Figure 2.

Tissue levels of Fn14 from atrial appendage were higher in patients with AF than those with NSR. A, Western blot analysis of Fn14 protein expression from NSR and AF subjects. B, Fn14 protein expression from NSR and AF subjects by immunohistochemistry. C, Representative HE staining of transverse sections from human atrial appendages (scale bar: 50 μm). D, Quantitative analysis of B. E, Quantitative analysis of C. AF, atrial fibrillation. NSR, normal sinus rhythm. *P < .05 vs NSR subjects group