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相关概念视频

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

658
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...
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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...
846
Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

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Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
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In-vitro Mutagenesis01:16

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To learn more about the function of a gene, researchers can observe what happens when the gene is inactivated or “knocked out,” by creating genetically engineered knockout animals. Knockout mice have been particularly useful as models for human diseases such as cancer, Parkinson’s disease, and diabetes.
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相关实验视频

Updated: Jun 5, 2025

Retroviral Transduction of T-cell Receptors in Mouse T-cells
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了解使用可解释机器学习的TCR T细胞淘汰行为.

Marcus Blennemann1, Archit Verma2, Stefanie Bachl3

  • 1Gladstone Institutes, San Francisco, CA 94158, USA, marcus.blennemann@gladstone.ucsf.edu.

Pacific Symposium on Biocomputing. Pacific Symposium on Biocomputing
|December 13, 2024
PubMed
概括
此摘要是机器生成的。

研究人员使用可解释的人工智能和活细胞成像来分析基因修饰后的T细胞受体 (TCR) T细胞行为. 这种方法揭示了特定基因淘汰的独特细胞聚合模式,为癌症免疫疗法开发提供了洞察力.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 生物工程是生物工程.
  • 人工智能的人工智能

背景情况:

  • 对T细胞受体 (TCR) T细胞的遗传干扰对于推进癌症免疫疗法至关重要.
  • 评估T细胞反应的现有方法,如细胞因子检测,有局限性.
  • 活细胞成像提供了一种具有成本效益的方法来观察T细胞与癌症的相互作用,但目前的分析方法是基本的.

研究的目的:

  • 通过使用活细胞成像来描述由遗传干扰引起的T细胞行为变化.
  • 应用可解释的人工智能 (AI) 来识别T细胞反应中的特定相互作用模式.
  • 为了区分CRISPR淘汰 (CUL5,RASA2) 对T细胞与癌细胞相互作用的影响.

主要方法:

  • 利用活细胞成像来捕捉T细胞与癌细胞的相互作用.
  • 训练有素的卷积神经网络 (CNN) 来分析具有特定遗传修饰 (CUL5,RASA2淘汰赛) 的T细胞的成像数据.
  • 采用可解释的人工智能技术来解释CNN的发现并识别行为差异.

主要成果:

  • 随着时间的推移,T细胞和癌细胞的覆盖率有效地标志着一般的T细胞修饰.
  • 确定的细胞聚合模式被确定为CUL5淘汰和RASA2淘汰T细胞的关键差异化因素.
  • 可解释的AI成功地将特定的相互作用类型与不同的遗传扰乱条件联系起来.

结论:

  • 可解释的人工智能与活细胞成像相结合,为分析复杂的T细胞行为提供了强大的管道.
  • 细胞聚合是T细胞中特定遗传乱的重要行为标记.
  • 这种方法可以广泛应用于描述各种活细胞成像数据集,以更好地理解细胞动态.