Revision 1

#61401Store at -20C

25 mg

Cell Signaling Technology

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For Research Use Only. Not for Use in Diagnostic Procedures.

Background

Poly(I:C) Sodium Salt, also known as polyinosinic-polycytidylic acid sodium salt, is a synthetic analog to double-stranded RNA (dsRNA) and potent activator of Toll-like receptor 3 (TLR3). The Toll-like receptor (TLR) family plays an important role in the innate immune response (1). TLR3 functions as a receptor for dsRNA typically associated with viral infection (2). Binding of dsRNA, or the analog Poly(I:C), to TLR3 triggers activation of transcription factors NF-κB and IRF3 through the adaptor protein TICAM-1/TRIF (3,4). Studies have shown that combination treatment with Poly(I:C) can increase vaccine immunogenicity against viral and cancerous diseases (5,6).

  1. Alexopoulou, L. et al. (2001) Nature 413, 732-8.
  2. Medzhitov, R. et al. (1997) Nature 388, 394-7.
  3. Horng, T. et al. (2001) Nat Immunol 2, 835-41.
  4. Oshiumi, H. et al. (2003) Nat Immunol 4, 161-7.
  5. Liu, C. et al. (2018) Hum Vaccin Immunother 14, 931-40.
  6. Zhou, C.X. et al. (2014) BMC Vet Res 10, 2.

Purity

>98%

CAS

42424-50-0

Solubility

Soluble in water at 10 mg/ml with warming.

Storage

Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC. Aliquot to avoid multiple freeze/thaw cycles.

Directions for Use

Poly(I:C) Sodium Salt is supplied as a lyophilized powder. To prevent denaturation, reconstitute in water containing physiological salt concentrations. Working concentrations and length of treatment can vary depending on the desired effect.

Background References

    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

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    Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.
    XP is a registered trademark of Cell Signaling Technology, Inc.
    All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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    Revision 1
    #61401

    Poly(I:C) Sodium Salt

    Poly(I:C) Sodium Salt: Image 1 Expand Image
    使用 Phospho-IRF-3 (Ser396) (4D4G) Rabbit mAb #4947(上图)、IRF-3 (D6I4C) XP® Rabbit mAb #11904(中图)或 β-Tubulin (D2N5G) Rabbit mAb #15115(下图)对用 TPA (12-O-Tetradecanoylphorbol-13-Acetate) #4174(80 nM,18 小时)分化,随后不转染 (-) 或转染 Poly(I:C) 钠盐(5 ug/mL,6 小时;+)的 THP-1 细胞的提取物进行蛋白印迹分析。