Gene description for POSTN
Gene name periostin
Gene symbol POSTN
Other names/aliases OSF-2
OSF2
PDLPOSTN
PN
Species Homo sapiens
 Experiment description of studies that identified POSTN in Prostate cancer cells

1
Experiment ID633
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
MISEVEVs
Identification method Mass spectrometry [LTQ]
PubMed ID 27894104   
OrganismHomo sapiens
Experiment descriptionProteomic profiling of NCI-60 extracellular vesicles uncovers common protein cargo and cancer type-specific biomarkers.
AuthorsHurwitz SN, Rider MA, Bundy JL, Liu X, Singh RK, Meckes DG Jr.
Journal name Oncotarget
Publication year2016
SampleProstate cancer cells
Sample nameDU145
Isolation/purification methodsDifferential centrifugation
Polymer-based precipitation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [LTQ]
EV-TRACK -

2
Experiment ID963
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 25844599   
OrganismHomo sapiens
Experiment descriptionMolecular profiling of prostate cancer derived exosomes may reveal a predictive signature for response to docetaxel.
AuthorsKharaziha P, Chioureas D, Rutishauser D, Baltatzis G, Lennartsson L, Fonseca P, Azimi A, Hultenby K, Zubarev R, UlléA, Yachnin J, Nilsson S, Panaretakis T.
Journal name Oncotarget
Publication year2015
SampleProstate cancer cells
Sample nameDU145 Tax-Sen
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Density gradient centrifugation
Flotation density1.12-1.19 g/mL
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
Western blotting
EV-TRACK EV150027: EV-METRIC:11%, 56%

3
Experiment ID1121
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 24347249   
OrganismHomo sapiens
Experiment descriptionExosomes secreted under hypoxia enhance invasiveness and stemness of prostate cancer cells by targeting adherens junction molecules.
AuthorsRamteke A, Ting H, Agarwal C, Mateen S, Somasagara R, Hussain A, Graner M, Frederick B, Agarwal R, Deep G.
Journal name Mol Carcinog
Publication year2015
SampleProstate cancer cells
Sample nameLNCaP- Hypoxic
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
ExoQuick
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV140124: EV-METRIC:43%, 25%

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