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Correlation between salivary estrogen levels and oral epithelial cytokeratin 5 expression.


ABSTRACT: Background: Estrogen expression levels may be associated with age and may affect keratinization of the hard palate. Keratinized epithelium expresses cytokeratin 5 and 14 in the basal layer. The aim of this study was to determine the correlation between the levels of salivary estrogen and number of cytokeratin 5-positive oral epithelial cells. Methods: A total of 30 female subjects were recruited and divided into children, adults and elderly (N=10 per group). Salivary estrogen levels and cytokeratin 5-expressing oral epithelial cells were assessed using ELISA and immunohistological methods, respectively. Data were analyzed using ANOVA with post hoc LSD test and Pearson's correlation coefficient. Results: The results showed that both the number of cytokeratin 5-positive cells and the level of salivary estrogen were significantly higher in adults but decreased in the elderly, as compared with those in children (p<0.05). Furthermore, the levels of salivary estrogen were significantly correlated with the number of cytokeratin 5-positive cells (r=0.815). The ANOVA result showed significance difference cytokeratin 5 expression and estrogen level (p<0.05). The post hoc LSD test revealed cytokeratin 5 expression and estrogen level to be significantly different in children, adults, and elderly participants (p<0.05). Conclusions: These results suggest that the profile of salivary estrogen and oral epithelial cell-expressed cytokeratin 5 may be positively correlated with age and depend on age.

SUBMITTER: Handajani J 

PROVIDER: S-EPMC7194496 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Correlation between salivary estrogen levels and oral epithelial cytokeratin 5 expression.

Handajani Juni J   Effendi Nuraini N   Sosroseno Wihaskoro W  

F1000Research 20200312


<b>Background:</b> Estrogen expression levels may be associated with age and may affect keratinization of the hard palate. Keratinized epithelium expresses cytokeratin 5 and 14 in the basal layer. The aim of this study was to determine the correlation between the levels of salivary estrogen and number of cytokeratin 5-positive oral epithelial cells. <b>Methods:</b> A total of 30 female subjects were recruited and divided into children, adults and elderly (N=10 per group). Salivary estrogen level  ...[more]

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2005-11-04 | GSE3563 | GEO