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Related Experiment Video

Updated: Jun 25, 2026

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

Published on: May 18, 2018

Novel function for interleukin-7 in dendritic cell development.

Tobias K Vogt¹, Alexander Link, John Perrin

¹Department of Biochemistry, University of Lausanne, Epalinges, Switzerland.

|February 28, 2009

Summary

Interleukin-7 (IL-7) is vital for immune cell development. This study reveals IL-7 receptor signaling is essential for the development of conventional dendritic cells (cDCs) and plasmacytoid dendritic cells (pDCs), linking their origin to lymphoid precursors.

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Development and Functional Characterization of Murine Tolerogenic Dendritic Cells

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Preparation of Tumor Antigen-loaded Mature Dendritic Cells for Immunotherapy

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Published on: August 1, 2013

Area of Science:

Immunology
Cell Biology
Developmental Biology

Background:

Interleukin-7 (IL-7) is critical for T and B lymphocyte development and maintenance.
The role of IL-7 in dendritic cell (DC) development and function in vivo is not well understood.

Purpose of the Study:

To investigate the importance of IL-7 signaling for the development and maintenance of different DC subsets.
To determine if IL-7 receptor (IL-7R) expression is necessary for DC development.

Main Methods:

Analysis of IL-7R expression on bone marrow-derived DCs, migratory DCs (migDCs), conventional DCs (cDCs), and plasmacytoid DCs (pDCs).
Assessment of DC survival and development in the presence or absence of IL-7.
Utilizing mixed bone marrow chimeras to study the intrinsic requirement for IL-7R signaling in DC development.
Quantification of common lymphoid progenitors (CLPs) and myeloid progenitors in IL-7 signaling-deficient conditions.

Main Results:

Bone marrow-derived DCs and migDCs express IL-7R; IL-7 enhances survival of bone marrow-derived DCs.
IL-7R is not required for migDC maintenance but is indirectly essential for their development.
Resident cDCs and pDCs in lymphoid organs lack IL-7R expression.
Mixed bone marrow chimeras demonstrated an intrinsic requirement for IL-7R signaling in cDC and pDC development.
Absence of IL-7 signaling reduced CLP numbers but not myeloid progenitors.

Conclusions:

A significant proportion of cDCs and pDCs originate from common lymphoid progenitors (CLPs).
These DC subsets share a lymphoid origin and an IL-7 requirement with lymphocyte precursors.
IL-7R signaling plays a crucial, albeit indirect, role in the development of specific DC lineages.