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Histone lactylation drives CD8+ T cell metabolism and function
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Journal Article
Histone lactylation drives CD8+ T cell metabolism and function
2024
Overview
The activation and functional differentiation of CD8
+
T cells are linked to metabolic pathways that result in the production of lactate. Lactylation is a lactate-derived histone post-translational modification; however, the relevance of histone lactylation in the context of CD8
+
T cell activation and function is not known. Here, we show the enrichment of H3K18 lactylation (H3K18la) and H3K9 lactylation (H3K9la) in human and mouse CD8
+
T cells, which act as transcription initiators of key genes regulating CD8
+
T cell function. Further, we note distinct patterns of H3K18la and H3K9la in CD8
+
T cell subsets linked to their specific metabolic profiles. Additionally, we find that modulation of H3K18la and H3K9la by targeting metabolic and epigenetic pathways influence CD8
+
T cell effector function, including antitumor immunity, in preclinical models. Overall, our study uncovers the potential roles of H3K18la and H3K9la in CD8
+
T cells.
Goswami and colleagues describe how lactylation of histone lysine residues regulates the transcriptome, metabolism and function of CD8
+
T cells.
Publisher
Nature Publishing Group US,Nature Publishing Group
