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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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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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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.
There are several types of targeted therapies against...
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Combination Therapies and Personalized Medicine02:50

Combination Therapies and Personalized Medicine

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Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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相关实验视频

Updated: Jun 24, 2025

Bioluminescent Bacterial Imaging In Vivo
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Bioluminescent Bacterial Imaging In Vivo

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利用细菌进行癌症免疫治疗.

Seong-Young Kwon1,2, Hien Thi-Thu Ngo1,3,4, Jinbae Son5

  • 1Institute for Molecular Imaging and Theranostics, Chonnam National University Medical School, Jeonnam, Republic of Korea.

Nature reviews. Clinical oncology
|June 5, 2024
PubMed
概括

利用内瘤细菌的力量,为癌症免疫疗法提供了一种新的方法. 设计这些微生物有望克服目前的治疗局限性并改善患者的治疗结果.

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科学领域:

  • 在瘤学瘤学.
  • 微生物学 微生物学
  • 免疫治疗是一种免疫疗法.

背景情况:

  • 免疫疗法已经改变了癌症治疗,但面临着抗药性和毒性等挑战.
  • 人类微生物群和癌症之间的联系有着古老的根源,内瘤细菌在癌症的发展和治疗中发挥着关键作用.
  • 内细菌可以通过修改瘤微环境来影响癌症生长.

研究的目的:

  • 检查瘤内细菌的特征及其与瘤微环境的相互作用.
  • 探索设计细菌作为癌症免疫治疗剂的策略.
  • 总结基于细菌的癌症治疗的临床试验数据.

主要方法:

  • 对内细菌及其治疗应用的临床前和临床研究的综述.
  • 对癌症免疫治疗的细菌工程策略的分析.
  • 从已完成和正在进行的临床试验中综合数据.

主要成果:

  • 瘤内细菌在瘤微环境中表现出复杂的相互作用,影响癌症病变和治疗反应.
  • 在工程细菌用于癌症免疫治疗方面取得了显著的临床前进展.
  • 几种基于细菌的疗法已经进入临床试验,证明了可行性和潜力.

结论:

  • 细菌具有巨大的潜力,可以通过将古代观测与现代科学创新相结合,彻底改变癌症治疗.
  • 工程细菌为解决当前癌症免疫疗法的局限性提供了一个有希望的途径,包括响应率和耐药性.
  • 进一步研究和基于细菌的策略的临床开发可能会改变癌症治疗的格局.