Influence of iron metabolism on manganese transport and toxicity.

Influence of iron metabolism on manganese transport and toxicity.
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DOI:
10.1039/c7mt00079k
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发表时间:
2017-08-16
期刊:
Metallomics : integrated biometal science
影响因子:
--
通讯作者:
Kim J
Kim J
中科院分区:
其他
文献类型:
--
作者:
Ye Q;Park JE;Gugnani K;Betharia S;Pino-Figueroa A;Kim J

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尽管锰(Mn)对于各种代谢酶和辅因子的正常功能至关重要,但大脑中过量的锰会导致神经毒性。虽然锰的确切转运机制尚未完全清楚,但在过去十年中已经确定了几种锰的摄入蛋白和外排蛋白。除了锰特异性转运蛋白外,已有研究表明铁转运蛋白可以介导大脑和外周组织中的锰转运。然而,尽管铁转运蛋白的表达受体内铁储存的调节,但铁代谢紊乱是否会改变锰的体内稳态尚未得到系统讨论。本综述将提供铁状态改变在锰转运和毒性中的作用的最新进展。
Although manganese (Mn) is critical for proper function of various metabolic enzymes and cofactors, excess Mn in the brain causes neurotoxicity. While the exact transport mechanism of Mn has not been fully understood, several importers and exporters for Mn have been identified over the past decade. In addition to Mn-specific transporters, it has been demonstrated that iron transporters can mediate Mn transport in the brain and peripheral tissues. However, while the expression of iron transporters is regulated by body iron stores, whether or not disorders of iron metabolism modify Mn homeostasis has not been systematically discussed. The present review will provide an update on the role of altered iron status in the transport and toxicity of Mn.
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