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Isolation of Murine Lymph Node Stromal Cells
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Lymph node fibroblast-produced extracellular matrix shapes immune function

Daphne Panocha1, Janna E G Roet2, Jesse E Kuipers3

  • 1Amsterdam University Medical Center (UMC), Vrije Universiteit Amsterdam, Molecular Cell Biology and Immunology, Amsterdam, The Netherlands; Amsterdam Institute for Immunology and Infectious Diseases, Amsterdam, The Netherlands; Cancer Center Amsterdam, Cancer Biology and Immunology, Amsterdam, The Netherlands.

Trends in Immunology
|March 1, 2025
PubMed

Insights

Lymph node fibroblastic reticular cells (FRCs) and their extracellular matrix (ECM) are vital for adaptive immunity. This review explores their interplay in immune responses and suggests future research directions.

Area of Science:

  • Immunology
  • Cell Biology
  • Extracellular Matrix Biology

Background:

  • Lymph node (LN) fibroblastic reticular cells (FRCs) are crucial for mammalian adaptive immunity.
  • FRCs and their deposited extracellular matrix (ECM) form a structural network within LNs, influencing immune cell function.
  • The LN ECM undergoes dynamic remodeling during immune responses, impacting immune cell survival and activity.

Purpose of the Study:

  • To review the current understanding of the interplay between FRCs, ECM, and immune cells in LNs.
  • To highlight the lack of established links between LN ECM alterations during immune responses and ECM-producing FRCs.
  • To guide future research on the complex regulation of adaptive immunity within LNs.

Main Methods:

  • Literature review of recent research on FRCs, ECM, and immune cell interactions.
  • Analysis of the dynamic remodeling of the LN ECM in activated LNs.
  • Exploration of the functional consequences of ECM changes on immune cell behavior.

Main Results:

  • FRCs and their ECM are integral to LN structure and immune regulation.
  • ECM remodeling in LNs significantly affects immune cell survival and function.
  • A clear understanding of the FRC-ECM axis in immune responses is still developing.

Conclusions:

  • The intricate relationship between FRCs, ECM, and immune cells is central to adaptive immunity.
  • Further investigation is needed to elucidate the specific mechanisms linking FRCs, ECM dynamics, and immune cell regulation within LNs.
  • Understanding these interactions is key to comprehending the adaptive immune system's regulation in health and disease.

Keywords:
(dysregulated) immune responsesextracellular matrixfibroblastic reticular cellshomeostasisimmune cellslymph node

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