Fig. 4

Verification of C9, CFHR5, and MMP3 in synovial fluid by western blot. a Western blot analysis in the original synovial fluid sample set: A; AS (n = 10), R; RA (n = 10), G; gout (n = 10), and O; OA (n = 10). b Western blot analysis in the independent sample set: AS (n = 5), RA (n = 5), gout (n = 5), OA(n = 5). Transferrin was used as an input amount control