Fig. 2From: LIPUS inhibits inflammation and catabolism through the NF‐κB pathway in human degenerative nucleus pulposus cellsLIPUS inhibits LPS-mediated catabolic effect in human NP cells. a The protein expression of aggrecan, collagen II, MMP-3 and MMP-9 was measured by Western blot. b The mRNA expression of aggrecan, collagen II, MMP-3 and MMP-9 was measured by RT-PCR. The results are presented the means ± SD. *P < 0.05Back to article page