Research Article

Selenium Attenuates TBHP-Induced Apoptosis of Nucleus Pulposus Cells by Suppressing Mitochondrial Fission through Activating Nuclear Factor Erythroid 2-Related Factor 2

Figure 7

Se ameliorated puncture-induced rat IDD in vivo. (a) Histological analysis of the IVD samples (/group) by HE staining and SO staining, and the IHC staining of Nrf2, collagen II, and MMP13. (b) Histological grading scores assessed according to HE staining and SO staining. (c) IHC staining analysis for Nrf2, collagen II, and MMP13 expressions in the rat NP samples. Significant differences between groups are indicated as , .
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