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相关概念视频

Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

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Overview
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B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
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Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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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...
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Humoral Immune Responses01:36

Humoral Immune Responses

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相关实验视频

Updated: Jul 23, 2025

In Vitro Ubiquitination and Deubiquitination Assays of Nucleosomal Histones
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随处化和细胞自主免疫.

João Mello-Vieira1, Tobias Bopp2, Ivan Dikic3

  • 1Institute of Biochemistry II, Medical Faculty, Goethe-University, Frankfurt am Main, Germany; Buchmann Institute for Molecular Life Sciences, Frankfurt am Main, Germany.

Current opinion in immunology
|July 14, 2023
PubMed
概括

细胞自主免疫利用无处不在来控制病原体的入侵. 这篇综述探讨了ubiquitin信号如何将病原体检测与细胞防御和治疗策略联系起来.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 细胞生物学 细胞生物学
  • 生物化学 生物化学

背景情况:

  • 细胞自主免疫是对病原体的关键宿主防御机制.
  • 乌比基因化是一种关键的翻译后修饰,调节免疫信号通路.

研究的目的:

  • 为了审查ubiquitination在细胞自主免疫中的作用.
  • 为了阐明ubiquitin信号传递如何将病原体感应与细胞反应联系起来.
  • 讨论针对细胞自主免疫的治疗策略.

主要方法:

  • 关于细胞自主免疫和无处不在的文献综述.
  • 对参与病原体识别和消除的信号网络的分析.
  • 对治疗干预的讨论.

主要成果:

  • 乌比基化在免疫中动态调节信号传感器和效应蛋白.
  • 乌比基信号桥梁病原体检测途径与细胞防御机制.
  • 乌比基化会影响免疫微环境,促进病原体的清除.

结论:

  • 乌比基因化对于编排细胞自主免疫反应至关重要.
  • 针对无处不在的途径为感染提供了潜在的治疗途径.