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Isolation, Identification, and Purification of Murine Thymic Epithelial Cells
Published on: August 8, 2014
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Expression of 11beta-hydroxysteroid-dehydrogenase type 2 in human thymus
Giovanni Almanzar1, Christina Mayerl2, Jan-Christoph Seitz1
1Department of Pediatrics, University Hospital Wuerzburg, Josef-Schneider-Str. 2, 97080 Wuerzburg, Germany.
Steroids
|March 31, 2016
Summary
This study found 11beta-hydroxysteroid-dehydrogenase type 2 (11β-HSD2) protein in human thymus tissue. This enzyme is important for regulating glucocorticoids in the thymus.
Area of Science:
- Immunology
- Endocrinology
- Cell Biology
Background:
- 11beta-hydroxysteroid-dehydrogenase type 2 (11β-HSD2) inactivates active glucocorticoids.
- 11β-HSD2 is found in immune cells and murine thymus.
- Its expression in human thymus was previously unknown.
Purpose of the Study:
- To determine the presence and location of 11β-HSD2 protein in human thymus tissue.
- To investigate the potential role of 11β-HSD2 in thymic glucocorticoid regulation.
Main Methods:
- Immunohistochemistry and Western blot were used to analyze 11β-HSD2 protein expression.
- Human thymic tissue from infant males was examined.
- Kidney tissue, PBMCs, and HUVECs served as positive controls.
Main Results:
- Significant 11β-HSD2 protein expression was detected in human thymus.
- Expression was observed in thymus parenchyma, perivascular areas, and Hassall's bodies.
- This is the first report of 11β-HSD2 protein in human thymic tissue.
Conclusions:
- 11β-HSD2 is expressed in the human thymus, particularly in perivascular regions and Hassall's bodies.
- The findings suggest a role for 11β-HSD2 in modulating glucocorticoid activity within the thymus.
- This enzyme may be crucial for immune regulation at the thymic level.
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