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  • Title: Effect of separate and combined exposure of selenium and diazinon on rat sperm motility by computer assisted semen analysis.
    Author: Toman R, Hluchy S, Cabaj M, Massanyi P, Roychoudhury S, Tunegova M.
    Journal: J Trace Elem Med Biol; 2016 Dec; 38():144-149. PubMed ID: 27230671.
    Abstract:
    Effects of selenium (Se) and diazinon (DZN) on sperm motility parameters in rats were investigated. Male rats received a separate dose of Se (2mgkg-1 b.w., intraperitoneally, 5mgL-1, per os in drinking water), diazinon (20mgkg-1 b.w., intraperitoneally, 40mgL-1, per os in drinking water), and in combination (Se+DZN) with the same dosage as in the separate administration. 36h an intraperitoneal (i.p.) and after 90days of per oral (p.o.) exposure, thirteen parameters of sperm motility were evaluated using a Computer Assisted Sperm Analyzer (CASA). Almost all the evaluated sperm motility parameters significantly decreased in Se p.o. exposed groups. In the Se i.p. group decrease was noted only in beat cross frequency (BCF) and progressive motility. Significant decline in the sperm motility, progressive motility, BCF and increase in amplitude of lateral head displacement (ALH) were recorded after DZN i.p. administration. In DZN p.o. group, significant increase in ALH, velocity average path (VAP) and curvilinear velocity (VCL) but decrease in progressive motility and BCF was detected. Se+DZN i.p. administration caused a significant decrease in motility, progressive motility and BCF. Per oral administration of Se+DZN decreased all motility parameters except LIN, WOB and ALH. Sperm abnormalities increased in all experimental conditions. Se and DZN negatively affected sperm structure and function in separate doses or in combination. No protective effect of Se was observed.
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