Fig. 4From: Comparison of transforming growth factor beta expression in healthy and diseased human tendonIsotype control staining of diseased human rotator cuff tendons. Panel shows representative images of diseased tendon sections stained with isotype control antibodies for mouse IgG1, IgG2a, IgG2b and rabbit IgG fractions. Nuclear counterstain is haematoxylin. Scale bar = 50 μm. Ig immunoglobulinBack to article page