Can Melatonin Help Us in Radiation Oncology Treatments?

Figure 2

Effect of melatonin pretreatment (10 mg/kg) on NO levels of serum at 4, 24, 48, and 72 hours after exposure to 2 Gy irradiation. Vertical bars represent mean + SEM, 𝑛=5 for each group. Con: control; Mel: melatonin only; 2 Gy Rad: 2 Gy irradiation only; Mel + 2 Gy Rad: melatonin treatment and 2 Gy irradiation. ^†𝑃<0.05 when compared with their respective control groups, and ^∗𝑃<0.05 when compared with their respective 2 Gy Rad groups [14].