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相关概念视频

Tumor Immunotherapy01:27

Tumor Immunotherapy

511
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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Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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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...
889

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Analysis of Human T Cell Activity in an Allogeneic Co-Culture Setting of Pre-Treated Tumor Cells
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长期使用免疫检查点抑制剂的头平细胞癌幸存者的免疫甲基基组资料.

Min Kyung Lee1, Ze Zhang1, Kartik Sehgal2

  • 1Department of Epidemiology, Geisel School of Medicine at Dartmouth, Lebanon, NH  03755, USA.

Epigenomics
|June 13, 2024
PubMed
概括

在头部和部状细胞癌 (HNSCC) 中预测免疫疗法反应是具有挑战性的. 监测免疫细胞的波动,如CD8 T细胞,可能会揭示治疗成功的生物标志物在HNSCC患者.

关键词:
通过DNA甲基化.头部和部状细胞癌瘤免疫检查点抑制剂 免疫检查点抑制剂免疫特征 免疫特征免疫甲基组组的药物甲基化细胞计量方法

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科学领域:

  • 在瘤学瘤学.
  • 免疫学 免疫学 免疫学
  • 基因组学就是基因组学.

背景情况:

  • 预测头部和部状细胞癌 (HNSCC) 的免疫疗法反应仍然是一个重大的临床挑战.
  • 识别可靠的生物标志物对于优化治疗策略和患者结果至关重要.

研究的目的:

  • 研究接受免疫治疗的HNSCC患者免疫细胞概况的动态变化.
  • 探索潜在的基于免疫的生物标志物,用于预测HNSCC的治疗反应.

主要方法:

  • 用DNA甲基化细胞测量来分析免疫细胞种群.
  • 对六名HNSCC患者进行了长度免疫分析,这些患者在一年内获得了积极的免疫治疗反应.

主要成果:

  • 在前四个免疫治疗周期中,观察到CD8 T记忆细胞和自然杀手细胞的初始激增,在一年后恢复到基线.
  • 与健康对照组相比,HNSCC免疫疗法响应者表现出较低的基线CD8T细胞水平,在治疗后正常化.

结论:

  • 动态监测免疫细胞波动,特别是CD8T细胞,可能作为一个潜在的生物标志物用于免疫疗法响应在HNSCC.
  • 这些发现强调了免疫分析在理解和预测HNSCC治疗疗效方面的有用性.