Effects of tocotrienol on iNOS expression, iNOS activity and plasma NO production. The effects of tocotrienol on iNOS protein expression by (A) western blot assays, and statistical analysis of (B) iNOS protein expression levels, (C) iNOS activity and (D) plasma NO production 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; iNOS, inducible nitric oxide synthase; NO, nitric oxide.