Phytomedicine : international journal of phytotherapy and phytopharmacology · 2025
Decoding the lactylation landscape: Implications for tumor microenvironment remodeling and marine algal saccharide-based therapeutic interventions.
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Qiu Yusong, Wen Jiahui, Jia Nan, Zhang Yuli, Xu Jingxiang, Zhao Chao
Аннотация
BACKGROUND: Lactylation is the reversible post-translational modification where lactyl groups-metabolic products of lactic acid-covalently bind to lysine residues on proteins. This process is precisely regulated by "writing" enzymes and "erasing" enzymes. Lactylation directly uses lactate, linking the Warburg effect in tumor metabolism to epigenetic regulation. This mechanism remodels the tumor microenvironment by influencing gene expression, immune response, metabolic reprogramming, and tumor resistance.
PURPOSE: This review comprehensively examines lactylation's role in tumor progression, immune regulation, and tumor microenvironment remodeling, and explores algal polysaccharides as anticancer agents potentially acting through lactylation modulation.
STUDY DESIGN: A narrative review linking lactylation, tumor immunology, and marine bioactive polysaccharides.
METHODS: A comprehensive literature search was conducted using major academic databases such as Web of Science, Google Scholar, PubMed, and official websites, with a focus on publications prior to 2025. Key search terms included "lactylation", "tumor microenvironment", "algal polysaccharides", "algal oligosaccharides", and related variants. Irrelevant studies, non-English articles, and conference abstracts were excluded.
RESULTS: The study found that lactylation significantly promotes tumor immune escape, invasion, and resistance to drugs by influencing key signaling pathways and altering immune cell function. Algal polysaccharides exhibit significant antitumor effects, with their mechanisms of action potentially targeting lactylation-related processes within the tumor microenvironment. These polysaccharides also enhance the sensitivity of immunotherapy and regulate inflammatory responses.
CONCLUSIONS: Lactylation is a key regulator linking tumor metabolism and epigenetics. Algal polysaccharides may act as antitumor agents by interfering with lactylation, offering new directions for targeted cancer therapies.
PURPOSE: This review comprehensively examines lactylation's role in tumor progression, immune regulation, and tumor microenvironment remodeling, and explores algal polysaccharides as anticancer agents potentially acting through lactylation modulation.
STUDY DESIGN: A narrative review linking lactylation, tumor immunology, and marine bioactive polysaccharides.
METHODS: A comprehensive literature search was conducted using major academic databases such as Web of Science, Google Scholar, PubMed, and official websites, with a focus on publications prior to 2025. Key search terms included "lactylation", "tumor microenvironment", "algal polysaccharides", "algal oligosaccharides", and related variants. Irrelevant studies, non-English articles, and conference abstracts were excluded.
RESULTS: The study found that lactylation significantly promotes tumor immune escape, invasion, and resistance to drugs by influencing key signaling pathways and altering immune cell function. Algal polysaccharides exhibit significant antitumor effects, with their mechanisms of action potentially targeting lactylation-related processes within the tumor microenvironment. These polysaccharides also enhance the sensitivity of immunotherapy and regulate inflammatory responses.
CONCLUSIONS: Lactylation is a key regulator linking tumor metabolism and epigenetics. Algal polysaccharides may act as antitumor agents by interfering with lactylation, offering new directions for targeted cancer therapies.