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Effects of pg-LPS on SHH pathway-related proteins and Nrf2 in PDLSCs. (a) Western blot analysis was used to detect the effect of pg-LPS on SHH, Gli1 and CUL3 in PDLSCs. (b) Western blot analysis was used to detect the effect of pg-LPS on Nrf2 and NQO1 in PDLSCs. *p < 0.05, **p < 0.01 and ***p < 0.001 vs. 0 μg/ml. CUL3: Cullin3
