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Background <p>Metabolic reprogramming is a hallmark of cancer, yet the role of ATIC-mediated folate metabolism in bladder and other solid tumors remains understudied. Due to its critical role in cancer cell growth, folate metabolism could be a promising target for novel, broadly applicable cancer therapies.</p> Methods <p>This study integrated multiple bladder cancer datasets from TCGA, GEO, and clinical data from 80 patients at our hospital to explore the relationship between ATIC and folate metabolism. We focused on expression patterns, prognosis, metabolic processes, microenvironment, drug resistance, and associated pathways. Through multi-omics analysis, 97 single-cell datasets, 18 spatial tissue slices, and machine learning approaches, we assessed ATIC as a pan-cancer driver and identified key folate metabolism-related driver genes.</p> Results <p>We found that ATIC overexpression in bladder cancer was linked to poor prognosis, GC chemotherapy resistance, elevated cancer folate levels, and malignant phenotypes. Our study first proposed that ATIC promotes bladder cancer progression by regulating the AMPK-mTOR-S6K1 axis under folate reprogramming. We also validated ATIC-folate reprogramming crosstalk across cancers through pan-cancer analysis and created a multi-cancer folate metabolism-driven gene map, highlighting the importance of ATIC and folate metabolism in future oncology research.</p> Conclusions <p>Our study identifies ATIC as a key cancer driver gene. Targeting ATIC offers a promising therapeutic strategy, especially for bladder cancer and potentially other cancers with disrupted folate metabolism. These findings highlight new treatment possibilities targeting metabolic vulnerabilities in cancer.</p>

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ATIC facilitates the malignant progression of bladder cancer by modulating AMPK-mTOR-S6K1 axis under folate reprogramming

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月21日

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  • Da-Ming Xu,
  • Jie Chen,
  • Shu-Bin Lin,
  • Teng-Yu Xu,
  • Ze-Zhou Zhan,
  • Zheng-Liang Yang,
  • You-Bin Peng,
  • Hao Lin,
  • Jun Yin,
  • Ming Li,
  • Xin-Cheng Liu

摘要

Background

Metabolic reprogramming is a hallmark of cancer, yet the role of ATIC-mediated folate metabolism in bladder and other solid tumors remains understudied. Due to its critical role in cancer cell growth, folate metabolism could be a promising target for novel, broadly applicable cancer therapies.

Methods

This study integrated multiple bladder cancer datasets from TCGA, GEO, and clinical data from 80 patients at our hospital to explore the relationship between ATIC and folate metabolism. We focused on expression patterns, prognosis, metabolic processes, microenvironment, drug resistance, and associated pathways. Through multi-omics analysis, 97 single-cell datasets, 18 spatial tissue slices, and machine learning approaches, we assessed ATIC as a pan-cancer driver and identified key folate metabolism-related driver genes.

Results

We found that ATIC overexpression in bladder cancer was linked to poor prognosis, GC chemotherapy resistance, elevated cancer folate levels, and malignant phenotypes. Our study first proposed that ATIC promotes bladder cancer progression by regulating the AMPK-mTOR-S6K1 axis under folate reprogramming. We also validated ATIC-folate reprogramming crosstalk across cancers through pan-cancer analysis and created a multi-cancer folate metabolism-driven gene map, highlighting the importance of ATIC and folate metabolism in future oncology research.

Conclusions

Our study identifies ATIC as a key cancer driver gene. Targeting ATIC offers a promising therapeutic strategy, especially for bladder cancer and potentially other cancers with disrupted folate metabolism. These findings highlight new treatment possibilities targeting metabolic vulnerabilities in cancer.