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工程细胞衍生纳米纤维用于有针对性的免疫调节.

Adil Ali Sayyed1, Piyush Gondaliya1, Irene K Yan1

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概括
此摘要是机器生成的。

细胞衍生纳米囊 (CDNVs) 为药物输送提供了细胞外囊 (EVs) 的有希望的替代品. 这些工程纳米纤维显示出更高的产量,增强的负载能力和强大的免疫调节能力用于治疗应用.

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对于RNA疗法来说,它是非常重要的.生物纳米粒子生物纳米粒子来自细胞的纳米微粒.免疫疗法 免疫疗法有针对性的交付目标.

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科学领域:

  • 生物技术和纳米医学
  • 细胞生物学和再生医学
  • 免疫学和癌症治疗疗法

背景情况:

  • 细胞外囊泡 (EVs) 已被探索用于向药物输送,但其生产产量较低.
  • 通过重组细胞膜来制造的细胞衍生纳米纤维 (CDNVs) 是天然EVs的潜在替代品.
  • 介酶干细胞是产生具有治疗潜力的CDNV的可行来源.

研究的目的:

  • 为了评估从介质干细胞衍生出的CDNVs作为药物输送中的EVs的替代品.
  • 描述CDNV的蛋白质组合,毒性和载荷能力.
  • 为了证明CDNVs在癌症治疗中的工程免疫调节潜力.

主要方法:

  • 通过挤出方法,CDNVs从介质细胞干细胞中产生.
  • 进行了蛋白质组分析,体外基于细胞的测定 (增殖,DNA损伤,氧化产生) 和体内发育毒性研究.
  • 评估了RNA和蛋白质加载效率,并进行了表面蛋白质工程 (PD1表达).

主要成果:

  • 与EV相比,CDNV的产量更高,蛋白质成分更广泛.
  • 实验室和体内研究表明,与CDNVs相关的有害影响或毒性没有发现.
  • 将RNA和蛋白质有效地加载到CDNV中,以及成功地进行了表面蛋白质工程.
  • 具有增强PD1表达的工程CDNV显示出免疫调节效应,包括增强NK和T细胞降粒和增加瘤细胞死亡.

结论:

  • CDNV是天然电动汽车的可行,高收益的替代品,具有良好的安全性.
  • CDNV可以有效地装载治疗有效载荷,并为增强功能进行工程设计.
  • 工程CDNV显示了通过增强免疫调节对向药物输送和癌症免疫治疗的重大承诺.