Immunohistochemical study on the expression of desmoglein-3 in fetal skin developmentImmunohistochemical Study on the Expression of Desmoglein-3 in Fetal Skin Development
- Authors
- Kim, J.-B.; Park, H.-J.; Lee, J.-S.; Joh, O.-J.; Song, K.-Y.
- Issue Date
- Jul-2010
- Publisher
- 대한피부과학회
- Keywords
- Desmoglein-3; Desmosome; Fetus; Skin
- Citation
- Korean Journal of Dermatology, v.48, no.7, pp 558 - 566
- Pages
- 9
- Journal Title
- Korean Journal of Dermatology
- Volume
- 48
- Number
- 7
- Start Page
- 558
- End Page
- 566
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/46893
- ISSN
- 0494-4739
- Abstract
- Background: Desmogleins are calcium-dependent transmembrane glycoproteins of the desmosome that form an import component of the junction complexes of epithelial cells. Desmogleins are involved in maintaining the structural integrity of tissues. So far, four different desmogleins (Dsg1, Dsg2, Dsg3 and Dsg4) have been identified. Objective: The purpose of this study was to observe the distribution pattern of desmoglein-3 in the fetal skin during development. Methods: Skin was obtained from the sole, scalp and lip of 34 fetuses that ranged in age from 10 to 39 weeks of gestational age. Immunohistochemical staining was performed on the paraffin embedded tissue using anti-human monoclonal antibody against the desmoglein-3. Results: The expression of desmoglein-3 in the epidermis appeared in the basal layer of the sole at the 10th week of gestation age. Thereafter, a stronger expression was noted in the middle layer of the sole and scalp epidermis. The basal layer had a stronger expression than did the other layers of the epidermis, followed by the middle and superficial layers. A stronger expression of desmoglein-3 in hair was noted in the outer root sheath, the bulge cells and the eccrine duct cells. The expression of desmoglein-3 in the lip mucosa was strong in both the basal and middle layers, while the skin side of the mucosa showed a stronger expression in basal layer. Conclusion: These results suggested that desmoglein-3 plays an important role in the development and differentiation of the epidermis and skin adnexa in the fetal stage, and especially in basal and suprabasal layers.
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