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Published on: January 28, 2020
[Correlation between MPO 129 A/G polymorphism and severity of coronary artery disease]
Jun-ling Hu1, Jian-bo Xu, Xin Zhou
1Graduate School of Tianjin Medical University, Tianjin 300070, China.
Insights
Myeloperoxidase (MPO) 129 A/G promoter polymorphisms do not correlate with coronary artery disease (CAD) severity or MPO activity. MPO 129 locus polymorphism is not a reliable predictor of CAD progression.
Area of Science:
- Genetics and Molecular Biology
- Cardiovascular Research
- Biochemistry
Context:
- Coronary artery disease (CAD) is a leading cause of mortality worldwide.
- Myeloperoxidase (MPO) is an enzyme implicated in inflammatory processes associated with atherosclerosis.
- Genetic variations in the MPO gene may influence CAD susceptibility and severity.
Purpose:
- To investigate the association between myeloperoxidase (MPO) 129 A/G promoter polymorphisms and the severity of coronary artery disease (CAD).
- To determine if MPO 129 locus polymorphism correlates with serum MPO activity and CAD progression.
Summary:
- This study analyzed 267 CAD patients, assessing MPO 129 A/G genotypes via PCR-RFLP and serum MPO activity.
- No significant differences in serum MPO activity or CAD severity (Gensini scores, number of stenotic arteries) were found across different MPO genotypes.
- While GG genotypes showed a trend towards multivessel disease, overall MPO 129 locus polymorphism did not significantly predict CAD severity.
Impact:
- Findings suggest that MPO 129 A/G promoter polymorphism is not a significant predictive factor for coronary artery disease severity.
- This research contributes to understanding the genetic underpinnings of CAD and may guide future etiological studies.
- Highlights the need for further investigation into other genetic and environmental factors influencing MPO activity and CAD progression.
Objective:
To explore the relationship between myeloperoxidase (MPO) 129 A/G promoter polymorphisms and the severity of coronary artery disease (CAD).
Methods:
The study enrolled 267 patients who had been diagnosed as coronary artery diseases by coronary angiography. The serum MPO activity was detected by colorimetric method. PCR-RFLP method was used to decide the genotypes of the patients. The severity of CAD was evaluated by the numbers of stenotic coronary arteries and the Gensini scores respectively.
Results:
The MPO 129 locus G and A alleles frequency were 0.893 and 0.107, respectively. No significant difference was observed in serum MPO activity between different genotypes (P > 0.05). The distribution of genotypes in different Gensini score groups had no significant difference (P > 0.05). The patients with GG genotypes were prone to develop mutivessel diseases.
Conclusion:
No significant correlation exists in MPO 129 locus polymorphism and serum MPO activity. The MPO 129 locus polymorphism isn't a reasonable predict factor of CAD severity.
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