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Fibroblastic reticulum cells in human lymph nodes. An ultrastructural study
Archives of Pathology & Laboratory Medicine
|August 1, 1983
Summary
Fibroblastic reticulum cells (FRCs) in human lymph nodes are myofibroblastic cells. These cells may control lymph node volume and aid in immune responses, and are prevalent in some lymphomas.
Area of Science:
- Immunology
- Cell Biology
- Histology
Background:
- Lymph nodes are crucial for immune responses.
- The cellular composition of reactive lymph nodes is complex.
- Fibroblastic reticulum cells (FRCs) are a component of lymph node stroma.
Purpose of the Study:
- To investigate the ultrastructural characteristics of fibroblastic reticulum cells (FRCs) in human reactive lymph nodes.
- To elucidate the potential functions of FRCs based on their cellular properties.
Main Methods:
- Electron microscopy was used to examine FRCs in human reactive lymph nodes.
- Ultrastructural analysis focused on identifying unique cellular features.
Main Results:
- FRCs exhibit ultrastructural characteristics of myofibroblastic cells.
- These cells possess a contractile element, suggesting a role in volume regulation.
- FRCs may facilitate the movement of antigens and antibodies within the lymph node.
Conclusions:
- Fibroblastic reticulum cells are myofibroblastic cells with unique properties.
- FRCs likely play a role in lymph node volume control and immune cell trafficking.
- The prevalence of FRCs in certain lymphomas suggests a potential involvement in lymphomagenesis.