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This study examined the association of a common polymorphic allele (25G) of the low-density lipoprotein receptor-related proteinl (LRP1) gene with myocardial infarction (MI).The genotypes of LRP1 25CG (rs35282763) were determined in 347 MI patients and 347 age-and sex-frequency-matched controls from an unrelated Chinese Han population.Factor Ⅷ (FⅧ) levels were measured in the MI patients and controls by chromogenic assay and enzyme-linked immunosorbent assay (ELISA).The results showed that LRP1 25CG (rs35282763) genotype distribution did not differ significantly between patients (n=206 for 25CC,n=122 for 25CG) and controls (n=191 for 25CC,n=126 for 25CG;P＞0.05).The 25G allele was not associated with a reduced risk of MI (P ＞0.05).Further stratifications for age,sex,and other cardiovascular risk factors did not affect the negative findings.It was concluded that the presence of the G allele at the 25CG (rs35282763) polymorphism of the LRP1is not associated with a reduced risk of MI,and genotyping for LRP1 25CG (rs35282763) polymorphism is not useful in assessing the individual risk of MI.