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<p>Introduction: Magnesium homeostasis is critical for cellular growth and metabolism, yet its pan-cancer implications remain poorly characterized. This study aims to comprehensively analyze magnesium homeostasis across 33 cancer types, exploring its role in tumorigenesis, immune regulation, and therapeutic potential.&#xa0;Key magnesium homeostasis-related genes (e.g., ANK3, CNNM2) were significantly downregulated in most tumors, correlating with improved prognosis. Magnesium homeostasis scores (MHS) were reduced in cancers and linked to lower tumor mutational burden (TMB), microsatellite instability (MSI), immune dysfunction, and checkpoint gene expression. Single-cell sequencing revealed elevated MHS in CD8 + T cells, suggesting immune modulation roles. Conclusion: These findings highlight magnesium homeostasis as a regulator of tumor progression and immunity, with MHS serving as a prognostic biomarker. Targeting magnesium pathways may offer novel therapeutic strategies, warranting further clinical validation to advance personalized cancer therapies.</p>

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Pan-Cancer Landscape of Magnesium Homeostasis: Bulk Omics Research and Single-Cell Sequencing Validation

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年10月31日

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  • Yan Qin,
  • Zhuo-er Yuan,
  • De Yin,
  • Sheng-yue Zhang,
  • Yu-cao Sun,
  • Wei Li

摘要

Introduction: Magnesium homeostasis is critical for cellular growth and metabolism, yet its pan-cancer implications remain poorly characterized. This study aims to comprehensively analyze magnesium homeostasis across 33 cancer types, exploring its role in tumorigenesis, immune regulation, and therapeutic potential. Key magnesium homeostasis-related genes (e.g., ANK3, CNNM2) were significantly downregulated in most tumors, correlating with improved prognosis. Magnesium homeostasis scores (MHS) were reduced in cancers and linked to lower tumor mutational burden (TMB), microsatellite instability (MSI), immune dysfunction, and checkpoint gene expression. Single-cell sequencing revealed elevated MHS in CD8 + T cells, suggesting immune modulation roles. Conclusion: These findings highlight magnesium homeostasis as a regulator of tumor progression and immunity, with MHS serving as a prognostic biomarker. Targeting magnesium pathways may offer novel therapeutic strategies, warranting further clinical validation to advance personalized cancer therapies.