Transcript-indexed ATAC-seq for precision immune profiling.

Transcript-indexed ATAC-seq for precision immune profiling.
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DOI:
10.1038/s41591-018-0008-8
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发表时间:
2018-05
期刊:
影响因子:
82.9
通讯作者:
Chang HY
Chang HY
中科院分区:
医学1区
文献类型:
--
作者:
Satpathy AT;Saligrama N;Buenrostro JD;Wei Y;Wu B;Rubin AJ;Granja JM;Lareau CA;Li R;Qi Y;Parker KR;Mumbach MR;Serratelli WS;Gennert DG;Schep AN;Corces MR;Khodadoust MS;Kim YH;Khavari PA;Greenleaf WJ;Davis MM;Chang HY

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T cells create vast amounts of diversity in their T cell receptor (TCR) genes, enabling individual clones to recognize specific peptide-MHC ligands. Here we combine TCR sequencing and assay for transposase-accessible chromatin analysis at the single-cell level to provide information on the TCR specificity and epigenomic state of individual T cells. Using this approach, termed Transcript-indexed ATAC-seq (T-ATAC-seq), we identify epigenomic signatures in immortalized leukemic T cells, primary human T cells from healthy volunteers, and primary leukemic T cells from patient samples. In healthy peripheral blood CD4+ T cells, we identify cis and trans regulators of naive and memory T cell states and find substantial heterogeneity in surface marker-defined T cell populations. In patients with cutaneous T cell lymphoma, T-ATAC-seq enabled identification of leukemic and non-leukemic regulatory pathways in T cells from the same individual, separating signals arising from the malignant clone from background T cell noise. Thus, T-ATAC-seq is a new tool that enables analysis of epigenomic landscapes in clonal T cells and should be valuable for studies of T cell malignancy, immunity, and immunotherapy.
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