Restoring anisotropy after myocardial injury: strategies to align transplanted human induced pluripotent stem-cell-derived cardiomyocytes

Restoring anisotropy after myocardial injury: strategies to align transplanted human induced pluripotent stem-cell-derived cardiomyocytes

  • Moriwaki, T., Tani, H. & Tohyama, S. Human induced pluripotent stem cell-derived cardiomyocytes for disease modeling and drug discovery. Front. Bioeng. Biotechnol. 13, 1687840 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Karakikes, I., Ameen, M., Termglinchan, V. & Wu, J. C. Human induced pluripotent stem cell-derived cardiomyocytes. Circ. Res. 117, 80–88 (2015).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kawamura, M. et al. Feasibility, safety, and therapeutic efficacy of human induced pluripotent stem cell-derived cardiomyocyte sheets in a porcine ischemic cardiomyopathy model. Circulation 126, S29–S37 (2012).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Shiba, Y. et al. Allogeneic transplantation of iPS cell-derived cardiomyocytes regenerates primate hearts. Nature 538, 388–391 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Block, T. et al. Human perinatal stem cell derived extracellular matrix enables rapid maturation of hiPSC-CM structural and functional phenotypes. Sci. Rep. 10, 19071 (2020).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Funakoshi, S. et al. Enhanced engraftment, proliferation, and therapeutic potential in heart using optimized human iPSC-derived cardiomyocytes. Sci. Rep. 6, 19111 (2016).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Matsuo, T. et al. Efficient long-term survival of cell grafts after myocardial infarction with thick viable cardiac tissue entirely from pluripotent stem cells. Sci. Rep. 5, 16842 (2015).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lane, K. V. et al. Cell architecture and dynamics of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) on hydrogels with spatially patterned laminin and N-cadherin. ACS Appl. Mater. Interfaces 17, 174–186 (2025).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Jain, A., Choudhury, S., Sundaresan, N. R. & Chatterjee, K. Essential role of anisotropy in bioengineered cardiac tissue models. Adv. Biol. 8, 2300197 (2024).

    Article 

    Google Scholar
     

  • Costa, K. D., Lee, E. J. & Holmes, J. W. Creating alignment and anisotropy in engineered heart tissue: role of boundary conditions in a model three-dimensional culture system. Tissue Eng. 9, 567–577 (2003).

    Article 
    PubMed 

    Google Scholar
     

  • Kadota, S., Pabon, L., Reinecke, H. & Murry, C. E. In vivo maturation of human induced pluripotent stem cell-derived cardiomyocytes in neonatal and adult rat hearts. Stem Cell Rep. 8, 278–289 (2017).

    Article 
    CAS 

    Google Scholar
     

  • Dwyer, K. D. & Coulombe, K. L. K. Cardiac mechanostructure: using mechanics and anisotropy as inspiration for developing epicardial therapies in treating myocardial infarction. Bioact. Mater. 6, 2198–2220 (2021).

    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Pasqualini, F. S., Sheehy, S. P., Agarwal, A., Aratyn-Schaus, Y. & Parker, K. K. Structural phenotyping of stem cell-derived cardiomyocytes. Stem Cell Rep. 4, 340–347 (2015).

    Article 
    CAS 

    Google Scholar
     

  • Kowalski, W. J. et al. Quantification of cardiomyocyte alignment from three-dimensional (3D) confocal microscopy of engineered tissue. Microsc. Microanal. 23, 826–842 (2017).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Khan, M. et al. Evaluation of changes in morphology and function of human induced pluripotent stem cell derived cardiomyocytes (HiPSC-CMs) cultured on an aligned-nanofiber cardiac patch. PloS ONE 10, e0126338 (2015).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kalkunte, N. G. et al. Engineering alignment has mixed effects on human induced pluripotent stem cell differentiated cardiomyocyte maturation. Tissue Eng. Part A 29, 322–332 (2023).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Pijnappels, D. A. et al. Forced alignment of mesenchymal stem cells undergoing cardiomyogenic differentiation affects functional integration with cardiomyocyte cultures. Circ. Res. 103, 167–176 (2008).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Satsuka, A. et al. Contractility assessment using aligned human iPSC-derived cardiomyocytes. J. Pharmacol. Toxicol. Methods 128, 107530 (2024).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Napiwocki, B. N. et al. Aligned human cardiac syncytium for in vitro analysis of electrical, structural, and mechanical readouts. Biotechnol. Bioeng. 118, 442–452 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Takada, T. et al. Aligned human induced pluripotent stem cell-derived cardiac tissue improves contractile properties through promoting unidirectional and synchronous cardiomyocyte contraction. Biomaterials 281, 121351 (2022).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Wang, P.-Y., Yu, J., Lin, J.-H. & Tsai, W.-B. Modulation of alignment, elongation and contraction of cardiomyocytes through a combination of nanotopography and rigidity of substrates. Acta Biomater. 7, 3285–3293 (2011).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Qin, M., Chen, X. & Zhu, P. Engineering cardiac tissue: the role of topographic cues in cardiomyocytes. J. Appl. Biomater. Funct. Mater. 23, 22808000251376084 (2025).

