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2021 - An Efficient and Scalable Data Analysis Solution for Automated Electrophysiology Platforms

icon sp96  SyncroPatch 768PE (a predecessor model of the SyncroPatch 384 instrument) Publication in SLAS Discovery (2021)

Authors:
Li T., Ginkel M.,Yee A.X., Foster L., Chen J., Heyse S., Steigele S.

Journal:

SLAS Discovery (2021) doi:10.1016/j.slasd.2021.11.001


Abstract: 

Ion channels are drug targets for neurologic, cardiac, and immunologic diseases. Many disease-associated mutations and drugs modulate voltage-gated ion channel activation and inactivation, suggesting that characterizing state-dependent effects of test compounds at an early stage of drug development can be of great benefit.

Historically, the effects of compounds onion channel biophysical properties and voltage-dependent activation/inactivation could only be assessed using low-throughput, manual patch clamp recording techniques. In recent years, automated patch clamp (APC) platforms have drastically increased throughput. In contrast to their broad utilization in compound screening, APC platforms have rarely been used for mechanism of action studies, in large part due to the lack of sophisticated, scalable analysis methods to process the large amount of data generated by APC platforms. In the current study, we developed a highly efficient and scalable software workflow to overcome this challenge. This method, to our knowledge the first of its kind, enables automated curve fitting and complex analysis of compound effects. Using voltage-gated sodium channels as an example, we were able to immediately assess the effects of test compounds on a spectrum of biophysical properties, including peak current, voltage-dependent steady state activation/inactivation, and time constants of activation and fast inactivation. Overall, this automated data analysis method provides a novel solution for in-depth analysis of large-scale APC data, and thus will significantly impact ion channel research and drug discovery.


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