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. 2021 Nov 11;12:6540. doi: 10.1038/s41467-021-26750-6

Fig. 8. Targeting chondrocyte retards AS progression in CD4-CKO mice.

Fig. 8

7-month-old CD4-CKO mice and CD4-Cre littermates were orally gavaged with Smo inhibitor, sonidegib (100 mg/kg) for 4 months. a Pathological score (n = 6). b Gross images. c X‐ray images. (b and c) Scale bars: 1 cm. d Femur bone mineral density (BMD). (n = 6) e H&E staining of knee joints. f SOFG staining of knee joints. g and h μ-CT radiographs of knee joint (g) and spine (h) of 11-month-old mice. Arrows show ectopic new bone formation. Scale bars: 2.5 cm. i Immunohistochemical staining of pSmad1/5 protein levels in knee joint of 11-month-old mice. e, f, i Scale bars: 100 μm. a, d Data are presented as mean ± SEM. **p < 0.01, ***p < 0.001, determined by two-tailed Student’s t-test. b, c, ei Data are representative of three independent biological replicates. j The mechanism of AS-like bone disease in CD4-CKO mice.