Tea Polyphenol Attenuates Oxidative Stress-Induced Degeneration of Intervertebral Discs by Regulating the Keap1/Nrf2/ARE Pathway

Figure 4

TP alleviated the oxidative stress in nucleus pulposus cells caused by H₂O₂. (a–e) The relative mRNA of iNOS, NOX4, SOD2, LDH, and T-AOC came back to normal after the treatment of both H₂O₂ and TP. (f, g) The relative protein level of SOD2 came back to normal after the treatment of both H₂O₂ and TP.

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