • Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg (L.P.B., U.M., H.B.).
  • Vth Department of Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany (G.D., M. Kleber, W.M.).
  • Heart Institute, University of Sao Paulo, Brazil (N.E.D., A.C.P.).
  • Preventive and Genomic Cardiology, McGill University Health Centre, Montreal, QC, Canada (L.D., J.C.E., G.T.).
  • Uppsala Clinical Research Center (A.A., N.E., S.J., E.H., C.H., B.L., D. Lindholm, A. Siegbahn, L.W.), Uppsala University, Sweden.
  • Institute for Biomedicine, Eurac Research, Affiliated Institute of the University of Lübeck, Bolzano, Italy (L.F.).
  • Laboratory of Experimental Cardiology (C.M.G., B.D.H.).
  • Department of Pharmacotherapy and Translational Research and Center for Pharmacogenomics (Y.G., R.M.C.-D., J.A.J.).
  • Institute for Genetic Medicine (J.H.), Keck School of Medicine of USC, Los Angeles, CA.
  • Centre for Experimental Medicine, Institut for Clinical and Experimental Medicine, Prague, Czech Republic (J.A.H., J.P.).
  • Department of Cardio-Thoracic Surgery (P.K.).
  • Department of Biostatistics and Epidemiology, Texas Heart Institute, Houston (V.-V.L.).
  • Medical Central Laboratories, Feldkirch, Austria (A.L.).
  • Department of Genetics, Statistical Genomics Division (P.A.L., S.C.).
  • Division of Molecular and Clinical Medicine, School of Medicine, University of Dundee, Scotland, United Kingdom (D. Levin, I.R.M., C.C.L.).
  • Department of Clinical Chemistry, Fimlab Laboratories, Tampere, Finland (L.-P.L., T.L.).
  • Department of Medicine, University of Verona, Italy (N. Martinelli, D.G., O.O.).
  • Department of Cardiology, Heart Center (K.N.).
  • The Christchurch Heart Institute, University of Otago Christchurch, New Zealand (A.P.B., A.M.R., V.A.C.).
  • Department of Medical Genetics (R.P.).
  • Department of Biomedical Informatics (Y.V.S.).
  • Clinical Epidemiology and Biostatistics (M.W.T.T.).
  • Department of Cardiovascular Medicine, Heart and Vascular Institute and Center for Clinical Genomics (W.H.W.T.).

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: Genetic variation at chromosome 9p21 is a recognized risk factor for coronary heart disease (CHD). However, its effect on disease progression and subsequent events is unclear, raising questions about its value for stratification of residual risk.

METHODS: A variant at chromosome 9p21 (rs1333049) was tested for association with subsequent events during follow-up in 103 357 Europeans with established CHD at baseline from the GENIUS-CHD (Genetics of Subsequent Coronary Heart Disease) Consortium (73.1% male, mean age 62.9 years). The primary outcome, subsequent CHD death or myocardial infarction (CHD death/myocardial infarction), occurred in 13 040 of the 93 115 participants with available outcome data. Effect estimates were compared with case/control risk obtained from the CARDIoGRAMplusC4D consortium (Coronary Artery Disease Genome-wide Replication and Meta-analysis [CARDIoGRAM] plus The Coronary Artery Disease [C4D] Genetics) including 47 222 CHD cases and 122 264 controls free of CHD.

RESULTS: Meta-analyses revealed no significant association between chromosome 9p21 and the primary outcome of CHD death/myocardial infarction among those with established CHD at baseline (GENIUS-CHD odds ratio, 1.02; 95% CI, 0.99-1.05). This contrasted with a strong association in CARDIoGRAMPlusC4D odds ratio 1.20; 95% CI, 1.18-1.22; P for interaction <0.001 compared with the GENIUS-CHD estimate. Similarly, no clear associations were identified for additional subsequent outcomes, including all-cause death, although we found a modest positive association between chromosome 9p21 and subsequent revascularization (odds ratio, 1.07; 95% CI, 1.04-1.09).

CONCLUSIONS: In contrast to studies comparing individuals with CHD to disease-free controls, we found no clear association between genetic variation at chromosome 9p21 and risk of subsequent acute CHD events when all individuals had CHD at baseline. However, the association with subsequent revascularization may support the postulated mechanism of chromosome 9p21 for promoting atheroma development.

Original languageEnglish
Article numbere002471
Number of pages12
JournalCirculation. Genomic and precision medicine
Volume12
Issue number4
DOIs
Publication statusPublished - Apr 2019

Keywords

  • chromosone
  • genetic variation
  • myocardial infarction
  • risk factor
  • secondary prevention

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