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. 2023 Oct 16;24(11):1947–1959. doi: 10.1038/s41590-023-01641-8

Fig. 2. Impact of age on the transcriptional and epigenetic landscape of T cell subsets.

Fig. 2

a, Mean frequency of each T cell subset within the T cell compartment in children and older adults, grouped by CMV infection status. b,c, 3WNN UMAP plots colored according to cell density in each age category (b; green, greater in children; orange, greater in older adults) or in each CMV infection status group (c; blue, greater in CMV-negative donors; yellow, greater in CMV-positive donors). d,e, Number of DEGs (d) and DAPs (e) within each T cell subset by age (green, higher in children; orange, higher in older adults) or CMV infection status (blue, higher in CMV-negative donors; yellow, higher in CMV-positive donors). f, Gene set enrichment analysis (GSEA) of each T cell subset, comparing age- or CMV infection status-related differences. A false discovery rate (FDR) of <0.05 was considered significant. Dot size corresponds to the percentage of leading edge genes enriched in the indicated pathway. Dot color corresponds to the normalized enrichment score (NES). g, Shared TF motif enrichment based on DAPs between age groups or CMV infection status within each T cell subset. No significant motifs were detected for CMV comparisons. Both the size and color of each point correspond to the Padj of enrichment determined by hypergeometric testing, with green indicating higher accessibility in pediatric donors and orange indicating higher accessibility in adult donors. NFE2, nuclear factor, erythroid 2; CBFβ, core-binding factor subunit β; BCL11A/BCL11B, B-cell lymphoma/leukemia 11A/B; RUNX1/RUNX2/RUNX3, Runt-related TF 1/2/3; IRF1/IRF2/IRF3/IRF4/IRF8/IRF9, IFN regulatory factor 1/2/3/4/8/9; PRDM1, PR domain zinc finger protein 1; ZNF683, zinc finger protein 683; BATF, basic leucine zipper TF, ATF-like; BACH1/BACH2, broad complex-tramtrack-bric a brac and cap‘n’collar homology 1/2; STAT2, signal transducer and activator of transcription 2; JDP2, JUN dimerization protein 2; SMARCC, SWI/SNF-related, matrix-associated, actin-dependent regulator of chromatin subfamily C.

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