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Genome Biol. 2018 Oct 22;19(1):161. doi: 10.1186/s13059-018-1547-5.

SCoPE-MS: mass spectrometry of single mammalian cells quantifies proteome heterogeneity during cell differentiation.

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MSPRL, FAS Division of Science, Harvard University, Cambridge, MA, 02138, USA.
Department of Biology, Northeastern University, Boston, MA, 02115, USA.
Department of Biology, Northeastern University, Boston, MA, 02115, USA.
Department of Bioengineering, Northeastern University, Boston, MA, 02115, USA.


Some exciting biological questions require quantifying thousands of proteins in single cells. To achieve this goal, we develop Single Cell ProtEomics by Mass Spectrometry (SCoPE-MS) and validate its ability to identify distinct human cancer cell types based on their proteomes. We use SCoPE-MS to quantify over a thousand proteins in differentiating mouse embryonic stem cells. The single-cell proteomes enable us to deconstruct cell populations and infer protein abundance relationships. Comparison between single-cell proteomes and transcriptomes indicates coordinated mRNA and protein covariation, yet many genes exhibit functionally concerted and distinct regulatory patterns at the mRNA and the protein level.

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