期刊
NATURE COMMUNICATIONS
卷 10, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41467-019-08679-z
关键词
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资金
- Instituto de Salud Carlos III (ISCIII) [PI14/01867, PI16/02024, PI17/00701]
- CIBERONC
- FEDER
- RTICC [RD12/0036/0068]
- Fundacio La Marato de TV3 [20132130-31-32]
- Departamento de Salud del Gobierno de Navarra [40/2016]
- Marie Curie [LincMHeM-330598]
- National Cancer Institute of National Institutes of Health [1F31CA220981-01]
- Chemotherapy Foundation
- NIH-NCI [R35 CA220499]
lncRNAs make up a majority of the human transcriptome and have key regulatory functions. Here we perform unbiased de novo annotation of transcripts expressed during the human humoral immune response to find 30% of the human genome transcribed during this process, yet 58% of these transcripts manifest striking differential expression, indicating an lncRNA phylogenetic relationship among cell types that is more robust than that of coding genes. We provide an atlas of lncRNAs in naive and GC B-cells that indicates their partition into ten functionally categories based on chromatin features, DNase hypersensitivity and transcription factor localization, defining lncRNAs classes such as enhancer-RNAs (eRNA), bivalent-lncRNAs, and CTCF-associated, among others. Specifically, eRNAs are transcribed in 8.6% of regular enhancers and 36.5% of super enhancers, and are associated with coding genes that participate in critical immune regulatory pathways, while plasma cells have uniquely high levels of circular-RNAs accounted for by and reflecting the combinatorial clonal state of the Immunoglobulin loci.
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