ArticleBrain & spine2026
Cortical structural variations and scoliosis risk: insights from a large-scale Mendelian randomization analysis.
Article in Brain & spine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
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Abstract
Introduction: Scoliosis is a complex condition that may be influenced by neurobiological factors, including brain structure. Research question: Does a causal relationship exist between brain structure and scoliosis, and if so, which brain structural imaging-derived phenotypes (IDPs) are implicated? Material and methods: We conducted a bidirectional Mendelian randomization (MR) analysis to evaluate potential causal relationships between brain structural IDPs and scoliosis. Instrumental variables were selected from genome-wide association studies, and causal estimates were derived primarily using inverse variance weighted (IVW) analysis, complemented by other sensitivity analyses. Results: In the forward MR analysis, 27 brain structural IDPs showed positive associations with scoliosis risk, whereas 37 showed negative associations. Notably, increased grey matter volume in the left middle frontal gyrus (MFG) showed the strongest association (IDP code: IDP_T1_FAST_ROIs_L_mid_front_gyrus; IVW OR = 2.238, 95 % CI: 1.534-3.264, P = 2.911 × 10 Discussion and conclusion: These findings provide evidence supporting a potential causal role of specific brain structures in scoliosis susceptibility, particularly the left MFG, a region associated with postural control. Further studies are needed to replicate these associations and clarify their clinical relevance.
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