[Association of fibrinogen B beta -1420G/A, -993C/T and -854G/A gene polymorphism with coronary heart disease].

Zhonghua Yi Xue Yi Chuan Xue Za Zhi

Department of Hematology, Affiliated Hospital, Luzhou Medical College, Luzhou, Sichuan, 646000, P. R. China.

Published: December 2006

Objective: To analyze the frequency of FGB gene -1420G/A, -993C/T and -854G/A polymorphisms, and their association with plasma fibrinogen levels in patients with coronary heart disease and in health adults.

Methods: The FGB gene -1420G/A, -993C/T and -854G/A polymorphisms were analyzed with restriction fragment length polymorphisms, polymerase chain reaction with allele-specific primer and nucleotide sequencing methods. Plasma fibrinogen levels were determined by turbidimetry.

Results: The frequencies of -1420A were 0.33 in patients with coronary heart disease and 0.26 in health adults. The frequencies of -1420A in coronary heart disease were apparently higher than that in health adults. There were no difference in frequencies of other two alleles. The logistic study suggested -1420G/A polymorphism was associated with coronary heart disease. There are significantly difference in plasma fibrinogen levels in two groups. Plasma fibrinogen levels were significantly increased in patients with coronary heart disease.

Conclusion: This study suggests -1420G/A polymorphism may be associated with occurrence of coronary heart disease.

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