期刊
MOLECULAR REPRODUCTION AND DEVELOPMENT
卷 87, 期 5, 页码 565-573出版社
WILEY
DOI: 10.1002/mrd.23345
关键词
cadmium; endocrine disruptor; PREP; testis; zinc
资金
- Ricerca di Ateneo 2018, Universita della Campania Luigi Vanvitelli
- Scientific Research and Technology of Tunisia: UR Genetique
- Biodiversite et Valorisation des Bioressources ISBM Monastir, Tunisia
During the differentiation of the male gamete, there is a massive remodeling in the shape and architecture of all the cells of the seminiferous epithelium. The cytoskeleton, as well as many associated proteins with it, plays a pivotal role in this process. The testis is particularly susceptible to environmental pollutant, which can lead to injury and impairment of normal spermatozoa production. Cadmium (Cd) is one of the major chemical environmental toxicants in economically developed countries. Food and cigarettes are the main sources of exposure to this element. Here, the protective role of zinc (Zn) to prevent the testicular toxicity in male adult rats after prenatal and during lactation exposure to Cd has been assessed. Altered testicular histology at the interstitial and germinal levels was found, whereas Zn supply completely corrected Cd toxicity. Moreover, the effects of these metals on the testicular expression and localization of the protease prolyl endopeptidase (PREP) were evaluated. Interestingly, the results showed an increase of PREP messenger RNA and protein. Data were corroborated by immunofluorescence. This study raises the possibility of using PREP as a new fertility marker.
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