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CD40 Monoclonal Antibody (LOB7/6), Invitrogen™

Mouse Monoclonal Antibody

Supplier:  Thermo Scientific MA180926

Catalog No. PIMA180926

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This product requires protein digestion pre-treatment of paraffin sections using trypsin or pronase. A suggested positive control for immunohistochemical applications is human tonsil. For FACS analysis, use 10 µL of the suggested working dilution to label 1x10^6 cells in 100 µL. Mouse anti Human CD40 antibody, clone LOB7/6 recognizes the human CD40 cell surface antigen, a 48kDa glycoprotein expressed by B lymphocytes and weakly by some monocytes.

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.


1 mg/mL
Bp50, CDW40, MGC9013, TNFRSF5, p50
Protein A
403469, 958
4°C or -20°C if preferred
Flow Cytometry, Immunohistochemistry (Frozen), Immunohistochemistry (Paraffin), Immunoprecipitation
Q7YRL5, P25942
CD40 Ig(Fc) fusion protein containing the EC region of human CD40 and Fc region of human IgG
200 μg
Canine, Human


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