Summary
To probe into the genetic background and immunopathogenesis of dilated cardiomyopathy (DCM), HLA-DRBl gene polymorphism in 68 patients with DCM and 175 normal control subjects were analyzed by using the polymerase chain reaction/sequence specific primer (PCR/SSP) techniques. It was found that the frequencies of HLA-DRBl * 15 and HLA-DRBl * 03 alleles were significantly lower in DCM patients than those in normal controls (14.71% vs 29.71% and 4.41% vs 15.43%, respectively), the relative risks (RR) in the DCM patients being 0.41 and 0.25, respectively, allP>0.05. However, the frequencies of HLA-DRBl 11 and HLA-DRB1* 12 alleles were significantly higher in the DCM patients than in controls (29.4% vs 12.00% and 36. 76% vs 12. 57%, respectively) with the RR in the DCM patients being 3.06 and 4.04, respectively, allP>0. 01. These findings further demonstrated that-immunogenetics might play a predominant pathogenetic role in partial DCM patients.
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This project was supported by a grant from the Chinese Ministry of Public Health (No. 96-2-105).
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Qiufen, W., Yuhua, L., Feili, G. et al. HLA-DRB1 gene polymorphism in patients with dilated cardiomyopathy. Current Medical Science 20, 141–142 (2000). https://doi.org/10.1007/BF02887055
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DOI: https://doi.org/10.1007/BF02887055