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[Association between the HLA system and myocardial infarct]
Vutreshni Bolesti
|January 1, 1983
Insights
Patients with myocardial infarction, diabetes, and hypertension show a link to HLA-BW. This association was not found in patients with myocardial infarction but without these comorbidities.
Area of Science:
- Cardiology
- Immunogenetics
- Endocrinology
Background:
- Myocardial infarction (MI) is a leading cause of mortality worldwide.
- The interplay between diabetes mellitus, hypertension, and cardiovascular disease is complex.
- Human Leukocyte Antigen (HLA) genes are known to influence immune responses and disease susceptibility.
Purpose of the Study:
- To investigate the association between specific Human Leukocyte Antigen (HLA) alleles and myocardial infarction (MI) in patients with and without diabetes mellitus and hypertension.
- To determine if concomitant diabetes and hypertension modify the genetic predisposition to MI.
Main Methods:
- A cohort of 200 patients with myocardial infarction was analyzed.
- Patients were stratified based on the presence or absence of insulin-independent diabetes mellitus and hypertension.
- HLA-BW antigen typing was performed for all participants.
Main Results:
- An association between the HLA-BW antigen and myocardial infarction was observed in patients with both diabetes and hypertension (35 patients).
- This specific association with HLA-BW was not detected in the subgroup of myocardial infarction patients without diabetes and hypertension (91 patients).
- The remaining 91 patients (MI without diabetes and hypertension) also did not show this association.
Conclusions:
- The presence of both diabetes mellitus and hypertension may be a critical factor in the observed association between HLA-BW and myocardial infarction.
- HLA-BW could play a role in the pathogenesis of myocardial infarction, particularly in patients with these metabolic and vascular comorbidities.
- Further research is warranted to elucidate the mechanisms underlying this genetic-comorbidity interaction in cardiovascular disease.
Abstract:
In 200 patients with myocardial infarction, 35 of them with concomitant insulin-independent diabetes mellitus, 91 - with hypertension and 91 - without diabetes and hypertension, it was established that the patients with diabetes and hypertension manifected an association with HLA-BW, whereas sucr association was not observed in infarction group without hypertension and diabetes.