Gene description for KPNA4
Gene name
karyopherin alpha 4 (importin alpha 3)
Gene symbol
KPNA4
Other names/aliases
IPOA3 QIP1 SRP3
Species
Homo sapiens
Database cross references - KPNA4
ExoCarta
ExoCarta_3840
Entrez Gene
3840
HGNC
6397
MIM
602970
UniProt
O00629
KPNA4 identified in exosomes derived from the following tissue/cell type
Endothelial cells
26027894
Squamous carcinoma cells
20124223
Thymus
23844026
Gene ontology annotations for KPNA4
Experiment description of studies that identified KPNA4 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
mRNA
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
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
3
Experiment ID
217
ISEV standards
✔
EM
EV Biophysical techniques
✔
TSG101
EV Cytosolic markers
✔
CD81|CD9|CD63
EV Membrane markers
✘
EV Negative markers
✔
NTA
EV Particle analysis
Identified molecule
protein
Identification method
Mass spectrometry
PubMed ID
23844026
Organism
Homo sapiens
Experiment description
Characterization of human thymic exosomes.
Authors
Skogberg G, Gudmundsdottir J, van der Post S, Sandstrom K, Bruhn S, Benson M, Mincheva-Nilsson L, Baranov V, Telemo E, Ekwall O.
Journal name
PLoS One
Publication year
2013
Sample
Thymus
Sample name
Normal-Thymus
Isolation/purification methods
Differential centrifugation Filtration Ultracentrifugation
Flotation density
-
Molecules identified in the study
Protein
Methods used in the study
Mass spectrometry
Protein-protein interactions for KPNA4
Protein Interactor
ExoCarta ID
Identification method
PubMed
Species
1
ARRB2
Affinity Capture-MS
Homo sapiens
2
CSE1L
1434
Reconstituted Complex
Homo sapiens
3
RECQL
5965
Invitro
Homo sapiens
Two-hybrid
Homo sapiens
4
KPNB1
3837
Reconstituted Complex
Homo sapiens
5
TGM2
7052
Affinity Capture-MS
Homo sapiens
Affinity Capture-Western
Homo sapiens
View the network
image/svg+xml
Pathways in which KPNA4 is involved