PXD024043-1

PXD024043 is an original dataset announced via ProteomeXchange.

Title	Ultra-high sensitivity mass spectrometry quantifies single-cell proteome changes upon perturbation
Description	Single-cell technologies are revolutionizing biology but are today mainly limited to imaging and deep sequencing. However, proteins are the main drivers of cellular function and in-depth characterization of individual cells by mass spectrometry (MS)-based proteomics would thus be highly valuable and complementary. Here, we develop a robust workflow combining miniaturized sample preparation, very low flow-rate chromatography and a novel trapped ion mobility mass spectrometer, resulting in a more than ten-fold improved sensitivity. We precisely and robustly quantify proteomes and their changes in single, FACS-isolated cells. Arresting cells at defined stages of the cell cycle by drug treatment retrieves expected key regulators. Furthermore, it highlights potential novel ones and allows cell phase prediction. Comparing the variability in more than 430 single-cell proteomes to transcriptome data revealed a stable core proteome despite perturbation, while the transcriptome appears stochastic. Our technology can readily be applied to ultra-high sensitivity analyses of tissue material, posttranslational modifications and small molecule studies from small cell counts to gain unprecedented insights into cellular heterogeneity in health and disease.
HostingRepository	PRIDE
AnnounceDate	2022-02-23
AnnouncementXML	Submission_2022-02-23_06:58:01.689.xml
DigitalObjectIdentifier
ReviewLevel	Peer-reviewed dataset
DatasetOrigin	Original dataset
RepositorySupport	Unsupported dataset by repository
PrimarySubmitter	Mario Oroshi
SpeciesList	scientific name: Homo sapiens (Human); NCBI TaxID: 9606;
ModificationList	No PTMs are included in the dataset
Instrument	timsTOF

Revision	Datetime	Status	ChangeLog Entry
0	2021-02-08 03:33:59	ID requested
⏵ 1	2022-02-23 06:58:02	announced

Dataset with its publication pending

submitter keyword: Proteomics at single-cell resolution

Low flow LC-MS

Drug perturbation

Systems biology

Single-cell heterogeneity

Matthias Mann
contact affiliation	Department of Proteomics and Signal Transduction Max Planck Institute of Biochemistry
contact email	mmann@biochem.mpg.de
lab head
Mario Oroshi
contact affiliation	Proteomics
contact email	oroshi@biochem.mpg.de
dataset submitter

Dataset FTP location NOTE: Most web browsers have now discontinued native support for FTP access within the browser window. But you can usually install another FTP app (we recommend FileZilla) and configure your browser to launch the external application when you click on this FTP link. Or otherwise, launch an app that supports FTP (like FileZilla) and use this address: ftp://ftp.pride.ebi.ac.uk/pride/data/archive/2022/02/PXD024043

PRIDE project URI

• PRIDE
  1. PXD024043
     1. Label: PRIDE project
     2. Name: Ultra-high sensitivity mass spectrometry quantifies single-cell proteome changes upon perturbation