Genetically encoded fluorescent sensor for intracellular imaging of transition metals

Genetically encoded fluorescent sensor for intracellular imaging of transition metals
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用于过渡金属细胞内成像的基因编码荧光传感器

DOI:
10.1080/05704928.2015.1092156
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发表时间:
2016-02
影响因子:
6.1
通讯作者:
Wang Jian-Hua
Wang Jian-Hua
中科院分区:
化学2区
文献类型:
--
作者:
Yang Ting;Wang Yi-Ting;Zhang Xiao-Xiao;Chen Ming-Li;Wang Jian-Hua

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摘要过渡金属在生物体内具有一种自相矛盾的作用。虽然作为蛋白质不可或缺的辅因子,过渡金属在升高的水平导致蛋白质功能障碍或失活,疾病,甚至死亡。活细胞中过渡金属的示踪提供了对细胞内过渡金属稳态和相关疾病的更好理解。基因编码荧光传感器由于其固有的优点,包括非侵入性和亚细胞定位,是细胞内过渡金属成像和监测的有吸引力的方法。最近的研究已经取得了丰硕的进展,细胞内成像的锌和铜使用基因编码的荧光传感器,但仍然存在挑战。在这篇综述中,我们提出了一个一般性的看法,细胞内的过渡金属稳态和基本概念的基因编码的荧光传感器,并重点介绍了最近的发展,在基因编码的荧光传感器的过渡金属,特别是锌和铜。在这一领域的未来前景进行了讨论。
Abstract Transition metals possess a paradoxical role in living organisms. While acting as indispensable cofactors for proteins, transition metals at elevated levels lead to protein dysfunction or inactivation, disease, or even death. The tracing of transition metals in living cells offers a better understanding of intracellular transition metal homeostasis and related diseases. Genetically encoded fluorescent sensors are attractive approaches for intracellular transition metal imaging and monitoring, due to their intrinsic advantages, including noninvasive and subcellular localization. Recent studies have achieved fruitful progress for intracellular imaging of zinc and copper using genetically encoded fluorescent sensors, yet challenges still remain. In this review we present a general view on the intracellular transition metal homeostasis and basic concepts on genetically encoded fluorescent sensors and focus on the recent developments in genetically encoded fluorescent sensors for transition metals, especially zinc and copper. Future perspectives in this field are also discussed.
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