Role of Coagulation Factor Ⅶ in Pathogenesis of Ischemic Heart Disease

来源 :华中科技大学学报(医学英德文版) | 被引量 : 0次 | 上传用户:yuezhiyaodao
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To study the variation and significance of plasma coagulation factor Ⅶ (FⅦ) in differ ent kinds of ischemia heart disease (IHD) and examine its relation with plasma lipid and gene polymorphism. FⅦa was determined with one stage clotting assay by using a recombinant soluble tissue factor (rsTF). FⅦc was measured with one stage clotting assay. FⅦag was quantified with an enzyme-linked immunosorbent assay (ELISA). Polymorphism was analyzed with PCR-urea-polyacrylamide gel electrophoresis. Our results showed that FⅦa in stable angina (SA),unstable angina (UA), obsolete and acute myocardial infraction (OMI, AMI) patients was higher than those of normal group with the differences being significant within any two groups. FⅦag in UA, OMI and AMI was higher than those in SA and normal groups. There were positive correlations between FⅦa and serum triglycerides, FⅦa and FⅦc, FⅦc and FⅦag. FⅦ-323 0/10 bp polymorphism analysis was performed in 60 patients and 0/10 bp polymorphism was found in 5 cases. FⅦc and FⅦag were much lower in cases of 0/10 bp groups than those in cases of 0/0 bp groups. It is concluded that there was activation of extrinsic coagulation pathway in every kind of IHD to different extent. FⅦa was the risk factor in the development of IHD, and more sensitive in reflecting the severity of cardiovacutar disease than FⅦc or FⅦag. FⅦa was higher in OMI, which may be one of the risk factors of re-infraction. Serum triglyceride may indirectly lead to the development of IHD by increasing the level of FⅦa. FⅦ-323 0/10 bp polymorphism was present in Chinese patients with IHD and it was correlated with the level of FⅦc, FⅦag in plasma. 10 bp allelomorphic gene was a protective factor against thrombogenesis.
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