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Kelly, Ryan T.
Molecular & cellular proteomics, 11/2020, Letnik: 19, Številka: 11Journal Article
Single-cell proteomics capabilities have the potential to transform biomedical research and enable understanding of biological systems with a new level of granularity. Recent advances in sample processing, separations and MS instrumentation now make it possible to quantify >1000 proteins from individual mammalian cells. Display omitted Highlights •Label-free and isobaric labeling approaches for in-depth profiling of single cells.•Miniaturization and simplification of sample processing reduce surface losses.•Nanoflow separations enhance ionization efficiency and reduced chemical noise.•Ultrasensitive mass spectrometry and gas-phase separation add selectivity. MS-based proteome profiling has become increasingly comprehensive and quantitative, yet a persistent shortcoming has been the relatively large samples required to achieve an in-depth measurement. Such bulk samples, typically comprising thousands of cells or more, provide a population average and obscure important cellular heterogeneity. Single-cell proteomics capabilities have the potential to transform biomedical research and enable understanding of biological systems with a new level of granularity. Recent advances in sample processing, separations and MS instrumentation now make it possible to quantify >1000 proteins from individual mammalian cells, a level of coverage that required an input of thousands of cells just a few years ago. This review discusses important factors and parameters that should be optimized across the workflow for single-cell and other low-input measurements. It also highlights recent developments that have advanced the field and opportunities for further development.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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