Mechanical Characterization of hiPSC-Derived Cardiac Tissues for Quality Control

Seungman Park, Cecillia Lui, Wei Hung Jung, Debonil Maity, Chin Siang Ong, Joshua Bush, Venkat Maruthamuthu, Narutoshi Hibino, Yun Chen

Research output: Contribution to journalArticle

Abstract

Heart disease is one of the leading death causes in developed countries. To facilitate heart rehabilitation, engineered cardiac implantation has emerged as a promising alternative to organ transplantation. Currently there is no quantitative standard to ensure the safety and functionality of the engineered cardiac tissues intended for clinical uses. In anticipation of the clinical application of the engineered cardiac tissues to heart disease patients, a suite of methods is assembled to evaluate the mechanical characteristics critical to cardiac functions, including contractility, viscoelasticity, and dynamic stress distribution. As a proof of concept, 3D bioprinted cardiac tissues derived from human induced pluripotent stem cells are tested. First, the engineered cardiac tissues labeled with particles are recorded and tracked to determine spatially and temporally variable contraction forces. Viscoelastic properties are measured using magnetic tweezers. The results are used to compute 3D force and stress distribution over the engineered tissue by finite element method. In summary, a framework is developed to assess clinical-grade engineered cardiac tissues and determine the appropriate value ranges suitable for implantation. The results relating contractility, intrinsic mechanical properties, and stress distribution in the engineered tissue, can also inform better design for future fabrication of engineered tissues.

Original languageEnglish (US)
Article number1800251
JournalAdvanced Biosystems
Volume2
Issue number12
DOIs
StatePublished - Dec 1 2018

Fingerprint

Induced Pluripotent Stem Cells
Quality Control
Quality control
Tissue
Stress concentration
Heart Diseases
Transplantation (surgical)
Mechanical Stress
Viscoelasticity
Organ Transplantation
Stem cells
Developed Countries
Patient rehabilitation
Cause of Death
Safety
Finite element method
Fabrication
Mechanical properties

Keywords

  • engineered cardiac tissues
  • hiPSCs
  • implantation
  • mechanical measurement

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biomaterials
  • Biomedical Engineering

Cite this

Park, S., Lui, C., Jung, W. H., Maity, D., Ong, C. S., Bush, J., ... Chen, Y. (2018). Mechanical Characterization of hiPSC-Derived Cardiac Tissues for Quality Control. Advanced Biosystems, 2(12), [1800251]. https://doi.org/10.1002/adbi.201800251

Mechanical Characterization of hiPSC-Derived Cardiac Tissues for Quality Control. / Park, Seungman; Lui, Cecillia; Jung, Wei Hung; Maity, Debonil; Ong, Chin Siang; Bush, Joshua; Maruthamuthu, Venkat; Hibino, Narutoshi; Chen, Yun.

In: Advanced Biosystems, Vol. 2, No. 12, 1800251, 01.12.2018.

Research output: Contribution to journalArticle

Park, S, Lui, C, Jung, WH, Maity, D, Ong, CS, Bush, J, Maruthamuthu, V, Hibino, N & Chen, Y 2018, 'Mechanical Characterization of hiPSC-Derived Cardiac Tissues for Quality Control', Advanced Biosystems, vol. 2, no. 12, 1800251. https://doi.org/10.1002/adbi.201800251
Park, Seungman ; Lui, Cecillia ; Jung, Wei Hung ; Maity, Debonil ; Ong, Chin Siang ; Bush, Joshua ; Maruthamuthu, Venkat ; Hibino, Narutoshi ; Chen, Yun. / Mechanical Characterization of hiPSC-Derived Cardiac Tissues for Quality Control. In: Advanced Biosystems. 2018 ; Vol. 2, No. 12.
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