ReviewInternational journal of molecular sciences2026
Lactylation in Colorectal Cancer: Regulatory Networks, Functional Mechanisms, and Clinical Translational Potential.
Review in International journal of molecular sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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4 authors.
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Abstract
Protein lactylation, an emerging post-translational modification (PTM) driven by the metabolite lactate, has surfaced as an important regulatory layer contributing to the crosstalk between metabolic reprogramming and cellular functional plasticity in colorectal cancer (CRC). Within the unique "host-microbiota" symbiotic microenvironment of CRC, the Warburg effect-fueled jointly by oncogene activation and microbial metabolism-provides abundant substrates for lactylation. This modification is dynamically regulated by a complex enzymatic system comprising "Writers" (e.g., p300/CREB-binding protein [p300/CBP], alanyl-tRNA synthetase 1/2 [AARS1/2]) and "Erasers" (e.g., histone deacetylases [HDACs] and Sirtuins). Through intricate crosstalk with other PTMs, such as acetylation and ubiquitination, lactylation exerts critical regulatory effects on both the histone epigenetic landscape and non-histone protein functions. Functionally, lactylation not only drives malignant proliferation, invasion, and metastasis but also systematically remodels the immunosuppressive "cold" tumor microenvironment. Furthermore, it confers broad-spectrum resistance to chemotherapy, radiotherapy, targeted therapy, and immunotherapy by orchestrating a ferroptosis defense network, enhancing DNA damage repair (DDR), and activating protective autophagy. This review systematically synthesizes the regulatory networks and biological functions of lactylation in CRC, deeply elucidating the core mechanisms underlying therapy resistance. Finally, we discuss the clinical translational potential of lactylation as a novel diagnostic/prognostic biomarker and therapeutic target, aiming to provide new theoretical foundations and strategic directions for overcoming current bottlenecks in CRC clinical treatment.
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