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首页> 外文期刊>Journal of endotoxin research >Comparison of CpG s-ODNs, chromatin immune complexes, and dsDNA fragment immune complexes in the TLR9-dependent activation of rheumatoid factor B cells.
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Comparison of CpG s-ODNs, chromatin immune complexes, and dsDNA fragment immune complexes in the TLR9-dependent activation of rheumatoid factor B cells.

机译:CpG s-ODNs,染色质免疫复合物和dsDNA片段免疫复合物在类风湿因子B细胞TLR9依赖性激活中的比较。

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摘要

Synthetic single-stranded oligodeoxynucleotides (15-30 bp) containing CpG motifs and phosphorothioate backbones (CpG s-ODN), immune complexes consisting of anti-nucleosome mAbs and mammalian chromatin (chromatin IC), and immune complexes consisting of anti-hapten mAbs and haptenated-double stranded DNA fragments ( approximately 600 bp) can all effectively stimulate transgenic B cells expressing a rheumatoid factor receptor by a TLR9-dependent process. However, differential sensitivity to both s-ODN and small molecule inhibitors suggests that stimulatory CpG sODN and chromatin IC may either access TLR9 via different routes or depend on discrete activation parameters. These data have important implications regarding the therapeutic application of TLR9 inhibitors to the treatment of systemic autoimmune diseases.
机译:包含CpG基序和硫代磷酸酯骨架(CpG s-ODN)的合成单链寡脱氧核苷酸(15-30 bp),由抗核小体mAb和哺乳动物染色质组成的免疫复合物(染色质IC)以及由抗半抗原mAb和半双链DNA片段(约600 bp)可以通过TLR9依赖性过程有效刺激表达类风湿因子受体的转基因B细胞。但是,对s-ODN和小分子抑制剂的敏感性不同,表明刺激性CpG sODN和染色质IC可能通过不同的途径进入TLR9,或者取决于离散的激活参数。这些数据对于TLR9抑制剂在全身性自身免疫性疾病的治疗中的应用具有重要意义。

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