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Autoimmune Disorders01:29

Autoimmune Disorders

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Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
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Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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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,...
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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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Cell-mediated Immune Responses01:40

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Skin Diseases and Disorders01:23

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Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
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Development of Stem Cell-derived Antigen-specific Regulatory T Cells Against Autoimmunity
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変異した自己に対する自己免疫

Laura Santambrogio1,2,3

  • 1Caryl and Israel Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY, USA.

Science (New York, N.Y.)
|March 17, 2023
PubMed
まとめ
この要約は機械生成です。

タンパク質の改変により 免疫系が体のタンパク質を攻撃する可能性があります この自己耐性の崩壊は 自己免疫疾患の重要な要因です

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科学分野:

  • 免疫学
  • 生物化学
  • 分子生物学

背景:

  • 免疫系は通常自己抗原と非自己抗原を区別する.
  • 自己耐性の崩壊は,自己免疫疾患の病原性に関与している.
  • タンパク質の翻訳後の改変 (PTM) は,タンパク質の構造と機能を変化させます.

研究 の 目的:

  • タンパク質の翻訳後の改変が免疫耐性をどのように影響するかを調査する.
  • PTMが自己耐性を破るメカニズムを理解する

主な方法:

  • 変異した自己タンパク質の分析
  • T細胞とB細胞の反応を評価する免疫検査
  • 質量スペクトロメトリーは,PTMを特定し,特徴づけます.

主要な成果:

  • 特定のタンパク質の翻訳後の改変がネオアンチゲンを生成することを発見した.
  • これらのネオアンチゲンは 自己免疫反応を誘発します
  • この研究では,免疫耐性を妨げる重要なPTMを特定しました.

結論:

  • タンパク質の翻訳後の改変は,自己耐性を破る重要なメカニズムを表します.
  • PTMをターゲットにすることで,自己免疫疾患に対する新しい治療戦略が提供される可能性があります.