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Immunofluorescence (IF) (Immunofluorescence staining of fixed Jurkat cells with anti-CD81 antibody 1D6 Immunofluorescence analysis of paraformaldehyde fixed Jurkat cells on Shi-fix coverslips, permeabilized with 0.15% Triton and stained with the chimeric mouse IgG1 version of 1D6 (MBS488457) at 10 ug/ml for 1h followed by Alexa Fluor 488 secondary antibody (2 ug/ml), showing membrane staining. The nuclear stain is DAPI (blue). Panels show from left-right, top-bottom MBS488457, DAPI, merged channels and an isotype control. The isotype control was stained with an unknown specificity antibody followed by Alexa Fluor 488 secondary antibody.)

CD81 recombinant antibody

Anti-CD81 [1D6]

Gene Names
CD81; S5.7; CVID6; TAPA1; TSPAN28
Reactivity
Human, Chimpanzee, Goat, Sheep
Applications
ELISA, Flow Cytometry, Functional Assay, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunoprecipitation, Western Blot
Purity
Protein A Affinity Purified
Synonyms
CD81; Monoclonal Recombinant Antibody; Anti-CD81 [1D6]; Tetraspanin-28; TAPA-1; Target of the Antiproliferative Antibody 1; Tspan-28; CD81 recombinant antibody
Ordering
For Research Use Only!
Reactivity
Human, Chimpanzee, Goat, Sheep
Clonality
Monoclonal
Isotype
Mouse IgG1 kappa
Clone Number
1D6
Specificity
This antibody is specific for human CD81, which is expressed on most tissues with the exception of red blood cells and platelets.
Purity/Purification
Protein A Affinity Purified
Form/Format
PBS with 0.02% Proclin 300.
Concentration
1mg/ml (varies by lot)
Sequence Length
236
Applicable Applications for CD81 recombinant antibody
Functional, ELISA (EIA), Flow Cytometry (FC/FACS), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC) Paraffin, Immunoprecipitation (IP), Western Blot (WB)
Antibody Type
Recombinant Antibody
Antibody Species
Mouse
Original Species Name
Mouse
Immunogen
This antibody was produced by immunizing mice with 5A6-aggregated OCI-LY8 B cells.
Clone Note
This antibody is a strong inducer of homotypic adhesion in hematolymphoid cells (Levy, 1998). This antibody also has an anti-proliferative effect, and is able to induce growth inhibition of B cell lines. Triggering of CD81 by this antibody induces a significant upregulation of the constituitive release of TNF-alpha by JY cells, an Eptsein-Barr virus-positive B lymphoblastoid cell line (Altomonte, 1995).
Buffer Composition
PBS only with 0.02% Proclin 300.
Preparation and Storage
Store at 4 degree C for up to 3 months. For longer storage, aliquot and store at -20 degree C.

Immunofluorescence (IF)

(Immunofluorescence staining of fixed Jurkat cells with anti-CD81 antibody 1D6 Immunofluorescence analysis of paraformaldehyde fixed Jurkat cells on Shi-fix coverslips, permeabilized with 0.15% Triton and stained with the chimeric mouse IgG1 version of 1D6 (MBS488457) at 10 ug/ml for 1h followed by Alexa Fluor 488 secondary antibody (2 ug/ml), showing membrane staining. The nuclear stain is DAPI (blue). Panels show from left-right, top-bottom MBS488457, DAPI, merged channels and an isotype control. The isotype control was stained with an unknown specificity antibody followed by Alexa Fluor 488 secondary antibody.)

Immunofluorescence (IF) (Immunofluorescence staining of fixed Jurkat cells with anti-CD81 antibody 1D6 Immunofluorescence analysis of paraformaldehyde fixed Jurkat cells on Shi-fix coverslips, permeabilized with 0.15% Triton and stained with the chimeric mouse IgG1 version of 1D6 (MBS488457) at 10 ug/ml for 1h followed by Alexa Fluor 488 secondary antibody (2 ug/ml), showing membrane staining. The nuclear stain is DAPI (blue). Panels show from left-right, top-bottom MBS488457, DAPI, merged channels and an isotype control. The isotype control was stained with an unknown specificity antibody followed by Alexa Fluor 488 secondary antibody.)
Related Product Information for CD81 recombinant antibody
Recombinant monoclonal antibody to CD81. Manufactured using the recombinant platform with variable regions (i.e. specificity) from the hybridoma 1D6.
Product Categories/Family for CD81 recombinant antibody
References
Levy et al. CD81 (TAPA-1): a molecule involved in signal transduction and cell adhesion in the immune system Annual review of immunology, 1998, Vol.16, pp.89-109 [Peer Reviewed Journal] PMID:9597125
Original Published Journal: Annual review of immunology, 1998, Vol.16, pp.89-109 [Peer Reviewed Journal]
Original Published Journal: Annual review of immunology, 1998, Vol.16, pp.89-109 [Peer Reviewed Journal]
Publication Note: Describes the original production of this antibody, and its use in characterising the CD81 antigen.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
975
UniProt Accession #
NCBI Official Full Name
CD81 antigen
NCBI Official Synonym Full Names
CD81 molecule
NCBI Official Symbol
CD81
NCBI Official Synonym Symbols
S5.7; CVID6; TAPA1; TSPAN28
NCBI Protein Information
CD81 antigen
UniProt Protein Name
CD81 antigen
Protein Family
UniProt Gene Name
CD81
UniProt Synonym Gene Names
TAPA1; TSPAN28; Tspan-28

NCBI Description

The protein encoded by this gene is a member of the transmembrane 4 superfamily, also known as the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the presence of four hydrophobic domains. The proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. This encoded protein is a cell surface glycoprotein that is known to complex with integrins. This protein appears to promote muscle cell fusion and support myotube maintenance. Also it may be involved in signal transduction. This gene is localized in the tumor-suppressor gene region and thus it is a candidate gene for malignancies. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2014]

Uniprot Description

May play an important role in the regulation of lymphoma cell growth. Interacts with a 16-kDa Leu-13 protein to form a complex possibly involved in signal transduction. May act as the viral receptor for HCV.(Microbial infection) Acts as a receptor for hepatitis C virus (HCV) in hepatocytes. Associates with CLDN1 and the CLDN1-CD81 receptor complex is essential for HCV entry into host cell.

Research Articles on CD81

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Product Notes

The CD81 cd81 (Catalog #AAA488457) is a Recombinant Antibody and is intended for research purposes only. The product is available for immediate purchase. The Anti-CD81 [1D6] reacts with Human, Chimpanzee, Goat, Sheep and may cross-react with other species as described in the data sheet. AAA Biotech's CD81 can be used in a range of immunoassay formats including, but not limited to, Functional, ELISA (EIA), Flow Cytometry (FC/FACS), Immunocytochemistry (ICC), Immunofluorescence (IF), Immunohistochemistry (IHC) Paraffin, Immunoprecipitation (IP), Western Blot (WB). Researchers should empirically determine the suitability of the CD81 cd81 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "CD81, Monoclonal Recombinant Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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