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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
Published on: January 28, 2020
C-reactive protein gene polymorphisms and the incidence of post-angioplasty restenosis
Robert Y L Zee1, Hillary H Hegener, Arturo Fernandez-Cruz
1Division of Preventive Medicine, Brigham and Women's Hospital, Harvard Medical School, 900 Commonwealth Avenue East, Boston, MA 02215, USA. rzee@rics.bwh.harvard.edu
Insights
This study investigated genetic variants in the C-reactive protein (CRP) gene and their association with restenosis after coronary angioplasty. No significant link was found between CRP gene polymorphisms and restenosis risk in patients.
Area of Science:
- Cardiovascular Genetics
- Molecular Epidemiology
- Interventional Cardiology
Background:
- Plasma C-reactive protein (CRP) levels are established predictors of restenosis post-coronary angioplasty.
- CRP levels exhibit heritability, suggesting a potential genetic influence.
- Limited genetic-epidemiological data exist on CRP gene variants and restenosis risk.
Purpose of the Study:
- To investigate the association between specific C-reactive protein (CRP) gene polymorphisms (1059G > C and T > A) and the risk of restenosis after angioplasty.
- To analyze haplotype frequencies of CRP gene variants in relation to restenosis.
Main Methods:
- A cohort of 779 post-angioplasty patients, including 342 who developed restenosis, was analyzed.
- Genotyping for CRP gene polymorphisms (1059G > C, T > A) and haplotype analysis were performed.
- Logistic and linear regression models, adjusted for confounders, were used to assess associations.
Main Results:
- Genotype and allele distributions for the studied CRP gene polymorphisms were similar between restenosis cases and controls.
- Haplotype frequency distributions also showed no significant differences between cases and controls.
- Statistical analyses, including haplotype-based regression, yielded null results, indicating no association.
Conclusions:
- The tested polymorphisms and haplotypes within the C-reactive protein (CRP) gene are not associated with restenosis risk following coronary angioplasty.
- Further research may be needed to explore other genetic factors or environmental influences on post-angioplasty restenosis.
Abstract:
Recent findings have demonstrated that plasma C-reactive protein levels predict restenosis after coronary angioplasty. Furthermore, C-reactive protein levels have also been shown to be heritable. However, no genetic-epidemiological data are available on the relationship between genetic variants of C-reactive protein (CRP) gene and risk of restenosis after angioplasty. The present study was carried out to examine the possible association of a non-sense exonic 1059G > C and an intronic T > A C-reactive protein gene polymorphisms in a large, previously described, well-characterized cohort of 779 post-angioplasty patients of whom 342 subjects developed restenosis. Genotype distributions were in Hardy-Weinberg equilibrium. Genotype and allele distributions were similar between cases and controls. Haplotype frequency distributions were also similar between cases and controls. Further investigation using a haplotype-based logistic and linear regression analyses, adjusting for potential confounders, yielded similar null results. In conclusion, we found no evidence for an association between the polymorphisms/haplotypes thereof tested and restenosis after angioplasty.
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