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Key Documents

P1530

Sigma-Aldrich

Polyinosinic–polycytidylic acid sodium salt

TLR ligand tested

Sinonimo/i:

Poly (I:C), Poly(I) • Poly(C)

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About This Item

Numero CAS:
Numero MDL:
Codice UNSPSC:
41106305
NACRES:
NA.51

Livello qualitativo

Saggio

≥99% (less than 1% free nucleotides, TLC)

Forma fisica

lyophilized powder

Condizioni di stoccaggio

desiccated

Solubilità

H2O: 10 mg/mL

Temperatura di conservazione

−20°C

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Applicazioni

TLR3 recognizes double-stranded RNA and is a major effector of the immune response against viral pathogens. Polyinosinic–polycytidylic acid (Poly(I) • Poly(C)) is a double-stranded homopolymer used as a model RNA to study cell signaling at the level of TLR3. Poly(IC) is a TRIF-dependent toll-like receptor-3 (TLR3) ligand.

Azioni biochim/fisiol

Transfection of Poly (I:C) into NIT-1 cells has been used as a model of intracellular dsRNA-induced β cell apoptosis. Eighteen hours post transfection, 45% of the cells were apoptotic with an increase in NF-kB, p50/p65 nuclear translocation, and cleavage of caspases 3 and 8, as well as transcriptional induction of caspase 12, Fas, IL-15, and the TNF receptor-associated ligand (TRAIL). It has been suggested that Poly(I:C) is one of the most appropriate generators of stable mature dendritic cells (DC). These mature DC might generate in vivo effective immune responses after injection due to their ability to secrete bioactive IL-12 after CD40 ligation. Poly (I:C) was used as a potent adjuvant to enhance the specific anti-tumor immune responses against a peptide-based vaccine.

Altre note

Double-stranded homopolymer.

Nota sulla preparazione

The product requires ionic strength to maintain the double-strand structure. To prevent denaturation, reconstitute in solutions with physiological salt concentrations (e.g., saline solution). Reconstitution may require heating (50 °C) and cooling to achieve re-annealing.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


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Garima Garg et al.
Cell reports, 26(7), 1854-1868 (2019-02-14)
Foxp3+ regulatory T (Treg) cells restrict immune pathology in inflamed tissues; however, an inflammatory environment presents a threat to Treg cell identity and function. Here, we establish a transcriptional signature of central nervous system (CNS) Treg cells that accumulate during
Baohong Wu et al.
Signal transduction and targeted therapy, 4, 11-11 (2019-05-03)
UTX (also known as KDM6A), a histone 3 lysine 27 demethylase, is among the most frequently mutated epigenetic regulators in myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML). Recent studies have suggested that UTX mutations promote MDS and AML by
Fei Yuan et al.
Antiviral research, 147, 1-10 (2017-05-04)
The present study is focused on investigating the immunoprotective effects of CpG-ODN/Poly(I:C) combined with the viral glycoprotein gp90 protein against reticuloendotheliosis virus (REV) infection in chickens. REV's gp90 gene was amplified from the REV-infected cells and expressed in Escherichia coli
Svenja Fritzlar et al.
mBio, 10(3) (2019-06-20)
The integrated stress response (ISR) is a cellular response system activated upon different types of stresses, including viral infection, to restore cellular homeostasis. However, many viruses manipulate this response for their own advantage. In this study, we investigated the association
Anutosh Paria et al.
Developmental and comparative immunology, 78, 71-82 (2017-09-19)
MDA5 is the pivotal member of the retinoic acid-inducible gene I (RIG-I)-like receptors (RLRs) and is reported to play a crucial role in type I IFN-mediated responses against pathogen-associated molecular patterns (PAMPs), especially nucleic acids. In this study, we have

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