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[宋慧文,王琳.中华心血管病杂志,2008,36(8):735～737]为验证缺氧复氧诱发的新生大鼠心肌细胞蛋白质酪氨酸磷酸酶-1B(PTP-1B)的表达和活性的增加是否由一氧化氮(NO)介导。采用分离的新生大鼠心肌细胞,随机分为正常组、缺氧复氧组、非特异性一氧化氮合成酶抑制剂L-NAME组(L-NAME
To verify the hypoxia-reoxygenation induced cardiomyocyte protein tyrosine phosphatase-1B (PTP-1B) Whether the increase in expression and activity is mediated by nitric oxide (NO). Isolated neonatal rat cardiomyocytes were randomly divided into normal group, hypoxia-reoxygenation group and non-specific nitric oxide synthase inhibitor L-NAME group (L-NAME