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Updated: Oct 18, 2025

Isolation of Murine Lymph Node Stromal Cells
Published on: August 19, 2014
Compartmentalized multicellular crosstalk in lymph nodes coordinates the generation of potent cellular and humoral
Justine Poirot1,2, Jasna Medvedovic1, Coline Trichot1
1Université de Paris, INSERM U976, Paris, France.
Insights
Fibroblastic reticular cells (FRCs) are key stromal cells that organize lymph node (LN) architecture and function. This review details how FRCs coordinate immune cell interactions within LN compartments for effective immune responses.
Area of Science:
- Immunology
- Cell Biology
- Anatomy
Background:
- Lymph nodes (LNs) are critical sites for immune cell interaction and response initiation.
- LN structure comprises distinct compartments: subcapsular sinus (SSC), paracortex, cortex, and medulla.
- Stromal cells, particularly fibroblastic reticular cells (FRCs), form a supportive network within LNs.
Purpose of the Study:
- To review the role of FRCs in structuring and organizing distinct lymph node compartments.
- To elucidate how FRCs facilitate immune cell interactions and coordinate immune responses.
- To highlight the reciprocal communication between FRCs and immune cells.
Main Methods:
- This is a review article, synthesizing existing research.
- Analysis of literature on lymph node architecture and immune cell interactions.
- Focus on the contribution of fibroblastic reticular cells (FRCs) to LN compartmentalization and function.
Main Results:
- FRCs are specialized subsets that underpin the architecture of each LN compartment.
- FRCs provide essential environmental cues, nutrients, and survival factors to immune cells.
- FRCs actively drive the structural and functional organization of immune niches within LNs.
Conclusions:
- FRCs are crucial orchestrators of lymph node structure and immune cell activity.
- The dynamic interplay between FRCs and immune cells is essential for potent cellular and humoral immunity.
- Understanding FRC functions offers insights into optimizing immune responses.
Abstract:
Distributed throughout the body, lymph nodes (LNs) constitute an important crossroad where resident and migratory immune cells interact to initiate antigen-specific immune responses supported by a dynamic 3-dimensional network of stromal cells, that is, endothelial cells and fibroblastic reticular cells (FRCs). LNs are organized into four major subanatomically separated compartments: the subcapsular sinus (SSC), the paracortex, the cortex, and the medulla. Each compartment is underpinned by particular FRC subsets that physically support LN architecture and delineate functional immune niches by appropriately providing environmental cues, nutrients, and survival factors to the immune cell subsets they interact with. In this review, we discuss how FRCs drive the structural and functional organization of each compartment to give rise to prosperous interactions and coordinate immune cell activities. We also discuss how reciprocal communication makes FRCs and immune cells perfect compatible partners for the generation of potent cellular and humoral immune responses.
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