    PubMed 

    Google Scholar
     

  • Bray, M. A., Sheehy, S. P. & Parker, K. K. Sarcomere alignment is regulated by myocyte shape. Cell Motil. Cytoskeleton 65, 641–651 (2008).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kuo, P.-L. et al. Myocyte shape regulates lateral registry of sarcomeres and contractility. Am. J. Pathol. 181, 2030–2037 (2012).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Mohammadzadeh, S. & Lejeune, E. Quantifying HiPSC-CM structural organization at scale with deep learning-enhanced SarcGraph. PLoS Comput. Biol. 21, e1013436 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Drew, N. K., Johnsen, N. E., Core, J. Q. & Grosberg, A. Multiscale characterization of engineered cardiac tissue architecture. J. Biomech. Eng. 138, 1110031–1110038 (2016).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Choi, S. et al. Fibre-infused gel scaffolds guide cardiomyocyte alignment in 3D-printed ventricles. Nat. Mater. 22, 1039–1046 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Wang, S., Varray, F., Liu, W., Clarysse, P. & Magnin, I. E. Measurement of local orientation of cardiomyocyte aggregates in human left ventricle free wall samples using X-ray phase-contrast microtomography. Med. Image Anal. 75, 102269 (2022).

    Article 
    PubMed 

    Google Scholar
     

  • Navaee, F. et al. A three-dimensional engineered cardiac in vitro model: controlled alignment of cardiomyocytes in 3D microphysiological systems. Cells https://doi.org/10.3390/cells12040576 (2023).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Habeck, M. et al. Sarcomere analysis in human cardiomyocytes by computing radial frequency spectra. Biol. Chem. https://doi.org/10.1515/hsz-2025-0173 (2025).

    Article 
    PubMed 

    Google Scholar
     

  • Kotadia, I. et al. Anisotropic cardiac conduction. Arrhythm. Electrophysiol. Rev. 9, 202–210 (2020).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Han, J., Wu, Q., Xia, Y., Wagner, M. B. & Xu, C. Cell alignment induced by anisotropic electrospun fibrous scaffolds alone has limited effect on cardiomyocyte maturation. Stem Cell Res. 16, 740–750 (2016).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • van Schie, M. S., Talib, S., Knops, P., Taverne, Y. J. H. J. & de Groot, N. M. S. Conduction velocity and anisotropic properties of fibrillation waves during acutely induced and long-standing persistent AF. JACC Clin. Electrophysiol. 10, 1592–1604 (2024).

    Article 
    PubMed 

    Google Scholar
     

  • Ding, M. et al. Aligned nanofiber scaffolds improve functionality of cardiomyocytes differentiated from human induced pluripotent stem cell-derived cardiac progenitor cells. Sci. Rep. 10, 13575 (2020).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kumar, N. et al. Scalable biomimetic coaxial aligned nanofiber cardiac patch: a potential model for “Clinical Trials in a Dish”. Front. Bioeng. Biotechnol. 8, 567842 (2020).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Carson, D. et al. Nanotopography-induced structural anisotropy and sarcomere development in human cardiomyocytes derived from induced pluripotent stem cells. ACS Appl. Mater. Interfaces 8, 21923–21932 (2016).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Feinberg, A. W. et al. Controlling the contractile strength of engineered cardiac muscle by hierarchal tissue architecture. Biomaterials 33, 5732–5741 (2012).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Suh, T. C., Amanah, A. Y. & Gluck, J. M. Electrospun scaffolds and induced pluripotent stem cell-derived cardiomyocytes for cardiac tissue engineering applications. Bioengineering 7, 105 (2020).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • English, E. J., Samolyk, B. L., Gaudette, G. R. & Pins, G. D. Micropatterned fibrin scaffolds increase cardiomyocyte alignment and contractility for the fabrication of engineered myocardial tissue. J. Biomed. Mater. Res. A 111, 1309–1321 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Prabhakaran, M. P., Kai, D., Ghasemi-Mobarakeh, L. & Ramakrishna, S. Electrospun biocomposite nanofibrous patch for cardiac tissue engineering. Biomed. Mater. 6, 055001 (2011).

    Article 
    PubMed 

    Google Scholar
     

  • Liu, L. et al. Integrated manufacturing of suspended and aligned nanofibrous scaffold for structural maturation and synchronous contraction of HiPSC-derived cardiomyocytes. Bioengineering 10, 702 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Eom, S. et al. Fabrication of an align-random distinct, heterogeneous nanofiber mat endowed with bifunctional properties for engineered 3D cardiac anisotropy. Compos. B Eng. 226, 109336 (2021).

