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相关概念视频

Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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 specific...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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

Cytotoxic T Cells-mediated Immune Response

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...
Tumor Immunotherapy01:27

Tumor Immunotherapy

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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相关实验视频

Updated: Jun 6, 2026

Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens
09:53

Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens

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深度学习框架iCanTCR能够利用周围血液中的T细胞受体谱进行早期癌症检测.

Yideng Cai1, Meng Luo1, Wenyi Yang1

  • 1School of Life Science and Technology, Harbin Institute of Technology, Harbin, China.

Cancer research
|March 27, 2024
PubMed
概括

一个新的深度学习框架,iCanTCR,分析血液中的T细胞受体 (TCR) 库,以早期检测癌症. 这种方法对基于液体活检的非侵入性癌症诊断有希望.

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Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens
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科学领域:

  • 免疫学 免疫学 免疫学
  • 生物信息学是一种生物信息学.
  • 人工智能的人工智能

背景情况:

  • T细胞及其T细胞受体 (TCRs) 在识别瘤抗原和启动抗癌免疫反应方面发挥着至关重要的作用.
  • 在周围血液中监测TCR谱系为早期癌症检测提供了一个潜在的策略,因为它与瘤抗原特异性的联系.

研究的目的:

  • 开发和验证一个深度学习框架,iCanTCR,用于识别癌症患者基于他们的TCR曲目.
  • 评估iCanTCR在检测各种癌症类型的有效性,包括早期疾病,使用外周血液样本.

主要方法:

  • 开发了iCanTCR深度学习框架,利用TCRβ序列作为输入来预测癌症概率.
  • 从11种癌症类型和健康对照中对2000多个公开的TCR目录进行了训练.
  • 验证了其他独立数据集的框架,以评估其在将癌症患者与非癌症患者区分开来方面的表现.

主要成果:

  • 该iCanTCR框架准确地区分了多种癌症类型的癌症患者和健康个体.
  • 该模型在分类各种癌症方面表现出了显著的能力.
  • 在识别早期癌症患者时,iCanTCR的AUC达到86%.

结论:

  • 该研究将iCanTCR作为一种基于深度学习的新型液体活检方法,用于非侵入性癌症诊断.
  • 通过TCR谱系分析监测循环免疫信号,有可能用于早期和准确的癌症检测.
  • 这种框架有助于从外围血液捕获免疫信号,以改善癌症查和诊断.