Seasonal fluctuation in the secretion of the antioxidant melatonin is not associated with alterations in sperm DNA damage

• Published in: Asian Journal of Andrology
• Main Authors: Malm, Gunilla, Haugen, Trine B., Rylander, Lars, Giwercman, Aleksander
• Format: Article in Journal/Newspaper
• Language: English
• Published: Medknow Publications 2018
• Subjects: Male infertility; Melatonin; Semen quality; Sperm DNA indexes; Arctic; Rho; Tromsoe
• Online Access: https://hdl.handle.net/10642/5945; https://doi.org/10.4103/1008-682X.186870

A high sperm DNA fragmentation index (DFI) is associated with reduced fertility. DFI is influenced by the balance between reactive oxygen species and antioxidants. A circannual variation in melatonin, an antioxidant and free radical scavenger, could thus impact semen quality and fertility. The assoc...