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相关概念视频

Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
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相关实验视频

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用于抗瘤治疗的 Sono-activatable 工程细菌

Yuanyuan Wang1, Fei Yan1

  • 1CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.

Cell reports. Medicine
|May 22, 2024
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概括
此摘要是机器生成的。

工程细菌提供了新的瘤治疗选择. 研究人员开发了超声波控制的细菌,以安全地将治疗剂直接输送到瘤中,提高治疗效率和安全性.

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科学领域:

  • 生物技术是生物技术.
  • 在瘤学瘤学.
  • 微生物学 微生物学

背景情况:

  • 细菌为癌症治疗提供了一个有希望的途径,因为它们能够选择性地殖民瘤微环境.
  • 然而,安全问题和不受控制的细菌活动阻碍了它们的临床转化.

研究的目的:

  • 为了设计细菌以控制瘤中治疗载荷的输送.
  • 通过外部控制机制提高细菌瘤治疗的安全性和有效性.

主要方法:

  • 在工程细菌中集成的可声激活基因电路的开发.
  • 使用超声波触发瘤内的局部生产和释放治疗剂.
  • 在体内测试超声波控制的细菌疗法.

主要成果:

  • 成功设计了具有超声响应基因电路的细菌.
  • 经过超声波刺激,证明了治疗性载荷的局部产生和释放.
  • 在临床前模型中,有证据表明治疗效果增强和安全性改善.

结论:

  • 超声波控制的工程细菌代表了向癌症治疗的重大进步.
  • 这种方法为利用细菌治疗瘤提供了更安全,更有效的方法.
  • 声波可激活的基因电路为细菌治疗功能提供了精确的空间和时间控制.