High-speed measurements of SNARE-complexin interactions using magnetic tweezers

In neuroscience, understanding the mechanics of synapses, especially the function of force-sensitive proteins at the molecular level, is essential. This need emphasizes the importance of precise measurement of synaptic protein interactions. Addressing this, we introduce high-resolution magnetic twee...

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Veröffentlicht in:Methods in enzymology 2024, Vol.694, p.109
Hauptverfasser: Hong, Seokyun, Yang, Taehyun, Go, Ara, Kim, Haesoo, Yoon, Tae-Young, Shon, Min Ju
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Sprache:eng
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Zusammenfassung:In neuroscience, understanding the mechanics of synapses, especially the function of force-sensitive proteins at the molecular level, is essential. This need emphasizes the importance of precise measurement of synaptic protein interactions. Addressing this, we introduce high-resolution magnetic tweezers (MT) as a novel method to probe the mechanics of synapse-related proteins with high precision. We demonstrate this technique through studying SNARE-complexin interactions, crucial for synaptic transmission, showcasing its capability to apply specific forces to individual molecules. Our results reveal that high-resolution MT provides in-depth insights into the stability and dynamic transitions of synaptic protein complexes. This method is a significant advancement in synapse biology, offering a new tool for researchers to investigate the impact of mechanical forces on synaptic functions and their implications for neurological disorders.
ISSN:1557-7988
1557-7988
DOI:10.1016/bs.mie.2024.01.002