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Background <p>Meningioma is a common central nervous system tumor that poses serious health hazards and increases with age. However, the role of immune cells in meningioma remains incompletely understood.</p> Methods <p>Data from genome-wide association studies on meningioma, cyclic cytokines, and immune cells were comprehensively analyzed. We conducted a two-step, two-sample mendelian randomization study to investigate the causal relationship between immune cell characteristics and meningioma. Furthermore, we examined the mediation effect of cyclic cytokines in connecting the association of immune cells with the risk of meningioma.</p> Results <p>Eighteen immune phenotypes showed significant correlations with meningioma risk. Notably, Naive CD4-CD8- T cell %T Cell (OR: 1.380, 95% CI: 1.013–1.880, <i>P</i> = 0.041) and FSC-A on Myeloid Dendritic Cell (OR: 1.177, 95% CI: 1.045–1.325, <i>P</i> = 0.007) were implicated in promoting meningioma via MMP-1. The mediation effects of MMP-1 in these two immune cells were 0.023 and 0.015, with corresponding proportions of 7.110% and 8.981% in the mediation effect ratio.</p> Conclusion <p>Our study elucidated the causal relationship between immune cell phenotypes and meningioma, pinpointing the potential role of MMP-1. These findings provide clues for potential therapeutic targets.</p>

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Cyclic cytokines mediated the effect of immune cells on meningioma: a two-step, mediation mendelian randomization study

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月23日

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  • Mingsheng Huang,
  • Yiheng Liu,
  • Cheng Chen,
  • Yuan Cheng,
  • Weiran Dai

摘要

Background

Meningioma is a common central nervous system tumor that poses serious health hazards and increases with age. However, the role of immune cells in meningioma remains incompletely understood.

Methods

Data from genome-wide association studies on meningioma, cyclic cytokines, and immune cells were comprehensively analyzed. We conducted a two-step, two-sample mendelian randomization study to investigate the causal relationship between immune cell characteristics and meningioma. Furthermore, we examined the mediation effect of cyclic cytokines in connecting the association of immune cells with the risk of meningioma.

Results

Eighteen immune phenotypes showed significant correlations with meningioma risk. Notably, Naive CD4-CD8- T cell %T Cell (OR: 1.380, 95% CI: 1.013–1.880, P = 0.041) and FSC-A on Myeloid Dendritic Cell (OR: 1.177, 95% CI: 1.045–1.325, P = 0.007) were implicated in promoting meningioma via MMP-1. The mediation effects of MMP-1 in these two immune cells were 0.023 and 0.015, with corresponding proportions of 7.110% and 8.981% in the mediation effect ratio.

Conclusion

Our study elucidated the causal relationship between immune cell phenotypes and meningioma, pinpointing the potential role of MMP-1. These findings provide clues for potential therapeutic targets.