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. 2017 Sep 19;7:11889. doi: 10.1038/s41598-017-12349-9

Figure 4.

Figure 4

Effects of MI-2 on CIA in a DBA/1 J mouse model. (a) Photographs of the paws of CIA mice treated with vehicle or MI-2. (b) CIA scores in CIA mice treated with vehicle (n = 6) or MI-2 (n = 6). (c) Haematoxylin and eosin-stained sections of a CIA joint 42 d after primary immunisation in CIA mice treated with vehicle or MI-2 by intraperitoneal injection of 25 mpk once per day initiated 24 d after primary immunisation. B: bone, ST: synovial tissue, JC: joint cavity, arrows: sites of inflammation, arrow heads: lining layers of the synovial tissue. (d) TRAP-stained sections of a CIA joint 42 d after primary immunisation in CIA mice treated with vehicle or MI-2 by intraperitoneal injection of 25 mpk once per day, initiated 24 d after primary immunisation. B: bone, arrows: TRAP-positive sites, (e) Evaluation of synovitis and erosion of bone and cartilage in joint sections in CIA mice treated for 18 d as indicated. *, significant differences based on 2-tailed unpaired Student’s t-tests at P < 0.05. The error bars show the s.e.m. values.