Fig. 2
From: Bach1 deficiency reduces severity of osteoarthritis through upregulation of heme oxygenase-1
Expression of heme oxygenase-1 (HO-1) in knee joints in aging and osteoarthritis (OA). a Knee joints from 3-month- (3 M), 12-month (12 M) and 22-month (22 M)-old wild-type mice (n = 3–4 per group) were collected and the sections were assessed by immunohistochemistry. Original magnification × 10; scale bars 200 μm. b Values are expressed as means ± SD. Statistical analysis was performed with the Steel–Dwass test; *P <0.05