This study aimed to investigate the effect of chrysin on colistin‐induced reproductive toxicity. Twenty‐eight adult male Sprague‐Dawley rats were divided into four groups of seven rats each. Group I received physiological saline for 7 days. Group II received 50 mg/kg/day chrysin for 7 days. Group III received a total dose of 73 mg/kg colistin for 7 days. Group IV received 50 mg/kg/day chrysin by an oral gavage after the colistin treatment. Colistin causes an increase in oxidative stress (OS) in the testis. Chrysin treatment significantly decreased the OS in the chrysin + colistin group compared with the colistin group. The highest caspase‐3 and LC3B expression levels were found in the colistin group and these levels were statistically lower in the chrysin + colistin group. Colistin treatment caused a decrease in sperm motility and an increase in sperm abnormality. Chrysin treatment mitigated these side effects significantly. In conclusion, chrysin treatment can be beneficial against colistin‐induced reproductive toxicity.

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This study was aimed to investigate the protective effects of zingerone (ZO) on cisplatin (CP)-induced hepatotoxicity in rats. Thirty-five (35) Sprague Dawley male rats were used in the study; the animals were divided into 5 groups of 7 rats in each group. Group 1 (Control): received only oral serum physiologic (SP, for 7 days). Group 2 (CP): received a single dose of 7 mg/kg intraperitoneal (i.p.) of CP. Group 3 (ZO): Received daily oral doses of ZO at 50 mg/kg/day for 7 days. Group 4 (CP+ZO 25): Oral administration of ZO at 25 mg/kg/day was started 30 minutes after a single dose CP application and continued for 7 days. Group 5 (CP+ZO 50): Oral administration of ZO at 50 mg/kg/day was started 30 minutes after a single dose CP application and continued for 7 days. Alanine transaminase (ALT), aspartate transaminase (AST) and alkaline phosphatase (ALP) activities increased due to CP administration. Also, enzymatic antioxidants; superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT) and glutathione (GSH) level were shown to had decreased upon CP administration. After ZO was supported by antioxidant system and decreased malondialdehyde (MDA) levels. It was determined that CP administration increased nitric oxide (NO), 8-hydroxy-2'-deoxyguanosine (8-OHdG), cysteine aspartate specific protease-3 (caspase-3), tumor necrosis factor-alpha (TNF-α), nuclear factor kappa B (NF-κB) and B-cell lymphoma-3 (Bcl-3) levels while arginase activity reduced, ZO administrations could have been the main cause of the improved effects on the parameters.