Reproduction, Fertility and Development Reproduction, Fertility and Development Society
Vertebrate reproductive science and technology
RESEARCH ARTICLE

Antiperoxidative and anti-apoptotic effects of lycopene and ellagic acid on cyclophosphamide-induced testicular lipid peroxidation and apoptosis

Gaffari Türk A E , Ali Osman Çeribaşi B , Fatih Sakin C , Mustafa Sönmez A and Ahmet Ateşşahin D
+ Author Affiliations
- Author Affiliations

A Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Fırat University, 23119, Elazığ, Turkey.

B Department of Pathology, Faculty of Veterinary Medicine, Fırat University, 23119, Elazığ, Turkey.

C Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Mustafa Kemal University, 31040, Hatay, Turkey.

D Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Fırat University, 23119, Elazığ, Turkey.

E Corresponding author. Email: gturk@firat.edu.tr

Reproduction, Fertility and Development 22(4) 587-596 https://doi.org/10.1071/RD09078
Submitted: 28 March 2009  Accepted: 20 October 2009   Published: 9 March 2010

Abstract

The present study was conducted to investigate the possible protective effects of lycopene (LC) and ellagic acid (EA) on cyclophosphamide (CP)-induced testicular and spermatozoal toxicity associated with the oxidative stress and apoptosis in male rats. Forty-eight healthy adult male Sprague-Dawley rats were divided into six groups of eight rats each. The control group was treated with placebo; the LC, EA and CP groups were given LC (10 mg kg–1), EA (2 mg kg–1) and CP (15 mg kg–1), respectively, alone; the CP+LC group was treated with a combination of CP (15 mg kg–1) and LC (10 mg kg–1); and the CP+EA group was treated with a combination of CP (15 mg kg–1) and EA (2 mg kg–1). All treatments were maintained for 8 weeks. At the end of the treatment period, bodyweight and the weight of the reproductive organs, sperm concentration and motility, testicular tissue lipid peroxidation, anti-oxidant enzyme activity and apoptosis (i.e. Bax and Bcl-2 proteins) were determined. Administration of CP resulted in significant decreases in epididymal sperm concentration and motility and significant increases in malondialdehyde levels. Although CP significantly increased the number of Bax-positive (apoptotic) cells, it had no effect on the number of Bcl-2-positive (anti-apoptotic) cells compared with the control group. However, combined treatment of rats with LC or EA in addition to CP prevented the development of CP-induced lipid peroxidation and sperm and testicular damage. In conclusion, CP-induced lipid peroxidation leads to structural and functional damage, as well as apoptosis, in spermatogenic cells of rats. Both LC and EA protect against the development of these detrimental effects.

Additional keywords: sperm characteristics.


Acknowledgements

The authors acknowledge the financial support of The Scientific and Technological Research Council of Turkey (TÜBİTAK; project no. 106O123. In addition, the authors express their gratitude to Professor Dr Mehmet Çalıcıoğlu (Department of Food Hygiene, Faculty of Veterinary Medicine, Fırat University, Elazığ, Turkey) for help with the English expression.


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