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微量元素锰与脑功能 被引量:5

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摘要 锰是生物体内涉及神经科最广泛的生命元素,对维持脑功能起重要作用。缺乏及过量均会出现智力及行为的障碍,机体缺锰可导致脑细胞DNA、RNA聚合酶合成障碍,从而影响了脑细胞分裂增殖。而机体锰过量,可致脑部锰蓄积,过量的锰抑制了脑细胞中线粒体内三羟酸循环、氧化磷酸化,使神经递质转运障碍及突触传导受阻,并破坏了其它微量元素的平衡而影响脑功能。
作者 任榕娜
出处 《国外医学(妇幼保健分册)》 1998年第1期6-8,共3页 Foreign Medical Sciences (Section of Maternal and Child Health)
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