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单核巨噬细胞系统铁代谢调控机制 被引量:3

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摘要 机体存在着严格的铁代谢调节机制,确保体内的铁始终处于正常的生理水平.单核巨噬细胞系统(mononuclear phagocyte system,包括单核细胞、巨噬细胞及其前体细胞)在机体铁稳态的调节过程中起着关键的作用,不仅可以从衰老的红细胞中回收铁,还可以作为过量铁的贮存库,在机体需铁时将其释放到血液.然而,调控这一过程的分子机制还不甚清楚,近年来,随着CD163,天然抵抗力相关巨噬细胞蛋白1(natural resistance-associated macrophage protein 1,Nramp1),二价金属离子转运蛋白1(divalent metal transporter 1,DMT1),HFE(HLA-linked hemechromatosis gene,HFE),膜铁转运蛋白1(ferroportin 1,FPN1),尤其是铁调素(hepcidin)的相继发现,使人们对单核巨噬细胞系统的铁代谢过程和调控机制有了较为全面的了解,为人们正确理解机体铁稳态和相关疾病提供了很大帮助.
出处 《自然科学进展》 北大核心 2008年第6期615-621,共7页
基金 国家自然科学基金(批准号:30570957) 河北省自然科学基金(批准号:C2006000155) 河北师范大学科研基金(批准号:L2003B15)资助
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