Research Article

Effect of Melatonin Intake on Oxidative Stress Biomarkers in Male Reproductive Organs of Rats under Experimental Diabetes

Figure 4

Glutathione peroxidase activity (U/mg protein) in blood (a), ventral prostate (b), testis (c), and epididymis (d) of rats. C1: one-week control; M1: one-week control treated with melatonin; D1: one-week diabetic; MD1: one-week diabetic treated with melatonin; C2: two-month control; M2: two-month control treated with melatonin; D2: two-month diabetic; MD2: two-month diabetic treated with melatonin ( animals/group). Different lowercase letters indicate statistical differences among short-term experimental groups (parametric data: (c); nonparametric data: (a), (b), and (d)). Different uppercase letters indicate statistical differences among long-term experimental groups (parametric data: (b), (c), and (d); nonparametric data: (a)). # Indicates a statistical difference between experimental periods (nonparametric data).
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