Gene description for CD22
Gene name CD22 molecule
Gene symbol CD22
Other names/aliases SIGLEC-2
SIGLEC2
Species Homo sapiens
 Database cross references - CD22
Vesiclepedia VP_933
ExoCarta ExoCarta_933
Entrez Gene 933
HGNC 1643
MIM 107266
 CD22 identified in extracellular vesicles derived from the following tissue/cell type
B cells [Exosomes]      More >>> 20458337   
B cells [Exosomes]      More >>> 20458337   
B cells [Exosomes]      More >>> 20458337   
B cells [Exosomes/Microvesicles/Oncosomes/Microparticles]      More >>> 23818640   
B cells [Exosomes/Microvesicles/Oncosomes/Microparticles]      More >>> 23818640   
B cells [Exosomes/Microvesicles/Oncosomes/Microparticles]      More >>> 23818640   
B cells [Exosomes/Microvesicles/Oncosomes/Microparticles]      More >>> 23818640   
Chronic lymphocytic leukemia cells [Exosomes]      More >>> 26100252   
Lung cancer cells [Extracellular vesicles]      More >>> 24946052   
Lung cancer cells [Extracellular vesicles]      More >>> 24946052   
Ovarian cancer cells [Exosomes]      More >>> 24434149   
Serum [Exosomes]      More >>> 22808001   
T cells [Exosomes]      More >>> 23463506   
 Experiment description of studies that identified CD22 in extracellular vesicles
1
Experiment ID79
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 20458337   
OrganismHomo sapiens
Experiment descriptionMHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 1
AuthorsBuschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W.
Journal name ICB
Publication year2010
SampleB cells
Sample nameRN (HLA-DR15)
Isolation/purification methodsDifferential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [FT-ICR]
Western blotting
EV-TRACK EV100035: EV-METRIC:44%
2
Experiment ID80
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 20458337   
OrganismHomo sapiens
Experiment descriptionMHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis -Sample 2
AuthorsBuschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W.
Journal name ICB
Publication year2010
SampleB cells
Sample nameRN (HLA-DR15)
Isolation/purification methodsDifferential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [FT-ICR]
Western blotting
EV-TRACK EV100035: EV-METRIC:44%
3
Experiment ID81
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 20458337   
OrganismHomo sapiens
Experiment descriptionMHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 3
AuthorsBuschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W.
Journal name ICB
Publication year2010
SampleB cells
Sample nameRN (HLA-DR15)
Isolation/purification methodsDifferential centrifugation
Sucrose density gradient
Immunobeads (MHC Class II)
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [FT-ICR]
Western blotting
EV-TRACK EV100035: EV-METRIC:44%
4
Experiment ID534
Identified moleculeprotein
Extracellular vesicle typeExosomes/Microvesicles/Oncosomes/Microparticles
Identification method Mass spectrometry
PubMed ID 23818640   
OrganismHomo sapiens
Experiment descriptionModulation of B-cell exosome proteins by gamma herpesvirus infection.
AuthorsMeckes DG Jr, Gunawardena HP, Dekroon RM, Heaton PR, Edwards RH, Ozgur S, Griffith JD, Damania B, Raab-Traub N.
Journal name Proc Natl Acad Sci U S A
Publication year2013
SampleB cells
Sample nameEBV- and KSHV-infected B cells (JSC-1, BC1)
Isolation/purification methods-
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130064: EV-METRIC:25%
5
Experiment ID535
Identified moleculeprotein
Extracellular vesicle typeExosomes/Microvesicles/Oncosomes/Microparticles
Identification method Mass spectrometry
PubMed ID 23818640   
OrganismHomo sapiens
Experiment descriptionModulation of B-cell exosome proteins by gamma herpesvirus infection.
AuthorsMeckes DG Jr, Gunawardena HP, Dekroon RM, Heaton PR, Edwards RH, Ozgur S, Griffith JD, Damania B, Raab-Traub N.
Journal name Proc Natl Acad Sci U S A
Publication year2013
SampleB cells
Sample nameEBV-infected B cells (#1, HLJ, IM9, CP)
Isolation/purification methods-
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130064: EV-METRIC:25%
6
Experiment ID536
Identified moleculeprotein
Extracellular vesicle typeExosomes/Microvesicles/Oncosomes/Microparticles
Identification method Mass spectrometry
PubMed ID 23818640   
OrganismHomo sapiens
Experiment descriptionModulation of B-cell exosome proteins by gamma herpesvirus infection.
AuthorsMeckes DG Jr, Gunawardena HP, Dekroon RM, Heaton PR, Edwards RH, Ozgur S, Griffith JD, Damania B, Raab-Traub N.
