Bushenhuoxue Formula Facilitates Articular Cartilage Repair and Attenuates Matrix Degradation by Activation of TGF-β Signaling Pathway

Figure 2

(a) Immunohistochemistry for Col II in both groups at 4 and 8 weeks, Bar=50μm. (b) IOD/Area ratio of Col2 expression. (c) IHC for Mmp13, Bar=200μm. (d) Positive cell ratio of Mmp13. (e) IHC for Runx2, Bar=200μm. (f) Positive cell ratio of Runx2. P<0.05, #P<0.01.

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