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The effect of green coffee and/or endurance exercise on sperm function in pre‐diabetic mice

This study aimed to investigate the effect of green coffee (GC), chlorogenic acid (CA) as an active ingredient of GC and exercise, alone or in a combination with exercise, on spermatogenesis and sperm function in pre‐diabetic mice. Results revealed that pre‐diabetic status can have a significant adverse effect on spermatogenesis (Johnson score), and sperm concentration, motility, DNA damage and persistent histone in compared to the control group. Although lipid peroxidation, intracellular ROS production, and persistent histones in sperm were high in pre‐diabetic mice, exercise only can improve sperm motility. GC alone only improved sperm motility in pre‐diabetic mice while CA alone, even did not have this beneficial effect. However, GC along with exercise, did not improve motility but reduce DNA damage, while CA with exercise, significantly improved motility compared to pre‐diabetic stage and to the level comparable to control. Therefore, based on this result in individuals with high DNA damage, GC supplementation and exercise could be useful approach while in asthenozoospermia, CA supplementation and exercise should be considered as an alternative approach. However, such an interpretation awaits validation.