Abstract
Wharton’s Jelly-derived mesenchymal stem cells (WJMSCs) have gained interest as an alternative source of stem cells for regenerative medicine. Although many studies have characterized Wharton’s Jelly biologically, the effects of different concentrations in a cultured medium have not yet been compared. Damaged fibroblasts, the primary components of irreversible dental pulpitis, irreversibly impair the ability to regenerate and lead to the disruption of extracellular matrix. This study was performed to evaluate the potency of three WJMSCs-CM concentrations in improving serum-starved fibroblasts. Fibroblasts were cultivated in five passages, and divided into four groups. The first group (the control group) consisted of fibroblast cells that had been treated using starvation methods. The other groups (the treatment groups) were treated with various concentration of WJMSCs-CM (50%, 25% and 12.5%). Proliferative ability was evaluated using a cell count method and analyzed with a one-way ANOVA. Cultivation of serum-starved fibroblasts produced significantly higher cell counts in 12.5% WJMSCs-CM compared to the 50% group. It can be concluded that 12.5% WJMSCs-CM is the most efficient concentration for fibroblast proliferation.
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