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相关概念视频

Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

588
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...
588
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
Cross-reactivity00:42

Cross-reactivity

31.1K
Overview
31.1K
Antibody Actions01:26

Antibody Actions

1.1K
Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
Neutralization
Antibodies can bind to pathogens, preventing them from infecting host cells. This process...
1.1K
Antibody Structure01:10

Antibody Structure

60.1K
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
60.1K
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

492
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...
492

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Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
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解码自身抗体反应体

Jillian R Jaycox1,2, Yile Dai1, Aaron M Ring2

  • 1Department of Immunobiology, Yale School of Medicine, New Haven, CT, USA.

Science (New York, N.Y.)
|February 15, 2024
PubMed
概括
此摘要是机器生成的。

自身抗体,即免疫系统的蛋白质, 涉及到许多疾病, 这项研究探讨了它们在各种健康领域的更广泛影响.

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High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
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Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
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Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies

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High-throughput Flow Cytometry Cell-based Assay to Detect Antibodies to N-Methyl-D-aspartate Receptor or Dopamine-2 Receptor in Human Serum
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科学领域:

  • 免疫学
  • 病理生理学

背景情况:

  • 自体抗体通常与自身免疫性疾病有关.
  • 它们在其他条件中的作用不太清楚.

研究的目的:

  • 在更广泛的疾病中研究自身抗体的影响.
  • 突显自身抗体在传统自身免疫环境之外的重要性.

主要方法:

  • 现有研究的文献审查和元分析.
  • 对自身抗体与各种疾病相关的临床数据的分析.

主要成果:

  • 发现自身抗体在传染病,癌症和神经系统疾病中起作用.
  • 特定的自身抗体与非自身免疫性疾病的进展和严重程度相关.

结论:

  • 自体抗体是各种病理过程中的重要因素.
  • 了解自身抗体参与对于诊断和治疗更广泛的疾病至关重要.