Gene description for Ltbp1
Gene name latent transforming growth factor beta binding protein 1
Gene symbol Ltbp1
Other names/aliases 9430031G15Rik
9830146M04
Ltbp-1
Tgfb
b2b1000Clo
Species Mus musculus
 Database cross references - Ltbp1
ExoCarta ExoCarta_268977
Vesiclepedia VP_268977
Entrez Gene 268977
UniProt Q8CG19  
 Ltbp1 identified in sEVs derived from the following tissue/cell type
Colon cancer cells 37309723    
Mast cells 17486113    
T-cell lymphoma cells 37309723    
 Gene ontology annotations for Ltbp1
Molecular Function
    extracellular matrix structural constituent GO:0005201 RCA
    calcium ion binding GO:0005509 IEA
    growth factor binding GO:0019838 IEA
    transforming growth factor beta binding GO:0050431 ISO
    microfibril binding GO:0050436 IBA
    microfibril binding GO:0050436 ISO
    molecular adaptor activity GO:0060090 ISO
    receptor ligand inhibitor activity GO:0141069 ISO
    receptor ligand inhibitor activity GO:0141069 ISS
Biological Process
    ventricular septum development GO:0003281 IMP
    transforming growth factor beta receptor signaling pathway GO:0007179 TAS
    positive regulation of collagen biosynthetic process GO:0032967 ISO
    sequestering of TGFbeta in extracellular matrix GO:0035583 ISO
    sequestering of TGFbeta in extracellular matrix GO:0035583 ISS
    establishment of protein localization to extracellular region GO:0035592 ISO
    aorta development GO:0035904 IMP
    coronary vasculature development GO:0060976 IMP
Subcellular Localization
    microfibril GO:0001527 IDA
    microfibril GO:0001527 ISO
    extracellular region GO:0005576 IEA
    dendrite GO:0030425 ISO
    extracellular matrix GO:0031012 IDA
    extracellular matrix GO:0031012 ISO
    protein-containing complex GO:0032991 ISO
    large latent transforming growth factor-beta complex GO:0038045 ISO
    neuronal cell body GO:0043025 ISO
    perinuclear region of cytoplasm GO:0048471 ISO
    collagen-containing extracellular matrix GO:0062023 HDA
    collagen-containing extracellular matrix GO:0062023 ISO
 Experiment description of studies that identified Ltbp1 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 15
MISEV standards
EM
Biophysical techniques
CD63
Enriched markers
Negative markers
Particle analysis
Identified molecule mrna
Identification method Microarray
PubMed ID 17486113    
Organism Mus musculus
Homo sapiens
Experiment description Exosome-mediated transfer of mRNAs and microRNAs is a novel mechanism of genetic exchange between cells.
Authors "Valadi H, Ekstrom K, Bossios A, Sjostrand M, Lee JJ, Lotvall JO"
Journal name NCB
Publication year 2007
Sample Mast cells
Sample name MC9
Bone marrow-derived mast cells
HMC-1
Isolation/purification methods Filtration
Ultracentrifugation
Sucrose density gradient
Flotation density 1.11-1.21 g/mL
Molecules identified in the study Protein
mRNA
miRNA
Methods used in the study Mass spectrometry [MALDI TOF]
Western blotting
Microarray
miRCURY LNA Array
3
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 Ltbp1
  Protein Interactor ExoCarta ID Identification method PubMed Species
1 Lama2  
Co-fractionation Mus musculus
2 Mettl21e  
Affinity Capture-MS Mus musculus
3 Ubc  
Reconstituted Complex Mus musculus
4 Nell2  
Co-fractionation Mus musculus
5 Adgre5 26364
Co-fractionation Mus musculus
6 Fbn1  
Co-fractionation Mus musculus
7 IGFBP3 3486
Two-hybrid Homo sapiens
View the network image/svg+xml



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