Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0890-6238(97)00032-4
Title: Detection of oxidative DNA damage in human sperm and the association with cigarette smoking
Authors: Shen, H.-M. 
Chia, S.-E. 
Ni, Z.-Y.
New, A.-L.
Lee, B.-L.
Ong, C.-N. 
Keywords: 8-hydroxydeoxyguanosine
Cigarette- smoking
Correlation
Cotinine
Sperm quality
Issue Date: 10-Sep-1997
Source: Shen, H.-M., Chia, S.-E., Ni, Z.-Y., New, A.-L., Lee, B.-L., Ong, C.-N. (1997-09-10). Detection of oxidative DNA damage in human sperm and the association with cigarette smoking. Reproductive Toxicology 11 (5) : 675-680. ScholarBank@NUS Repository. https://doi.org/10.1016/S0890-6238(97)00032-4
Abstract: The present study aims to evaluate oxidative DNA damage in human sperm and the association with cigarette smoking. The level of 8- hydroxydeoxyguanosine (8-OHdG) in sperm DNA, cotinine concentration in seminal plasma, and conventional seminal parameters such as semen volume, sperm density, viability, motility, and normal morphology were determined in 60 healthy subjects. It was found that the sperm DNA of smokers contained a significantly higher amount of 8-OHdG than that of nonsmokers (6.19 ± 1.71 vs. 3.93 ± 1.33 8-OHdG/105 dG, P < 0.001). The level of 8-OHdG in sperm DNA was also closely correlated to seminal cotinine concentration (r = 0.38, P < 0.05). These findings suggest that cigarette smoking enhances the extent of DNA damage in sperm. In contrast, no significant difference was observed for conventional parameters between smokers and nonsmokers, suggesting that the level of 8-OHdG in sperm may reflect the deleterious effect of cigarette smoking on sperm quality more accurately than conventional seminal parameters. Further investigation is required to understand the exact biologic and pathologic significance of oxidative damage to sperm DNA and the possibility of using 8-OHdG for the assessment of sperm quality.
Source Title: Reproductive Toxicology
URI: http://scholarbank.nus.edu.sg/handle/10635/113430
ISSN: 08906238
DOI: 10.1016/S0890-6238(97)00032-4
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