Gene description for Lamp2
Gene name lysosomal-associated membrane protein 2
Gene symbol Lamp2
Other names/aliases CD107b
LGP-B
Lamp II
Lamp-2
Lamp-2a
Lamp-2b
Lamp-2c
Mac3
Species Mus musculus
 Database cross references - Lamp2
ExoCarta ExoCarta_16784
Vesiclepedia VP_16784
Entrez Gene 16784
UniProt P17047  
 Lamp2 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Dendritic cells 11390481    
Macrophages 23658846    
Macrophages 23658846    
Macrophages 23658846    
Microglia 16081791    
Mov neuroglial cells 15210972    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Lamp2
Molecular Function
    protein binding GO:0005515 IPI
    ion channel inhibitor activity GO:0008200 ISO
    ion channel inhibitor activity GO:0008200 ISS
    enzyme binding GO:0019899 IEA
    enzyme binding GO:0019899 ISO
    protein domain specific binding GO:0019904 IPI
    signaling adaptor activity GO:0035591 ISO
Biological Process
    protein targeting GO:0006605 IMP
    autophagy GO:0006914 IMP
    lysosomal lumen acidification GO:0007042 ISO
    lysosomal lumen acidification GO:0007042 ISS
    cellular response to starvation GO:0009267 IBA
    cellular response to starvation GO:0009267 IMP
    protein catabolic process GO:0030163 ISO
    negative regulation of protein-containing complex assembly GO:0031333 ISO
    regulation of protein stability GO:0031647 ISO
    muscle cell cellular homeostasis GO:0046716 IMP
    protein stabilization GO:0050821 IMP
    chaperone-mediated autophagy GO:0061684 IGI
    chaperone-mediated autophagy GO:0061684 IMP
    chaperone-mediated autophagy GO:0061684 IMP
    chaperone-mediated autophagy GO:0061684 ISO
    chaperone-mediated autophagy GO:0061684 ISS
    protein targeting to lysosome involved in chaperone-mediated autophagy GO:0061740 IBA
    protein targeting to lysosome involved in chaperone-mediated autophagy GO:0061740 IMP
    protein targeting to lysosome involved in chaperone-mediated autophagy GO:0061740 ISO
    protein targeting to lysosome involved in chaperone-mediated autophagy GO:0061740 ISO
    autophagosome maturation GO:0097352 IBA
    autophagosome maturation GO:0097352 IMP
    negative regulation of NLRP3 inflammasome complex assembly GO:1900226 ISO
    lysosomal protein catabolic process GO:1905146 ISO
    lysosomal protein catabolic process GO:1905146 ISS
Subcellular Localization
    autophagosome membrane GO:0000421 IBA
    autophagosome membrane GO:0000421 IDA
    extracellular space GO:0005615 ISO
    lysosome GO:0005764 IDA
    lysosome GO:0005764 IDA
    lysosome GO:0005764 ISO
    lysosomal membrane GO:0005765 IBA
    lysosomal membrane GO:0005765 IDA
    lysosomal membrane GO:0005765 ISO
    lysosomal membrane GO:0005765 ISO
    endosome GO:0005768 ISO
    late endosome GO:0005770 IDA
    late endosome GO:0005770 ISO
    trans-Golgi network GO:0005802 ISO
    plasma membrane GO:0005886 IBA
    plasma membrane GO:0005886 IEA
    membrane GO:0016020 ISO
    phagocytic vesicle membrane GO:0030670 IMP
    platelet dense granule membrane GO:0031088 ISO
    late endosome membrane GO:0031902 IBA
    late endosome membrane GO:0031902 IDA
    late endosome membrane GO:0031902 ISO
    intracellular membrane-bounded organelle GO:0043231 ISO
    autolysosome GO:0044754 ISO
    membrane raft GO:0045121 ISO
    perinuclear region of cytoplasm GO:0048471 ISO
    chaperone-mediated autophagy translocation complex GO:0061742 ISO
    chaperone-mediated autophagy translocation complex GO:0061742 ISS
    extracellular exosome GO:0070062 IEA
    extracellular exosome GO:0070062 ISO
    lysosomal matrix GO:1990836 ISO
 Experiment description of studies that identified Lamp2 in sEVs
1
Experiment ID 907
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample Colon cancer cells
Sample name C26
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
2
Experiment ID 10
MISEV standards
EM
Biophysical techniques
Alix|CD9|MHCII|MHCI|CD86|LAMP2
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 11390481    
Organism Mus musculus
Experiment description Proteomic analysis of dendritic cell-derived exosomes: a secreted subcellular compartment distinct from apoptotic vesicles.
Authors "Thery C, Boussac M, Veron P, Ricciardi-Castagnoli P, Raposo G, Garin J, Amigorena S."
