Gene description for SPG21
Gene name spastic paraplegia 21 (autosomal recessive, Mast syndrome)
Gene symbol SPG21
Other names/aliases ACP33
BM-019
GL010
MAST
Species Homo sapiens
 Database cross references - SPG21
ExoCarta ExoCarta_51324
Entrez Gene 51324
HGNC 20373
MIM 608181
UniProt Q9NZD8  
 SPG21 identified in exosomes derived from the following tissue/cell type
Hepatocellular carcinoma cells 26054723    
Thymus 23844026    
 Gene ontology annotations for SPG21
Molecular Function
    CD4 receptor binding GO:0042609 IPI
    protein binding GO:0005515 IPI
Biological Process
    antigen receptor-mediated signaling pathway GO:0050851 IC
Subcellular Localization
    nucleoplasm GO:0005654 IDA
    cytosol GO:0005829 IDA
    trans-Golgi network transport vesicle GO:0030140 IDA
    nucleus GO:0005634 IDA
    endosome membrane GO:0010008 IEA
    cytoplasm GO:0005737 IDA
 Experiment description of studies that identified SPG21 in exosomes
1
Experiment ID 235
ISEV standards
EM
EV Biophysical techniques
TSG101|Alix|HSC70|GAPDH
EV Cytosolic markers
EV Membrane markers
HSP90B1
EV Negative markers
qNano
EV Particle analysis
Identified molecule mRNA
Identification method RNA Sequencing
PubMed ID 26054723    
Organism Homo sapiens
Experiment description Hepatocellular carcinoma-derived exosomes promote motility of immortalized hepatocyte through transfer of oncogenic proteins and RNAs
Authors He M, Qin H, Poon TC, Sze SC, Ding X, Co NN, Ngai SM, Chan TF, Wong N
Journal name Carcinogenesis
Publication year 2015
Sample Hepatocellular carcinoma cells
Sample name HKCI-8
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
RNA
Methods used in the study Western blotting
Mass spectrometry
RT-PCR
RNA Sequencing
2
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 SPG21
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 C6orf166  
Two-hybrid Homo sapiens
2 CD4 920
Affinity Capture-MS Homo sapiens
Affinity Capture-Western Homo sapiens
Two-hybrid Homo sapiens
3 CUTC  
Two-hybrid Homo sapiens
4 RABAC1  
Two-hybrid Homo sapiens
5 PRPS1 5631
Two-hybrid Homo sapiens
6 TRAF2  
Two-hybrid Homo sapiens
7 GGA2  
Two-hybrid Homo sapiens
8 MTMR9  
Two-hybrid Homo sapiens
9 ZNF263  
Two-hybrid Homo sapiens
10 CTPS2 56474
Two-hybrid Homo sapiens
11 RTN4 57142
Two-hybrid Homo sapiens
View the network image/svg+xml
 Pathways in which SPG21 is involved
No pathways found





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