Proteomics

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Top-down Proteomics of 10,000 Single Brain Cells


ABSTRACT: We introduce single-cell Proteoform imaging Mass Spectrometry (scPiMS), which realizes the benefit of direct extraction of intact proteins to process 10,836 single cells from the rat hippocampus. This new platform addresses the throughput bottleneck for single cell proteomics using mass spectrometry, boosting cell processing rates by >20-fold in the field. We identified 169 proteoforms <70 kDa from single brain cells and classified 2755 of them as neurons, astrocytes or microglia cell types.

INSTRUMENT(S): Q Exactive Plus

ORGANISM(S): Rattus Norvegicus (ncbitaxon:10116)

SUBMITTER: Neil L Kelleher  

PROVIDER: MSV000092360 | MassIVE | Thu Jul 06 13:08:00 BST 2023

REPOSITORIES: MassIVE

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