Determinants of Plasminogen Activator Inhibitor-1 in South Asians with Ischaemic Stroke

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To investigate the relationship of circulating plasminogen activator inhibitor-1 (PAI-1) levels with features of insulin resistance and genotype at a single nucleotide insertion/deletion (4G/5G) polymorphism in the promoter region of the PAI-1 gene in 101 South Asian ischaemic stroke patients and 102 symptom-free reference subjects. The allele frequencies were 4G-0.51, 5G-0.49 and 4G-0.61, 5G-0.39 in patients and reference subjects, respectively. There was a significant association between PAI-1 promoter genotype and PAI-1 antigen levels in patients. Regression analysis with significant correlates in the model demonstrated age, gender and triglycerides in patients and fasting insulin and HDL cholesterol in reference subjects as independent predictors of PAI-1 antigen.

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