Proteomics

Dataset Information

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Proteomic profiling of KIT-containing EVs secreted by neoplastic human mast cells (SUB1)

ABSTRACT: Activating mutations in the receptor KIT promote the dysregulated proliferation of human mast cells (huMCs). The resulting neoplastic huMCs secrete extracellular vesicles (EVs) that can transfer oncogenic KIT among other cargo into recipient cells. Despite potential contributions to diseases, KIT-containing EVs have not been thoroughly investigated. Here, we isolated KIT-EV subpopulations released by neoplastic huMCs using an immunocapture approach that selectively isolates EVs containing KIT in its proper topology. Proteomic profiling was performed on KIT-containing EVs compared to KIT-depleted EV populations, and on KIT-EVs that are microvesicle- and exosome-like.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Blood Cell, Blood

DISEASE(S): Disease Free

SUBMITTER: David Anderson  

LAB HEAD: Dean Darrel Metcalfe

PROVIDER: PXD033889 | Pride | 2023-03-10

REPOSITORIES: Pride

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Dataset's files

Source:
Action DRS
Arg6Lys6_0.allSpectra.CID.ITMS.iso_0.apl Other
Arg6Lys6_0.allSpectra.CID.ITMS.iso_1.apl Other
Arg6Lys6_0.allSpectra.CID.ITMS.iso_10.apl Other
Arg6Lys6_0.allSpectra.CID.ITMS.iso_11.apl Other
Arg6Lys6_0.allSpectra.CID.ITMS.iso_12.apl Other
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Publications

Selective immunocapture reveals neoplastic human mast cells secrete distinct microvesicle- and exosome-like populations of KIT-containing extracellular vesicles.

Pfeiffer Annika A   Petersen Jennifer D JD   Falduto Guido H GH   Anderson David Eric DE   Zimmerberg Joshua J   Metcalfe Dean D DD   Olivera Ana A  

Journal of extracellular vesicles 20220901 10

Activating mutations in the receptor KIT promote the dysregulated proliferation of human mast cells (huMCs). The resulting neoplastic huMCs secrete extracellular vesicles (EVs) that can transfer oncogenic KIT among other cargo into recipient cells. Despite potential contributions to diseases, KIT-containing EVs have not been thoroughly investigated. Here, we isolated and characterized KIT-EV subpopulations released by neoplastic huMCs using an immunocapture approach that selectively isolates EVs  ...[more]

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