期刊
BIOTECHNIC & HISTOCHEMISTRY
卷 93, 期 3, 页码 157-167出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10520295.2017.1401661
关键词
apoptosis; cisplatin; L-carnitine; prepubertal rats; sperm
资金
- Trakya University Scientific Research Committee, Edirne, Turkey [2014/87]
We investigated the possible protective effects of L-carnitine on cisplatin induced prepubertal gonadotoxicity and on adult sperm. Prepubertal 30-day-old male rats were divided randomly into three groups: control (n=12), cisplatin exposed (n=16) and carnitine treated after cisplatin exposure (n=16). Rats in the experimental groups were injected with a single dose of cisplatin. L-carnitine was injected 1h before cisplatin administration and for the following 3days for the cisplatin + carnitine group. The rats were sacrificed at 31 or 90days old and their testes were harvested for morphometric and histopathological analysis. Testes of 31-day-old prepubertal rats were examined for germ cell apoptosis using the TUNEL method and for proliferation using PCNA immunostaining. The morphology, motility, quantity and vitality of sperm in epididymal fluid samples of adult 90-day-old rats also were evaluated. L-carnitine treatment reduced testicular damage and the number of TUNEL positive cells significantly, while the number of PCNA positive cells in the cisplatin + carnitine group increased compared to the cisplatin group. During the adult period, epididymal sperm count and viability were improved in rats treated with L-carnitine before prepubertal cisplatin injection. L-carnitine may reduce late testicular and spermatic damage caused by cisplatin administration to prepubertal rats by inducing germ cell proliferation and preventing apoptosis.
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