CD40 Rabbit Polyclonal Antibody

CAT#: AP06445PU-N

CD40 rabbit polyclonal antibody, Aff - Purified

Product Images

Western blot (WB) analysis of CD40 antibody in extracts from COS7 cells.

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  Immunohistochemistry (IHC) analyzes of CD40 antibody in paraffin-embedded human breast carcinoma brain tissue.

Specifications

Product Data

• Applications: IHC, WB
• Recommended Dilution: Western blot: 1/500-1/1000.
  Immunohistochemistry on paraffin sections: 1/50-1/200.
• Reactivities: Human, Mouse
• Host: Rabbit
• Clonality: Polyclonal
• Immunogen: Synthetic peptide, corresponding to amino acids 230-280 of Human CD40.
• Specificity: This antibody detects endogenous levels of CD40 protein.
  (region surrounding Gln259)
• Formulation: Phosphate buffered saline (PBS), pH~7.2
  State: Aff - Purified
  State: Liquid purified Ig fraction (> 95% pure by SDS-PAGE).
  Preservative: 0.05% Sodium Azide
• Concentration: 1.0 mg/ml
• Purification: Affinity Chromatography using epitope-specific immunogen.
• Conjugation: Unconjugated
• Storage: Store undiluted at 2-8°C for one month or (in aliquots) at -20°C for longer.
  Avoid repeated freezing and thawing.
• Stability: Shelf life: One year from despatch.
• Predicted Protein Size: ~ 30 kDa
• Gene Name: CD40 molecule
• Database Link:
  Entrez Gene 958 Human
  UniProt ID P25942
• Background: Resting B cells can be activated and clonally expanded into antibody-producing cells in response to a combination of cell contact and soluble signals provided by primed helper T (Th) cells. While cytokines IL-4 and IL-13 alone are inadequate for B cell activation, contact with Th cells seems to be sufficient for delivery of proliferative signals. A receptor ligand pair central to the transmission of this signal is CD40, expressed on the surface of B cells, together with CD40L, expressed on activated T cells. In the presence of such stimulus, IL-4 and IL-13 are capable of triggering immunoglobulin class switching and secretion of IgE. B cells are sensitive to these cytokines only subsequent to CD40/CD40L-driven DNA synthesis. A downstream mediator of the CD40 signaling pathway, designated CRAF, is a member of an expanding family of proteins that contain a conserved cysteine- and histidine-rich RING finger motif. Other members of the family include TRAF1 and TRAF2. The latter proteins have been shown to regulate TNF-R2 as well as CD40 signaling through activation of the NFkB family of transcription factors.
• Synonyms: TNFRSF5, CDw40, Bp50