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Hemorrhagic cystitis often develops in patients treated with cyclophosphamide (CP). Vincamine (vinca alkaloid) is the source of the synthetic derivative vinpocetine (Vinpo). Worldwide, Vinpo is used as a cerebroprotective drug. As it has anti-oxidant, anti-thrombotic and anti-inflammatory effects but the power of Vinpo to prevent CP induced cystitis has not been studied.This research was planned to explore the effect of Vinpo (10-30 mg/kg, orally) administered 1 or 4 h before inducing cystitis by CP injection (300 mg/kg, i.p.) on the urinary bladder of mice.Administration of Vinpo 30 mg/kg, 4 h before CP injection ameliorated inflammatory markers. It reduced inducible nitric oxide synthase (iNOS), tumor necrosis factor- α (TNF-α), and BCL2 Associated X (Bax) expression in the bladder and increased the total antioxidant capacity level. Histological examination of the bladder has further supported these results. The present study suggests a protective effect of Vinpo (30 mg/kg, 4 h before CP injection) against CP-induced bladder inflammation.This proposes that Vinpo 30 mg/kg may become a promising pharmacological drug to prevent urinary adverse effects in patients treated with chemotherapy using CP. |
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