Non-invasive quantification of contractile dynamics in cardiac cells, spheroids and organs-on-a-chip using high frequency ultrasound Article Swipe
Eric M. Strohm
,
Neal I. Callaghan
,
Neda Latifi
,
Naimeh Rafatian
,
Shunsuke Funakoshi
,
Ian Fernandes
,
Milica Radisic
,
Gordon Keller
,
Michael C. Kolios
,
Craig A. Simmons
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1101/2022.06.28.497094
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1101/2022.06.28.497094
Cell-based models that mimic in vivo heart physiology are poised to make significant advances in cardiac disease modeling and drug discovery. In these systems, cardiomyocyte (CM) contractility is an important functional metric, but current measurement methods are inaccurate, low-throughput, or require complex set-ups. To address this need, we developed a standalone non-invasive, label-free ultrasound technique operating at 40-200 MHz to measure the beat rate, beat rhythm, and force of contraction of cardiac models, ranging from single adult CMs to 3D microtissue constructs in standard cell culture formats. The high temporal resolution of 1000 fps resolved the beat profile of single mouse CMs paced at up to 9 Hz, revealing limitations of lower speed optical based measurements to resolve beat kinetics or characterize aberrant beats. Coupling of ultrasound with traction force microscopy enabled the measurement of CM longitudinal modulus and facile estimation of adult mouse CM contractile forces of 2.34 ± 1.40 μN, comparable to more complex measurement techniques. Similarly, measurements of beat rate, rhythm, and drug responses of CM spheroid and microtissue models were demonstrated. In conclusion, ultrasound can be used for the rapid characterization of CM contractile function in a wide range of commonly-studied configurations ranging from single cells to 3D tissue constructs using standard well plates, with applications in cardiac drug discovery and cardiotoxicity evaluation.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.1101/2022.06.28.497094
- https://www.biorxiv.org/content/biorxiv/early/2022/07/01/2022.06.28.497094.full.pdf
- OA Status
- green
- Cited By
- 2
- References
- 54
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4283769311
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4283769311Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1101/2022.06.28.497094Digital Object Identifier
- Title
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Non-invasive quantification of contractile dynamics in cardiac cells, spheroids and organs-on-a-chip using high frequency ultrasoundWork title
- Type
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preprintOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-07-01Full publication date if available
- Authors
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Eric M. Strohm, Neal I. Callaghan, Neda Latifi, Naimeh Rafatian, Shunsuke Funakoshi, Ian Fernandes, Milica Radisic, Gordon Keller, Michael C. Kolios, Craig A. SimmonsList of authors in order
- Landing page
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https://doi.org/10.1101/2022.06.28.497094Publisher landing page
- PDF URL
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https://www.biorxiv.org/content/biorxiv/early/2022/07/01/2022.06.28.497094.full.pdfDirect link to full text PDF
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YesWhether a free full text is available
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-
greenOpen access status per OpenAlex
- OA URL
-
https://www.biorxiv.org/content/biorxiv/early/2022/07/01/2022.06.28.497094.full.pdfDirect OA link when available
- Concepts
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Contractility, Biomedical engineering, Ultrasound, Beat (acoustics), In vivo, Materials science, Cardiology, Medicine, Biology, Physics, Acoustics, Radiology, BiotechnologyTop concepts (fields/topics) attached by OpenAlex
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2Total citation count in OpenAlex
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2024: 1, 2022: 1Per-year citation counts (last 5 years)
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54Number of works referenced by this work
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10Other works algorithmically related by OpenAlex
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