Fig. 2

Gene expression by site. Data were presented on a logarithmic scale. n = 10 for each bar chart. * p < 0.01, ** p < 0.05; the Kruskal–Wallis test with Dunns multiple comparison test. Abbreviations: SI, shoulder instability; FS, frozen shoulder; RCT, rotator cuff tear; RI, rotator interval; AX, axillary recess; SAB, subacromial bursa; MMP, matrix metalloprotease; IL, interleukin; TNF, tumor necrosis factor-α; IGF1, insulin-like growth factor-1; TGFB1, transforming growth factor-β; NGF, nerve growth factor; NGFR, nerve growth factor receptor; COL1A1, α1 type I collagen; COL2A1, α1 type II collagen; ACTA2, actin alpha 2; SOX9, SRY-box transcription factor 9; GAPDH, glyceraldehyde-3-phosphate dehydrogenase