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Related Concept Videos

T Cell Types and Functions01:24

T Cell Types and Functions

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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.
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T Cell Activation and Clonal Selection01:22

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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.
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B Cell Activation and Differentiation01:24

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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.
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Cells of the Adaptive Immune Response01:23

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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...
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Regulation of Hematopoietic Stem Cells01:01

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All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...
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Related Experiment Video

Updated: May 1, 2026

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells
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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

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Human dendritic cell functional specialization in steady-state and inflammation.

Arjan Boltjes1, Femke van Wijk1

  • 1Laboratory for Translational Immunology, Department of Pediatric Immunology, University Medical Center Utrecht , Utrecht , Netherlands.

Frontiers in Immunology
|April 19, 2014
PubMed
Summary

Dendritic cells (DCs) are key immune cells with diverse subtypes. This review highlights recent advances in understanding human dendritic cell heterogeneity and function in tissues during health and inflammation.

Keywords:
dendritic cellsfunctional specializationhumansinflammationinflammatory dendritic cellsmonocytesskinsubsets

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Generation of Immature, Mature and Tolerogenic Dendritic Cells with Differing Metabolic Phenotypes
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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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Generation of Immature, Mature and Tolerogenic Dendritic Cells with Differing Metabolic Phenotypes
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Generation of Immature, Mature and Tolerogenic Dendritic Cells with Differing Metabolic Phenotypes

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Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Dendritic cells (DCs) are critical antigen-presenting cells initiating immune responses.
  • Human DC subsets exhibit significant heterogeneity in origin, location, and function, particularly in tissues.
  • While mouse DC biology is well-studied, human DC specialization remains less understood.

Purpose of the Study:

  • To provide an overview of recent advancements in human dendritic cell research.
  • To explore DC heterogeneity and functional specialization in both steady-state and inflammatory conditions.
  • To discuss the role of DCs in T-cell polarization and chronic inflammatory diseases.

Main Methods:

  • Review of recent scientific literature on human dendritic cell subsets.
  • Analysis of findings on DC ontogeny, development, and function in human tissues.
  • Synthesis of information on DC-mediated cross-presentation and monocyte-DC interactions.

Main Results:

  • Human DC subsets display distinct roles in immune surveillance and response initiation.
  • Inflammatory conditions recruit and activate additional DCs and monocytes, influencing T-cell polarization.
  • Recent research sheds light on DC subsets, cross-presentation, and monocyte-DC relationships.

Conclusions:

  • Understanding human DC heterogeneity is crucial for deciphering immune responses.
  • DCs play a significant role in instructing T-cell polarization and chronic inflammation.
  • Further research into human DC subsets can inform therapeutic strategies for inflammatory diseases.