Figure 9.
Protein expression levels of p38 and phophorylated (pho)-p38 in human nucleus pulposus cells following treatment with interleukin (IL)-2. Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) was used as a housekeeping gene. Data are presented as the mean ± standard deviation. *P<0.05 vs. the control.