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A common variant on chromosome 9p21 affects the risk of myocardial infarction |
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| Authors: | Helgadottir Anna Thorleifsson Gudmar Manolescu Andrei Gretarsdottir Solveig Blondal Thorarinn Jonasdottir Aslaug Jonasdottir Adalbjorg Sigurdsson Asgeir Baker Adam Palsson Arnar Masson Gisli Gudbjartsson Daniel F Magnusson Kristinn P Andersen Karl Levey Allan I Backman Valgerdur M Matthiasdottir Sigurborg Jonsdottir Thorbjorg Palsson Stefan Einarsdottir Helga Gunnarsdottir Steinunn Gylfason Arnaldur Vaccarino Viola Hooper W Craig Reilly Muredach P Granger Christopher B Austin Harland Rader Daniel J Shah Svati H Quyyumi Arshed A Gulcher Jeffrey R Thorgeirsson Gudmundur Thorsteinsdottir Unnur |
| Institution: | deCODE genetics, Sturlugata 8, IS-101 Reykjavik, Iceland. |
| Abstract: | The global endemic of cardiovascular diseases calls for improved risk assessment and treatment. Here, we describe an association between myocardial infarction (MI) and a common sequence variant on chromosome 9p21. This study included a total of 4587 cases and 12,767 controls. The identified variant, adjacent to the tumor suppressor genes CDKN2A and CDKN2B, was associated with the disease with high significance. Approximately 21% of individuals in the population are homozygous for this variant, and their estimated risk of suffering myocardial infarction is 1.64 times as great as that of noncarriers. The corresponding risk is 2.02 times as great for early-onset cases. The population attributable risk is 21% for MI in general and 31% for early-onset cases. |
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