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Related Concept Videos

Antigen Presenting Cells01:22

Antigen Presenting Cells

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...
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...
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...

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Related Experiment Video

Updated: Jun 20, 2026

Generation of Human Monocyte-derived Dendritic Cells from Whole Blood
07:35

Generation of Human Monocyte-derived Dendritic Cells from Whole Blood

Published on: December 24, 2016

Before they were gut dendritic cells.

Maria Rescigno1

  • 1Department of Experimental Oncology, European Institute of Oncology, I-20141 Milan, Italy. maria.rescigno@ifom-ieo-campus.it

Immunity
|September 22, 2009
PubMed
Summary
This summary is machine-generated.

Dendritic cell (DC) subsets in the gut lamina propria have distinct roles. This study identifies the blood precursors for CD103(+) and CD103(-) DC subsets, clarifying their origins.

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Published on: December 24, 2016

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Area of Science:

  • Immunology
  • Cell Biology
  • Gastrointestinal Research

Background:

  • Dendritic cells (DCs) are crucial immune regulators in the gut lamina propria.
  • Distinct DC subsets, such as CD103(+) and CD103(-) DCs, exhibit specialized functions in maintaining intestinal homeostasis and immune responses.

Discussion:

  • This research elucidates the distinct blood precursors that give rise to the CD103(+) and CD103(-) dendritic cell subsets found in the gut lamina propria.
  • Understanding these precursor-subset relationships is vital for dissecting the ontogeny and functional specialization of intestinal DCs.

Key Insights:

  • Identification of specific blood-derived cell populations that differentiate into CD103(+) and CD103(-) gut lamina propria dendritic cell subsets.
  • Provides a clearer picture of dendritic cell development and functional divergence within the gastrointestinal tract.

Outlook:

  • Further investigation into the functional implications of these distinct precursor-derived DC subsets in gut immunity.
  • Potential for targeted immunotherapies based on understanding DC subset origins and functions.