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Molecular and cellular bases of iron metabolism in humans

机译:人类铁代谢的分子和细胞基础

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摘要

Iron is a microelement with the most completely studied biological functions. Its wide dissemination in nature and involvement in key metabolic pathways determine the great importance of this metal for uniand multicellular organisms. The biological role of iron is characterized by its indispensability in cell respiration and various biochemical processes providing normal functioning of cells and organs of the human body. Iron also plays an important role in the generation of free radicals, which under different conditions can be useful or damaging to biomolecules and cells. In the literature, there are many reviews devoted to iron metabolism and its regulation in proand eukaryotes. Significant progress has been achieved recently in understanding molecular bases of iron metabolism. The purpose of this review is to systematize available data on mechanisms of iron assimilation, distribution, and elimination from the human body, as well as on its biological importance and on the major iron-containing proteins. The review summarizes recent ideas about iron metabolism. Special attention is paid to mechanisms of iron absorption in the small intestine and to interrelationships of cellular and extracellular pools of this metal in the human body.
机译:铁是一种具有最完备的生物学功能的微量元素。它在自然界的广泛传播和参与关键的代谢途径决定了这种金属对于单细胞和多细胞生物的重要性。铁的生物学作用的特征在于其在细胞呼吸中不可缺少,并具有各种生化过程,可提供人体细胞和器官的正常功能。铁在自由基的产生中也起着重要作用,自由基在不同条件下可能对生物分子和细胞有用或有害。在文献中,有许多关于铁代谢及其在原核生物中的调控的评论。最近在理解铁代谢的分子基础方面已经取得了重大进展。这篇综述的目的是系统化有关铁同化,分布和从人体清除的机制,其生物学重要性和主要含铁蛋白的可用数据。该评论总结了有关铁代谢的最新观点。特别注意铁在小肠中的吸收机制,以及人体中这种金属的细胞和细胞外池之间的相互关系。

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