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Assessment of the Genetic Relationship Between Circulating Cytokines and Calcific Aortic Valvular Stenosis Using a
Junyi He1,2,3,4, Boao Chen1,2,3,4, Junling Mao1,2,3,4
1Department of Cardiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Summary
This study investigated the link between cytokines and calcific aortic valvular stenosis (CAVS) using Mendelian randomization. While no direct causal links were found, certain cytokine levels suggest potential associations with CAVS risk.
Area of Science:
- Cardiovascular Research
- Immunology
- Genetics
Background:
- Calcific aortic valvular stenosis (CAVS) is a complex cardiovascular disease.
- Associations between cytokines and CAVS have been observed, but causal relationships remain unclear.
- Understanding these links is crucial for developing targeted therapies.
Purpose of the Study:
- To investigate the potential causal relationships between circulating cytokines and the risk of CAVS.
- To explore whether genetic predisposition to CAVS influences cytokine levels.
Main Methods:
- A bidirectional Mendelian randomization (MR) study was conducted.
- Genetic variants for 41 cytokines and CAVS GWAS data were utilized.
- Inverse-variance weighting (IVW) and sensitivity analyses were employed.
Main Results:
- No significant causal associations were found between the 41 cytokines and CAVS risk.
- Elevated interleukin-18 (IL-18) and interferon-gamma (IFN-γ) showed suggestive links to increased CAVS risk.
- Increased IL-13 and IL-5 were suggestively associated with reduced CAVS risk.
- CAVS showed a suggestive inverse relationship with platelet-derived growth factor BB (PDGF-BB) and IL-4 levels.
Conclusions:
- The study suggests potential causal roles for IL-18, IFN-γ, IL-13, and IL-5 in CAVS risk.
- Genetic factors contributing to CAVS may influence PDGF-BB and IL-4 levels.
- Further research is warranted to elucidate the complex interplay between cytokines and CAVS pathogenesis.
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