The relationship between autoimmune disorders and intracranial aneurysms in East Asian and European populations: a bidirectional and multivariable two-sample Mendelian randomization study

被引:2
作者
Tang, Chao [1 ]
Ruan, Rongcheng [1 ]
Pan, Bingxiao [2 ]
Xu, Minghong [1 ]
Huang, Jing [1 ]
Xiong, Zhaoying [3 ]
Zhang, Zhenxing [4 ]
机构
[1] Jinzhou Med Univ, Jinzhou, Peoples R China
[2] China Med Univ, Affiliated Hosp 2, Dept Orthoped, Shenyang, Peoples R China
[3] Nanchong Cent Hosp, Dept Nucl Med, Nanchong, Peoples R China
[4] Jinzhou Med Univ, Affiliated Hosp 1, Dept Neurosurg, Jinzhou, Peoples R China
基金
英国科研创新办公室;
关键词
autoimmune disorders; intracranial aneurysms; Mendelian randomization; SNPs; multivariable Mendelian randomization; causal relationship; SYSTEMIC-LUPUS-ERYTHEMATOSUS; SUBARACHNOID HEMORRHAGE; CEREBRAL ANEURYSMS; CAUSAL INFERENCE; RISK; INFLAMMATION; RUPTURE; DISEASE; PATIENT; STROKE;
D O I
10.3389/fneur.2024.1412114
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Background It remains unclear about the pathogenesis of intracranial aneurysms (IAs) in the setting of autoimmune disorders (ADs). However, the underlying systemic inflammatory characteristics of ADs may affect IAs through shared inflammatory pathways. Therefore, this study was conducted to explore the relationship between ADs and IAs and assess causal effects.Methods In this study, 6 common ADs were included to explore their causal relationship with IAs. Besides, a bidirectional two-sample univariable Mendelian randomization (UVMR) analysis was performed. In addition, the primary analysis was performed by the inverse variance weighted (IVW) and Bayesian weighted Mendelian randomization (BWMR) method, and a series of sensitivity analyses were performed to assess the robustness of the results. Further, the data related to ADs and IAs were collected from open genome-wide association study studies (GWASs) and the Cerebrovascular Disease Knowledge Portal (CDKP) (including 11,084 cases and 311,458 controls), respectively. These analyses were conducted based on both the East Asian and European populations. Moreover, 6 ADs were subject to grouping according to connective tissue disease, inflammatory bowel disease, and thyroid disease. On that basis, a multivariate MR (MVMR1) analysis was further performed to explore the independent causal relationship between each AD and IAs, and an MVMR 2 analysis was conducted to investigate such potential confounders as smoking, alcohol consumption, and systolic blood pressure. Finally, these results were verified based on the data from another GWAS of IAs.Results The UVMR analysis results demonstrated that systemic lupus erythematosus (SLE) was associated with a high risk of IAs in the East Asian population (IVW OR, 1.06; 95%CI, 1.02-1.11; p = 0.0065, UVMR), which was supported by the results of BWMR (OR, 1.06; 95%CI, 1.02-1.11; p = 0.0067, BWMR), MVMR1 (OR, 1.06; 95%CI, 1.01-1.10; p = 0.015, MVMR1), MVMR2 (OR, 1.05; 95%CI, 1.00-1.11; p = 0.049, MVMR2), and sensitivity analyses. The results in the validation group also suggested a causal relationship between SLE and IAs (IVW OR, 1.04; 95% CI, 1.00-1.09; p = 0.046). The reverse MR analysis results did not reveal a causal relationship between IAs and ADs.Conclusion In this MR study, SLE was validated to be a risk factor for IAs in the East Asian population. Therefore, the management of IAs in patients with SLE should be highlighted to avoid stroke events.
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页数:8
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