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Burattini M, Lo Muzio FP, Hu M, Bonalumi F, Rossi S, Pagiatakis C, Salvarani N, Fassina L, Luciani GB, Miragoli M. Unlocking cardiac motion: assessing software and machine learning for single-cell and cardioid kinematic insights. Sci Rep 2024; 14:1782. [PMID: 38245558 PMCID: PMC10799933 DOI: 10.1038/s41598-024-52081-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 01/12/2024] [Indexed: 01/22/2024] Open
Abstract
The heart coordinates its functional parameters for optimal beat-to-beat mechanical activity. Reliable detection and quantification of these parameters still represent a hot topic in cardiovascular research. Nowadays, computer vision allows the development of open-source algorithms to measure cellular kinematics. However, the analysis software can vary based on analyzed specimens. In this study, we compared different software performances in in-silico model, in-vitro mouse adult ventricular cardiomyocytes and cardioids. We acquired in-vitro high-resolution videos during suprathreshold stimulation at 0.5-1-2 Hz, adapting the protocol for the cardioids. Moreover, we exposed the samples to inotropic and depolarizing substances. We analyzed in-silico and in-vitro videos by (i) MUSCLEMOTION, the gold standard among open-source software; (ii) CONTRACTIONWAVE, a recently developed tracking software; and (iii) ViKiE, an in-house customized video kinematic evaluation software. We enriched the study with three machine-learning algorithms to test the robustness of the motion-tracking approaches. Our results revealed that all software produced comparable estimations of cardiac mechanical parameters. For instance, in cardioids, beat duration measurements at 0.5 Hz were 1053.58 ms (MUSCLEMOTION), 1043.59 ms (CONTRACTIONWAVE), and 937.11 ms (ViKiE). ViKiE exhibited higher sensitivity in exposed samples due to its localized kinematic analysis, while MUSCLEMOTION and CONTRACTIONWAVE offered temporal correlation, combining global assessment with time-efficient analysis. Finally, machine learning reveals greater accuracy when trained with MUSCLEMOTION dataset in comparison with the other software (accuracy > 83%). In conclusion, our findings provide valuable insights for the accurate selection and integration of software tools into the kinematic analysis pipeline, tailored to the experimental protocol.
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Affiliation(s)
- Margherita Burattini
- Department of Surgery, Dentistry and Maternity, University of Verona, Verona, Italy
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Francesco Paolo Lo Muzio
- Department of Medicine and Surgery, University of Parma, Parma, Italy
- Deutsches Herzzentrum Der Charité, Department of Cardiology, Angiology and Intensive Care Medicine, Berlin, Germany
| | - Mirko Hu
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Flavia Bonalumi
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Stefano Rossi
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Christina Pagiatakis
- Humanitas Research Hospital, IRCCS, Rozzano (Milan), Italy
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Nicolò Salvarani
- Humanitas Research Hospital, IRCCS, Rozzano (Milan), Italy
- Institute of Genetic and Biomedical Research (IRGB), UOS of Milan, National Research Council of Italy, Milan, Italy
| | - Lorenzo Fassina
- Department of Electrical, Computer and Biomedical Engineering, University of Pavia, Pavia, Italy
| | | | - Michele Miragoli
- Department of Medicine and Surgery, University of Parma, Parma, Italy.
- Humanitas Research Hospital, IRCCS, Rozzano (Milan), Italy.
