ArticleSignal transduction and targeted therapy2026
The dysadherin/carbonic anhydrase 9 axis shapes an acidic tumor microenvironment to promote colorectal cancer progression.
Article in Signal transduction and targeted therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Recent progress in small molecules targeting the acidic tumor microenvironment.Journal of enzyme inhibition and medicinal chemistry · 2026Review
- Acidosis-associated gene signature defines novel subtypes and dual-target therapeutic candidates in breast cancer.Journal of translational medicine · 2026Article
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Authors and funding
9 authors.
Funding
Abstract
The tumor microenvironment (TME) plays a central role in cancer progression and metastasis. A key feature of the TME is extracellular acidity, which promotes disease progression, immune evasion, and drug resistance. Tumor acidity is increasingly recognized as a critical factor in cancer development and a negative prognostic indicator. Here, we demonstrate that the membrane glycoprotein dysadherin promotes colorectal cancer (CRC) malignancy by modulating TME acidity. Comprehensive bioinformatics and pathological analyses of CRC patient samples revealed that increased tumor acidity is a hallmark of CRC progression and strongly correlates with high expression of dysadherin. Functional studies confirmed that dysadherin enhances malignant traits, particularly under acidic conditions. Mechanistically, dysadherin activates the integrin/FAK/STAT3 signaling pathway, leading to the upregulation of carbonic anhydrase 9 (CA9). CA9 facilitates proton export, contributing to extracellular acidification while maintaining intracellular pH homeostasis, thereby enabling cancer cells to survive and thrive in acidic environments. In a murine liver metastasis model, dysadherin deletion impaired cellular adaptation to the acidic TME and markedly attenuated metastatic colonization, whereas restoring CA9 expression effectively rescued metastatic potential. Overall, our findings identify the dysadherin/CA9 axis as a potential therapeutic target in CRC and provide new insights into how tumors exploit acidosis to drive malignant development and progression.
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