Abstract
Although the adult mammalian myocardium exhibits a limited ability to undergo regenerative growth, its intrinsic renewal rate is insufficient to compensate for myocyte loss during cardiac disease. Transplantation of donor cardiomyocytes or cardiomyogenic stem cells is considered a promising strategy for reconstitution of cardiac mass, provided the engrafted cells functionally integrate with host myocardium and actively contribute to its contractile force. The authors previously developed a two-photon fluorescence microscopy-based assay that allows in situ screening of donor cell function after intracardiac delivery of the cells. This report reviews the techniques of two-photon fluorescence microscopy and summarizes its application for quantifying the extent to which a variety of donor cell types stably and functionally couple with the recipient myocardium.
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This study was supported by NIH grant RO1HL075165 to Michael Rubart and the Riley Children’s Foundation.
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Tao, W., Soonpaa, M.H., Field, L.J. et al. Functional Screening of Intracardiac Cell Transplants Using Two-Photon Fluorescence Microscopy. Pediatr Cardiol 33, 929–937 (2012). https://doi.org/10.1007/s00246-012-0314-8
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DOI: https://doi.org/10.1007/s00246-012-0314-8