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Miller JM, Meki MH, Elnakib A, Ou Q, Abouleisa RRE, Tang XL, Salama ABM, Gebreil A, Lin C, Abdeltawab H, Khalifa F, Hill BG, Abi-Gerges N, Bolli R, El-Baz AS, Giridharan GA, Mohamed TMA. Biomimetic cardiac tissue culture model (CTCM) to emulate cardiac physiology and pathophysiology ex vivo. Commun Biol 2022; 5:934. [PMID: 36085302 PMCID: PMC9463130 DOI: 10.1038/s42003-022-03919-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 08/30/2022] [Indexed: 11/23/2022] Open
Abstract
There is need for a reliable in vitro system that can accurately replicate the cardiac physiological environment for drug testing. The limited availability of human heart tissue culture systems has led to inaccurate interpretations of cardiac-related drug effects. Here, we developed a cardiac tissue culture model (CTCM) that can electro-mechanically stimulate heart slices with physiological stretches in systole and diastole during the cardiac cycle. After 12 days in culture, this approach partially improved the viability of heart slices but did not completely maintain their structural integrity. Therefore, following small molecule screening, we found that the incorporation of 100 nM tri-iodothyronine (T3) and 1 μM dexamethasone (Dex) into our culture media preserved the microscopic structure of the slices for 12 days. When combined with T3/Dex treatment, the CTCM system maintained the transcriptional profile, viability, metabolic activity, and structural integrity for 12 days at the same levels as the fresh heart tissue. Furthermore, overstretching the cardiac tissue induced cardiac hypertrophic signaling in culture, which provides a proof of concept for the ability of the CTCM to emulate cardiac stretch-induced hypertrophic conditions. In conclusion, CTCM can emulate cardiac physiology and pathophysiology in culture for an extended time, thereby enabling reliable drug screening.
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Affiliation(s)
- Jessica M Miller
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
- Department of Bioengineering, University of Louisville, Louisville, USA
| | - Moustafa H Meki
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
- Department of Bioengineering, University of Louisville, Louisville, USA
| | - Ahmed Elnakib
- Department of Bioengineering, University of Louisville, Louisville, USA
| | - Qinghui Ou
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Riham R E Abouleisa
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Xian-Liang Tang
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Abou Bakr M Salama
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
- Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Ahmad Gebreil
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Cindy Lin
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Hisham Abdeltawab
- Department of Bioengineering, University of Louisville, Louisville, USA
| | - Fahmi Khalifa
- Department of Bioengineering, University of Louisville, Louisville, USA
| | - Bradford G Hill
- Envirome Institute, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, USA
| | | | - Roberto Bolli
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA
| | - Ayman S El-Baz
- Department of Bioengineering, University of Louisville, Louisville, USA
| | | | - Tamer M A Mohamed
- From the Institute of Molecular Cardiology, Department of Medicine, University of Louisville, Louisville, USA.
- Department of Bioengineering, University of Louisville, Louisville, USA.
- Envirome Institute, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, USA.
- Department of Pharmacology and Toxicology, University of Louisville, Louisville, USA.
- Institute of Cardiovascular Sciences, University of Manchester, Manchester, United Kingdom.
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Chidlow SJ, Randle LE, Kelly RA. Predicting physiologically-relevant oxygen concentrations in precision-cut liver slices using mathematical modelling. PLoS One 2022; 17:e0275788. [PMID: 36322567 PMCID: PMC9629643 DOI: 10.1371/journal.pone.0275788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/22/2022] [Indexed: 01/24/2023] Open
Abstract
Precision cut liver slices represent an encouraging ex vivo method to understand the pathogenesis of liver disease alongside drug induced liver injury. Despite being more physiologically relevant compared to in vitro models, precision cut liver slices are limited by the availability of healthy human tissue and experimental variability. Internal oxygen concentration and media composition govern the longevity and viability of the slices during the culture period and as such, a variety of approaches have been taken to maximise the appropriateness of the internal oxygen concentrations across the slice. The aim of this study was to predict whether it is possible to generate a physiologically relevant oxygen gradient of 35-65mmHg across a precision cut liver slice using mathematical modelling. Simulations explore how the internal oxygen concentration changes as a function of the diameter of the slice, the position inside the well and the external incubator oxygen concentration. The model predicts that the desired oxygen gradient may be achieved using a 5mm diameter slice at atmospheric oxygen concentrations, provided that the slice is positioned at a certain height within the well of a 12-well plate.
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Affiliation(s)
- S. J. Chidlow
- School of Computer Science and Mathematics, Liverpool John Moores University, Liverpool, United Kingdom
- * E-mail:
| | - L. E. Randle
- School of Pharmacy and Biomolecular Science, Liverpool John Moores University, Liverpool, United Kingdom
| | - R. A. Kelly
- School of Computer Science and Mathematics, Liverpool John Moores University, Liverpool, United Kingdom
- Syngenta, Early-Stage Research, Jeallot’s Hill Research Centre, Bracknell, United Kingdom
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