OJST  Vol.4 No.9 , September 2014
Phenytoin Effects on Proliferation and Induction of IL1β and PGE2 in Pediatric and Adults’ Gingival Fibroblasts
Background: Gingival Overgrowth (GO) is a well documented and unwanted side effect that occurs mainly as a result of certain antiseizure, phenytoin. The aim of this study was to compare the effect of phenytoin on proliferation and production of IL1β and PGE2 in cultured human gingival fibroblasts (HGF) of children and adults. Materials and Methods: Normal HGFs were obtained from 4 healthy children and 4 adult and then were cultured with phenytoin (20 mg/ml). MTT test was used to evaluate the proliferation and ELISA to determine the level of IL1β and PGE2 production by HGFs. Analysis of proliferation were assessed by Independent T-Test and ANOVA analysis was used to assess the level of IL1β and PGE2 production with an a error level less than 0.05. Results: The proliferation of HGF was not affected significantly by phenytoin in both cultured fibroblast sources (P > 0.05). Phenytoin induced a significantly higher formation of IL1β and PGE2 in child’s HGFs as compared to adult’s HGFs (P < 0.05). Conclusion: The results suggest that different inflammatory responses and cytokine formation by child’s and adult’s HGFs are the probable key elements that cause different reactions of phenytoin therapy. More advanced and systematic studies are needed to verify these findings.

Cite this paper
Vahabi, S. , Moslemi, M. , Nazemisalman, B. and Yadegari, Z. (2014) Phenytoin Effects on Proliferation and Induction of IL1β and PGE2 in Pediatric and Adults’ Gingival Fibroblasts. Open Journal of Stomatology, 4, 452-462. doi: 10.4236/ojst.2014.49061.
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