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通过电活性纳米注射工程高效的CAR-T细胞.

Ali-Reza Shokouhi1,2, Yaping Chen1,2, Hao Zhe Yoh1,2

  • 1Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville, VIC, 3052, Australia.

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|July 12, 2023
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概括

一个新的电活性纳米注射 (ENI) 平台有效地设计了化学抗原受体 (CAR) -T细胞用于癌症治疗. 与传统技术相比,这种非病毒方法可以改善CAR基因传递和T细胞活力.

关键词:
在CAR-T细胞中.癌症免疫疗法免疫疗法纳米电波化技术的应用纳米针和纳米管是非病毒传染的非病毒传染.

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科学领域:

  • 细胞工程 细胞工程
  • 免疫治疗是一种免疫疗法.
  • 纳米技术 纳米技术

背景情况:

  • 化学抗原受体 (CAR) -T细胞疗法在治疗血液疾病和癌症方面表现有前途.
  • 传统的T细胞基因工程面临着低可行性和高成本等挑战.
  • 病毒方法和散装电穿孔 (BEP) 在效率和安全方面存在局限性.

研究的目的:

  • 为高效的CAR-T细胞工程开发一种新的非病毒平台.
  • 克服原始人类T细胞的现有基因传递方法的局限性.
  • 评估由新平台设计的CAR-T细胞的效率,可行性和功能.

主要方法:

  • 使用垂直配置的电活性纳米管开发一个电活性纳米注射 (ENI) 平台.
  • 使用ENI平台将CAR基因传递到人类T细胞中.
  • 在转染效率和细胞活力方面,ENI与散装电穿孔 (BEP) 的比较.
  • 评估CAR-T细胞对瘤细胞的细胞毒性.

主要成果:

  • 该ENI平台实现了高细胞活力 (>90%) 的T细胞中高效的CAR基因传递 (68.7%) 和表达 (43.3%).
  • 与BEP相比,ENI的CAR转染效率高出三倍 (43.3%与16.3%的GFP表达率相比).
  • 经ENI工程设计的CAR-T细胞对瘤细胞表现出显著的细胞毒性 (86.9%).

结论:

  • 该ENI平台提供了一种高效和最小干扰的方法来设计CAR-T电池.
  • 这种非病毒方法增强了CAR基因传递,并维持了T细胞的功能.
  • ENI平台在CAR-T细胞疗法和其他免疫疗法中具有显著的ex vivo细胞工程潜力.