    Article 

    Google Scholar
     

  • Liu, S. et al. Multiscale anisotropic scaffold integrating 3D printing and electrospinning techniques as a heart-on-a-chip platform for evaluating drug-induced cardiotoxicity. Adv. Healthc. Mater. 12, 2300719 (2023).

    Article 
    CAS 

    Google Scholar
     

  • Zhang, Y. S. et al. Bioprinting 3D microfibrous scaffolds for engineering endothelialized myocardium and heart-on-a-chip. Biomaterials 110, 45–59 (2016).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lemoine, M. D. et al. Human iPSC-derived cardiomyocytes cultured in 3D engineered heart tissue show physiological upstroke velocity and sodium current density. Sci. Rep. 7, 5464 (2017).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kai, D., Prabhakaran, M. P., Jin, G. & Ramakrishna, S. Guided orientation of cardiomyocytes on electrospun aligned nanofibers for cardiac tissue engineering. J. Biomed. Mater. Res. B Appl. Biomater. 98B, 379–386 (2011).

    Article 
    CAS 

    Google Scholar
     

  • Gao, L. et al. Large cardiac muscle patches engineered from human induced-pluripotent stem cell-derived cardiac cells improve recovery from myocardial infarction in swine. Circulation 137, 1712–1730 (2018).

    Article 
    PubMed 

    Google Scholar
     

  • Dou, W. et al. A microdevice platform for characterizing the effect of mechanical strain magnitudes on the maturation of iPSC-cardiomyocytes. Biosens. Bioelectron. 175, 112875 (2021).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Lu, K. et al. Progressive stretch enhances growth and maturation of 3D stem-cell-derived myocardium. Theranostics 11, 6138 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Song, M., Jang, Y., Kim, S.-J. & Park, Y. Cyclic stretching induces maturation of human-induced pluripotent stem cell-derived cardiomyocytes through nuclear-mechanotransduction. Tissue Eng. Regen. Med. 19, 781–792 (2022).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Stephanie, G. A. & Vander Roest, A. S. Cardiac disease mechanobiology: advances using hiPSC-CMs. Front. Cardiovasc. Med. 12, 1642931 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jebran, A.-F. et al. Engineered heart muscle allografts for heart repair in primates and humans. Nature 639, 503–511 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Lu, Y., Liu, Y., Yan, Y., Fooladi, S. & Qyang, Y. Advancements in techniques for human iPSC-derived cardiomyocytes maturation: mechanical and electrical stimulation approaches. Biophys. Rev. 17, 169–183 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kroll, K. et al. Electro-mechanical conditioning of human iPSC-derived cardiomyocytes for translational research. Prog. Biophys. Mol. Biol. 130, 212–222 (2017).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Pok, S. et al. Biocompatible carbon nanotube–chitosan scaffold matching the electrical conductivity of the heart. ACS Nano 8, 9822–9832 (2014).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Mihic, A. et al. A conductive polymer hydrogel supports cell electrical signaling and improves cardiac function after implantation into myocardial infarct. Circulation 132, 772–784 (2015).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Song, X. et al. Cardiac-adaptive conductive hydrogel patch enabling construction of mechanical-electrical anisotropic microenvironment for heart repair. Research 6, 0161 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Cano-Jorge, M., Gómez, S., den Toonder, J., Wang, Y. & Passier, R. In vitro approaches to mimic cardiac mechanical load dynamics for enhancing maturation and disease modelling. Cardiovasc. Res. 121, 2484–2502 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Richards, D. J. et al. Nanowires and electrical stimulation synergistically improve functions of hiPSC cardiac spheroids. Nano Lett. 16, 4670–4678 (2016).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Sterckel, S., Passier, R. & Rivera-Arbelaez, J. M. Electrical stimulation: a missing key to promote maturation of human pluripotent stem cell-derived cardiomyocytes in three-dimensional cardiac tissues. Front. Bioeng. Biotechnol. 13, 1686342 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jang, M. et al. Interaction of cardiomyocytes from CCND2-overexpressing human induced pluripotent stem cells with electrically conductive hydrogels. RSC Adv. 15, 21408–21423 (2025).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Khan, T., Vadivel, G., Ayyasamy, K., Murugesan, G. & Sebaey, T. A. Advances in conductive biomaterials for cardiac tissue engineering: design, fabrication, and functional integration. Polymers https://doi.org/10.3390/polym17050620 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ghovvati, M., Kharaziha, M., Ardehali, R. & Annabi, N. Recent advances in designing electroconductive biomaterials for cardiac tissue engineering. Adv. Healthc. Mater. 11, 2200055 (2022).

