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Effect of PFOS on MMP in L-02 cells. MMP was measured using Rh123 staining (n = 3). (a) L-02 cells were treated with 200 μmol/L PFOS for 6 hrs, 12 hrs, and 24 hrs. (b) L-02 cells were treated with 200 μmol/L PFOS for 12 hrs, or L-02 cells were pretreated with NAC for 24 hrs and then exposed to 200 μmol/L PFOS for 12 hrs. ∗P < 0.05 compared with the control group, #P < 0.05 between the indicated groups.
