Experiment description of studies that identified CCM2 in exosomes

1 Experiment ID 260 ISEV standards ✔ EM EV Biophysical techniques ✔ TSG101 EV Cytosolic markers ✔ FLOT1|CD81 EV Membrane markers ✘ EV Negative markers ✔ NTA EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25950383     Organism Homo sapiens Experiment description Proteome characterization of melanoma exosomes reveals a specific signature for metastatic cell lines Authors Lazar I, Clement E, Ducoux-Petit M, Denat L, Soldan V, Dauvillier S, Balor S4, Burlet-Schiltz O1, Larue L, Muller C Nieto L Journal name Pigment Cell Melanoma Res Publication year 2015 Sample Melanoma cells Sample name 1205Lu Isolation/purification methods Differential centrifugation Unltracentrifugation Sucrose density gradient Flotation density 1.13 - 1.19 g/mL Molecules identified in the study Protein Methods used in the study Western blotting Mass spectrometry

2 Experiment ID 231 ISEV standards ✘ EV Biophysical techniques ✔ Alix EV Cytosolic markers ✔ CD63|CD9 EV Membrane markers ✘ EV Negative markers ✔ NTA EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25332113     Organism Homo sapiens Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G. Journal name Transfusion Publication year 2015 Sample Platelets Sample name PL-Exs - Rep 1 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Optiprep density gradient Flotation density 1.12-1.15 g/mL Molecules identified in the study Protein Lipids Methods used in the study Western blotting Mass spectrometry

3 Experiment ID 232 ISEV standards ✘ EV Biophysical techniques ✘ EV Cytosolic markers ✘ EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25332113     Organism Homo sapiens Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G. Journal name Transfusion Publication year 2015 Sample Platelets Sample name PL-Exs - Rep 2 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Optiprep density gradient Flotation density 1.12-1.15 g/mL Molecules identified in the study Protein Methods used in the study Mass spectrometry

4 Experiment ID 233 ISEV standards ✘ EV Biophysical techniques ✘ EV Cytosolic markers ✘ EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25332113     Organism Homo sapiens Experiment description Lipidomic and proteomic characterization of platelet extracellular vesicle subfractions from senescent platelets Authors Pienimaeki-Roemer A, Kuhlmann K, Bottcher A, Konovalova T, Black A, Orso E, Liebisch G, Ahrens M, Eisenacher M, Meyer HE, Schmitz G. Journal name Transfusion Publication year 2015 Sample Platelets Sample name PL-Exs - Rep 3 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Optiprep density gradient Flotation density 1.12-1.15 g/mL Molecules identified in the study Protein Methods used in the study Mass spectrometry

Protein-protein interactions for CCM2

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

Pathways in which CCM2 is involved

No pathways found