Fig. 4From: Semaphorin 3A attenuates cardiac autonomic disorders and reduces inducible ventricular arrhythmias in rats with experimental myocardial infarctionHistological study of cardiac nerve fibers at the infarcted border zone in sham-operated and infarcted hearts. Immunohistochemistry staining for tyrosine hydroxylase (magnification × 200): (a), MI-CON (b), MI-SiRNA (c), MI-GFP (d), MI-PBS (e), and MI-Sema (f) groupsBack to article page