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P1530

Polyinosinic–polycytidylic acid sodium salt

10% Poly (I:C) with buffer salts, TLR ligand tested

Synonim(y):

Poly (I:C), Poly(I) • Poly(C)

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Rozmiar/SKUDostępnośćCena netto

Informacje o tej pozycji

Numer CAS:
UNSPSC Code:
41106305
NACRES:
NA.51
MDL number:
Assay:
(Free nucleotides NMT 1% (TLC))
Form:
lyophilized powder
Solubility:
H2O: 10 mg/mL
Storage temp.:
−20°C
Informacje o cenach i dostępności nie są obecnie dostępne.
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Quality Segment

assay

(Free nucleotides NMT 1% (TLC))

form

lyophilized powder

storage condition

desiccated

solubility

H2O: 10 mg/mL

storage temp.

−20°C

SMILES string

[Na].[P](=O)(OC[C@H]3O[C@H]([C@@H]([C@@H]3O)O)[n]4c5ncnc(c5nc4)O)(O)O.[P](=O)(OC[C@H]1O[C@H]([C@@H]([C@@H]1O)O)N2C=CC(=NC2=O)N)(O)O

InChI

1S/C10H13N4O8P.C9H14N3O8P.Na/c15-6-4(1-21-23(18,19)20)22-10(7(6)16)14-3-13-5-8(14)11-2-12-9(5)17;10-5-1-2-12(9(15)11-5)8-7(14)6(13)4(20-8)3-19-21(16,17)18;/h2-4,6-7,10,15-16H,1H2,(H,11,12,17)(H2,18,19,20);1-2,4,6-8,13-14H,3H2,(H2,10,11,15)(H2,16,17,18);/t

InChI key

GETQKWBYQAUFQM-VRQAYDGLSA-N

Application

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.

Biochem/physiol Actions

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.

Preparation Note

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.

Other Notes

Double-stranded homopolymer.
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P0913528906P9582
description

10% Poly (I:C) with buffer salts, TLR ligand tested

description

γ-irradiated, 10% Poly (I:C) with buffer salts, TLR ligand tested

description

Known to induce interferon production. Hypochromicity: ≥40% at 248 nm. Extinction coefficient = 5000 M-1cm-1 at 260 nm, pH 7.0.

description

10% Poly (I:C) with buffer salts, TLR ligand tested

Quality Level

300

Quality Level

300

Quality Level

100

Quality Level

300

form

lyophilized powder

form

lyophilized powder

form

powder

form

lyophilized powder

assay

(Free nucleotides NMT 1% (TLC))

assay

(Free nucleotides NMT 1% (TLC))

assay

≥99% (TLC)

assay

(Free nucleotides NMT 1% (TLC))

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

solubility

H2O: 10 mg/mL

solubility

H2O: 10 mg/mL

solubility

water: soluble, aqueous buffer: 10 mg/mL

solubility

-

storage condition

desiccated

storage condition

desiccated

storage condition

OK to freeze

storage condition

desiccated


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Klasa składowania

11 - Combustible Solids

Co się dzieje?

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

PPE (środki ochrony indywidualnej)

Eyeshields, Gloves, type N95 (US)



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Certyfikaty analizy (CoA)

Lot/Batch Number

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Questions

1–7 of 7 Questions  
  1. Is it possible to sterilise Poly I:C with with a 0.22 μm filter?

    1 answer
    1. Filter-sterilization is not recommended for Poly (I:C) solutions. Should a sterile Poly (I:C) solution be required, see product II3036, a sterile 10% solution. Please see the following link to review additional information available in the product datasheet:
      https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/112/503/p1530pis-ms.pdf

      Please see the link below to review the γ-irradiated 10% Poly (I:C) solution:
      https://www.sigmaaldrich.com/product/sigma/i3036

      Helpful?

  2. P1530 [Reconstitution may prove difficult, and require heating (50 °C) and cooling to achieve re-annealing] How long heating and cooling?

    1 answer
    1. No specific timing is recommended for heating and cooling. A gentle warming to 50 °C for a few minutes, followed by cooling to room temperature or as required in the experiment, is suggested.

      Helpful?

  3. Is this product tissue culture sterile?

    1 answer
    1. Product P1530 is not tissue culture sterile

      Helpful?

  4. What is the molecular weight of Polyinosinic-Polycytidylic acid Sodium Salt (P1530)?

    1 answer
    1. The Polyinosinic-Polycytidylic acid Sodium Salt (P1530) is a double-stranded homopolymer with variable molecular weights. The variable range has been observed at 400-1250 base pairs; however, this may vary from lot to lot.

      Helpful?

  5. What is the length of the poly(I).(C)?

    1 answer
    1. The product is a double-stranded homopolymer without a specified length. Historical data have shown a broad lot-to-lot variability with an approximate range of 200 - >1000 bp length.

      Helpful?

  6. What is the length of the Poly/I).poly(C)?

    1 answer
    1. The product is double-stranded homopolymer without specified length,. Historical data have shown broad lot to lot variability with an approximately range of 200 - >1000 bp in length.

      Helpful?

  7. Could you please elucidate about the purity of the compound and if its sutible for human use or GMP grade?

    1 answer
    1. The minimum purity specification for this item is 99%. However, this product it is not suitable for human use or GMP applications. Unless otherwise stated this product is intended for research use only and is not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Please see the link to below to review addtional information regarding our various quality levels:
      https://www.sigmaaldrich.com/US/en/life-science/quality-and-regulatory-management/m-clarity-program

      Helpful?

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