Gene description for PRG4
Gene name proteoglycan 4
Gene symbol PRG4
Other names/aliases CACP
HAPO
JCAP
MSF
SZP
Species Homo sapiens
 Experiment description of studies that identified PRG4 in Plasma

1
Experiment ID44
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 19028452   
OrganismHomo sapiens
Experiment descriptionProteomic profiling of human plasma exosomes identifies PPARgamma as an exosome-associated protein.
AuthorsLooze C, Yui D, Leung L, Ingham M, Kaler M, Yao X, Wu WW, Shen RF, Daniels MP, Levine SJ
Journal name BBRC
Publication year2009
SamplePlasma
Sample namePlasma
Isolation/purification methodsFiltration
Size exclusion chromatography
Sucrose density gradient
Flotation density1.15-1.16 g/mL
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [LTQ]
Western blotting
Immunoelectron microscopy
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2
Experiment ID473
Identified moleculeprotein
Extracellular vesicle typeMicroparticles
MISEVEVs
Identification method Mass spectrometry
PubMed ID 23056467   
OrganismHomo sapiens
Experiment descriptionCause or Effect of Arteriogenesis: Compositional Alterations of Microparticles from CAD Patients Undergoing External Counterpulsation Therapy.
AuthorsAl Kaabi A, Traupe T, Stutz M, Buchs N, Heller M.
Journal name PLoS One
Publication year2012
SamplePlasma
Sample namePatients of external counterpulsation therapy-Blood
Isolation/purification methods-
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
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3
Experiment ID1075
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 25104112   
OrganismHomo sapiens
Experiment descriptionPlacenta-derived exosomes continuously increase in maternal circulation over the first trimester of pregnancy.
AuthorsSarker S, Scholz-Romero K, Perez A, Illanes SE, Mitchell MD, Rice GE, Salomon C.
Journal name J Transl Med
Publication year2014
SamplePlasma
Sample nameFresh plasma- healthy women
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Filtration
Density gradient centrifugation
Flotation density1.12-1.19 g/mL
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV140094: EV-METRIC:56%

4
Experiment ID1076
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 25104112   
OrganismHomo sapiens
Experiment descriptionPlacenta-derived exosomes continuously increase in maternal circulation over the first trimester of pregnancy.
AuthorsSarker S, Scholz-Romero K, Perez A, Illanes SE, Mitchell MD, Rice GE, Salomon C.
Journal name J Transl Med
Publication year2014
SamplePlasma
Sample nameStored plamsa(freeze/thaw) plasma- healthy women
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Filtration
Density gradient centrifugation
Flotation density1.12-1.19 g/mL
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV140094: EV-METRIC:56%

