Dataset Information

Compartment resolved reference map from highly purified naive, activated, effector and memory CD8+ cells

ABSTRACT: Differentiation of CD8+ T lymphocytes into effector and memory cells is key for an adequate immune response and relies on complex interplay of pathways that convey signals from cell surface to nucleus. In this study, we fractionated four CD8+ T cell subtypes; naïve, recently activated effector, effector and memory cells into membrane, cytosol, soluble nucleus, chromatin-bound and cytoskeleton compartments. Using LC-MS/MS analysis, identified peptides were matched to human peptides/proteins (SwissProt). Compartment fractionation and gel-LC-MS separation identified 2399 proteins in total. Among these 735 were detected in all five, 241 in four, 257 in three, 368 in two and 798 found in only one fraction. Comparison between the two most different subsets, naïve and effector, yielded 146 significantly regulated proteins.

INSTRUMENT(S): LTQ Orbitrap Velos

ORGANISM(S): Mus Musculus (mouse)

TISSUE(S): T Cell, Blood

SUBMITTER: Janina Tomm

LAB HEAD: Martin von Bergen

PROVIDER: PXD001065 | Pride | 2015-02-04

REPOSITORIES: Pride

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Compartment resolved reference proteome map from highly purified naïve, activated, effector, and memory CD8⁺ murine immune cells.

Zanker Damien D Otto Wolfgang W Chen Weisan W von Bergen Martin M Tomm Janina M JM

Proteomics 20150303 11

Differentiation of CD8(+) T lymphocytes into effector and memory cells is key for an adequate immune response and relies on complex interplay of pathways that convey signals from the cell surface to the nucleus. In this study, we investigated the proteome of four cytotoxic T-cell subtypes; naïve, recently activated effector, effector, and memory cells. Cells were fractionated into membrane, cytosol, soluble nuclear, chromatin-bound, and cytoskeletal compartments. Following LC-MS/MS analysis, ide ...[more]

PMID: 25643623

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