Fig. 5From: The increased motion of lumbar induces ligamentum flavum hypertrophy in a rat modela Immunohistochemistry of TGF-β1, IL-1β, and Col 1 in the L5/6 LF of the experimental and sham group at 8 weeks after the surgery. b Comparison of immunopositive cells numbers and MOD value. c Comparison of mRNA levels (expansion fold). Original magnification ×400, Scale bar, 50 μmBack to article page