The acceleration of wound healing in primates by the local administration of immunostimulatory CpG oligonucleotides.

The acceleration of wound healing in primates by the local administration of immunostimulatory CpG oligonucleotides.
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DOI:
10.1016/j.biomaterials.2011.02.043
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发表时间:
2011-06
期刊:
影响因子:
14
通讯作者:
Klinman, Dennis M.
Klinman, Dennis M.
中科院分区:
工程技术1区
文献类型:
--
作者:
Yamamoto, Masaki;Sato, Takashi;Beren, Joel;Verthelyi, Daniela;Klinman, Dennis M.

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伤口愈合的过程涉及循环免疫细胞与局部上皮细胞和内皮细胞之间的复杂相互作用。在小鼠模型中的研究表明,通过Toll样受体(TLR)激活的先天免疫系统细胞可以加速伤口愈合。这项工作研究是否免疫刺激CpG寡脱氧核苷酸(ODN)设计触发人类免疫细胞通过TLR 9可以促进恒河猴切除皮肤活检的愈合。结果表明,“K”型CpG ODN显著促进非人灵长类动物伤口闭合(p < 0.05)。促成这一结果的是碱性成纤维细胞生长因子的产生和角质形成细胞迁移的CpG依赖性增加。令人感兴趣的是,通常存在于皮肤损伤部位的IL-1 α和TGF α促进了这些作用。目前的研究结果支持这样的结论,即局部施用CpG ODN可以提供加速人类伤口愈合的有效策略。
The process of wound healing involves complex interactions between circulating immune cells and local epithelial and endothelial cells. Studies in murine models indicate that cells of the innate immune system activated via their Toll-like receptors (TLR) can accelerate wound healing. This work examines whether immunostimulatory CpG oligodeoxynucleotides (ODN) designed to trigger human immune cells via TLR9 can promote the healing of excisional skin biopsies in rhesus macaques. Results indicate that ‘K’ type CpG ODN significantly accelerate wound closure in non-human primates (p < 0.05). Contributing to this outcome was a CpG-dependent increase in both the production of basic fibroblast growth factor and in keratinocyte migration. Of interest, IL-1a and TGFa normally present at sites of skin injury facilitated these effects. Current findings support the conclusion that the local administration of CpG ODN may provide an effective strategy for accelerating wound healing in humans.
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