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Related Concept Videos

T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

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...
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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...
Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
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...
T Cell Types and Functions01:24

T Cell Types and Functions

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...
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,...

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Related Experiment Video

Updated: May 21, 2026

An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets
09:09

An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets

Published on: April 18, 2016

Classical dendritic cells as a unique immune cell lineage.

Boris Reizis1

  • 1Department of Microbiology & Immunology, Columbia University Medical Center, New York, NY 10032, USA. bvr2101@columbia.edu

The Journal of Experimental Medicine
|June 6, 2012
PubMed
Summary

Two studies identify Zbtb46 as a specific marker for classical dendritic cells (cDCs). This discovery aids in studying cDC progenitors and function, potentially defining cDCs as a unique immune cell lineage.

Area of Science:

  • Immunology
  • Cell Biology
  • Genetics

Background:

  • Classical dendritic cells (cDCs) are crucial for initiating adaptive immunity.
  • The precise genetic and phenotypic definition of cDCs remains unclear.
  • Understanding cDC identity is vital for immune response research.

Purpose of the Study:

  • To identify a specific genetic marker for classical dendritic cells (cDCs).
  • To explore the role of Zbtb46 in cDC biology.
  • To develop new tools for studying cDC development and function.

Main Methods:

  • Gene expression analysis in human and mouse immune cells.
  • Investigating the function of Zbtb46 in cDC development.
  • Development of novel genetic tools for cDC research.

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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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A Simple and Efficient Method for Testing Immunomodulatory Agents for Generation of Tolerogenic Dendritic Cells from Human CD14+ Monocytes
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A Simple and Efficient Method for Testing Immunomodulatory Agents for Generation of Tolerogenic Dendritic Cells from Human CD14+ Monocytes

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Last Updated: May 21, 2026

An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets
09:09

An Efficient and High Yield Method for Isolation of Mouse Dendritic Cell Subsets

Published on: April 18, 2016

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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A Simple and Efficient Method for Testing Immunomodulatory Agents for Generation of Tolerogenic Dendritic Cells from Human CD14+ Monocytes
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A Simple and Efficient Method for Testing Immunomodulatory Agents for Generation of Tolerogenic Dendritic Cells from Human CD14+ Monocytes

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Main Results:

  • Zbtb46 is identified as a novel transcription factor specifically expressed in all cDCs in mice and humans.
  • Zbtb46 is dispensable for cDC development.
  • New tools enable in vivo visualization and depletion of cDCs.

Conclusions:

  • Zbtb46 serves as a specific marker for classical dendritic cells.
  • The specific expression pattern of Zbtb46 supports cDCs as a distinct immune cell lineage.
  • Novel tools facilitate further research into cDC progenitors, function, and lineage.