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. 2019 Apr 21;15(5):1020–1029. doi: 10.7150/ijbs.27825

Figure 4.

Figure 4

Sqstm1 regulates ROS balance through KEAP1/NRF2 signaling. (A) ROS measurement via DCFDA probe detection. (B) Examination of IL8, CXCL1, and CXCL2 mRNA level upon NAC treatment in PaSCs. (C) Western blot analysis for KEAP1 and NRF2 in sqstm1-shRNA transfected PaSCs. (D) Immunofluorescence for NRF2 in sqstm1-downregulated PaSCs. Scale bar represents 10 μm. (E) qPCR for Nqo1 between negative control and sqstm1-shRNA transfected PaSCs. (F) Validation of NRF2 expression change upon siRNA transfection in PaSCs by qPCR. (G) β-galactosidase staining for PaSCs upon transfection of NRF2-siRNA. Scale bar represents 20 μm. ** p < 0.01, *** p < 0.001, **** p < 0.0001.