The lactylation axis: bridging metabolic reprogramming and immunosuppression in the tumor microenvironment
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By
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Xingxing Tao
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Yingjie Liu
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Peishan Yu
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Wenjiang Wu
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Yanli Fu
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Ping Lan
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Shengzhu Jin
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June 19, 2026
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Objective:
To elucidate the role of lactylation in tumor progression and its implications for cancer therapy.
Approach:
Key Findings:
- Lactylation is a critical epigenetic mechanism linking metabolic changes to gene regulation in cancer.
- It enhances tumor cell malignancy and promotes immune suppression within the tumor microenvironment.
- Lactate accumulation from the Warburg effect provides a substrate for lactylation, influencing both tumor and immune cell behavior.
Interpretation:
Understanding the lactylation axis establishes a novel metabolic-epigenetic-immune paradigm in cancer biology.
Limitations:
- Current evidence is largely correlative; causal strategies are needed to confirm direct effects of lactylation.
- Technical limitations exist in lactylation detection methods, including specificity and sensitivity issues.
Conclusion:
The lactylation axis represents a potential target for precision cancer therapy by integrating metabolic, epigenetic, and immune perspectives.