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相关概念视频

Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

980
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...
980
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

802
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
802
Immunological Memory01:23

Immunological Memory

595
Immunological memory, a pivotal pillar of the adaptive immune system, is responsible for the body's ability to remember and respond more swiftly and effectively to previously encountered pathogens. This remarkable feature is what makes vaccines so effective in preventing diseases.
What is Immunological Memory?
Immunological memory is an integral function of the immune system that allows it to recognize and react more rapidly and effectively to pathogens previously encountered. This feature...
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Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

68.1K
Overview
68.1K
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

1.7K
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...
1.7K
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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相关实验视频

Updated: Jun 24, 2025

Murine Superficial Lymph Node Surgery
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Murine Superficial Lymph Node Surgery

Published on: May 21, 2012

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适应性免疫记忆的指南

Nora Lam1, YoonSeung Lee2, Donna L Farber3,4

  • 1Department of Pathology and Cell Biology, Columbia University Irving Medical Center, New York, NY, USA.

Nature reviews. Immunology
|June 3, 2024
PubMed
概括

免疫记忆,涉及T细胞和B细胞,在再次暴露时提供快速的病原体清除. 了解这种至关重要的生存机制有助于疫苗设计和免疫疗法开发.

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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

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The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity
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The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity

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相关实验视频

Last Updated: Jun 24, 2025

Murine Superficial Lymph Node Surgery
04:36

Murine Superficial Lymph Node Surgery

Published on: May 21, 2012

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Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle
15:57

Application of Long-term cultured Interferon-γ Enzyme-linked Immunospot Assay for Assessing Effector and Memory T Cell Responses in Cattle

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The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity
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The Isolation, Differentiation, and Quantification of Human Antibody-secreting B Cells from Blood: ELISpot as a Functional Readout of Humoral Immunity

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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

背景情况:

  • 免疫记忆对于宿主防御病原体至关重要.
  • 与原始细胞相比,记忆T细胞和B细胞在再次暴露时提供更快,更有效的反应.

研究的目的:

  • 提供当前对免疫记忆的理解的概述.
  • 探索记忆T细胞和B细胞的表型,功能,生成,维护和保护能力.

主要方法:

  • 这是一个"指南"文章,综合当前的知识.
  • 它审查了关于T细胞和B细胞记忆的文献.

主要成果:

  • 经过抗原体验的记忆细胞表现出增强的增殖和效应器功能.
  • 记忆B细胞对抗原的亲和力增加,并迅速分化为分泌抗体的细胞.
  • 免疫记忆的形成是疫苗接种的基础.

结论:

  • 了解免疫记忆对于开发有效疫苗至关重要.
  • 了解免疫记忆对传染病和癌症的免疫疗法有重大影响.
  • 本综述巩固了当前对免疫记忆的多面性质的见解.