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ODN 4084-F

ODN 4084-F Unit size Cat. code Docs Qty Price
Class B inhibitory ODN
200 µg
tlrl-4084
+-
$173.00

TLR9 Antagonist - Class B inhibitory ODN

Toll-Like Receptor 9 (TLR9) detects unmethylated CpG dinucleotides in bacterial or viral DNA inducing strong immunostimulatory effects.

TLR9 activation can be mimicked by synthetic phosphorothioate-stabilized oligodeoxynucleotides (ODN) containing immune stimulatory “CpG motifs”.

Recent studies suggest the existence of DNA sequences that can neutralize the stimulatory effect of CpG ODNs.

ODN 4084-F belongs to a new class of inhibitory ODNs [1-2]. It contains an inhibitory DNA motif consisting of two nucleotide triplets, a proximal CCT and a more distal GGG, spaced from each other by four nucleotides.

ODN 4084-F is the shortest active inhibitory ODN. ODN 4084-F is linear and a class B (‘broadly-active') inhibitory ODN. ODN 4084-F is potent inhibitor of TLR9-induced B cells and macrophages [3].

 

1. Lenert P. et al., 2003. Structural characterization of the inhibitory DNA motif for the type A (D)-CpG-induced cytokine secretion and NK-cell lytic activity in mouse spleen cells. DNA Cell Biol. 22(10):621-31.
2. Lenert PS., 2006. Targeting Toll-like receptor signaling in plasmacytoid dendritic cells and autoreactive B cells as a therapy for lupus.Arthritis Res Ther. 8(1):203.
3. Lenert P. et al., 2009. DNA-like class R inhibitory oligonucleotides (INH-ODNs) preferentially block autoantigen-induced B-cell and dendritic cell activation in vitro and autoantibody production in lupus-prone MRLFas (lpr/lpr) mice in vivo. Arthritis Res Ther. 11(3):R79.

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Specifications

Specificity: Class B inhibitory ODN

Working concentration: 100 nM - 10 µM

Solubility:  2 mg/ml in water

ODN 4084-F sequence
5’- cctggatgggaa -3’
Note: Bases are phosphorothioate (nuclease resistant).

Quality control:

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Contents

  • 200 μg (51 nmol) lyophilized ODN 4084-F
  • 1.5 ml endotoxin-free water

room temperature ODN 4084-F is shipped at room temperature.

store Upon receipt, store at -20 °C.

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Citations

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