Figure 3: Typical Northern blots (panel A) and relative mRNA contents of sarcoplasmic reticular ryanodine receptor (RyR, panel B), alpha myosin heavy chain (a-MHC, panel C), and beta myosin heavy chain (-MHC, panel D) isozymes from sham and infarcted (MI) rat hearts with or without treatment. Values are mean SE of 6 animals in each group. PRAZ - Prazosin; *P<0.05 compared with sham