CD40 Monoclonal Antibody (HM40-3), Functional Grade, eBioscience™, Invitrogen™

Armenian Hamster Monoclonal Antibody

Catalog Number	Mfr. No.	Quantity
16-040-2025	LIFE TECHNOLOGIES 160402025	25 mg

Description

The HM40-3 MAb reacts with mouse and rat CD40, a 45-50 kDa type I transmembrane glycoprotein. CD40 is a member of the TNFR family and is expressed by mouse B lymphocytes, follicular dendritic cells, thymic epithelium, and a subset of peripheral T cells. CD40 regulates B cell development/maturation by inducing Ig isotype switching and in combination with other signals such as IL-4, protects B cells from surface Ig-induced apoptosis and promotes proliferation. Interaction of CD40 with CD154 (gp39), its ligand on T cells, is important in T-B cell crosstalk and plays a role in costimulation and immune regulation.

The CD40 antigen is a single chain glycoprotein that is known to be a member of the tumor necrosis factor/nerve growth factor superfamily and shows a significant homology to the Hodgkin's disease associated antigen, CD30. CD40 is present on all B cells except plasma cells and is also found on some epithelial cells, carcinomas and lymphoid dendritic cells. CD40 has been found to be essential in mediating a broad variety of immune and inflammatory responses including T cell-dependent immunoglobulin class switching, memory B cell development, and germinal center formation. AT-hook transcription factor AKNA is reported to coordinately regulate the expression of CD40, which may be important for homotypic cell interactions. Adaptor protein TNFR2 interacts with CD40 and serves as a mediator of the signal transduction. The interaction of CD40 and its ligand is found to be necessary for amyloid-beta-induced microglial activation, and thus is thought to be an early event in Alzheimer disease pathogenesis. Two alternatively spliced transcript variants of CD40 encoding distinct isoforms have been reported. Diseases associated with CD40 dysfunction include Type 3 Hyper-Igm immunodeficiency and CD40 ligand deficiency.

Specifications

• Antigen: CD40
• Concentration: 1 mg/mL
• Classification: Monoclonal
• Form: Liquid
• Regulatory Status: RUO
• Formulation: PBS with no preservative; pH 7.2
• Gene ID (Entrez): 171369, 21939
• Primary or Secondary: Primary
• Content And Storage: 4°C
• Gene: CD40

• Clone: HM40-3
• Applications: Flow Cytometry, Functional Assay
• Conjugate: Functional Grade
• Host Species: Armenian Hamster
• Target Species: Mouse, Rat
• Gene Accession No.: P27512
• Isotype: IgM κ
• Purification Method: Affinity chromatography
• Product Type: Antibody