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Target

Host

Species Reactivity

Species Reactivity

Conjugate

Conjugate

CD81 Monoclonal antibody, PBS Only

CD81 Monoclonal Antibody for WB, IHC, IF-P, Indirect ELISA

Host / Isotype

Mouse / IgG1

Reactivity

Human

Applications

WB, IHC, IF-P, Indirect ELISA

Conjugate

Unconjugated

CloneNo.

1G2C6

Cat no : 66866-1-PBS

Synonyms

CD81, CD81 antigen, CD81 molecule, Cell and organelle markers, Exosome marker, S5.7, TAPA1, Tetraspanin 28, Tspan 28, TSPAN28

Validation Data Gallery

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  • Western Blot (WB) analysis of various lysates using CD81 Monoclonal antibody (66866-1-Ig)

    WB analysis using 66866-1-Ig (same clone as 66866-1-PBS)

    Various lysates were subjected to SDS PAGE followed by western blot with 66866-1-Ig (CD81 antibody) at dilution of 1:3000 incubated at room temperature for 1.5 hours. This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Western Blot (WB) analysis of various lysates using CD81 Monoclonal antibody (66866-1-Ig)

    WB analysis using 66866-1-Ig (same clone as 66866-1-PBS)

    HEK-293 cells and HEK-293-derived exosomes (HEK-293-exo) were subjected to SDS PAGE followed by western blot with 66866-1-Ig (CD81 antibody) at dilution of 1:8000 incubated at room temperature for 1.5 hours. This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Western Blot (WB) analysis of Jurkat cells using CD81 Monoclonal antibody (66866-1-Ig)

    WB analysis of Jurkat using 66866-1-Ig (same clone as 66866-1-PBS)

    Jurkat cells were subjected to SDS PAGE followed by western blot with 66866-1-Ig (CD81 antibody) at dilution of 1:3000 incubated at room temperature for 1.5 hours. This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Western Blot (WB) analysis of THP-1 cells using CD81 Monoclonal antibody (66866-1-Ig)

    WB analysis of THP-1 using 66866-1-Ig (same clone as 66866-1-PBS)

    LPS treated THP-1 cells were subjected to SDS PAGE followed by western blot with 66866-1-Ig (CD81 antibody) at dilution of 1:3000 incubated at room temperature for 1.5 hours. This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Immunohistochemistry (IHC) staining of human tonsillitis tissue using CD81 Monoclonal antibody (66866-1-Ig)

    IHC staining of human tonsillitis using 66866-1-Ig (same clone as 66866-1-PBS)

    Immunohistochemical analysis of paraffin-embedded human tonsillitis tissue slide using 66866-1-Ig (CD81 antibody) at dilution of 1:1000 (under 10x lens). Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0). This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Immunohistochemistry (IHC) staining of human tonsillitis tissue using CD81 Monoclonal antibody (66866-1-Ig)

    IHC staining of human tonsillitis using 66866-1-Ig (same clone as 66866-1-PBS)

    Immunohistochemical analysis of paraffin-embedded human tonsillitis tissue slide using 66866-1-Ig (CD81 antibody) at dilution of 1:1000 (under 40x lens). Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0). This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Immunofluorescence (IF) / fluorescent staining of human tonsillitis tissue using CD81 Monoclonal antibody (66866-1-Ig)

    IF Staining of human tonsillitis using 66866-1-Ig (same clone as 66866-1-PBS)

    Immunofluorescent analysis of (4% PFA) fixed human tonsillitis tissue using CD81 antibody (66866-1-Ig, Clone: 1G2C6 ) at dilution of 1:1000 and CoraLite®488-Conjugated Goat Anti-Mouse IgG(H+L). This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

  • Immunofluorescence (IF) / fluorescent staining of human tonsillitis tissue using CD81 Monoclonal antibody (66866-1-Ig)

    IF Staining of human tonsillitis using 66866-1-Ig (same clone as 66866-1-PBS)

    Immunofluorescent analysis of (4% PFA) fixed human tonsillitis tissue using CD81 antibody (66866-1-Ig, Clone: 1G2C6 ) at dilution of 1:1000 and CoraLite®488-Conjugated Goat Anti-Mouse IgG(H+L). This data was developed using the same antibody clone with 66866-1-PBS in a different storage buffer formulation.

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Tested Applications

Recommended dilution

ApplicationDilution
It is recommended that this reagent should be titrated in each testing system to obtain optimal results.

Product Information

66866-1-PBS targets CD81 in WB, IHC, IF-P, Indirect ELISA applications and shows reactivity with Human samples.

Tested Reactivity Human
Host / Isotype Mouse / IgG1
Class Monoclonal
Type Antibody
Immunogen CD81 fusion protein Ag27298 相同性解析による交差性が予測される生物種
Full Name CD81 molecule
Calculated molecular weight 26 kDa
Observed molecular weight 22 kDa
GenBank accession numberBC002978
Gene symbol CD81
Gene ID (NCBI) 975
Conjugate Unconjugated
Form Liquid
Purification MethodProtein A purification
Storage Buffer PBS Only
Storage ConditionsStore at -80°C.

Background Information

CD81 (also known as TAPA1 or TSPAN28) is a membrane protein of the tetraspanin superfamily, which are characterized by the presence of four conserved transmembrane regions. Many of these members are expressed on leukocytes and have been implicated in signal transduction, cell-cell interactions, and cellular activation and development. CD81 is involved in signal transduction and cell adhesion in the immune system (PMID: 9597125). CD81 has also been identified as en essential receptor for HCV (hepatitis C virus) (PMID: 21428934).