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Gut microbiomes could potentially have a causal impact on the development of migraines, including those with aura and without aura.
In a recent breakthrough, researchers have delved into the intricate connection between the gut microbiome and the onset of migraines and their varying forms. The ongoing debate surrounding the link between these two factors has taken a significant stride towards clarity.
Employing a comprehensive approach, the study drew upon single nucleotide polymorphisms related to the gut microbiome from the gene-wide association study conducted by the MiBioGen consortium.
Concurrently, the researchers utilized summary statistic datasets from the collaborative gene-wide association meta-analysis conducted by the International Headache Genetics Consortium (IHGC) and the FinnGen consortium. This analysis covered migraine, migraine with aura, and migraine without aura. A primary methodology known as inverse variance weighting (IVW) spearheaded the investigation, with supplementary sensitivity analyses accounting for pleiotropy and bolstering reliability.
Remarkably, the results gleaned from IHGC datasets unveiled a web of connections, highlighting ten bacterial taxa for migraine, five for migraine with aura, and nine for migraine without aura, all showcasing a statistically significant causal relationship (IVW, all P < 0.05). The FinnGen datasets further validated these findings, specifically pinpointing genus Coprococcus3 and genus Anaerotruncus. A deeper exploration of the data revealed an intricate tapestry of nine, twelve, and seven bacterial entities distinctly linked to migraine, migraine with aura, and migraine without aura, respectively.
Notably, even after applying the false discovery rate correction, the causal tie persisted for family Bifidobacteriaceae and order Bifidobacteriales concerning migraine and migraine without aura. Robustness was buttressed by meticulous analyses addressing heterogeneity and pleiotropy, effectively cementing the integrity of the IVW findings. The culmination of this comprehensive research underscores the tantalizing prospect of gut microbiomes wielding causal influence over migraine, migraine with aura, and migraine without aura.
This study not only paves the way for a novel perspective on the gut-brain axis dysfunction within the context of migraines but also ignites the necessity for forthcoming inquiries to authenticate the gut microbiome's role and elucidate the underlying mechanisms fueling this intricate relationship.
The Journal of Headache and Pain
A causal effects of gut microbiota in the development of migraine
Qiang He et al.
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