3ar
3ar-
Compared with Sham group , the level of β 3AR mRNA expression was significantly increased in heart failure control group and metoprolol group ( P < 0.01 ), but there was no significant difference between the two groups ( P > 0.05 ) .
心衰对照组、美托洛尔组心室β3受体mRNA表达明显高于假手术组（P<0.01），但心衰对照组、美托洛尔组之间比较无统计学意义（P>0.05）。