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関連する概念動画

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

14.2K
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...
14.2K
Oligosaccharide Assembly01:24

Oligosaccharide Assembly

3.3K
Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
Multiple sugar molecules that may or may...
3.3K
Antigen Presenting Cells01:22

Antigen Presenting Cells

2.5K
The immune system is a complex network of cells and molecules that protects the body from foreign invaders. T cells, a type of white blood cell, play a crucial role in this process. They recognize and attack foreign substances, such as pathogens, that enter the body.
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...
2.5K
Protein Glycosylation01:25

Protein Glycosylation

8.6K
Glycosylation, the most common post-translational modification for proteins, serves diverse functions. Adding sugars to proteins makes the proteins more resistant to proteolytic digestion. Glycosylated proteins can act as markers and receptors to promote cell-cell adhesion. Additionally, they have many essential quality control functions in the cell, such as correct protein folding and facilitating transport of misfolded proteins to the cytosol, which can be degraded.
Glycosylation occurs in...
8.6K

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関連する実験動画

Updated: Nov 30, 2025

Author Spotlight: Dendritic Cells Maturation Using Sialidases-Based Enzymatic Treatment of the Cell Surface
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甘さ を 好む 人 も い ます

A C Kohlgruber1, C I Wang2, S J Elledge3

  • 1Division of Genetics, Department of Medicine, Howard Hughes Medical Institute, Brigham and Women's Hospital, Boston, MA 02115, USA; Department of Genetics, Harvard University Medical School, Boston, MA 02115, USA.

Cell
|November 13, 2020
PubMed
まとめ

研究者は FucoID という特定のT細胞を 標識し捕捉する新しいプラットフォームを開発しました この技術は,腫瘍特異のT細胞を分離することによって,抗腫瘍免疫反応を研究するのに役立ちます.

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Study of Dendritic Cell Development by Short Hairpin RNA-Mediated Gene Knockdown in a Hematopoietic Stem and Progenitor Cell Line In vitro
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Study of Dendritic Cell Development by Short Hairpin RNA-Mediated Gene Knockdown in a Hematopoietic Stem and Progenitor Cell Line In vitro

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Interview: Glycolipid Antigen Presentation by CD1d and the Therapeutic Potential of NKT cell Activation
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Interview: Glycolipid Antigen Presentation by CD1d and the Therapeutic Potential of NKT cell Activation

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関連する実験動画

Last Updated: Nov 30, 2025

Author Spotlight: Dendritic Cells Maturation Using Sialidases-Based Enzymatic Treatment of the Cell Surface
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Author Spotlight: Dendritic Cells Maturation Using Sialidases-Based Enzymatic Treatment of the Cell Surface

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Study of Dendritic Cell Development by Short Hairpin RNA-Mediated Gene Knockdown in a Hematopoietic Stem and Progenitor Cell Line In vitro
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Interview: Glycolipid Antigen Presentation by CD1d and the Therapeutic Potential of NKT cell Activation
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科学分野:

  • 免疫学
  • 生物化学
  • 分子生物学

背景:

  • 特定のT細胞を特定し隔離することは,特に癌における免疫反応を理解するために極めて重要です.
  • 現在のT細胞分離方法は困難であり,すべての関連する細胞集団を捕捉できない可能性があります.

研究 の 目的:

  • グリコシルトランスフェラーゼ媒介のタグ付けプラットフォームである FucoID を導入する.
  • 抗原特異性T細胞の生化学的標識と捕獲のためのFucoIDの有用性を実証する.
  • 臨床前がんモデルにおける腫瘍特異性T細胞の特徴化

主な方法:

  • T細胞ラベリングのためのグリコシルトランスフェラーゼ活性を利用する FucoID の開発.
  • FucoIDの適用は,抗原特異性T細胞の標識とキャプチャに用いられる.
  • ネズミの腫瘍モデルからのCD8+とCD4+T細胞の分離と特徴づけ.

主要な成果:

  • FucoIDを用いた抗原特異性T細胞の生化学的標識と捕獲が成功しました.
  • 腫瘍特有のCD8+およびCD4+T細胞の分離と特徴づけ
  • マウンの臨床前腫瘍モデルにおけるFucoIDの有効性の実証

結論:

  • FucoIDは,抗原特異性T細胞の生化学的分離と研究のための強力な新しいツールです.
  • このプラットフォームは,抗腫瘍免疫反応の理解を高めています.
  • FucoIDは免疫学的研究と治療開発に大きな希望を示しています.