定制树枝状脂肽纳米平台的生物仿生表面属性,以延长流通时间。

IF 4.2 2区 医学 Q2 MEDICINE, RESEARCH & EXPERIMENTAL Nanomedicine : nanotechnology, biology, and medicine Pub Date : 2023-12-03 DOI:10.1016/j.nano.2023.102726
Jingjing Wei MSc , Yin Zhou MSc , Yiyan He PhD , Wentao Zhao MSc , Zhiqiang Luo PhD , Jian Yang PhD , Hongli Mao PhD , Zhongwei Gu MSc (Professor)
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引用次数: 0

摘要

人们迫切要求采用创新方法来创建具有更高的药物负荷和更长的循环时间的给药系统,这促使人们做出了许多努力,取得了一些成功,但也存在一些限制。我们的研究提出利用具有精确平衡的对立电荷的树枝状脂肽来延长仿生纳米平台在血液中的停留时间。中性混合电荷的齐聚物纳米颗粒(NNPs)的辛伐他汀载量达到了显著的 19%,并且在 4 °C 下储存一个月后仍保持稳定。这些纳米平台在 NIH-3T3 和 L02 细胞中的细胞毒性很低,通过表面水合作用,正负电荷源的溶血率(95%)可忽略不计。与带正电荷的 CNPs 相比,NNPs 使 BMDMs 的吞噬率降低了 86%,从而突显了其功效。重要的是,与 CNPs 和游离辛伐他汀相比,NNPs 的循环时间更长。这些发现凸显了这种生物仿生纳米平台在未来治疗应用中的潜力,它具有更强的药物负载和循环特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Customizing biomimetic surface attributes of dendritic lipopeptide nanoplatforms for extended circulation

The pressing demand for innovative approaches to create delivery systems with heightened drug loading and prolonged circulation has spurred numerous efforts, yielding some successes but accompanied by constraints. Our study proposes employing dendritic lipopeptide with precisely balanced opposing charges to extend blood residency for biomimetic nanoplatforms. Neutrally mixed-charged zwitterionic nanoparticles (NNPs) achieved a notable 19 % simvastatin loading content and kept stable even after one-month storage at 4 °C. These nanoplatforms demonstrated low cytotoxicity in NIH-3T3 and L02 cells and negligible hemolysis (<5 %). NNPs inhibited protein adhesion (>95 %) from positively and negatively charged sources through surface hydration. In comparison to positively charged CNPs, NNPs demonstrated an 86 % decrease in phagocytic rate by BMDMs, highlighting their efficacy. Importantly, NNPs showed prolonged circulation compared to CNPs and free simvastatin. These findings highlight the potential of this biomimetic nanoplatform for future therapeutic applications with enhanced drug loading and circulation traits.

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来源期刊
CiteScore
11.10
自引率
0.00%
发文量
133
审稿时长
42 days
期刊介绍: The mission of Nanomedicine: Nanotechnology, Biology, and Medicine (Nanomedicine: NBM) is to promote the emerging interdisciplinary field of nanomedicine. Nanomedicine: NBM is an international, peer-reviewed journal presenting novel, significant, and interdisciplinary theoretical and experimental results related to nanoscience and nanotechnology in the life and health sciences. Content includes basic, translational, and clinical research addressing diagnosis, treatment, monitoring, prediction, and prevention of diseases.
期刊最新文献
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