Journal name JIMMU
Publication year 2001
Sample Dendritic cells
Sample name D1
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.15-1.18 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [MALDI TOF]
Mass spectrometry [QTOF]
Western blotting
3
Experiment ID 214
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Leishmania-infected-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
4
Experiment ID 215
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name LPS-treated-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
5
Experiment ID 216
MISEV standards
EM
Biophysical techniques
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 23658846    
Organism Mus musculus
Experiment description Immunomodulatory impact of leishmania-induced macrophage exosomes: a comparative proteomic and functional analysis.
Authors "Hassani K, Olivier M."
Journal name PLoS Negl Trop Dis
Publication year 2013
Sample Macrophages
Sample name Normal-Macrophage (J774A.1)
Isolation/purification methods Differential centrifugation
Filtration
Ultracentrifugation
Filtration
Protease inhibitors
Sucrose density gradient
Filtration
Ultracentrifugation
Flotation density 1.13-1.19 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry
6
Experiment ID 14
MISEV standards
EM
Biophysical techniques
RAB7|RAB11|CD9|CD63|LAMP1|LAMP2
Enriched markers
DNM
Negative markers
Particle analysis
Identified molecule protein
Identification method Western blotting
PubMed ID 16081791    
Organism Mus musculus
Experiment description Proteomic analysis of microglia-derived exosomes: metabolic role of the aminopeptidase CD13 in neuropeptide catabolism.
Authors "Potolicchio I, Carven GJ, Xu X, Stipp C, Riese RJ, Stern LJ, Santambrogio L"
Journal name JIMMU
Publication year 2005
Sample Microglia
Sample name N9
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.15 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [LCQ DECA XP]
Western blotting
7
Experiment ID 39
MISEV standards
IEM
Biophysical techniques
TSG101|HSC70|FLOT1
Enriched markers
Negative markers
Particle analysis
Identified molecule protein
Identification method Mass spectrometry
PubMed ID 15210972    
Organism Mus musculus
Experiment description Cells release prions in association with exosomes.
Authors "Fevrier B, Vilette D, Archer F, Loew D, Faigle W, Vidal M, Laude H, Raposo G"
Journal name PNAS
Publication year 2004
Sample Mov neuroglial cells
Sample name Mov neuroglial cell
Isolation/purification methods Differential centrifugation
Sucrose density gradient
Flotation density 1.14 g/mL
Molecules identified in the study Protein
Methods used in the study Mass spectrometry [QSTAR]
Western blotting
Immunoelectron Microscopy
8
Experiment ID 908
MISEV standards
EM
Biophysical techniques
Tsg101|Sdcbp|Cd151|Gapdh|Lamp2|Cd81|Cd82|Cd9|Cd63|Cd80|Flot2|Tfrc|Rab35|Rab5a
Enriched markers
HSPA5
Negative markers
NTA
Particle analysis
Identified molecule Protein
Identification method Mass spectrometry
PubMed ID 37309723    
Organism Mus musculus
Experiment description Proteomic analysis of the small extracellular vesicles and soluble secretory proteins from cachexia inducing and non-inducing cancer cells
Authors "Chitti SV, Kang T, Fonseka P, Marzan AL, Stewart S, Shahi S, Bramich K, Ang CS, Pathan M, Gummadi S, Mathivanan S."
Journal name Proteomics
Publication year 2023
Sample T-cell lymphoma cells
Sample name EL4
Isolation/purification methods Differential centrifugation
Ultracentrifugation
Flotation density -
Molecules identified in the study Protein
Methods used in the study Western blotting
Mass spectrometry
 Protein-protein interactions for Lamp2
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Slc12a2 20496
Co-fractionation Mus musculus
2 Fkbp9  
Co-fractionation Mus musculus
3 Tnfaip8  
Co-fractionation Mus musculus
4 S100a11 20195
Co-fractionation Mus musculus
5 Cd63 12512
Co-fractionation Mus musculus
6 Slc29a1 63959
Co-fractionation Mus musculus
7 Tbc1d5  
Co-fractionation Mus musculus
8 Pxk  
Co-fractionation Mus musculus
9 Eltd1  
Co-fractionation Mus musculus
10 Alkbh3  
Co-fractionation Mus musculus
11 Siae  
Co-fractionation Mus musculus
12 Rock1  
Co-fractionation Mus musculus
13 P4htm  
Co-fractionation Mus musculus
14 Cd47 16423
Co-fractionation Mus musculus
15 Fut11  
Co-fractionation Mus musculus
16 Rcsd1  
Co-fractionation Mus musculus
17 Uchl1 22223
Affinity Capture-Western Mus musculus
Co-fractionation Mus musculus
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