Naringin protects human nucleus pulposus cells against TNF-α-induced inflammation, oxidative stress, and loss of cellular homeostasis by enhancing autophagic flux via AMPK/SIRT1 activation

Figure 2

Effect of naringin on TNF-α-induced microinflammatory environment. (a) The level of COX-2 protein was measured by Western blotting. (b) Extracellular pH was detected by pH-indicator paper and pH meter. The data represent the . Significant differences between groups are indicated as , , and , .

(a)

(b)