WB, IHC-Bond, IHC-P
H
Endogenous
75
Rabbit IgG
#Q7Z7D3
79679
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| IHC Leica Bond | 1:200 |
| Immunohistochemistry (Paraffin) | 1:200 |
Storage
For a carrier free (BSA and azide free) version of this product see product #17188.
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala141 of human B7-H4 protein.
Background
B7 homolog 4 (B7-H4, VTCN1) is a member of the B7 family of cell surface ligands that regulate T cell activation and immune responses (1-3). B7-H4 protein contains two extracellular Ig-like V-type domains, a transmembrane domain, and a short, two amino acid intracellular domain (3). The B7-H4 protein is shown to inhibit T cell activation, proliferation, and cytokine production (1,4,5). Although B7-H4 mRNA is widely expressed, B7-H4 protein is restricted to antigen presenting cells and B cells (1). The B7-H4 protein is also found in several tumor types, including ovarian cancer and breast cancer (6). Research studies indicate that B7-H4 protein is present on the surface of ovarian tumor cells, and that targeted inhibition of B7-H4 using recombinant antibodies restores T cell activation pathways. These studies suggest some potential therapeutic value in blocking B7-H4 function and restoring T cell function in cancer patients (7,8).
- Sica, G.L. et al. (2003) Immunity 18, 849-61.
- Prasad, D.V. et al. (2003) Immunity 18, 863-73.
- Zang, X. et al. (2003) Proc Natl Acad Sci U S A 100, 10388-92.
- He, C. et al. (2011) Clin Dev Immunol 2011, 695834.
- Yi, K.H. and Chen, L. (2009) Immunol Rev 229, 145-51.
- Salceda, S. et al. (2005) Exp Cell Res 306, 128-41.
- Dangaj, D. and Scholler, N. (2013) Oncoimmunology 2, e25913.
- Dangaj, D. et al. (2013) Cancer Res 73, 4820-9.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting IHC-Bond: IHC Leica Bond IHC-P: Immunohistochemistry (Paraffin)
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
Limited Uses
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