#P29597
7297
Product Information
Product Usage Information
CST recommends transfection with 100 nM SignalSilence® Tyk2 siRNA I 48 to 72 hours prior to cell lysis. For transfection procedure, follow the protocol provided by the transfection reagent manufacturer. Please feel free to contact CST with any questions on use.
Each vial contains the equivalent of 100 transfections, which corresponds to a final siRNA concentration of 100 nM per transfection in a 24-well plate with a total volume of 300 μl per well.
Storage
Specificity / Sensitivity
Species Reactivity:
Human
Species predicted to react based on 100% sequence homology
The antigen sequence used to produce this antibody shares
100% sequence homology with the species listed here, but
reactivity has not been tested or confirmed to work by CST.
Use of this product with these species is not covered under
our
Product Performance Guarantee.
Mouse
Product Description
Background
Tyk2 is a member of the Jak family of protein tyrosine kinases. It associates with and is activated by receptors for many cytokines including IL-13, the IL-6 family, IL-10, and IFN-α and β (1-3). Following ligand binding, Tyk2 is activated by phosphorylation of Tyr1054 and/or Tyr1055 (4). Tyk2 is required for the tyrosine phosphorylation of Stat3 in the IFN-β signaling cascade (5).
The role of Tyk2 in immune regulation and pathological signaificance has been extensively studied (reviewed in 6). Tyk2 knockout mice display increased sensitivity to infection and defective tumor surveillance, but only a partial effect on Type I IFN signaling (7,8). In contrast, a human patient diagnosed with hyper-IgE syndrome having increased susceptibility to various microorganisms was found to have a homozygous mutation of Tyk2 (9). These studies suggest a more critical role of Tyk2 in humans with regards to Type I IFN signaling as well as other cytokines including IL-23, IL-6, and IL-10.
- Velazquez, L. et al. (1995) J. Biol. Chem. 270, 3327-34.
- Stahl, N. et al. (1994) Science 263, 92-5.
- Leonard, W.J. (1998) Annu. Rev. Immunol. 16, 293-322.
- Gauzzi, M.C. et al. (1996) J Biol Chem 271, 20494-500.
- Rani, M.R. et al. (1999) J. Biol. Chem. 274, 32507-11.
- Strobl, B. et al. (2011) Front Biosci (Landmark Ed) 16, 3214-32.
- Karaghiosoff, M. et al. (2000) Immunity 13, 549-60.
- Shimoda, K. et al. (2000) Immunity 13, 561-71.
- Minegishi, Y. et al. (2006) Immunity 25, 745-55.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
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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