The Negative Impact of Unsaturated Fatty Acids and Lipid Peroxidation

The association between male infertility and the peroxidation of polyunsaturated fatty acids (PUFA) has been appreciated since the landmark studies of Thaddeus Mann and colleagues at the University of Cambridge. Mann et al. drew attention to the vulnerability of human spermatozoa to lipoperoxidative damage because of their particularly high PUFA content [23] . They also demonstrated that when washed human spermatozoa were treated with as little as 30 nmol of lipid peroxide/mL, they become irreversibly immotile within a few minutes. In addition, this seminal paper [23] highlighted the significance of seminal plasma antioxidants in protecting spermatozoa from oxidative damage.

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