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- Title
Genetic causal relationship between immune diseases and migraine: a Mendelian randomization study.
- Authors
Guanglu Li; Shaojie Duan; Tao Zheng; Tiantian Zhu; Baoquan Qu; Lei Liu; Zunjing Liu
- Abstract
Background: Migraine has an increased prevalence in several immune disorders, but genetic cause-effect relationships remain unclear. Mendelian randomization (MR) was used in this study to explore whether immune diseases are causally associated with migraine and its subtypes. Methods: We conducted a two-sample bidirectional multivariate Mendelian randomization study. Single-nucleotide polymorphisms (SNP) for six immune diseases, including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), type 1 diabetes mellitus (T1D), allergic rhinitis (AR), asthma and psoriasis, were used as genetic instrumental variables. Summary statistics for migraine were obtained from 3 databases: the International Headache Genetics Consortium (IHGC), UK Biobank, and FinnGen study. MR analyses were performed per outcome database for each exposure and subsequently meta-analyzed. Reverse MR analysis was performed to determine whether migraine were risk factors for immune diseases. In addition, we conducted a genetic correlation to identify shared genetic variants for these two associations. Results: No significant causal relationship was found between immune diseases and migraine and its subtypes. These results were robust with a series of sensitivity analyses. Using the linkage disequilibrium score regression method (LDSC), we detected no genetic correlation between migraine and immune diseases. Conclusion: The evidence from our study does not support a causal relationship between immune diseases and migraine. The mechanisms underlying the frequent comorbidity of migraine and several immune diseases need to be further elucidated.
- Subjects
UNITED Kingdom; IMMUNOLOGIC diseases; MIGRAINE; MIGRAINE aura; RHEUMATOID arthritis; TYPE 1 diabetes; SYSTEMIC lupus erythematosus; GENETIC correlations; DISEASE risk factors
- Publication
Frontiers in Immunology, 2024, p1
- ISSN
1664-3224
- Publication type
Article
- DOI
10.3389/fimmu.2024.1376698