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Ascorbic Acid and Retinol Palmitate Modulatory Effect on Omeprazole-Induced Oxidative Damage, and the Cytogenetic Changes in S. Cerevisiae and S180 Cells

Ascorbic Acid and Retinol Palmitate Modulatory Effect on Omeprazole-Induced Oxidative Damage, and the Cytogenetic Changes in S. Cerevisiae and S180 Cells

Márcia Fernanda Correia Jardim Paz, Antonio Lima Braga, Ag-Anne Pereira Melo de Meneses, Ricardo Melo de Carvalho, Rai Pablo Sousa de Aguiar, Lara Arrais Chaves Cronemberger, Milena Braga Soares da Silva, etc.

Chem Biol Interact. 2019 Sep 25;311:108776.

PMID: 31369745

Abstract:

Omeprazole (OM), a prototype proton pump inhibitor, oxidizes thiol groups and induces DNA damage. The aim of this study was to evaluate the oxidative effects of omeprazole and its interactions with ascorbic acid (AA, 50 μM) and retinol palmitate (RP) in proficient and deficient Saccharomyces cerevisiae strains, as well as levels of cytogenetic damage in Sarcoma 180 (S180) cells. Omeprazole was tested at concentrations of 10, 20 and 40 μg/mL, whereas H2O2 (10 mM), cyclophosphamide (20 mg/mL), and saline (0.9% NaCl solution) were employed as stressor, positive control, and negative control, respectively. Results revealed that omeprazole concentration-dependently induces oxidative effects in S. cerevisiae strains. However, omeprazole co-treated with ascorbic acid (50 μM) and retinol palmitate (100 IU) significantly modulated the oxidative damage inflected on the S. cerevisiae strains. Furthermore, omeprazole did not produce micronucleus formation and chromosomal bridges in S180 cells, but induced shoots. Significant increase in karyolysis and karyorrhexis were also observed with the omeprazole treated groups, which was modulated by co-treatment with ascorbic acid and retinol palmitate. Taken all together, it is suggested that ascorbic acid and retinol palmitate can substantially modulate the oxidative damage caused by omeprazole on the S. cerevisiae strains, however, much precaution is recommended with omeprazole and antioxidant co-treatment.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP73590586-A	Omeprazole solution		73590-58-6	Price

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