Product Pathways - Lymphocyte Signaling
IDO (D5J4E™) Rabbit mAb (PE Conjugate) #10312
|10312S||100 µl ( 50 tests )||￥4,060.00||现货查询 购买询价 防伪查询|
|10312||carrier free & custom formulation / quantity||email request|
Species cross-reactivity is determined by western blot.
Applications Key: F=Flow Cytometry,
Specificity / Sensitivity
IDO (D5J4E) Rabbit mAb (PE Conjugate) recognizes endogenous levels of total IDO protein. Some nonspecific staining of normal breast epithelium has been observed.
Source / Purification
Monoclonal antibody is produced by immunizing animals with recombinant human IDO protein.
This Cell Signaling Technology antibody is conjugated to phycoerythrin (PE) and tested in-house for direct flow cytometry analysis in human cells. This antibody is expected to exhibit the same species cross-reactivity as the unconjugated IDO (D5J4E) Rabbit mAb #86630.
INDO/IDO1/indoleamine 2,3-dioxygenase (IDO) is an IFN-γ-inducible enzyme that catalyzes the rate-limiting step of tryptophan degradation (1). IDO is upregulated in many tumors and in dendritic cells in tumor-draining lymph nodes. Elevated tryptophan catabolism in these cells leads to tryptophan starvation of T cells, limiting T cell proliferation and activation (2). Therefore, IDO is considered an immunosuppresive molecule, and research studies have shown that upregulation of IDO is a mechanism of cancer immune evasion (3). The gastrointestinal stromal tumor drug, imatinib, was found to act, in part, by reducing IDO expression, resulting in increased CD8+ T cell activation and induction of apoptosis in regulatory T cells (4). In addition to its enzymatic activity, IDO was recently shown to have signaling capability through an immunoreceptor tyrosine-based inhibitory motif (ITIM) that is phosphorylated by Fyn in response to TGF-β. This leads to recruitment of SHP-1 and activation of the noncanonical NF-κB pathway (5).
- Yasui, H. et al. (1986) Proc Natl Acad Sci U S A 83, 6622-6.
- Mellor, A.L. et al. (2003) Adv Exp Med Biol 527, 27-35.
- Prendergast, G.C. (2008) Oncogene 27, 3889-900.
- Balachandran, V.P. et al. (2011) Nat Med 17, 1094-100.
- Pallotta, M.T. et al. (2011) Nat Immunol 12, 870-8.
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For Research Use Only. Not For Use In Diagnostic Procedures.
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
Cell Signaling Technology® is a trademark of Cell Signaling Technology, Inc.
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