Effects of tocotrienol on oxidative stress. The effects of tocotrienol on (A) SOD, (B) CAT, (C) GSH-PX and (D) MDA levels in SCI rats. **P<0.05 vs. sham group; ##P<0.05 vs. SCI group. Sham, Sham group; SCI, spinal cord injury group; MPSS, methylprednisolone-treated; Tocotrienol, tocotrienol (120 mg/kg) -treated; SOD, superoxide dismutase; CAT, catalase; GSH-PX, glutathione peroxidase; MDA, malondialdehyde.