ArticleFrontiers in physiology2021
Fast Optical Investigation of Cardiac Electrophysiology by Parallel Detection in Multiwell Plates.
Article in Frontiers in physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Optogenetic tachypacing facilitates burst-induced arrhythmia in stem cell-derived human atrial engineered heart tissue.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026Article
- Automated measurement of cardiomyocyte monolayer contraction using the Exeter Multiscope.Biomedical optics express · 2025Article
- Interleukin-6 Modulates the Expression and Function of HCN Channels: A Link Between Inflammation and Atrial Electrogenesis.International journal of molecular sciences · 2024Article
- OptoDyCE-plate as an affordable high throughput imager for all optical cardiac electrophysiology.Journal of molecular and cellular cardiology plus · 2023Article
- OptoDyCE-plate as an affordable high throughput imager for all optical cardiac electrophysiology.bioRxiv : the preprint server for biology · 2023Article
- A fully-automated low-cost cardiac monolayer optical mapping robot.Frontiers in cardiovascular medicine · 2023Article
- Portable low-cost macroscopic mapping system for all-optical cardiac electrophysiology.Journal of biomedical optics · 2023Article
- Novel Optics-Based Approaches for Cardiac Electrophysiology: A Review.Frontiers in physiology · 2021Review
Corrections and comments
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Authors and funding
11 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Current techniques for fast characterization of cardiac electrophysiology employ optical technologies to control and monitor action potential features of single cells or cellular monolayers placed in multiwell plates. High-speed investigation capacities are commonly achieved by serially analyzing well after well employing fully automated fluorescence microscopes. Here, we describe an alternative cost-effective optical approach (MULTIPLE) that exploits high-power LED arrays to globally illuminate a culture plate and an sCMOS sensor for parallel detection of the fluorescence coming from multiple wells. MULTIPLE combines optical detection of action potentials using a red-shifted voltage-sensitive fluorescent dye (di-4-ANBDQPQ) with optical stimulation, employing optogenetic actuators, to ensure excitation of cardiomyocytes at constant rates. MULTIPLE was first characterized in terms of interwell uniformity of the illumination intensity and optical detection performance. Then, it was applied for probing action potential features in HL-1 cells (i.e., mouse atrial myocyte-like cells) stably expressing the blue light-activatable cation channel CheRiff. Under proper stimulation conditions, we were able to accurately measure action potential dynamics across a 24-well plate with variability across the whole plate of the order of 10%. The capability of MULTIPLE to detect action potential changes across a 24-well plate was demonstrated employing the selective K
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