Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings

Abstract Intracellular electrophysiology is essential in neuroscience, cardiology, and pharmacology for studying cells’ electrical properties. Traditional methods like patch-clamp are precise but low-throughput and invasive. Nanoelectrode Arrays (NEAs) offer a promising alternative by enabling simul...

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Main Authors: Keivan Rahmani, Yang Yang, Ethan Paul Foster, Ching-Ting Tsai, Dhivya Pushpa Meganathan, Diego D. Alvarez, Aayush Gupta, Bianxiao Cui, Francesca Santoro, Brenda L. Bloodgood, Rose Yu, Csaba Forro, Zeinab Jahed
Format: Article
Language:English
Published: Nature Portfolio 2025-01-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-55571-6
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author Keivan Rahmani
Yang Yang
Ethan Paul Foster
Ching-Ting Tsai
Dhivya Pushpa Meganathan
Diego D. Alvarez
Aayush Gupta
Bianxiao Cui
Francesca Santoro
Brenda L. Bloodgood
Rose Yu
Csaba Forro
Zeinab Jahed
author_facet Keivan Rahmani
Yang Yang
Ethan Paul Foster
Ching-Ting Tsai
Dhivya Pushpa Meganathan
Diego D. Alvarez
Aayush Gupta
Bianxiao Cui
Francesca Santoro
Brenda L. Bloodgood
Rose Yu
Csaba Forro
Zeinab Jahed
author_sort Keivan Rahmani
collection DOAJ
description Abstract Intracellular electrophysiology is essential in neuroscience, cardiology, and pharmacology for studying cells’ electrical properties. Traditional methods like patch-clamp are precise but low-throughput and invasive. Nanoelectrode Arrays (NEAs) offer a promising alternative by enabling simultaneous intracellular and extracellular action potential (iAP and eAP) recordings with high throughput. However, accessing intracellular potentials with NEAs remains challenging. This study presents an AI-supported technique that leverages thousands of synchronous eAP and iAP pairs from stem-cell-derived cardiomyocytes on NEAs. Our analysis revealed strong correlations between specific eAP and iAP features, such as amplitude and spiking velocity, indicating that extracellular signals could be reliable indicators of intracellular activity. We developed a physics-informed deep learning model to reconstruct iAP waveforms from extracellular recordings recorded from NEAs and Microelectrode arrays (MEAs), demonstrating its potential for non-invasive, long-term, high-throughput drug cardiotoxicity assessments. This AI-based model paves the way for future electrophysiology research across various cell types and drug interactions.
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spelling doaj-art-69b88371dee3421496f86352f17c18ea2025-01-19T12:29:55ZengNature PortfolioNature Communications2041-17232025-01-0116111510.1038/s41467-024-55571-6Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordingsKeivan Rahmani0Yang Yang1Ethan Paul Foster2Ching-Ting Tsai3Dhivya Pushpa Meganathan4Diego D. Alvarez5Aayush Gupta6Bianxiao Cui7Francesca Santoro8Brenda L. Bloodgood9Rose Yu10Csaba Forro11Zeinab Jahed12Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California San DiegoDepartment of Chemistry, Stanford UniversityDepartment of Chemistry, Stanford UniversityDepartment of Chemistry, Stanford UniversityAiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California San DiegoDepartment of Neurobiology, School of Biological Sciences, University of California San DiegoDepartment of Computer Science and Engineering, Jacobs School of Engineering, University of California San DiegoDepartment of Chemistry, Stanford UniversityCenter for Advanced Biomaterials for Healthcare, Istituto Italiano di TecnologiaDepartment of Neurobiology, School of Biological Sciences, University of California San DiegoDepartment of Computer Science and Engineering, Jacobs School of Engineering, University of California San DiegoDepartment of Chemistry, Stanford UniversityAiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California San DiegoAbstract Intracellular electrophysiology is essential in neuroscience, cardiology, and pharmacology for studying cells’ electrical properties. Traditional methods like patch-clamp are precise but low-throughput and invasive. Nanoelectrode Arrays (NEAs) offer a promising alternative by enabling simultaneous intracellular and extracellular action potential (iAP and eAP) recordings with high throughput. However, accessing intracellular potentials with NEAs remains challenging. This study presents an AI-supported technique that leverages thousands of synchronous eAP and iAP pairs from stem-cell-derived cardiomyocytes on NEAs. Our analysis revealed strong correlations between specific eAP and iAP features, such as amplitude and spiking velocity, indicating that extracellular signals could be reliable indicators of intracellular activity. We developed a physics-informed deep learning model to reconstruct iAP waveforms from extracellular recordings recorded from NEAs and Microelectrode arrays (MEAs), demonstrating its potential for non-invasive, long-term, high-throughput drug cardiotoxicity assessments. This AI-based model paves the way for future electrophysiology research across various cell types and drug interactions.https://doi.org/10.1038/s41467-024-55571-6
spellingShingle Keivan Rahmani
Yang Yang
Ethan Paul Foster
Ching-Ting Tsai
Dhivya Pushpa Meganathan
Diego D. Alvarez
Aayush Gupta
Bianxiao Cui
Francesca Santoro
Brenda L. Bloodgood
Rose Yu
Csaba Forro
Zeinab Jahed
Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
Nature Communications
title Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
title_full Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
title_fullStr Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
title_full_unstemmed Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
title_short Intelligent in-cell electrophysiology: Reconstructing intracellular action potentials using a physics-informed deep learning model trained on nanoelectrode array recordings
title_sort intelligent in cell electrophysiology reconstructing intracellular action potentials using a physics informed deep learning model trained on nanoelectrode array recordings
url https://doi.org/10.1038/s41467-024-55571-6
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