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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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Updated: Jul 3, 2025

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
10:16

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies

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オートアンチボディ反応子を解読する

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
まとめ
この要約は機械生成です。

免疫系のタンパク質である自己抗体は 自己免疫疾患だけでなく 多くの疾患に関与しています この研究は様々な健康分野における 広範な影響を調査しています

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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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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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Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research
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Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research

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関連する実験動画

Last Updated: Jul 3, 2025

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies
10:16

Generation of Two-color Antigen Microarrays for the Simultaneous Detection of IgG and IgM Autoantibodies

Published on: September 15, 2016

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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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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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Author Spotlight: Novel Assay for Studying B-Cell Responses in Multiple Sclerosis Research
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科学分野:

  • 免疫学
  • 病理生理学

背景:

  • 自動抗体は通常,自己免疫疾患と関連しています.
  • 他の条件におけるその役割はあまり理解されていない.

研究 の 目的:

  • より幅広い疾患における自己抗体の影響を調査する.
  • 伝統的な自己免疫的文脈を超えた自己抗体の重要性を強調する.

主な方法:

  • 既存の研究の文献レビューとメタ分析.
  • 自己抗体と様々な疾患を関連付ける臨床データの分析

主要な成果:

  • オートアンチボディは感染症,癌,神経疾患に作用することが判明しました.
  • 特定の自己抗体は,非自己免疫疾患の進行と重症性に相関する.

結論:

  • 自身抗体は様々な病理学的過程において重要な要因である.
  • 自己抗体の関与を理解することは,より広範な疾患の診断と治療に不可欠です.