Administration of troxerutin improves testicular function and structure in type-1 diabetic adult rats by reduction of apoptosis.

OBJECTIVE: The glucose-reducing effects of troxerutin was previously proven. This study was conducted to evaluate troxerutin effect on testicular structure and spermatozoid parameters in type-1 diabetic adult male rats. MATERIALS AND METHODS: Fifty male Wistar rats were randomly classified into 5 groups as follows: control (C), troxerutin (T), diabetic (DM), troxerutin-treated DM (DT) and insulin-treated DM (DI). Testicular structure, apoptosis, lipid peroxidation and antioxidant activity, and spermatozoid parameters were assessed 4 weeks after initiation of the interventions. RESULTS: The results revealed that diabetes caused testicular stereological changes and significantly increased blood glucose level, testicular MDA content and apoptosis but decreased insulin level, testicular GPX activity, and sperm parameters compared to controls (p<0.001 to p<0.05). Administration of troxerutin and insulin could significantly reduce blood glucose level and improve testicular MDA content, testicular stereological findings and apoptosis compared to DM group (p<0.001 to p<0.05). CONCLUSION: Taken together, troxerutin, comparable to insulin, effectively improved DM-induced testicular dysfunction and sperm parameters in diabetic rats and these effects might be mediated through troxerutin's anti-apoptotic effects.

Protective effects of troxerutin on maternal high-fat diet-induced impairments of spatial memory and apelin in the male offspring.

OBJECTIVES: Maternal high-fat diet (HFD) is linked with metabolic and cognitive deficits in offspring. Neuroprotective effects of troxerutin, a natural bioflavonoid, have been reported recently. This study aimed to investigate the effects of troxerutin on spatial memory and serum and hippocampal apelin levels in the male offspring of HFD fed mothers. MATERIALS AND METHODS: Three-week-old female Wistar rats (n= 40) received HFD or control diet (CD) for 8 weeks. After mating, pregnant animals were divided into two subgroups according to the troxerutin (TRO) supplementation: CD, CD+TRO, HFD, and HFD+TRO. HFD continued to the end of lactation in HFD and HFD+TRO groups. TRO was gavaged (150 mg/kg/day) during pregnancy. After weaning, the male offspring were fed a normal diet until 12 weeks of age. Spatial memory was evaluated in the Morris water maze (MWM) on postnatal day (PND) 90. Total apelin concentration was measured in the serum of maternal rats before mating and after lactation and also in the serum and hippocampus of their male offspring. RESULTS: Both traveled distance (P<0.05) and time spent (P<0.05) in the target quadrant were significantly decreased in the offspring of HFD-fed dams, which were reversed by TRO treatment. Moreover, TRO significantly (P<0.05) decreased serum apelin levels in dams. Furthermore, TRO treatment in dams significantly (P<0.05) increased serum and hippocampal levels of apelin in their offspring. CONCLUSION: These results indicated that TRO treatment during pregnancy improved maternal HFD-induced spatial memory impairments of the offspring possibly through modulation of serum and hippocampal apelin levels.