Gene description for HSPA4
Gene name heat shock protein family A (Hsp70) member 4
Gene symbol HSPA4
Other names/aliases APG-2
HEL-S-5a
HS24/P52
HSPH2
RY
hsp70
hsp70RY
Species Homo sapiens
 Experiment description of studies that identified HSPA4 in Prostate cancer cells

1
Experiment ID277
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry [Q-TOF]
PubMed ID 22030351   
OrganismHomo sapiens
Experiment descriptionExpression of PTRF in PC-3 cells modulates cholesterol dynamics and the actin cytoskeleton impacting secretion pathways
AuthorsInder KL, Zheng YZ, Davis MJ, Moon H, Loo D, Nguyen H, Clements JA, Parton RG, Foster LJ, Hill MM
Journal name MCP
Publication year2011
SampleProstate cancer cells
Sample namePC-3
Isolation/purification methodsDifferential centrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry [QTOF]
EV-TRACK -

2
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 -

3
Experiment ID853
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
MISEVEVs
Identification method Mass spectrometry
PubMed ID 28881726   
OrganismHomo sapiens
Experiment descriptionModulation of paracrine signaling by CD9 positive small extracellular vesicles mediates cellular growth of androgen deprived prostate cancer
AuthorsSoekmadji C, Riches JD, Russell PJ, Ruelcke JE, McPherson S, Wang C, Hovens CM, Corcoran NM; Australian Prostate Cancer Collaboration BioResource, Hill MM, Nelson CC.
Journal name Oncotarget
Publication year2016
SampleProstate cancer cells
Sample nameDUCaP - in CSS - Rep 3
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV170047: EV-METRIC:44%, 0%, 44%, 44%, 44%, 33%, 33%, 33%

4
Experiment ID855
Identified moleculeprotein
Extracellular vesicle typeExtracellular vesicles
MISEVEVs
Identification method Mass spectrometry
PubMed ID 28881726   
OrganismHomo sapiens
Experiment descriptionModulation of paracrine signaling by CD9 positive small extracellular vesicles mediates cellular growth of androgen deprived prostate cancer
AuthorsSoekmadji C, Riches JD, Russell PJ, Ruelcke JE, McPherson S, Wang C, Hovens CM, Corcoran NM; Australian Prostate Cancer Collaboration BioResource, Hill MM, Nelson CC.
Journal name Oncotarget
Publication year2016
SampleProstate cancer cells
Sample nameDUCaP - in CSS with DHT treatment - Rep 1
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV170047: EV-METRIC:44%, 0%, 44%, 44%, 44%, 33%, 33%, 33%

5
Experiment ID1113
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 24391718   
OrganismHomo sapiens
Experiment descriptionProteomic profiling of exosomes leads to the identification of novel biomarkers for prostate cancer.
AuthorsDuijvesz D, Burnum-Johnson KE, Gritsenko MA, Hoogland AM, Vredenbregt-van den Berg MS, Willemsen R, Luider T, Pa.a-Toli. L, Jenster G.
Journal name PLoS One
Publication year2013
SampleProstate cancer cells
Sample nameVCaP- replicate 1
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Density gradient centrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130038: EV-METRIC:33%

6
Experiment ID1115
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Mass spectrometry
PubMed ID 24391718   
OrganismHomo sapiens
Experiment descriptionProteomic profiling of exosomes leads to the identification of novel biomarkers for prostate cancer.
AuthorsDuijvesz D, Burnum-Johnson KE, Gritsenko MA, Hoogland AM, Vredenbregt-van den Berg MS, Willemsen R, Luider T, Pa.a-Toli. L, Jenster G.
Journal name PLoS One
Publication year2013
SampleProstate cancer cells
Sample nameVCaP- replicate 3
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
Density gradient centrifugation
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyMass spectrometry
EV-TRACK EV130038: EV-METRIC:33%

7
Experiment ID1122
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Western blotting
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- Normoxic
Isolation/purification methodsDifferential centrifugation
Ultracentrifugation
ExoQuick
Flotation density-
Molecules identified in the studyProtein
Methods used in the studyWestern blotting
EV-TRACK EV140124: EV-METRIC:43%, 25%

8
Experiment ID1123
Identified moleculeprotein
Extracellular vesicle typeExosomes
MISEVEVs
Identification method Western blotting
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 studyWestern blotting
EV-TRACK EV140124: EV-METRIC:43%, 25%

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