    Article 
    CAS 

    Google Scholar
     

  • Chen, J. et al. An injectable hydrogel based on phenylboronic acid hyperbranched macromer encapsulating gold nanorods and astragaloside IV nanodrug for myocardial infarction. Chem. Eng. J. 413, 127423 (2021).

    Article 
    CAS 

    Google Scholar
     

  • Navaei, A. et al. Gold nanorod-incorporated gelatin-based conductive hydrogels for engineering cardiac tissue constructs. Acta Biomater. 41, 133–146 (2016).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Shin, S. R. et al. Carbon-nanotube-embedded hydrogel sheets for engineering cardiac constructs and bioactuators. ACS Nano 7, 2369–2380 (2013).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Zimmermann, W. H. et al. Engineered heart tissue grafts improve systolic and diastolic function in infarcted rat hearts. Nat. Med. 12, 452–458 (2006).

    Article 
    CAS 
    PubMed 

    Google Scholar
     

  • Gao, C., Lu, K., Ye, W., Li, L. & Cheng, L. Reconstruction of the architecture of ventricular myocardial fibers in ex vivo human hearts. Heart Surg. Forum 12, E225–E229 (2009).

    Article 
    PubMed 

    Google Scholar
     

  • Fang, Y. et al. Scalable fabrication of aligned myocardial tissues with native-like helical architecture for heart repair. Cell Biomater. https://doi.org/10.1016/j.celbio.2025.100306 (2026).

    Article 

    Google Scholar
     

  • Ripplinger, C. M. et al. Guidelines for assessment of cardiac electrophysiology and arrhythmias in small animals. Am. J. Physiol. Heart Circ. Physiol. 323, H1137–H1166 (2022).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Schüttler, D. et al. A practical guide to setting up pig models for cardiovascular catheterization, electrophysiological assessment and heart disease research. Lab. Anim. 51, 46–67 (2022).

    Article 

    Google Scholar
     

  • Chong, J. J. et al. Human embryonic-stem-cell-derived cardiomyocytes regenerate non-human primate hearts. Nature 510, 273–277 (2014).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Romagnuolo, R. et al. Human embryonic stem cell-derived cardiomyocytes regenerate the infarcted pig heart but induce ventricular tachyarrhythmias. Stem Cell Rep. 12, 967–981 (2019).

    Article 

    Google Scholar
     

  • Sridharan, D. et al. Preclinical large animal porcine models for cardiac regeneration and its clinical translation: role of hiPSC-derived cardiomyocytes. Cells 12, 1090 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Ye, L. et al. Cardiac repair in a porcine model of acute myocardial infarction with human induced pluripotent stem cell-derived cardiovascular cells. Cell Stem Cell 15, 750–761 (2014).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Kawaguchi, S. et al. Intramyocardial transplantation of human iPS cell-derived cardiac spheroids improves cardiac function in heart failure animals. JACC Basic Transl. Sci. 6, 239–254 (2021).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Zhang, H. et al. Reviving hearts, restoring lives: long-term outcomes of allogeneic iPSC-cardiomyocytes transplantation for advanced heart failure patients. JACC Basic Transl. Sci. 10, 253–255 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Silver, S. E., Barrs, R. W. & Mei, Y. Transplantation of human pluripotent stem cell-derived cardiomyocytes for cardiac regenerative therapy. Front. Cardiovasc. Med. 8, 707890 (2021).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Gibbs, C. E. et al. Graft-host coupling changes can lead to engraftment arrhythmia: a computational study. J. Physiol. 601, 2733–2749 (2023).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Jiménez-Sábado, V. et al. Electrophysiological phenotyping of hiPSC-derived atrial cardiomyocytes using automated patch-clamp: a platform for studying atrial inherited arrhythmias. Cells 14, 1941 (2025).

    Article 
    PubMed 
    PubMed Central 

    Google Scholar
     

  • Nguyen, C. T., Dawkins, J., Bi, X., Marbán, E. & Li, D. Diffusion tensor cardiac magnetic resonance reveals exosomes from cardiosphere-derived cells preserve myocardial fiber architecture after myocardial infarction. JACC Basic Transl. Sci. 3, 97–109 (2018).

    Article 
    PubMed 

    Google Scholar
     

  • Obiweluozor, F. O. et al. Considerations in the development of small-diameter vascular graft as an alternative for bypass and reconstructive surgeries: a review. Cardiovasc. Eng. Technol. 11, 495–521 (2020).

    Article 
    PubMed 

    Google Scholar
     

  • Liu, T. et al. Advanced cardiac patches for the treatment of myocardial infarction. Circulation 149, 2002–2020 (2024).

    Article 
    CAS 
    PubMed 
    PubMed Central 

    Google Scholar
     

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