Related Experiment Video
Updated: May 16, 2026
09:07
Isolation of Myeloid Dendritic Cells and Epithelial Cells from Human Thymus
Published on: September 19, 2013
Immunohistological characterization of thymic dendritic cells
Alexandra Papoudou-Bai1, Maria Bai, Michalis Doukas
1Department of Pathology, University of Ioannina, Ioannina, Greece.
In Vivo (Athens, Greece)
|November 20, 2012
Summary
Dendritic cells and macrophages were mapped in the human thymus. These immune cells, including dendritic cells (S100+, CD1a+, CD207+, CD11c+), were found in the cortex, medulla, and Hassall bodies, suggesting a role in T-cell differentiation.
Area of Science:
- Immunology
- Cell Biology
- Histology
Background:
- Dendritic cells are crucial for thymus function and disease.
- Understanding their distribution is key to thymic histophysiology and pathology.
Purpose of the Study:
- To map the immunotopographical distribution of dendritic cells and macrophages in the postnatal human thymus.
- To investigate the presence of these cells in Hassall bodies.
Main Methods:
- Utilized streptavidin-biotin peroxidise-labeled (LSAB) and APAAP immunohistochemical techniques.
- Examined cell markers including S100, CD1a, CD207, CD11c, CD123, CD68, and CD163.
Main Results:
- Dendritic cell markers (S100, CD1a, CD207, CD11c, CD123) were found in the cortex and medulla.
- These markers, except CD123, were also present in juvenile and immature Hassall bodies.
- Macrophage markers (CD68, CD163) were detected in the cortex and medulla but not Hassall bodies.
Conclusions:
- Dendritic cells are present in Hassall bodies, indicating a potential role in epithelial-dendritic cell cooperation.
- This interaction may be significant for T-cell differentiation processes within the thymus.
