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 ID 79 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 20458337    Organism Homo sapiens Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 1 Authors Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W. Journal name ICB Publication year 2010 Sample B cells Sample name RN (HLA-DR15) Isolation/purification methods Differential centrifugation Sucrose density gradient Immunobeads (MHC Class II) Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry [FT-ICR] Western blotting EV-TRACK EV100035: EV-METRIC:44%
2 Experiment ID 80 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 20458337    Organism Homo sapiens Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis -Sample 2 Authors Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W. Journal name ICB Publication year 2010 Sample B cells Sample name RN (HLA-DR15) Isolation/purification methods Differential centrifugation Sucrose density gradient Immunobeads (MHC Class II) Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry [FT-ICR] Western blotting EV-TRACK EV100035: EV-METRIC:44%
3 Experiment ID 81 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 20458337    Organism Homo sapiens Experiment description MHC class II-associated proteins in B-cell exosomes and potential functional implications for exosome biogenesis - Sample 3 Authors Buschow SI, van Balkom BW, Aalberts M, Heck AJ, Wauben M, Stoorvogel W. Journal name ICB Publication year 2010 Sample B cells Sample name RN (HLA-DR15) Isolation/purification methods Differential centrifugation Sucrose density gradient Immunobeads (MHC Class II) Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry [FT-ICR] Western blotting EV-TRACK EV100035: EV-METRIC:44%
4 Experiment ID 534 Identified molecule protein Extracellular vesicle type Exosomes/Microvesicles/Oncosomes/Microparticles Identification method Mass spectrometry PubMed ID 23818640    Organism Homo sapiens Experiment description Modulation of B-cell exosome proteins by gamma herpesvirus infection. Authors Meckes 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 year 2013 Sample B cells Sample name EBV- and KSHV-infected B cells (JSC-1, BC1) Isolation/purification methods - Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV130064: EV-METRIC:25%
5 Experiment ID 535 Identified molecule protein Extracellular vesicle type Exosomes/Microvesicles/Oncosomes/Microparticles Identification method Mass spectrometry PubMed ID 23818640    Organism Homo sapiens Experiment description Modulation of B-cell exosome proteins by gamma herpesvirus infection. Authors Meckes 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 year 2013 Sample B cells Sample name EBV-infected B cells (#1, HLJ, IM9, CP) Isolation/purification methods - Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV130064: EV-METRIC:25%
6 Experiment ID 536 Identified molecule protein Extracellular vesicle type Exosomes/Microvesicles/Oncosomes/Microparticles Identification method Mass spectrometry PubMed ID 23818640    Organism Homo sapiens Experiment description Modulation of B-cell exosome proteins by gamma herpesvirus infection. Authors Meckes 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 year 2013 Sample B cells Sample name KSHV-infected B cell (JC, BC3, BCP1, BCBL1) Isolation/purification methods - Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV130064: EV-METRIC:25%
7 Experiment ID 537 Identified molecule protein Extracellular vesicle type Exosomes/Microvesicles/Oncosomes/Microparticles Identification method Mass spectrometry PubMed ID 23818640    Organism Homo sapiens Experiment description Modulation of B-cell exosome proteins by gamma herpesvirus infection. Authors Meckes 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 year 2013 Sample B cells Sample name Normal B cells (BJAB) Isolation/purification methods - Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV130064: EV-METRIC:25%
8 Experiment ID 902 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 26100252    Organism Homo sapiens Experiment description Exosomes released by chronic lymphocytic leukemia cells induce the transition of stromal cells into cancer-associated fibroblasts Authors Paggetti 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 year 2015 Sample Chronic lymphocytic leukemia cells Sample name MEC-1 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Density gradient centrifugation Flotation density 1.15-1.17 g/mL Molecules identified in the study Protein Methods used in the study Mass spectrometry FACS Western blotting EV-TRACK EV150015: EV-METRIC:22%, 44%
9 Experiment ID 889 Identified molecule protein Extracellular vesicle type Extracellular vesicles Identification method Mass spectrometry PubMed ID 24946052    Organism Homo sapiens Experiment description Extracellular vesicles shed from gefitinib-resistant nonsmall cell lung cancer regulate the tumor microenvironment Authors Choi DY, You S, Jung JH, Lee JC, Rho JK, Lee KY, Freeman MR, Kim KP, Kim J. Journal name Proteomics Publication year 2014 Sample Lung cancer cells Sample name PC9 - Rep 1 Isolation/purification methods Differential centrifugation Ultracentrifugation Density gradient centrifugation Flotation density Not provided Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV140109: EV-METRIC:25%
10 Experiment ID 891 Identified molecule protein Extracellular vesicle type Extracellular vesicles Identification method Mass spectrometry PubMed ID 24946052    Organism Homo sapiens Experiment description Extracellular vesicles shed from gefitinib-resistant nonsmall cell lung cancer regulate the tumor microenvironment Authors Choi DY, You S, Jung JH, Lee JC, Rho JK, Lee KY, Freeman MR, Kim KP, Kim J. Journal name Proteomics Publication year 2014 Sample Lung cancer cells Sample name PC9 - Rep 3 Isolation/purification methods Differential centrifugation Ultracentrifugation Density gradient centrifugation Flotation density Not provided Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV140109: EV-METRIC:25%
11 Experiment ID 994 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 24434149    Organism Homo sapiens Experiment description In-depth proteomic analyses of ovarian cancer cell line exosomes reveals differential enrichment of functional categories compared to the NCI 60 proteome. Authors Sinha A, Ignatchenko V, Ignatchenko A, Mejia-Guerrero S, Kislinger T. Journal name Biochem Biophys Res Commun. Publication year 2014 Sample Ovarian cancer cells Sample name OVCAR5 Isolation/purification methods Differential centrifugation Ultracentrifugation Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry Western blotting EV-TRACK EV140099: EV-METRIC:44%
12 Experiment ID 971 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 22808001    Organism Homo sapiens Experiment description Biochemical and physical characterisation of urinary nanovesicles following CHAPS treatment. Authors Musante L, Saraswat M, Duriez E, Byrne B, Ravidà, Domon B, Holthofer H. Journal name PLoS One Publication year 2012 Sample Serum Sample name Serum -Tuberculosis patient 1 Isolation/purification methods Filtration ExoQuick Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV120006: EV-METRIC:56%
13 Experiment ID 1008 Identified molecule protein Extracellular vesicle type Exosomes Identification method Mass spectrometry PubMed ID 23463506    Organism Homo sapiens Experiment description The intracellular interactome of tetraspanin-enriched microdomains reveals their function as sorting machineries toward exosomes. Authors Perez-Hernandez D, Gutiéez-Váuez C, Jorge I, Ló-MartíS, Ursa A, Sáhez-Madrid F, Váuez J, Yáz-Mó Journal name J Biol Chem. Publication year 2013 Sample T cells Sample name T lymphoblasts Isolation/purification methods Differential centrifugation Ultracentrifugation Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry EV-TRACK EV130110: EV-METRIC:22%