Lactylation: From Homeostasis to Pathological Implications and Therapeutic Strategies

ABSTRACT Lactylation, a recently identified post‐translational modification, represents a groundbreaking addition to the epigenetic landscape, revealing its pivotal role in gene regulation and metabolic adaptation. Unlike traditional modifications, lactylation directly links metabolic intermediates,...

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Bibliographic Details
Main Authors: Xi Chen, Yixiao Yuan, Fan Zhou, Lihua Li, Jun Pu, Yong Zeng, Xiulin Jiang
Format: Article
Language:English
Published: Wiley 2025-06-01
Series:MedComm
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Online Access:https://doi.org/10.1002/mco2.70226
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Summary:ABSTRACT Lactylation, a recently identified post‐translational modification, represents a groundbreaking addition to the epigenetic landscape, revealing its pivotal role in gene regulation and metabolic adaptation. Unlike traditional modifications, lactylation directly links metabolic intermediates, such as lactate, to protein function and cellular behavior. Emerging evidence highlights the critical involvement of lactylation in diverse biological processes, including immune response modulation, cellular differentiation, and tumor progression. However, its regulatory mechanisms, biological implications, and disease associations remain poorly understood. This review systematically explores the enzymatic and nonenzymatic mechanisms underlying protein lactylation, shedding light on the interplay between cellular metabolism and epigenetic control. We comprehensively analyze its biological functions in normal physiology, such as immune homeostasis and tissue repair, and its dysregulation in pathological contexts, including cancer, inflammation, and metabolic disorders. Moreover, we discuss advanced detection technologies and potential therapeutic interventions targeting lactylation pathways. By integrating these insights, this review aims to bridge critical knowledge gaps and propose future directions for research. Highlighting lactylation's multifaceted roles in health and disease, this review provides a timely resource for understanding its clinical implications, particularly as a novel target for precision medicine in metabolic and oncological therapies.
ISSN:2688-2663