Direct and transdentinal biostimulatory effects of grape seed extract rich in proanthocyanidin on pulp cells

International Endodontic Journal
A F Dos SantosA P D Ribeiro

Abstract

To evaluate the potential biostimulatory effects of grape seed extract (GSE) on a primary culture of human pulp cells. Human molars were used to obtain the primary pulp cell culture and 0.5-mm dentine discs. For GSE direct exposure, dose-response (0.0065-6.5%) and time response (1-60 min of contact) were examined. For transdentinal exposure, 0.65% of GSE was tested for 24 h. Cellular metabolism, nitric oxide and collagen production, and cell morphology alterations were assessed at periods of 24 and 72 h. After cell differentiation and direct exposure to GSE, the total protein production (TP), alkaline phosphatase activity (ALP) and formation of mineralization nodules (MN) were assessed. The results were analysed by parametric tests or non-parametric tests (α = 0.05). The lower concentration of GSE tested (0.0065%) was associated with an increase in cellular metabolism, a reduction in the production of nitric oxide and an increase in extracellular matrix synthesis (collagen). Distinct behaviours were observed for the different concentrations, without a reduction of cellular metabolism >10% compared with the control, either when applied directly or transdentinally. SEM revealed no significant change in cell morphology, except for...Continue Reading

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Citations

Aug 5, 2020·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Nicholas G FischerConrado Aparicio
Jun 25, 2021·International Endodontic Journal·Poliana Amanda Oliveira SilvaTaia Maria Berto Rezende

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