Effects of tocotrienol on the expression of TGF-β. The effects of tocotrienol on TGF-β protein expression as showed by (A) western blot assay and (B) statistical analysis of TGF-β protein expression 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; TGF-β, transforming growth factor-β.