Decreasing the side effects of chemotherapy in testis has been the subjects of many studies. In this study, the protective effects of Zingiber officinale extract on rat testis were investigated after chemotherapy with cyclophosphamide. Histological and biochemical parameters were compared in cyclophosphamide-treated rats with or without ginger extract intake. Wistar male rats were randomly divided into four groups each 10. The control group received a single injection of 1 ml isotonic saline intraperitoneally. The Cyclophosphamide (CP) group received a single dose of cyclophosphamide (100 mg kg(-1) BW) intraperitoneally. CP + 300 and CP + 600 groups received orally 300 or 600 mg of ginger extract, respectively, for a period of 6 weeks after cyclophosphamide injection. The morphologic and histological structure of the testis was compared in different groups of the rats. Also, factors like malondialdehyde, reactive oxygen species, total antioxidant capacity and testosterone level were assessed in blood serum as well. Our results showed that although ginger extract could not change testis weight, malondialdehyde (MDA) and ROS, but antioxidant and testosterone levels in serum were increased significantly. Also, an obvious improved histological change was seen in CP + 300 and CP + 600 groups in comparison with CP group. These protective effects of ginger on rat testis after cyclophosphamide treatment could be attributed to the higher serum level of antioxidants.
SUMMARY:Vasectomy is a common contraceptive procedure in men. The present study is aimed to explore the impact of vasectomy on epididymal morphology and sperm parameters in adult male Balb/c mice. Twenty adult (age: 8 weeks) male Balb/c mice, weighting 20-30 g were used in the experiments. They were divided into 2 groups (vasectomy and sham). The operations were performed under sodium pentobarbital (40 mg/kg body weight, IP) anesthesia via a lower mid-abdominal incision. The left epididymis caput was fixed for histological studies and the right one was used for sperm count and motility. Progressive fast and slow sperm motility were significantly decreased in the vasectomized compared to the sham operation group (P<0.05) and the number of immotile sperm in the vasectomized group was increased in comparison to control group. Sperm granuloma was seen in 60% of epididymis after vasectomy. Also, Histological study showed an increase in tubular lumen diameter, interstitial space and infiltration of immune cells in interstitial tissue in vasectomized group. Vasectomy increases histopathological changes in epididymis and decreases the motility of sperm developing a reduction in fertility rates.
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