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- Title
C1 CAGE detects transcription start sites and enhancer activity at single-cell resolution.
- Authors
Kouno, Tsukasa; Moody, Jonathan; Kwon, Andrew Tae-Jun; Shibayama, Youtaro; Kato, Sachi; Huang, Yi; Böttcher, Michael; Motakis, Efthymios; Mendez, Mickaël; Severin, Jessica; Luginbühl, Joachim; Abugessaisa, Imad; Hasegawa, Akira; Takizawa, Satoshi; Arakawa, Takahiro; Furuno, Masaaki; Ramalingam, Naveen; West, Jay; Suzuki, Harukazu; Kasukawa, Takeya
- Abstract
Single-cell transcriptomic profiling is a powerful tool to explore cellular heterogeneity. However, most of these methods focus on the 3′-end of polyadenylated transcripts and provide only a partial view of the transcriptome. We introduce C1 CAGE, a method for the detection of transcript 5′-ends with an original sample multiplexing strategy in the C1TM microfluidic system. We first quantifiy the performance of C1 CAGE and find it as accurate and sensitive as other methods in the C1 system. We then use it to profile promoter and enhancer activities in the cellular response to TGF-β of lung cancer cells and discover subpopulations of cells differing in their response. We also describe enhancer RNA dynamics revealing transcriptional bursts in subsets of cells with transcripts arising from either strand in a mutually exclusive manner, validated using single molecule fluorescence in situ hybridization. Single-cell transcriptomic profiling allows the exploration of cellular heterogeneity but commonly focuses on the 3′-end of the transcript. Here the authors introduce C1 CAGE, which detects the 5′ transcript end in a multiplexed microfluidic system.
- Publication
Nature Communications, 2019, Vol 10, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-018-08126-5