Abstract
Purpose
Multiple circulating proteins have been reported to participate in human diseases. However, the association between cardiovascular proteins and membranous nephropathy (MN) remained profoundly elusive.
Methods
A bidirectional Mendelian randomization (MR) analysis was conducted to explore the causal correlation between ninety cardiovascular proteins and MN. Genome-wide association study (GWAS) data of cardiovascular proteins and MN were all from European research. Inverse variance weighted (IVW) was used as the main approach. Moreover, MR-Egger, weighted median, weighted mode, and simple mode were also performed. Cochrane’s Q test, MR-Egger, and MR-PRESSO were conducted for sensitivity analysis.
Results
According to IVW method, fatty acid-binding protein and thrombomodulin (TM) were identified as risk factors for MN, while a protective role was detected in tissue-type plasminogen activator. Additionally, MN was associated with an elevated level of macrophage colony-stimulating factor 1, stem cell factor, TM, and tissue factor. Reversely, MN was also correlated with a downregulated level of beta-nerve growth factor, Cathepsin D, hepatocyte growth factor, interleukin-6 receptor subunit alpha, macrophage colony-stimulating factor 1, and myeloperoxidase. In the sensitivity analysis, no significant pleiotropy and heterogeneity was detected.
Conclusion
This was the first study to reveal the causal association between cardiovascular proteins and MN. These specific cardiovascular proteins could be novel biomarkers for MN, and is helpful for timely identify the risk of other diseases that might result from MN. However, further clinical studies are needed to confirm our results.
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Data availability statement
The datasets presented in this study could be found in online site: https://gwas.mrcieu.ac.uk/ and Supplementary Material.
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Acknowledgements
The authors would like to thank the participants and investigators of the GWAS used in this study.
Funding
This work was supported by the Key Clinical Research Project of the Second Affiliated Hospital of Nanchang University (No. 2022efyB01), the “Thousand Talents Plan” Project of Introducing and Training High‐level Talents of Innovation and Entrepreneurship in Jiangxi Province (No. JXSQ2023201030), and the Jiangxi Graduate Innovation Special Fund (No. YC2023-B090).
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Q. M. conducted conception, design, data collection, funding, and manuscript writing. G. X. was responsible for the funds and paper revision. All authors approved the final version of the manuscript.
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Ma, Q., Xu, G. Causal association between cardiovascular proteins and membranous nephropathy: a bidirectional Mendelian randomization. Int Urol Nephrol (2024). https://doi.org/10.1007/s11255-024-04004-w
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DOI: https://doi.org/10.1007/s11255-024-04004-w