Journal name Proc Natl Acad Sci U S A
Publication year2013
SampleB cells
Sample nameKSHV-infected B cell (JC, BC3, BCP1, BCBL1)
Isolation/purification methods-
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130064: EV-METRIC:25%
7
Experiment ID537
Identified moleculeprotein
Extracellular vesicle typeExosomes/Microvesicles/Oncosomes/Microparticles
Identification method Mass spectrometry
PubMed ID 23818640   
OrganismHomo sapiens
Experiment descriptionModulation of B-cell exosome proteins by gamma herpesvirus infection.
AuthorsMeckes DG Jr, Gunawardena HP, Dekroon RM, Heaton PR, Edwards RH, Ozgur S, Griffith JD, Damania B, Raab-Traub N.
Journal name Proc Natl Acad Sci U S A
Publication year2013
SampleB cells
Sample nameNormal B cells (BJAB)
Isolation/purification methods-
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130064: EV-METRIC:25%
8
Experiment ID902
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 26100252   
OrganismHomo sapiens
Experiment descriptionExosomes released by chronic lymphocytic leukemia cells induce the transition of stromal cells into cancer-associated fibroblasts
AuthorsPaggetti J, Haderk F, Seiffert M, Janji B, Distler U, Ammerlaan W, Kim YJ, Adam J, Lichter P, Solary E, Berchem G, Moussay E.
Journal name Blood
Publication year2015
SampleChronic lymphocytic leukemia cells
Sample nameMEC-1
Isolation/purification methodsDifferential centrifugation
Filtration
Ultracentrifugation
Density gradient centrifugation
Flotation density1.15-1.17 g/mL
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
FACS
Western blotting
EV-TRACK EV150015: EV-METRIC:22%, 44%
9
Experiment ID889
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
Identification method Mass spectrometry
PubMed ID 24946052   
OrganismHomo sapiens
Experiment descriptionExtracellular vesicles shed from gefitinib-resistant nonsmall cell lung cancer regulate the tumor microenvironment
AuthorsChoi DY, You S, Jung JH, Lee JC, Rho JK, Lee KY, Freeman MR, Kim KP, Kim J.
Journal name Proteomics
Publication year2014
SampleLung cancer cells
Sample namePC9 - Rep 1
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Density gradient centrifugation
Flotation densityNot provided
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV140109: EV-METRIC:25%
10
Experiment ID891
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
Identification method Mass spectrometry
PubMed ID 24946052   
OrganismHomo sapiens
Experiment descriptionExtracellular vesicles shed from gefitinib-resistant nonsmall cell lung cancer regulate the tumor microenvironment
AuthorsChoi DY, You S, Jung JH, Lee JC, Rho JK, Lee KY, Freeman MR, Kim KP, Kim J.
Journal name Proteomics
Publication year2014
SampleLung cancer cells
Sample namePC9 - Rep 3
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Density gradient centrifugation
Flotation densityNot provided
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV140109: EV-METRIC:25%
11
Experiment ID994
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 24434149   
OrganismHomo sapiens
Experiment descriptionIn-depth proteomic analyses of ovarian cancer cell line exosomes reveals differential enrichment of functional categories compared to the NCI 60 proteome.
AuthorsSinha A, Ignatchenko V, Ignatchenko A, Mejia-Guerrero S, Kislinger T.
Journal name Biochem Biophys Res Commun.
Publication year2014
SampleOvarian cancer cells
Sample nameOVCAR5
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
Western blotting
EV-TRACK EV140099: EV-METRIC:44%
12
Experiment ID971
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 22808001   
OrganismHomo sapiens
Experiment descriptionBiochemical and physical characterisation of urinary nanovesicles following CHAPS treatment.
AuthorsMusante L, Saraswat M, Duriez E, Byrne B, Ravidà, Domon B, Holthofer H.
Journal name PLoS One
Publication year2012
SampleSerum
Sample nameSerum -Tuberculosis patient 1
Isolation/purification methodsFiltration
ExoQuick
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV120006: EV-METRIC:56%
13
Experiment ID1008
Identified moleculeprotein
Extracellular vesicle typeExosomes
Identification method Mass spectrometry
PubMed ID 23463506   
OrganismHomo sapiens
Experiment descriptionThe intracellular interactome of tetraspanin-enriched microdomains reveals their function as sorting machineries toward exosomes.
AuthorsPerez-Hernandez D, Gutiéez-Váuez C, Jorge I, Ló-MartíS, Ursa A, Sáhez-Madrid F, Váuez J, Yáz-Mó
Journal name J Biol Chem.
Publication year2013
SampleT cells
Sample nameT lymphoblasts
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130110: EV-METRIC:22%