Single-cell transcriptomic analysis has become a new and powerful tool to study complex multicellular systems. Single-cell RNA sequencing provides an unbiased classification of heterogeneous cellular states at the transcriptional level, but it does not always correlate to cell-surface protein expression. A recently developed method called cellular indexing of transcriptomes and epitopes by sequencing (CITE-seq) simultaneously measures surface proteins and gene expression from single cells. Briefly, based on the existing single-cell sequencing technology, oligonucleotide-labeled antibodies and barcoded primer gel beads are used to bind to corresponding cell-surface proteins and mRNA, respectively. Further, libraries of labeled protein and RNA information are sequenced to integrate cellular protein and transcriptome reads together efficiently. CITE-seq is transforming comprehensive genomic studies into models of causal gene-protein investigation.
CITATION STYLE
Luo, J., Erb, C. A., & Chen, K. (2020). Simultaneous Measurement of Surface Proteins and Gene Expression from Single Cells. In Methods in Molecular Biology (Vol. 2111, pp. 35–46). Humana Press Inc. https://doi.org/10.1007/978-1-0716-0266-9_3
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