5
Experiment ID2329
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 32487994   
OrganismHomo sapiens
Experiment descriptionPlasma-derived extracellular vesicles from Plasmodium vivax patients signal spleen fibroblasts via NF-kB facilitating parasite cytoadherence
AuthorsToda H, Diaz-Varela M, Segui-Barber J, Roobsoong W, Baro B, Garcia-Silva S, Galiano A, Gualdrón-López M, Almeida ACG, Brito MAM, de Melo GC, Aparici-Herraiz I, Castro-Cavadía C, Monteiro WM, Borràs E, Sabidó E, Almeida IC, Chojnacki J, Martinez-Picado J, Calvo M, Armengol P, Carmona-Fonseca J, Yasnot MF, Lauzurica R, Marcilla A, Peinado H, Galinski MR, Lacerda MVG, Sattabongkot J, Fernandez-Becerra C, Del Portillo HA.
Journal name Nat Commun
Publication year2020
SamplePlasma
Sample nameHealthy donors
Isolation/purification methodsCentrifugation
Size exclusion chromatography
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
Mass spectrometry
Flow cytometry
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6
Experiment ID2330
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 32487994   
OrganismHomo sapiens
Experiment descriptionPlasma-derived extracellular vesicles from Plasmodium vivax patients signal spleen fibroblasts via NF-kB facilitating parasite cytoadherence
AuthorsToda H, Diaz-Varela M, Segui-Barber J, Roobsoong W, Baro B, Garcia-Silva S, Galiano A, Gualdrón-López M, Almeida ACG, Brito MAM, de Melo GC, Aparici-Herraiz I, Castro-Cavadía C, Monteiro WM, Borràs E, Sabidó E, Almeida IC, Chojnacki J, Martinez-Picado J, Calvo M, Armengol P, Carmona-Fonseca J, Yasnot MF, Lauzurica R, Marcilla A, Peinado H, Galinski MR, Lacerda MVG, Sattabongkot J, Fernandez-Becerra C, Del Portillo HA.
Journal name Nat Commun
Publication year2020
SamplePlasma
Sample namePlasmodium vivax (Malaria) patients
Isolation/purification methodsCentrifugation
Size exclusion chromatography
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
Mass spectrometry
Flow cytometry
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7
Experiment ID2433
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVEVs
Identification method Mass spectrometry
PubMed ID 29320704   
OrganismHomo sapiens
Experiment descriptionExtracellular Vesicles Provide a Means for Tissue Crosstalk during Exercise
AuthorsWhitham M, Parker BL, Friedrichsen M, Hingst JR, Hjorth M, Hughes WE, Egan CL, Cron L, Watt KI, Kuchel RP, Jayasooriah N, Estevez E, Petzold T, Suter CM, Gregorevic P, Kiens B, Richter EA, James DE, Wojtaszewski JFP, Febbraio MA.
Journal name Cell Metab
Publication year2018
SamplePlasma
Sample namePlasma
Isolation/purification methodsCentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
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8
Experiment ID2434
Identified moleculeProtein
Extracellular vesicle typeExtracellular vesicles
MISEVEVs
Identification method Mass spectrometry
PubMed ID 29320704   
OrganismHomo sapiens
Experiment descriptionExtracellular Vesicles Provide a Means for Tissue Crosstalk during Exercise
AuthorsWhitham M, Parker BL, Friedrichsen M, Hingst JR, Hjorth M, Hughes WE, Egan CL, Cron L, Watt KI, Kuchel RP, Jayasooriah N, Estevez E, Petzold T, Suter CM, Gregorevic P, Kiens B, Richter EA, James DE, Wojtaszewski JFP, Febbraio MA.
Journal name Cell Metab
Publication year2018
SamplePlasma
Sample namePlasma
Isolation/purification methodsCentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
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9
Experiment ID2848
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 35058437   
OrganismHomo sapiens
Experiment descriptionCirculating ACE2-expressing extracellular vesicles block broad strains of SARS-CoV-2
AuthorsEl-Shennawy L, Hoffmann AD, Dashzeveg NK, McAndrews KM, Mehl PJ, Cornish D, Yu Z, Tokars VL, Nicolaescu V, Tomatsidou A, Mao C, Felicelli CJ, Tsai CF, Ostiguin C, Jia Y, Li L, Furlong K, Wysocki J, Luo X, Ruivo CF, Batlle D, Hope TJ, Shen Y, Chae YK, Zhang H, LeBleu VS, Shi T, Swaminathan S, Luo Y, Missiakas D, Randall GC, Demonbreun AR, Ison MG, Kalluri R, Fang D, Liu H.
Journal name Nat Commun
Publication year2022
SamplePlasma
Sample nameNWL-001 - Lung cancer patient
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
Mass spectrometry
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10
Experiment ID2849
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
MISEVSmall EVs
Identification method Mass spectrometry
PubMed ID 35058437   
OrganismHomo sapiens
Experiment descriptionCirculating ACE2-expressing extracellular vesicles block broad strains of SARS-CoV-2
AuthorsEl-Shennawy L, Hoffmann AD, Dashzeveg NK, McAndrews KM, Mehl PJ, Cornish D, Yu Z, Tokars VL, Nicolaescu V, Tomatsidou A, Mao C, Felicelli CJ, Tsai CF, Ostiguin C, Jia Y, Li L, Furlong K, Wysocki J, Luo X, Ruivo CF, Batlle D, Hope TJ, Shen Y, Chae YK, Zhang H, LeBleu VS, Shi T, Swaminathan S, Luo Y, Missiakas D, Randall GC, Demonbreun AR, Ison MG, Kalluri R, Fang D, Liu H.
Journal name Nat Commun
Publication year2022
SamplePlasma
Sample nameNWL-004 - Lung cancer patient
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
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