遺伝子コード蛍光ツールでシナプス研究の最前線を探る(Exploring the frontiers of synaptic research with genetically encoded fluorescent tools)

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2024-09-11 韓国基礎科学研究院(IBS)

最新の遺伝子コード蛍光ツールを用いたシナプスのラベリングと操作技術に関する画期的なレビューが、韓国の基礎科学研究所(IBS)の研究者たちにより発表されました。このレビューでは、学習や記憶に関連するシナプスのラベリング技術を分類し、それぞれの利点や限界を論じています。特に、dual-eGRASPやLCD-eGRASPといったツールは、特定の記憶シナプスと非記憶シナプスを蛍光タンパク質でラベリングし、マウス脳内の学習・記憶のメカニズムを探ることに利用されています。また、光遺伝学的手法を用いたシナプス操作ツールも紹介され、神経変性疾患の治療に役立つ可能性が示されています。

<関連情報>

シナプスの標識化と選択的操作の進歩 Advances in the labelling and selective manipulation of synapses

Binod Timalsina,Sangkyu Lee & Bong-Kiun Kaang
Nature Reviews Neuroscience  Published:22 August 2024
DOI:https://doi.org/10.1038/s41583-024-00851-9

遺伝子コード蛍光ツールでシナプス研究の最前線を探る(Exploring the frontiers of synaptic research with genetically encoded fluorescent tools)

Abstract

Synapses are highly specialized neuronal structures that are essential for neurotransmission, and they are dynamically regulated throughout the lifetime. Although accumulating evidence indicates that these structures are crucial for information processing and storage in the brain, their precise roles beyond neurotransmission are yet to be fully appreciated. Genetically encoded fluorescent tools have deepened our understanding of synaptic structure and function, but developing an ideal methodology to selectively visualize, label and manipulate synapses remains challenging. Here, we provide an overview of currently available synapse labelling techniques and describe their extension to enable synapse manipulation. We categorize these approaches on the basis of their conceptual bases and target molecules, compare their advantages and limitations and propose potential modifications to improve their effectiveness. These methods have broad utility, particularly for investigating mechanisms of synaptic function and synaptopathy.

生物工学一般
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