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<p>Tumor suppressor genes (TSGs) are critical regulators of cellular homeostasis and are extensively studied in cancer biology. However, their roles in neurodegenerative diseases, particularly Alzheimer’s disease (AD), remain poorly understood. Recent evidence of an inverse association between cancer and AD suggests the existence of shared molecular mechanisms. We conducted an integrative analysis to identify TSGs with potential involvement in both AD and glioblastoma (GBM), using Mendelian randomization, transcriptomic profiling (bulk and single-cell RNA-seq), cell–cell communication inference, and in vitro validation. Among 1,217 TSGs screened, <i>TNFRSF12A</i> was consistently dysregulated in both GBM and AD datasets. Further analysis revealed its association with immune-related pathways and transcriptional programs relevant to both diseases. Knockdown of <i>TNFRSF12A</i> in glioma cells altered the expression of genes associated with amyloid precursor protein (APP) processing and Wnt signaling pathways. This study identifies <i>TNFRSF12A</i> as a cross-disease candidate gene in GBM and AD, based on transcriptomic convergence and partial functional validation. Our findings suggest that TSGs may contribute to shared molecular programs in neurodegeneration and cancer, and warrant further mechanistic investigation.</p>

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Potential role of TNFRSF12A in linking glioblastoma and alzheimer’s disease via shared tumour suppressor pathways

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月1日

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  • Ting Liu,
  • Jingjing Pu,
  • Sandra Theil,
  • Yanxia Liu,
  • Liping Jiang,
  • Hongde Liu,
  • Jarek Maciaczyk,
  • Ingo G. H. Schmidt-Wolf,
  • Jochen Walter,
  • Amit Sharma

摘要

Tumor suppressor genes (TSGs) are critical regulators of cellular homeostasis and are extensively studied in cancer biology. However, their roles in neurodegenerative diseases, particularly Alzheimer’s disease (AD), remain poorly understood. Recent evidence of an inverse association between cancer and AD suggests the existence of shared molecular mechanisms. We conducted an integrative analysis to identify TSGs with potential involvement in both AD and glioblastoma (GBM), using Mendelian randomization, transcriptomic profiling (bulk and single-cell RNA-seq), cell–cell communication inference, and in vitro validation. Among 1,217 TSGs screened, TNFRSF12A was consistently dysregulated in both GBM and AD datasets. Further analysis revealed its association with immune-related pathways and transcriptional programs relevant to both diseases. Knockdown of TNFRSF12A in glioma cells altered the expression of genes associated with amyloid precursor protein (APP) processing and Wnt signaling pathways. This study identifies TNFRSF12A as a cross-disease candidate gene in GBM and AD, based on transcriptomic convergence and partial functional validation. Our findings suggest that TSGs may contribute to shared molecular programs in neurodegeneration and cancer, and warrant further mechanistic investigation.