Objective To observe the effects of nifedipine, a blocker of L-type Ca 2+ channel, on soleus weight and expression of myosin heavy chain(MHC) isoforms in control and tail-suspended rats.

• 目的观测L型钙离子通道抑制剂硝苯地平对尾部悬吊大鼠比目鱼肌重量,以及肌球蛋白重链(MHC)表达水平的影响。