8 hydroxydeoxyguanosine 1 8-hydroxy-2-deoxyguanosine 1 Animals 1 Apoptosis Inducing Factor Article 1 Cell Shape 1 DNA Fragmentation 1 DNA damage 1 DNA fragmentation 1 DNA repair 1 Gene Expression Regulation 1 Glutathione Peroxidase 1 Histone Acetyltransferases 1 Leptin 1 Male 1 Melatonin 1 Oxidative Stress 1 Rats 1 Rats, Sprague-Dawley 1 Sperm 1 Sperm Count 1 Spermatozoa 1 Sprague Dawley rat 1 TUNEL assay 1 adult 1 animal 1 antioxidant activity 1 apoptosis 1 apoptosis inducing factor 1 cell death 1