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Abstract Title:

Bisphenol A induced oxidative stress and apoptosis in mice testes: Modulation by selenium.

Abstract Source:

Andrologia. 2017 Jul 18. Epub 2017 Jul 18. PMID: 28719015

Abstract Author(s):

S Kaur, M Saluja, M P Bansal

Article Affiliation:

S Kaur

Abstract:

Spermatogenesis, a highly coordinated process, is prone to environmental insults which may lead to impaired spermatogenesis or, at worst, infertility. Bisphenol A (BPA) is a well-known global environmental toxicant and a ubiquitous oestrogenic chemical. This study evaluated the role of selenium (0.5 ppm sodium selenite/kg diet) on spermatogenesis after BPA treatment in different groups of male BALB/c mice: control, selenium, BPA and selenium+BPA. Markers of oxidative stress and apoptosis were evaluated in testis after BPA treatment. Significant decrease in sperm concentration and motility andincreased reactive oxygen species(ROS) and LPO levels were seen in BPA group. Histopathological changes revealed extensive vacuolisation, lumen devoid of spermatozoa and decreased germ cell count, confirmed by testicular germ cell count studies. TUNEL assay for apoptosis showed increased number ofTUNEL-positive germ cells in BPA group with increased percentage apoptotic index. However, in Se+BPA group, histopathological studies revealed systematic array of all germ cells, preserved basement membrane with relatively less vacuolisation, improved sperm parameters and ROS and LPO levels and decreased number of TUNEL-positive germ cells. These results clearly demonstrate the role of selenium in ameliorating oxidative stress and apoptosis induced upon BPA treatment in mice and can be further used as therapeutic target in male infertility.

Study Type : Animal Study

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Sayer Ji
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