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used in the treatment of various tumors. Retinoic acid has potent antioxidant effects. In this study, it is aimed to reveal the effects of all-trans retinoic acid (ATRA) on CP induced cardiotoxicity. Materials and Methods: In the study, wistar albino rats were used. Control group received single daily doses of 1 ml/kg saline and ATRA group received single daily doses of ATRA(7,5mg/kg/day) intraperitoneally (i.p.) for 10 days. ATRA+CP group received a single dose of CP(7mg/kg) i.p. on the fourth day of the 10 days of ATRA (7,5mg/kg/day) i.p. treatment. The rats in the CP group received only a single dose of cisplatin(7mg/kg) i.p. given on the 4th of 10 days of treatment. After treatment, the groups were compared based on cardiac histopathology findings. Results: Necrosis, cytoplasmic vacuolization, congestion, hemorrhage and edema were more common in the CP group than the control group). Necrosis and cytoplasmic vacuolization in the all-trans retinoic acid + cisplatin group was observed statistically significantly less frequently than the CP group. Conclusion: This study confirmed that cisplatin therapy had destructive effects on heart tissue, and showed that all-trans retinoic acid treatment could histopathologically prevent cisplatin-induced cardiotoxicity.