同位素金属组学的医学应用

1区 地球科学 Q1 Earth and Planetary Sciences Reviews in Mineralogy & Geochemistry Pub Date : 2017-01-01 DOI:10.2138/RMG.2017.82.20
F. Albarède, P. Télouk, V. Balter
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引用次数: 39

摘要

有人可能想知道,一篇讨论金属同位素医学应用的论文怎么会在一本专门研究矿物学和地球化学的评论杂志上丢失。理由是多方面的。首先,90年代中期金属同位素分析时代的到来在很大程度上是由于地球化学社区的分析创造力和企业技术技能允许新技术的兴起。其次,许多概念可以嵌入定量模型中,这些模型可以从他们的预测中得到检验,这些概念在地球化学、生物化学、生理学和营养学中是常见的:一个细胞及其细胞器,一个身体及其器官和体液,都是易于处理的系统,类似于那些用于模拟湖泊、海洋-大气和地幔-地壳系统的系统。当然,时间尺度和长度尺度不同,与矿物世界相比,生物的复杂性是巨大的。地质系统缺乏生命、基因和细胞信号的特征。尽管生物系统的整体复杂性,途径、动力学和化学动力学比它们在地球科学中的对应物更好地理解。与许多工程领域一样,比较输入和输出的记录是识别控制给定系统的内部“旋钮”并学习如何调整它们的有力工具。第三,尽管一些最复杂的技术,如分子构型、能量学和同位素性质的从头计算,仍然局限于少于几十个原子的分子,但大分子的模拟可以应用于具有大分子量的“真实”蛋白质的时间越来越近。本文回顾了现在被称为金属学的一些基本特征,以及稳定同位素在一些医学案例中的初步应用,我们建议将这一学科简单地称为同位素金属学。…
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Medical applications of isotope metallomics
One may wonder how a paper discussing medical applications of metal isotopes got lost in a review journal dedicated to mineralogy and geochemistry. The justifications are multiple. First, the coming of age of metal isotopic analysis in the mid ‘90s is largely due to the analytical creativity of the geochemical community and to corporate technical skills allowing the rise of new technologies. Second, many concepts, which can be imbedded in quantitative models testable from their predictions, are common to geochemistry, biochemistry, physiology, and nutrition: a cell, with its organelles, a body with its organ and body fluids, are systems liable to treatments similar to those used to model a lake, the ocean–atmosphere, and the mantle–crust systems. Of course, time scales and length scales differ, the complexity of biology is immense compared to that of the mineral world. Geological systems lack the hallmarks of life, genes and cell signaling. In spite of the overall complexity of the biological systems, pathways, kinetics, and chemical dynamics are better understood than their counterpart in earth sciences. Like in many fields of engineering, comparing the records of inputs and outputs is a powerful tool to identify the internal ‘knobs’ controlling a given system and learn how to tweak them. Third, although some of the most sophisticated techniques such as ab initio calculations of molecular configurations, energetics, and isotopic properties are still limited to molecules with less than a few dozens of atoms, the time is getting closer to when simulations of large molecules will become available for application to ‘real’ proteins with large molecular weights. The present article reviews some of the basic features of what is now known as Metallomics and the preliminary applications of stable isotopes to some medical cases, a discipline for which we suggest the simple term of Isotope Metallomics . …
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来源期刊
Reviews in Mineralogy & Geochemistry
Reviews in Mineralogy & Geochemistry 地学-地球化学与地球物理
CiteScore
8.30
自引率
0.00%
发文量
39
期刊介绍: RiMG is a series of multi-authored, soft-bound volumes containing concise reviews of the literature and advances in theoretical and/or applied mineralogy, crystallography, petrology, and geochemistry. The content of each volume consists of fully developed text which can be used for self-study, research, or as a text-book for graduate-level courses. RiMG volumes are typically produced in conjunction with a short course but can also be published without a short course. The series is jointly published by the Mineralogical Society of America (MSA) and the Geochemical Society.
期刊最新文献
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