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Updated: Aug 8, 2026
Immunohistochemistry on Paraffin Sections of Mouse Epidermis Using Fluorescent Antibodies
Published on: January 8, 2008
Immunohistochemical localization of the epidermal growth factor receptor in normal mouse tissues
C Ozoğul1, E Karaöz, D Erdoğan
1Gazi University Faculty of Medicine Department of Histology Embryology, Ankara, Türkiye.
Insights
Epidermal growth factor (EGF) receptors show distinct patterns in normal mouse tissues. These receptor localizations in skin, kidney, and stomach may indicate varied growth factor activity and ligand interactions.
Area of Science:
- Cell Biology
- Histology
- Molecular Biology
Background:
- Epidermal Growth Factor (EGF) signaling is crucial for cellular processes.
- Understanding EGF receptor distribution is key to comprehending EGF's role.
Purpose of the Study:
- To investigate the localization and patterns of epidermal growth factor (EGF) receptors in normal mouse tissues.
- To identify different cellular compartments and cell types expressing EGF receptors.
Main Methods:
- Immunohistochemical analysis using antibodies against EGF receptors.
- Microscopic examination of tissue sections from various normal mouse organs.
Main Results:
- Two main patterns of EGF receptor reactivity were observed: strong membranous and diffuse cytoplasmic staining.
- Membranous reactivity was noted in basal skin epithelial cells and kidney collecting tubule cells.
- Cytoplasmic reactivity was predominantly seen in bronchial epithelial cells, stomach parietal cells, and kidney tubular cells.
Conclusions:
- The differential distribution of EGF receptors suggests tissue-specific roles and signaling capacities.
- Observed patterns may reflect varying activation states of EGF receptors and their interaction with available ligands.
Abstract:
The levels of epidermal growth factor (EGF) receptors were investigated in normal mouse tissues. Two patterns of reactivity were recognized: strong membraneous of diffuse cytoplasmic staining. The basal epithelial cells of the skin and the collecting tubule cells of the kidney showed membraneous reactivity whereas the bronchial epithelial cells, parietal cells of the stomach and tubular cells of the kidney showed cytoplasmic reactivity predominantly with the antibody. The distribution of the epidermal growth factor receptors in different cell types and cellular compartments may implicate varying activation states of the growth factor and its interaction with a milieu available ligand.
