Evaluation of short and long-term effects of LPS-induced endotoxemia on mice sperm indices

Document Type : Full Research Paper

Authors

1 Assistant Professor of Clinical Sciences Department, School of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.

2 Associated Professor of Clinical Sciences Department, School of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.

3 Professor of Clinical Sciences Department, School of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.

4 Graduat Student of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.

Abstract

Lipopolysaccharide (LPS) is part of the outer cell wall structure of gram-negative bacteria. The aim of this study was to investigate the short and long-term effects of LPS-induced endotoxemia from Escherichia coli O55:B5 on mice sperm indices. Thirty apparently healthy and sexually mature male NMRI mice aged 2 months and weighing averagely 27-31 gr were used in this study. Mices divided in to two groups of 15 mices; the control group and experimental group were received 0.1 steril normal sailin and 6750 µg kg-1 BW LPS by IP injection, respectively. Epididimal sperm sample were obtained from both testes of five cases in each group at 3, 30 and 60 day after induced endotoxemia. In experiment group, all sperm indices at 3rd and 30th day were significantly decreased in comparsion with the control group and the maximum reduction was seen after three day from induced endotoxemia (P < 0.001). Also, 60 day from endotoxemia, there were significantly differences between two groups of study in motility and progressive motility sperm indices and these indices were not return to the normal values. Endtoxemia condition has making destructive effects on sperm and spermatogenesis in short and long-term even during two months or about two times more than spermatogenesis duration.

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References

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Veterinary Research & Biological Products
Volume 31, Issue 2
May 2018
Pages 171-177

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History

  • Receive Date: 17 December 2017
  • Revise Date: 21 February 2018
  • Accept Date: 04 March 2018

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