Experiment description of studies that identified DBI in exosomes

1 Experiment ID 80 ISEV standards ✘ EV Biophysical techniques ✘ EV Cytosolic markers ✔ CD81|MHCII EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein 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

2 Experiment ID 81 ISEV standards ✘ EV Biophysical techniques ✘ EV Cytosolic markers ✔ CD81|MHCII EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein 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

3 Experiment ID 235 ISEV standards ✔ EM EV Biophysical techniques ✔ TSG101|Alix|HSC70|GAPDH EV Cytosolic markers ✘ EV Membrane markers ✔ HSP90B1 EV Negative markers ✔ qNano EV Particle analysis Identified molecule mRNA Identification method RNA Sequencing PubMed ID 26054723     Organism Homo sapiens Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N Journal name Carcinogenesis Publication year 2015 Sample Hepatocellular carcinoma cells Sample name HKCI-8 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Sucrose density gradient Flotation density 1.13-1.19 g/mL Molecules identified in the study Protein RNA Methods used in the study Western blotting Mass spectrometry RT-PCR RNA Sequencing

4 Experiment ID 236 ISEV standards ✔ EM EV Biophysical techniques ✔ TSG101|Alix|HSC70|GAPDH EV Cytosolic markers ✘ EV Membrane markers ✔ HSP90B1 EV Negative markers ✔ qNano EV Particle analysis Identified molecule mRNA Identification method RNA Sequencing PubMed ID 26054723     Organism Homo sapiens Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N Journal name Carcinogenesis Publication year 2015 Sample Hepatocellular carcinoma cells Sample name MHCC97L Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Sucrose density gradient Flotation density 1.13-1.19 g/mL Molecules identified in the study Protein RNA Methods used in the study Western blotting Mass spectrometry RT-PCR RNA Sequencing

5 Experiment ID 196 ISEV standards ✔ EM EV Biophysical techniques ✔ Alix|TSG101|HSP70 EV Cytosolic markers ✔ CD9 EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 22418980     Organism Homo sapiens Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes. Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G. Journal name Kidney Int Publication year 2012 Sample Urine Sample name Urine - Normal high density Isolation/purification methods Differential centrifugation Sucrose cushion Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

6 Experiment ID 197 ISEV standards ✔ EM EV Biophysical techniques ✔ Alix|TSG101|HSP70 EV Cytosolic markers ✔ CD9 EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 22418980     Organism Homo sapiens Experiment description A multiplex quantitative proteomics strategy for protein biomarker studies in urinary exosomes. Authors Raj DA, Fiume I, Capasso G, Pocsfalvi G. Journal name Kidney Int Publication year 2012 Sample Urine Sample name Urine - Normal low density Isolation/purification methods Differential centrifugation Sucrose cushion Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

Protein-protein interactions for DBI

Protein Interactor ExoCarta ID Identification method PubMed Species No interactions are found.

Pathways in which DBI is involved

No pathways found