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相关概念视频

Tumor Immunotherapy01:27

Tumor Immunotherapy

538
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.
538
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

933
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
933
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

764
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
764

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相关实验视频

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Experimental Melanoma Immunotherapy Model Using Tumor Vaccination with a Hematopoietic Cytokine
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由瘤衍生的囊泡装载的树突细胞激活的T-淋巴细胞 减少瘤细胞在体外活性的活力

Ivan Yurevich Filin1, Yuriy Pavlovich Mayasin1, Chulpan Bulatovna Kharisova1

  • 1Institute of Fundamental Medicine and Biology, Kazan Federal University, 420008 Kazan, Russia.

Current issues in molecular biology
|October 27, 2023
PubMed
概括

这项研究表明,修改后的T细胞,由载有瘤囊泡的树突细胞激活,有效向并降低黑色素瘤细胞活力,为癌症免疫疗法提供了一个有前途的新途径.

关键词:
转基因-CSFF是什么意思抗原呈现的呈现方式.抗瘤疫苗 疫苗 抗瘤疫苗细胞素B 细胞素B细胞毒性作用 细胞毒性作用树突细胞是一种树突细胞.免疫疗法 免疫疗法诱导了囊泡的产生

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科学领域:

  • 免疫学 免疫学 免疫学
  • 在瘤学瘤学.
  • 生物技术是生物技术.

背景情况:

  • 免疫疗法利用免疫系统对抗癌症.
  • 树突细胞疫苗是免疫治疗的一个关键策略.
  • 它们激活T淋巴细胞以向瘤细胞.

研究的目的:

  • 为了研究载有瘤衍生的囊泡的树突细胞对黑色素瘤细胞活力的影响.
  • 评估由这些改性树突细胞激活的T细胞的抗黑色素瘤活性.

主要方法:

  • 状细胞上充满了瘤衍生的囊泡.
  • 这些修改后的树突细胞被用来激活T细胞.
  • 激活的T细胞对黑色素瘤细胞的细胞毒性活性在体外被评估.

主要成果:

  • 修改后的T细胞显示出显著的抗黑色素瘤活性.
  • 观察到黑色素瘤细胞活力显著下降.
  • 这表明T淋巴细胞对瘤细胞有强烈的激活.

结论:

  • 用瘤衍生的囊泡处理的树突细胞可以增强T细胞抗黑色素瘤活性.
  • 这种方法显示出开发新型黑色素瘤免疫疗法的潜力.
  • 对T淋巴细胞激活机制的进一步研究是有必要的.