CoraLite®594-conjugated CD40 Monoclonal antibody

CD40 Monoclonal Antibody for IF

Host / Isotype

Mouse / IgG1

Reactivity

Human

Applications

IF

Conjugate

CoraLite®594 Fluorescent Dye

CloneNo.

2A8G5

Cat no : CL594-66965

Synonyms

B cell surface antigen CD40, Bp50, CD40, CD40L receptor, CDW40, p50, TNFRSF5

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Validation Data Gallery

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  IF Staining of human tonsillitis using CL594-66965

  Immunofluorescent analysis of (4% PFA) fixed human tonsillitis tissue using CoraLite®594 CD40 antibody (CL594-66965, Clone: 2A8G5 ) at dilution of 1:200.

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  IF Staining of human tonsillitis using CL594-66965

  Immunofluorescent analysis of (4% PFA) fixed human tonsillitis tissue using CoraLite®594 CD40 antibody (CL594-66965, Clone: 2A8G5 ) at dilution of 1:200.

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Tested Applications

• Positive IF detected in: human tonsillitis tissue

Recommended dilution

• Immunofluorescence (IF): IF : 1:50-1:500

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

Sample-dependent, Check data in validation data gallery.

Product Information

CL594-66965 targets CD40 in IF applications and shows reactivity with Human samples.

• Tested Reactivity: Human
• Host / Isotype: Mouse / IgG1
• Class: Monoclonal
• Type: Antibody
• Immunogen: CD40 fusion protein Ag28040
• Full Name: CD40 molecule, TNF receptor superfamily member 5
• Calculated Molecular Weight: 277 aa, 31 kDa
• GenBank Accession Number: BC012419
• Gene Symbol: CD40
• Gene ID (NCBI): 958
• RRID: AB_2920065
• Conjugate: CoraLite®594 Fluorescent Dye
• Excitation/Emission Maxima Wavelengths: 588 nm / 604 nm
• Form: Liquid
• Purification Method: Protein G purification
• Storage Buffer: PBS with 50% Glycerol, 0.05% Proclin300, 0.5% BSA, pH 7.3.
• Storage Conditions: Store at -20°C. Avoid exposure to light. Aliquoting is unnecessary for -20^oC storage. 20ul sizes contain 0.1% BSA.

Background Information

Cluster of differentiation 40 (CD40) is a costimulatory protein located on antigen presenting cells and is required for their activation. CD40 is a member of the tumor necrosis factor (TNF) receptor (TNFR) family.

What is the molecular weight of CD40?

The molecular weight of CD40 is 43 kDa.

What is the cellular localization of CD40?

CD40 can be secreted by cells or found in the cell membrane.

What is the tissue specificity of CD40?

CD40 is expressed in B cells and primary carcinoma cells but is also found in dendritic cells and macrophages (PMID: 10209159).

What is the function of CD40?

CD40 acts as a receptor for TNFSF5/CD40LG, which is expressed on activated T cells. This interaction is essential for B cell proliferation, expression of activation markers, immunoglobulin production, and isotype switching (PMID: 8809473). This interaction is also crucial for the formation of memory B cells and germinal centers, and signaling through CD40 prevents apoptosis of germinal center B cells.

What is the role of CD40 in disease?

Defects in CD40 lead to hyper-IgM immunodeficiency syndrome type 3 (HIGM3) (PMID: 11675497). This is an autosomal recessive disorder that includes the inability of B cells to undergo isotype switching, a key step in the final differentiation of the humoral immune response, and an inability to mount an antibody-specific immune response.