Experiment description of studies that identified PCSK9 in exosomes

1 Experiment ID 21 ISEV standards ✔ EM|IEM EV Biophysical techniques ✔ Alix|TSG101|HSP70 EV Cytosolic markers ✔ CD63 EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry    PubMed ID 19837982     Organism Homo sapiens Experiment description Proteomic and bioinformatic analysis of immunoaffinity-purified exosomes derived from the human colon tumor cell line LIM1215. Authors Suresh Mathivanan, Justin W.E. Lim, Bow J. Tauro, Hong Ji, Robert L. Moritz and Richard J. Simpson Journal name MCP Publication year 2009 Sample Colorectal cancer cells Sample name LIM1215 Isolation/purification methods Filtration Ultracentrifugation Sucrose density gradient Flotation density 1.10-1.12 g/mL Molecules identified in the study Protein Methods used in the study Mass spectrometry [Orbitrap] Western blotting

2 Experiment ID 282 ISEV standards ✔ CEM EV Biophysical techniques ✔ Alix|TSG101 EV Cytosolic markers ✔ CD63|CD81|EpCAM EV Membrane markers ✘ EV Negative markers ✔ DLS EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25890246     Organism Homo sapiens Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct. Authors Xu R, Greening DW, Rai A, Ji H, Simpson RJ. Journal name Methods Publication year 2015 Sample Colorectal cancer cells Sample name LIM1863 - Ultracentrifugation - Rep 1 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Centrifugal concentration Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry Western blotting

3 Experiment ID 283 ISEV standards ✔ CEM EV Biophysical techniques ✔ Alix|TSG101 EV Cytosolic markers ✔ CD63|CD81|EpCAM EV Membrane markers ✘ EV Negative markers ✔ DLS EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 25890246     Organism Homo sapiens Experiment description Highly-purified exosomes and shed microvesicles isolated from the human colon cancer cell line LIM1863 by sequential centrifugal ultrafiltration are biochemically and functionally distinct. Authors Xu R, Greening DW, Rai A, Ji H, Simpson RJ. Journal name Methods Publication year 2015 Sample Colorectal cancer cells Sample name LIM1863 - Ultracentrifugation - Rep 2 Isolation/purification methods Differential centrifugation Filtration Ultracentrifugation Centrifugal concentration Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry Western blotting

4 Experiment ID 191 ISEV standards ✘ EV Biophysical techniques ✔ Alix EV Cytosolic markers ✔ CD81|CD9 EV Membrane markers ✘ EV Negative markers ✘ EV Particle analysis Identified molecule protein Identification method Mass spectrometry PubMed ID 20124223     Organism Homo sapiens Experiment description Hypoxic tumor cell modulates its microenvironment to enhance angiogenic and metastatic potential by secretion of proteins and exosomes. Authors Park JE, Tan HS, Datta A, Lai RC, Zhang H, Meng W, Lim SK, Sze SK. Journal name Mol Cell Proteomics Publication year 2010 Sample Squamous carcinoma cells Sample name Squamous carcinoma cell (A431) Isolation/purification methods Differential centrifugation Flotation density - Molecules identified in the study Protein Methods used in the study Mass spectrometry

Protein-protein interactions for PCSK9

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

Pathways in which PCSK9 is involved

No pathways found