Abstract:
:Dynamic changes in the expression of transcription factors (TFs) can influence the specification of distinct CD8+ T cell fates, but the observation of equivalent expression of TFs among differentially fated precursor cells suggests additional underlying mechanisms. Here we profiled the genome-wide histone modifications, open chromatin and gene expression of naive, terminal-effector, memory-precursor and memory CD8+ T cell populations induced during the in vivo response to bacterial infection. Integration of these data suggested that the expression and binding of TFs contributed to the establishment of subset-specific enhancers during differentiation. We developed a new bioinformatics method using the PageRank algorithm to reveal key TFs that influence the generation of effector and memory populations. The TFs YY1 and Nr3c1, both constitutively expressed during CD8+ T cell differentiation, regulated the formation of terminal-effector cell fates and memory-precursor cell fates, respectively. Our data define the epigenetic landscape of differentiation intermediates and facilitate the identification of TFs with previously unappreciated roles in CD8+ T cell differentiation.
journal_name
Nat Immunoljournal_title
Nature immunologyauthors
Yu B,Zhang K,Milner JJ,Toma C,Chen R,Scott-Browne JP,Pereira RM,Crotty S,Chang JT,Pipkin ME,Wang W,Goldrath AWdoi
10.1038/ni.3706subject
Has Abstractpub_date
2017-05-01 00:00:00pages
573-582issue
5eissn
1529-2908issn
1529-2916pii
ni.3706journal_volume
18pub_type
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