Experiment description of studies that identified SNORD20 in exosomes

1 Experiment ID 226 ISEV standards ✔ EM EV Biophysical techniques ✔ GAPDH EV Cytosolic markers ✔ CD9|FLOT1 EV Membrane markers ✔ LMNA|H2AFX|ATP5A1|TOMM20 EV Negative markers ✘ EV Particle analysis Identified molecule snoRNA Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa) PubMed ID 26027894     Organism Homo sapiens Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar Journal name Journal of Extracellular Vesicles Publication year 2015 Sample Endothelial cells Sample name HMEC-1 Isolation/purification methods Differential ultracentrifugation Sucrose density gradient Flotation density 1.10 g/mL Molecules identified in the study miRNA Protein snoRNA lncRNA yRNA snRNA mRNA ncRNA mtRNA vtRNA scaRNA lincRNA Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa) Western blotting

2 Experiment ID 226 ISEV standards ✔ EM EV Biophysical techniques ✔ GAPDH EV Cytosolic markers ✔ CD9|FLOT1 EV Membrane markers ✔ LMNA|H2AFX|ATP5A1|TOMM20 EV Negative markers ✘ EV Particle analysis Identified molecule snoRNA Identification method Small RNA sequencing (Illumina HiSeq 2000 (Solexa) PubMed ID 26027894     Organism Homo sapiens Experiment description Quantitative and qualitative analysis of small RNAs in human endothelial cells and exosomes provides insights into localized RNA processing, degradation and sorting Authors Bas W. M. van Balkom, Almut S. Eisele, D. Michiel Pegtel, Sander Bervoets, Marianne C. Verhaar Journal name Journal of Extracellular Vesicles Publication year 2015 Sample Endothelial cells Sample name HMEC-1 Isolation/purification methods Differential ultracentrifugation Sucrose density gradient Flotation density 1.10 g/mL Molecules identified in the study miRNA Protein snoRNA lncRNA yRNA snRNA mRNA ncRNA mtRNA vtRNA scaRNA lincRNA Methods used in the study Small RNA sequencing (Illumina HiSeq 2000 (Solexa) Western blotting

3 Experiment ID 222 ISEV standards ✘ EV Biophysical techniques ✘ EV Cytosolic markers ✘ EV Membrane markers ✘ EV Negative markers ✔ NTA EV Particle analysis Identified molecule snoRNA Identification method RT-PCR PubMed ID 23663360     Organism Homo sapiens Experiment description Characterization of human plasma-derived exosomal RNAs by deep sequencing Authors Huang X, Yuan T, Tschannen M, Sun Z, Jacob H, Du M, Liang M, Dittmar RL, Liu Y, Liang M, Kohli M, Thibodeau SN, Boardman L, Wang L Journal name BMC Genomics Publication year 2013 Sample Plasma Sample name Plasma - Normal Isolation/purification methods Exoquick Flotation density - Molecules identified in the study miRNA tRNA snRNA snoRNA rRNA piRNA lncRNA Methods used in the study RT-PCR

Protein-protein interactions for SNORD20

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

Pathways in which SNORD20 is involved

No pathways found