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In vitro Cytotoxicity of Bisphenol A in Monocytes Cell Line
Background/Aim:
Bisphenol A (BPA) is used in the production of many plastics, which are used to build biomaterials that sometimes are in direct contact with blood. It is believed that the release of BPA into bloodstream may give rise to cytotoxic events for blood components. The aim of the present study was to perform an in vitro investigation of the observable cytotoxic effect of BPA, at increasing concentrations, on the monocyte cell line.
Methods:
We incubated in vitro monocyte cells (U937) for 24 h in cell line medium samples (RPMI 1640) at different concentrations of BPA. We then generated curves to evaluate viability, necrosis and apoptosis of monocytes against increasing concentrations of BPA.
Results:
The percentage values of concentrations of BPA corresponding to 50% of the viability and necrosis of the monocytes were 1.39 and 1.48 ng/ml, respectively. Based on our observations, we reported an increasing cytotoxic effect for higher concentrations. The apoptotic effect reached the maximum value at BPA concentration of 1.5 ng/ml; at still higher concentrations, we observed a predominantly necrotic cell death.
Conclusion:
Viability, necrosis and apoptosis of monocytes are strongly and positively correlated with BPA concentration. A direct contact of such compound with biological components of blood may lead to high levels of cytotoxicity, and require us to evaluate additional factors while judging the bio-incompatibility of BPA.
