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Innate lymphoid cells in secondary lymphoid organs
Yotam E Bar-Ephraïm1, Reina E Mebius1
1Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
Immunological Reviews
|April 19, 2016
Summary
Innate lymphoid cells (ILCs) are crucial for forming secondary lymphoid organs (SLOs) and regulating immunity. This review explores their roles in SLO development, homeostasis, and disease.
Area of Science:
- Immunology
- Cell Biology
- Developmental Biology
Background:
- Innate lymphoid cells (ILCs) are key regulators of immunity, with roles in both host defense and pathology.
- ILCs, including lymphoid tissue inducer (LTi) cells, are essential for the development of secondary lymphoid organs (SLOs).
- The ILC family comprises diverse subsets, such as helper-like ILCs and natural killer (NK) cells, each with distinct functions.
Purpose of the Study:
- To review the literature on the multifaceted roles of ILCs within secondary lymphoid tissues.
- To examine the involvement of ILCs in the formation and maintenance of SLOs throughout life.
- To discuss the implications of ILCs in immune responses during both health (homeostasis) and disease (pathology).
Main Methods:
- Comprehensive review of recent scientific literature.
- Analysis of studies focusing on ILC function in mouse and human models.
- Examination of data related to SLO development, regeneration, and immune interactions.
Main Results:
- ILCs, particularly LTi cells, are indispensable for the proper formation of lymph nodes and Peyer's Patches.
- ILCs contribute to lymphoid tissue regeneration in adult SLOs.
- ILCs actively interact with adaptive lymphocytes, modulating adaptive immune responses.
Conclusions:
- ILCs play a critical and diverse role in the development, function, and regeneration of secondary lymphoid organs.
- Understanding ILC involvement in SLOs is vital for comprehending immune regulation and developing therapeutic strategies for immune-related disorders.
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