ODN 1585 (Type A) Endotoxin-free (sterile)

ODN 1585 (Type A) Endotoxin-free (sterile)
Artikelnummer Größe Datenblatt Manual SDB Lieferzeit Menge Preis
IAX-200-003-C100 100 µg -

3 - 9 Werktage

125,00 €
IAX-200-003-M001 1 mg - -

3 - 9 Werktage

443,00 €
IAX-200-003-3001 3 mg -

3 - 9 Werktage

1.057,00 €
Optimal concentration is dependent upon cell type, species, desired activation and analysis: in... mehr
Produktinformationen "ODN 1585 (Type A) Endotoxin-free (sterile)"
Optimal concentration is dependent upon cell type, species, desired activation and analysis: in vitro 0.1-1 µM (~0.6-6.0 µg/ml), in vivo 50-250 µg in rodent animal models. Negative control: GpC ODN 2218 (Cat. No.: IAX-200-203). Unmethylated CG dinucleotides within particular sequence contexts are responsible for the immunostimulatory activity of bacterial DNA. Synthetic oligonucleotides (ODN) that contain such CpG motifs (CpG ODNs) mimic microbial DNA. The innate immune system of vertebrates has the ability to recognize CpG motifs in microbial DNA via the Toll-like receptor (TLR) 9 if the CpG ODN were free of additional immune stimulatory contaminants often present in synthetic commercial CpG ODN preparations designed for molecular biology applications (i.e. PCR). Given that high quality CpG ODNs were used [i.e. endotoxin-free], a close link has been established between the expression of TLR9 on certain immune cell subsets and the modulation of the immune system by CpG DNA. Different types of CpG ODNs were identified based on their differing biological effects on different cell types: ODN Type A is a potent inducer of IFN-alpha in human PDC, (i.e. ODN 1585 or 2216) leading to antigen presenting cell (APC) maturation, whereas ODN Type B (i.e. ODN 2006 or ODN 1668 / ODN 1826) is a weak inducer of IFN-alpha but rather stimulates IL-8 production and increasing costimulatory and Ag-presenting molecules and triggers proliferation of B-cells and IgM and IL-6 production. A third type of CpG ODN has been identified, termed ODN Type C, with both high induction of IFN-alpha in PDC and activation of B-cells. The sequence of CpG Type C (also called K) (i.e. ODN 2395 or M362) combines elements of both Type A and Type B and contains a central palindromic sequence with CG dinucleotides, a characteristic feature of Type A, and a TCGTCG motif at the 5' end, present in Type B CpG ODNs. Although the CpG motifs are thought to differ between mice and humans, in both species the recognition of CpG ODNs is mediated by TLR9. The optimal CpG motif in humans is GTCGTT and GACGTT for the murine sequence. However, recent evidence suggests that this sequence specificity is restricted to phosphorothioate (PS)-modified ODN and is not observed when a natural phosphodiester backbone is used. In recent years sequence requirements, specificity, signaling pathways and kinetics of the TLR9 suppression by inhibitory ODNs (iODNs) have been investigated.
Schlagworte: CpG ODN TLR9 Agonist: A Type (species: rodent)
Hersteller: Innaxon
Hersteller-Nr: IAX-200-003-M001


Anwendung: TLR9 activator
MW: 6643 D
Reinheit: >99.9%
Format: Purified

Datenbank Information

KEGG ID : K10161 | Finde Alternativen

Handhabung & Sicherheit

Lagerung: +4°C
Versand: +20°C (International: +20°C)
Nur für Forschungszwecke und Laboruntersuchungen: Nicht für die Anwendung im oder am Menschen!
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