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Pan-Cancer Landscape of Magnesium Homeostasis: Bulk Omics Research and Single-Cell Sequencing Validation
Yan Qin1, Zhuo-Er Yuan2, De Yin2
1Department of Health Management, Zhuang Autonomous Region & Research Center of Health Management, The People's Hospital of Guangxi, Guangxi Academy of Medical Sciences, Nanning, 530021, Guangxi, People's Republic of China.
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.
