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Non-CpG DNA, Rabbit, BioGenomics(TM)

Cat no: C7905-88


Supplier: United States Biological
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ODN 2041 is a prototype of non-CpG oligodeoxynucleotides (ODN) that is not able to stimulate rabbit PBMC in vitro. The vertebrate immune system has evolved innate immune defense pattern recognition receptors (PRRs) that detect unmethylated cytosine-phosphate-guanine (CpG) motifs within bacterial DNA. Cellular activation by CpG motifs occurs via the Toll signal pathway. The Toll-like receptor-9 (TLR9, CD289) appears to be a major component of the CpG-DNA receptor, acting by direct binding to CpG-DNA, which triggers the induction of cell signaling pathways including the mitogen activated protein kinase (MAPKs) and NFkB, leading to stimulation of various cells of the immune system. The human TLR9 is expressed in B cells and plasmacytoid dendritic cells (PDC). Mice also express TLR9 in the myeloid compartment. Optimal sequences for activating TLR9 vary among species. Synthetic ODN contain CpG-DNA motifs mimicking the immunostimulatory effects of bacterial DNA and can, therefore, be used as immunoprotective agents, vaccine adjuvants and anti-allergic agents. CpG ODN also affects immune tolerance and autoimmunity. Different classes of CpG ODN are characterized each with distinct effects on the immune response: CpG-A (
Catalogue number: C7905-88
Applications: ELISA
Size: 200nmol
Form: Supplied as a lyophilized powder. Endotoxin levels are undetectable. Reconstitute with sterile ddH2O.
Purity: Purified
References: 1. Krieg, A; CpG motifs in bacterial DNA and their immune effects. Annu Rev Immunol 2002, 20: 709 2. Ioannou, X et al; Safety and efficacy of CpG-containing oligodeoxynucleotides as immunological adjuvants in rabbits. Vaccine 2003, 21: 4368

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