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Query: UNIPROT:P56851 (epididymal)
 11,273 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Littermate pairs of crossbred boars were fed 40 ppm zearalenone from 14 to 18 weeks of age, and the effects on reproductive development were examined. Compared to controls, boars fed zearalenone subsequently had reduced libido scores (P greater than.05), and fewer treated animals exhibited mating behavior. Plasma concentrations of testosterone were depressed (P greater than .05) during consumption of zearalenone. Zearalenone did not significantly affect age at which sperm were first voided in the urine (P greater than .25). Body weight and testicular size were not affected by zearalenone. At 36 weeks of age, testicular weight, epididymal weight, spermatid numbers, motility of cauda epididymal sperm and testicular morphology did not differ between control boars and those that had consumed zearalenone.
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PMID:Influence of prepubertal consumption of zearalenone on sexual development of boars. 621 Jun 52

Zearalenone (ZEN) is a non-steroidal estrogenic mycotoxin produced by several species of Fusarium in cereals and agricultural products. It has been implicated in several mycotoxicosis in farm animals and in humans. There is unequivocal evidence of reproductive toxicity of ZEN in male mice although the mechanism of action is unknown. Several reports suggest that exposure to ZEN resulted in oxidative stress, genotoxicity and perturbation of reproductive parameters. Therefore, the aim of the current study was to evaluate the protective effects of aqueous extract of Raphanus sativus growing in Tunisia against ZEN-induced reproductive toxicity and oxidative stress. Fifty male Balb/c mice were divided into five groups and treated for 28 days as follows: the control group, olive oil-treated groups, another treated with ZEN (40 mg/kg b.w), the last one treated with R. sativus extract alone (15 mg/kg b.w) and the other with ZEN + R. sativus extract. Testis samples were collected for the epididymal sperm count, testosterone concentration, and MDA level, GPx, CAT and SOD activities. Blood samples were collected for different biochemical analyses. Also, RAPD-PCR method was performed to assess the antigenotoxic effect of the extract in germ cells. The results indicated that ZEN-induced toxicological effects in accordance to those reported in the literature: decreasing in the sperm number, testosterone level and antioxidant enzyme status. The RAPD-PCR analysis revealed an alteration in the DNA bands patterns between control and ZEN-treated mice. The extract alone, rich in many antioxidant compounds, was safe and succeeded in counteracting the oxidative stress and protect against the toxicity resulting from ZEN.
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PMID:Raphanus sativus extract protects against Zearalenone induced reproductive toxicity, oxidative stress and mutagenic alterations in male Balb/c mice. 1967 99