Multilayer polypeptide nanoscale coatings incorporating IL-12 for the prevention of biomedical device-associated infections.

Multilayer polypeptide nanoscale coatings incorporating IL-12 for the prevention of biomedical device-associated infections.
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DOI:
10.1016/j.biomaterials.2009.01.042
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发表时间:
2009-05
期刊:
影响因子:
14
通讯作者:
Lindsey, Brock A.
Lindsey, Brock A.
中科院分区:
工程技术1区
文献类型:
--
作者:
Li, Bingyun;Jiang, Bingbing;Boyce, Brandon M.;Lindsey, Brock A.

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生物医疗器械相关感染是全球数百万患者面临的最常见和最棘手的并发症之一。目前的抗生素治疗策略面临挑战,其中最严重的是抗生素耐药性。研究表明,在严重损伤后,全身白细胞介素12(IL-12)水平降低,导致细胞介导的免疫应答降低。在这里,我们报告的发展IL-12纳米涂层使用静电层层自组装纳米技术。我们发现植入物/组织界面处的IL-12纳米级涂层大大减少了体内感染,并且IL-12纳米级涂层比传统治疗更有优势。这种方法可能是使用非抗生素方法预防器械相关感染的革命性一步。
Biomedical device-associated infection is one of the most common and problematic complications faced by millions of patients worldwide. The current antibiotic therapy strategies face challenges, the most serious of which is antibiotic resistance. Studies have shown that the systemic level of interleukin 12 (IL-12) decreases following major injuries resulting in decreased cell-mediated immune response. Here we report the development of IL-12 nanoscale coatings using electrostatic layer-by-layer self-assembly nanotechnology. We found that IL-12 nanoscale coatings at the implant/tissue interface substantially decrease infections in vivo, and IL-12 nanoscale coatings are advantageous over traditional treatments. This approach could be a revolutionary step toward preventing device-associated infections using a non-antibiotic approach.
重组白介素12治愈感染了利什曼原虫大调的小鼠。
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