WB, IP
H
Endogenous
72
Rabbit IgG
#Q03519
6891
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val485 of human TAP2 protein.
Background
CD8+ cytotoxic T cells recognize peptides presented by MHC class I molecules on the surface of infected cells and tumor cells. The transporters associated with antigen processing 1 and 2 (TAP1 and TAP2) form the TAP complex which resides on the ER membrane and transports peptides from the cytoplasm into the ER for loading onto MHC class I molecules (1-8). In addition, TAP localized to endosomal membranes is important for cross-presentation by dendritic cells (9,10). IFN-γ produced by T cells and NK cells in response to infection causes upregulation of TAP1 and TAP2, resulting in increased antigen presentation to T cells (11). Some viral proteins inhibit TAP function or downregulate TAP expression resulting in viral immune evasion (12,13). In addition, investigators have observed reduced TAP expression in a variety of tumor types, and it is thought to be one mechanism for tumor immune evasion (14).
- Trowsdale, J. et al. (1990) Nature 348, 741-4.
- Spies, T. et al. (1990) Nature 348, 744-7.
- Deverson, E.V. et al. (1990) Nature 348, 738-41.
- Monaco, J.J. et al. (1990) Science 250, 1723-6.
- Spies, T. and DeMars, R. (1991) Nature 351, 323-4.
- Kleijmeer, M.J. et al. (1992) Nature 357, 342-4.
- Kelly, A. et al. (1992) Nature 355, 641-4.
- Spies, T. et al. (1992) Nature 355, 644-6.
- Huang, A.Y. et al. (1996) Immunity 4, 349-55.
- Guermonprez, P. et al. (2003) Nature 425, 397-402.
- Bahram, S. et al. (1991) Proc Natl Acad Sci U S A 88, 10094-8.
- Früh, K. et al. (1995) Nature 375, 415-8.
- Bennett, E.M. et al. (1999) J Immunol 162, 5049-52.
- Steer, H.J. et al. (2010) Oncogene 29, 6301-13.
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 IP: Immunoprecipitation
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
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