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Type I Diabetes II: Pathophysiology01:26

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
Antigens Involved in Adaptive Immunity01:26

Antigens Involved in Adaptive Immunity

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 reactivity.
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

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,...
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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...
What is the Immune System?01:38

What is the Immune System?

Overview
Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...

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関連する実験動画

Updated: May 20, 2026

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay
06:15

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay

Published on: September 7, 2018

2型免疫における新しいパラダイム

Bali Pulendran1, David Artis

  • 1Department of Pathology, Emory Vaccine Center, Yerkes National Primate Research Center, 954 Gatewood Road, Atlanta, GA 30329, USA. bpulend@emory.edu

Science (New York, N.Y.)
|July 28, 2012
PubMed
まとめ
この要約は機械生成です。

生まれながらの免疫系は,ヘルミンツとの闘いにおいて極めて重要な2型免疫反応を指揮するが,アレルギーとも関連している. パターン認識と代謝検出を含む複数の感知メカニズムは,これらの重要な応答を開始し,制御します.

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Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
06:27

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Published on: May 6, 2013

Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity
11:12

Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity

Published on: April 11, 2019

関連する実験動画

Last Updated: May 20, 2026

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay
06:15

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay

Published on: September 7, 2018

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells
06:27

Accelerated Type 1 Diabetes Induction in Mice by Adoptive Transfer of Diabetogenic CD4+ T Cells

Published on: May 6, 2013

Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity
11:12

Interrogating Individual Autoreactive Germinal Centers by Photoactivation in a Mixed Chimeric Model of Autoimmunity

Published on: April 11, 2019

科学分野:

  • 免疫学 免疫学とは
  • アレルギー研究 アレルギー研究
  • 寄生虫学とは,寄生虫学である.

背景:

  • 世界人口のほぼ50%がヘルミント感染症やアレルギー疾患を経験しています.
  • 共通する特徴は"タイプ2の免疫反応"で,ヘルミントから身を守るが,アレルギー性炎症を悪化させる.
  • 2型反応の正確な開始と制御メカニズムは完全に理解されていません.

研究 の 目的:

  • タイプ2反応における先天性免疫系の役割を理解する最近の進歩をレビューする.
  • アレルゲンからヘルミントまで,2型免疫を誘発する多様な刺激を探求する.
  • 人間の免疫系は,これらの刺激に対して複数の感知戦略を使用することを提案する.

主な方法:

  • 最近の免疫学的研究の文献レビュー.
  • 2型免疫における先天性免疫系の役割の分析.
  • 様々な刺激に対する感知メカニズムの検討.

主要な成果:

  • 生まれつきの免疫システムは,タイプ2の免疫反応のオーケストラ化に重要な役割を果たします.
  • タイプ2の反応は,アレルゲンやヘルミントを含む幅広い刺激によって引き起こされます.
  • 免疫システムは,先天的な免疫受容体,代謝変化,組織損傷検出などの複数の感知経路を採用しています.

結論:

  • 人間の免疫システムは,さまざまな2型刺激を感知し,それに反応する複雑なメカニズムを進化させた.
  • これらのメカニズムを理解することは,ヘルミントの感染やアレルギー性疾患に対する新しい治療戦略の開発に不可欠です.