本文研究了硝酸铈对大白鼠内脏组织、大脑及骨骼肌中一氧化氮、一氧化氮合成酶的影响.结果显示,腹腔注射高浓度的稀土后,大鼠肝脏、心脏、肾脏、骨骼肌中一氧化氮、一氧化氮合成酶的水平明显增加,注射低浓度的稀土后,肝脏、肾脏内一氧化氮的量显著增加.提示稀土能够广泛影响机体一氧化氮、一氧化氮合酶的水平,一氧化氮有可能参与了稀土的中毒过程.
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