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CD81


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Gene DB Home
Symbol:CD81
Name(s):CD81 molecule
Type:protein-coding
Organism:Homo sapiens
Synonyms:S5.7, TAPA1, TSPAN28
Links: Pubmed, Entrez Gene, GeneCards, BioGPS, Map Viewer.

Gene Information from Publications

Publication Link Summary of findings
12209363 Observational study of gene-disease association and gene-environment interaction. (HuGE Navigator)
17827389 In the plasma membrane, PrP(c) colocalizes with the tetraspanin CD81, sharing the same microdomain.
17941058 CD81-independent routes of cell-cell transmission of hepatitis C virus exist.
17407154 transferrin receptor and CD9, CD81, and CD9P-1 are differentially sorted into exosomes after TPA treatment of K562 cells
17942559 CD81 is involved in Hepacivirus infection of human hepatocytes
17507469 Results suggest that hepatitis C virus envelope glycoprotein E2 glycans modulate entry, CD81 binding, and neutralization by masking functionally important regions of E2 .
17522207 Data show that HIV-1 envelope glycoprotein (Env) and core protein (Gag) colocalize strongly with CD63 and CD81 and less strongly with CD9, and suggest that HIV-1 promotes virus assembly and cell-cell transfer by targeting these plasma membrane proteins.
15670777 These results suggest that the LEL has a more robust structure in the intact tetraspanin with regions outside the LEL contributing to CD81 dimerization.
15767432 These findings suggest that engagement of CD81 decreases the signaling threshold required to initiate TCR/CD3-mediated induction of integrated HIV-1 proviral DNA in primary CD4+ T cells.
15500552 binding with HCV E2 induces RANTES secretion and internalization of CCR5.

View more information from publications.

Interacting gene products

Interaction Type Gene 1 Gene 2 Interaction description Complex Publication Link
HPRDCD9 antigenCD81 antigen--Pubmed
HPRDCD9 antigenCD81 antigen--Pubmed
HPRDCD63 antigen isoform ACD81 antigen--Pubmed
HPRDCD63 antigen isoform ACD81 antigen--Pubmed
HPRDCD81 antigenv-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog isoform 1 precursor--Pubmed
HPRDCD81 antigenv-kit Hardy-Zuckerman 4 feline sarcoma viral oncogene homolog isoform 1 precursor--Pubmed
HPRDCD81 antigenintegrin alpha 4 precursor--Pubmed
HPRDCD81 antigenintegrin alpha 4 precursor--Pubmed
HPRDCD81 antigenCD81 antigen--Pubmed
HPRDCD81 antigenintegrin beta 1 isoform 1C-1 precursor--Pubmed

Recent Publications on CD81:

Pubmed Logo
Glycosynaptic microdomains controlling tumor cell phenotype through alteration of cell growth, adhesion, and motility.
Glycosphingolipids NeuAcalpha3Galbeta4Glcbeta1Cer (GM3) and...
31st October, 2009
Division of Biomembrane Research, Pacific Northwest Research Institute, FEBS Lett. 2009 Oct 27.
DOI Direct Link
Tetraspanin-induced death of myeloma cell lines is autophagic and involves increased UPR signalling.
BACKGROUND: Multiple myeloma (MM) therapy is hindered by the interaction...
29th October, 2009
Meir Medical Center, Kfar Saba, Israel. Br J Cancer. 2009 Oct 20;101(8):1402-9. Epub 2009 Sep 15.
DOI Direct Link
Aberrant underexpression of CD81 in precursor B-cell acute lymphoblastic leukemia: utility in detection of minimal residual disease by flow cytometry.
We studied CD81 expression by flow cytometry (FC) on benign precursor B...
23rd October, 2009
Dept of Hematopathology, University of Texas M.D. Anderson Cancer Center, Am J Clin Pathol. 2009 Nov;132(5):692-8.
DOI Direct Link
Regulation of NK cell trafficking by CD81.
NK cells, a heterogeneous sub-population of lymphocytes, are critically...
16th October, 2009
Department of Internal Medicine I, University of Bonn, Bonn, Germany. Eur J Immunol. 2009 Oct 14.
DOI Direct Link
CD81 expression on CD19+ peripheral blood lymphocytes is associated with chronic HCV disease and increased risk for HCV infection: a putative role for inflammatory cytokines.
The level of CD81 cell surface expression, a cellular co-receptor for...
16th October, 2009
Department of Clinical Pathology and Microbiology, San Gallicano J Biol Regul Homeost Agents. 2009 Jul-Sep;23(3):155-64.

View more research publications.

Patents:

Patents logo
US Patent No.Title
7303911 Prostate cell lines
7381705 Inhibitors of hepatitis C virus
7399834 Anti-PRO1558 antibodies
7407758 HCV variants
7419825 Isolation of neural stem cells using gangliosides and other surface markers

View more patents.

CD81 results (if any) from reagent suppliers

Google CSE Logo
CD81 Antibody / CD81 Antibodies
CD81 Antibody / CD81 Antibodies. ... CD81 specific siRNA, sHRNA Plasmid and shRNA Lentiviral Particles gene silencers are also available. ...
http://www.scbt.com/table-cd81.html...

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CD81 Antibody Tetraspanin 28
CD81 antibody can be used for detection of CD81 by Western blot at 1 - 2 μg/ml.,
http://www.prosci-inc.com/shop/catalog1/CD81-Antibody-p-6911...

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LEAF Purified Anti-mouse/rat CD81 Antibody ...
LEAF Purified Anti-mouse/rat CD81 Antibody - CD81 is a 26 kD non-glycosylated member of the tetraspanin superfamily (TM4SF), also known as TAPA-1.
http://www.biolegend.com/leaf-purified-anti-mouse-rat-cd81%2...

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CD81 Antibody
Rabbit polyclonal CD81 antibody was raised against a 20 amino acid peptide near the amino ... CD81 antibody is supplied as immunoaffinity purified IgG in ...
http://www.prosci-inc.com/shop/pdf/5195.pdf...

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CD81 (1.3.3.22) Antibody sc-7637
See how others have used CD81 (1.3.3.22): sc-7637 antibody and or CD81 (1.3.3.22 ) ... Binding of Hepatitis C Virus Envelope Protein E2 to CD81 Up-regulates ...
http://www.scbt.com/datasheet-7637-cd81-1-3-3-22-antibody.ht...

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mouse CD81 antibody, Functional Grade™ Purified conjugate
eBioscience technical data sheet for product 16-0811 Functional Grade Purified anti-mouse CD81 (TAPA-1) Eat-2 (EAT2) antibody.
http://www.ebioscience.com/ebioscience/specs/antibody_16/16-...

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CD81 (5A6) Antibody sc-23962
Tetraspanin CD81-regulated cell motility plays a critical role in ... Identification of amino acid residues in CD81 critical for interaction with
hepatitis ...
http://www.scbt.com/datasheet-23962-cd81-5a6-antibody.html...

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