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scRNA-seq for “HDAC1 controls the generation and maintenance of effector-like CD8+ T cells during chronic viral infection”

GSE255886 Mus musculus Expression profiling by high throughput sequencing 4 samples Submitted 2025/05/22 Platform GPL24247
Summary
CD8+ T cell exhaustion is a complex process involving the differentiation of persistently activated CD8+ T cells into functionally distinct cell subsets. Here, we investigated the role of the key epigenetic regulator histone deacetylase 1 (HDAC1) in the differentiation of exhausted T (Tex) cells during chronic viral infection. We uncovered that HDAC1 controls the generation and maintenance of effector-like CX3CR1+ Tex cells in a CD8+ T cell-intrinsic manner. Deletion of HDAC1 led to expansion of an alternative Tex subset characterized by high expression of T cell exhaustion markers, and this was accompanied by elevated viremia. HDAC1 bound to and facilitated an open chromatin state of effector-like signature gene loci in progenitor Tex cells, thereby priming cell fate specification toward the CX3CR1+ Tex subset. Our study un-covers a selective role for HDAC1 in CX3CR1+ Tex subset differentiation, which is essential for controlling viral load during chronic infection.
Published in
HDAC1 controls the generation and maintenance of effector-like CD8+ T cells during chronic viral infection
Rica R, Waldherr M, Miyakoda E et al. · The Journal of experimental medicine 2025 · PMID 40464916 · doi:10.1084/jem.20240829
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Also filed as BioProject PRJNA1077077 and SRA study SRP490082. Searching any of these in the dataset finder brings you back here.

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