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T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

17.0K
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...
17.0K
Immunological Memory01:23

Immunological Memory

17.7K
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...
17.7K
Mitochondrial Membranes01:45

Mitochondrial Membranes

17.6K
A single mitochondrion is a bean-shaped organelle enclosed by a double-membrane system. The outer membrane of mitochondria is smooth and contains many porins - the integral membrane transporters. Porins enable free diffusion of ions and small uncharged molecules through the outer mitochondrial membrane but limit the transport of molecules larger than 5000 Daltons. Further, the outer mitochondrial membrane forms a unique structure called membrane contact sites with other subcellular organelles,...
17.6K
Mitochondrial Membranes01:45

Mitochondrial Membranes

2.3K
2.3K
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

9.9K
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...
9.9K
T Cell Types and Functions01:24

T Cell Types and Functions

3.1K
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
3.1K

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関連する実験動画

Updated: Mar 18, 2026

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells
06:55

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells

Published on: October 19, 2021

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T細胞の記憶におけるミトコンドリアネットワーク

Marc Liesa1, Orian S Shirihai1

  • 1Division of Endocrinology, Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA.

Cell
|July 2, 2016
PubMed
まとめ
この要約は機械生成です。

Tリンパ球は機能によって エネルギー需要を変化させ バイオエネルギーに挑戦します バックと仲間たち ミトコンドリアの形状の変化が T細胞の運命決定と 結びついていることを発見しました

さらに関連する動画

Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells
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Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells

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Multicolor Flow Cytometry-based Quantification of Mitochondria and Lysosomes in T Cells
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Multicolor Flow Cytometry-based Quantification of Mitochondria and Lysosomes in T Cells

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関連する実験動画

Last Updated: Mar 18, 2026

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells
06:55

Real-time Monitoring of Mitochondrial Respiration in Cytokine-differentiated Human Primary T Cells

Published on: October 19, 2021

4.4K
Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells
06:07

Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells

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Multicolor Flow Cytometry-based Quantification of Mitochondria and Lysosomes in T Cells
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Multicolor Flow Cytometry-based Quantification of Mitochondria and Lysosomes in T Cells

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科学分野:

  • 細胞生物学
  • 免疫学
  • ミトコンドリア生物学

背景:

  • Tリンパ球は重要な代謝可塑性を発揮し,ATPの需要と栄養素の利用を適応させ,T記憶細胞やTエフェクタ細胞などの多様な機能的役割を果たします.
  • この代謝適応は,T細胞内のミトコンドリアに相当なバイオエネルギー的な課題を提示し,細胞の再構築に影響を与えます.
  • これらのバイオエネルギーシフトを理解することは T細胞の分化と機能を理解するために不可欠です

研究 の 目的:

  • ミトコンドリアのダイナミクスとT細胞の運命を決定する関係を調査する.
  • バイオエネルギー的な課題がT細胞の改造と機能的専門化にどのように影響するか探求する.
  • T細胞の分化におけるミトコンドリア形態の役割を明らかにする.

主な方法:

  • 異なる機能要求下でTリンパ球の代謝状態の分析.
  • 異なるT細胞サブセットにおけるミトコンドリア形態の評価
  • ミトコンドリアの形状の変化とT細胞の運命マーカーを結びつける相関研究

主要な成果:

  • Tリンパ球はATPの需要と栄養素の利用に大幅な変化を示しています.
  • ミトコンドリアの形状の有意な変化が観察され,異なるT細胞の運命と関連付けられました.
  • ミトコンドリアの改造はT細胞の運命を決める 重要な要因として浮上しています

結論:

  • ミトコンドリアの形状はT細胞の運命を決定する重要な要素です
  • T細胞の機能のバイオエネルギー需要はミトコンドリアの適応を必要とします.
  • この研究は,ミトコンドリアのダイナミクスと免疫細胞の分化との相互作用に関する新しい洞察を提供します.