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相关概念视频

Tumor Immunotherapy01:27

Tumor Immunotherapy

664
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 Therapies02:49

Cancer Therapies

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Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
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The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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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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Microorganisms in Medicine and Therapeutics01:29

Microorganisms in Medicine and Therapeutics

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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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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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相关实验视频

Updated: Sep 14, 2025

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
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瘤解毒性病毒疗法和瘤微环境调制

Sebastián Rivera-Orellana1, Jhommara Bautista1,2,3, David Palacios-Zavala1

  • 1Cancer Research Group (CRG), Faculty of Medicine, Universidad de Las Américas, Quito, Ecuador.

Clinical and experimental medicine
|July 20, 2025
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概括

瘤病毒 (OVs) 正在通过直接杀死瘤和重新编程瘤微环境 (TME) 来促进免疫反应来彻底改变癌症治疗. 组合疗法和病毒工程是克服耐药性和改善结果的关键.

关键词:
寒冷的瘤是一个冷的瘤.热瘤是一个热瘤.瘤治疗性病毒疗法瘤微环境是一个微环境.病毒 病毒 病毒

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科学领域:

  • 瘤治疗性病毒疗法
  • 癌症免疫学 癌症免疫学
  • 瘤微环境调制

背景情况:

  • 瘤病毒 (OVs) 在瘤微环境 (TME) 中提供向癌细胞溶解和免疫刺激.
  • TME对OV疗效提出了挑战,通常需要结合策略来克服瘤抵抗.
  • 基因改造的OV和新型病毒病原体正在扩大治疗可能性.

研究的目的:

  • 审查型病毒治疗的演变和进展.
  • 突出OVs在改造瘤微环境以增强抗瘤免疫力的作用.
  • 讨论优化OV疗效的策略,包括组合疗法和病毒工程.

主要方法:

  • 关于型病毒治疗和瘤微环境相互作用的科学文献的综述.
  • 基因工程结性病毒 (例如T-VEC,JX-594,基于HSV的OV) 的关键例子的分析.
  • 探索新兴的OV策略,新型病毒候选物和传递系统.

主要成果:

  • OVs有效诱导瘤细胞溶解并通过增加免疫透和抗原呈现来调节TME.
  • 像T-VEC和JX-594这样的工程OV证明了改善的免疫激活和瘤选择性.
  • OVs可以将"冷"瘤转化为"热"瘤,增加对免疫治疗的敏感性.

结论:

  • 瘤溶解性病毒疗法通过直接向瘤和编排抗瘤免疫反应,对癌症治疗具有显著的前景.
  • 优化针对TME的策略,传递机制以及识别预测生物标志物对于推进OV治疗至关重要.
  • 进一步研究病毒工程和免疫调节是革命性的癌症治疗与型病毒是必不可少的.