Human peripheral blood lymphocytes were stained with Mouse Anti-Human CD40/TNFRSF5 PE-conjugated Monoclonal Antibody (Catalog # FAB6321P) and Mouse Anti-Human CD19 Fluorescein-conjugated Monoclonal Antibody (Catalog # ...read more
PBMC lymphocytes were stained with Mouse Anti-Human CD19 APC‑conjugated Monoclonal Antibody (Catalog # FAB4867A) and either (A) Mouse Anti-Human CD40/TNFRSF5 PE‑conjugated Monoclonal Antibody ...read more
Mouse myeloma cell line NS0-derived recombinant human CD40/TNFRSF5 Glu21-Arg193 Accession # P25942
Specificity
Detects human CD40/TNFRSF5 in direct ELISAs and Western blots. In direct ELISAs, does not cross-react with recombinant human (rh) 4‑1BB, rhCD27, rhCD30, rhDR3, rhDR6, rhEDAR, rhFas, rhGITR, rhHVEM, rhLTR beta , rhNGF R, rhOPG, rhRANK, rhTAJ, rhTNF RI, rhTNF RII, or recombinant mouse CD40.
Source
N/A
Isotype
IgG2b
Clonality
Monoclonal
Host
Mouse
Gene
CD40
Purity Statement
Protein A or G purified from hybridoma culture supernatant
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
TNFRSF5CD40 antigen (TNF receptor superfamily member 5)
tumor necrosis factor receptor superfamily member 5
tumor necrosis factor receptor superfamily, member 5
Background
CD40, also known as TNFRSF5, is a 45-50 kD type I transmembrane
glycoprotein that belongs to the TNF receptor superfamily. Mature human CD40 is
257 amino acids (aa) in length, and consists of a 173 aa extracellular domain
(ECD), a 22 aa transmembrane segment and a 62 aa cytoplasmic region. The ECD
contains four cysteine-rich repeats, the second of which is considered crucial
to ligand binding. Over aa 21-193, human
CD40 shares 58% aa sequence identity with mouse CD40. Although not ubiquitously expressed, cells known
to constitutively or inducibly express CD40 are large in number and include
basal layer keratinocytes, adipocytes, CD8+ T cells, fibrocytes (circulating
stem cells), monocytes, eosinophils, dendritic cells, pancreatic duct
epithelium, astrocytes, smooth muscle cells, fibroblasts, vascular endothelial
cells and B cells. There is at least one
alternative splice form that shows a 38 aa substitution for aa 166-277,
generating a soluble molecule. There are
two "ligands" for CD40, the first being CD154/CD40L, and the second Borrelia, a
spirochete that causes Lyme disease.
CD40 ligation by CD154 has many outcomes, some of which are
cell-specific. Ligation of CD40 on B
cells (with IL-4) induces IgE production, while bone marrow stromal cell
activation via CD40 promotes OPG secretion with concomitant bone
formation. In addition, stimulation of
CD40 on keratinocytes results in IL-8 and RANTES expression with subsequent
leukocyte infiltration, while adipocyte activation via CD40 promotes local M1
polarization.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.
FAQs for CD40/TNFRSF5 Antibody (FAB6321P). (Showing 1 - 2 of 2 FAQs).
I wanna know does CD40 antibody for IHC-P comes with positive control slide?
Our CD40 antibodies do not come with positive control slides however you can use any type of primary carcinoma cell as a positive control. I recommend breast carcinoma as this is what we have tested our CD40 antibodies on.
We are studying CD40L in our system. It has been known that both CD40 and CD11b are receptors for CD40L. We need CD40 antibody to neutralize CD40 binding to CD40L, then we may prove what is function for CD11b binding to CD40L. Do you have any CD40 Ab which has block function only between CD40 and CD40L, but not between CD11b and CD40L?
Unfortunately, none of our CD40 antibodies have been specifically tested for this application.
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