Fig. 2From: TGF-β regulates nerve growth factor expression in a mouse intervertebral disc injury modelAdministration scheme of transforming growth factor-β (TGF-β) inhibitor. SB431542 or DMSO (vehicle) was intraperitoneally injected into mice with intervertebral disc injury 1 and 2 days before harvesting intervertebral discs at post-injury day 1, 3, and 7Back to article page