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相关概念视频

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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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...
14.5K

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相关实验视频

Updated: Jan 6, 2026

Peptide:MHC Tetramer-based Enrichment of Epitope-specific T cells
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使用基于细胞的皮质图书馆发现T细胞抗原

Paul M Zdinak1,2, Sanya Arshad1, Venkata Krishna Kanth Makani1,3

  • 1Center for Systems Immunology and the Department of Immunology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.

Methods in molecular biology (Clifton, N.J.)
|November 21, 2025
PubMed
概括
此摘要是机器生成的。

识别T细胞受体 (TCR) 的特异性是了解健康和疾病的关键. 信号和抗原呈现双功能受体 (SABR) 平台使CD4+和CD8+T细胞的抗原发现成为可能.

关键词:
发现抗原的发现.爱皮托普图书馆的图书馆在 SABR 图书馆.在T细胞受体解过程中,T细胞受体被解.

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Single-cell Screening Method for the Selection and Recovery of Antibodies with Desired Specificities from Enriched Human Memory B Cell Populations
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A High Throughput MHC II Binding Assay for Quantitative Analysis of Peptide Epitopes
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科学领域:

  • 免疫学 免疫学 免疫学
  • 分子生物学分子生物学
  • 生物技术是生物技术.

背景情况:

  • T细胞通过T细胞受体 (TCR) 识别抗原,使得TCR特异性识别对生物医学研究至关重要.
  • 现有的抗原发现方法在解构TCR方面存在局限性.
  • 新型平台的开发对于我们进一步了解T细胞功能至关重要.

研究的目的:

  • 介绍和详细介绍信号和抗原呈现双功能受体 (SABR) 平台,用于T细胞抗原的发现.
  • 为生成SABR库和进行SABR屏幕提供全面的概述.
  • 为了能够识别给定TCR的相关表位.

主要方法:

  • 开发一种基于细胞的抗原发现平台,利用嵌合体受体 (SABR).
  • 在SABR框架内建造大型表征图书馆.
  • 应用SABR屏幕用于TCR特异性的解卷.
  • 适应平台用于CD4+和CD8+T细胞抗原的发现.

主要成果:

  • 在SABR平台上,可以向T细胞呈现共价连接的表位.
  • 通过T细胞识别已呈现的表位,就会产生可读的信号.
  • SABRs的模块化性促进了在不同类型的T细胞中发现抗原.
  • 成功地应用SABR来解TCR的特殊性.

结论:

  • SABR平台为T细胞抗原发现提供了一种强大而通用的方法.
  • 这项技术对于推进免疫学和相关疾病的研究至关重要.
  • 持续改进SABRs有望进一步改善抗原识别.