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. 2018 Jan 19;8:976. doi: 10.3389/fphar.2017.00976

FIGURE 7.

FIGURE 7

Carnosic acid-mediated protection against BDL-induced liver fibrosis might involve the down-regulation of MMP9, TGF-β1, and its receptor. The expression levels of MMP9 mRNA and MMP9, TGF-β1 and TGF-β R1 protein in livers and LX2 cells were detected. (A) The protein levels of MMP9, TGF-β1 and TGF-β R1 in the liver were analyzed by western blot (n = 3). (B) The mRNA levels of MMP9 in the liver were analyzed by qPCR (n = 6). The data are presented as the means ± SD. ∗∗P < 0.01 versus the sham group; #P < 0.05 versus the BDL group; ##P < 0.01 versus the BDL group. LX2 cells were randomly divided into two groups: control group and CA (20 μM) group. The cells were treated with 20 μM CA for 12 h before the extraction of total protein or RNA. (C) The protein levels of MMP9, TGF-β1 and TGF-β R1 in LX2 cells were analyzed by western blot (n = 3). (D) The mRNA levels of MMP9 in LX2 cells were analyzed by qPCR (n = 3). The data are presented as the means ± SD. ∗∗P < 0.01 versus the control group; P < 0.05 versus the control group.