Evaluation of genotoxic effect of prozac (fluoxetine) without and with addition of vitamins A and C by means of the comet assay in culture of CHO-K1 cells
DOI:
https://doi.org/10.5433/1679-0367.2005v26n2p95Keywords:
Fluoxetine, Vitamins A and C, CHO-k1, Comet assay.Abstract
The fluoxetine, commercially named Prozac, is efficient against depression and anxiety, with lower risk of collateral effects. However, the possible genotoxic effects are still unknown. The use of vitamins as protectors against damages on cells and DNA has been evaluated, mainly for vitamins A and C. Furthermore, the associative effect of vitamins with several medicines demands studies. The evaluations of genotoxic effect of Prozac and vitamins A and C protective effect were carried out in culture of Chinese hamster ovary cells, CHO-K1, by means of the comet test. The Prozac was used, in liquid formulation, diluted in 5µg, 1µg and 0.2 µg/mL of culture medium. The vitamins were used, in liquid formulation, at the concentrations of 3µg and 880,5 µg/mL of culture medium to vitamins A and C, respectively. The treatments were carried out during 1 hour. The obtained data demonstrated that only the highest concentration of Prozac (5 µg) is genotoxic and both vitamins A and C reduced such genotoxicity. The data suggest a follow-up on patients who use Prozac and the possibility of vitamins A and C association in order to minimize the collateral genotoxic effects.
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