Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.

Currently, cardiomyocyte (CM) differentiation methods require a purification step after CM induction to ensure the high purity of the cell population. Here we show an improved human CM differentiation protocol with which high-purity ventricular-type CMs can be obtained and maintained without any CM...

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Main Authors: Hiroyuki Fukushima, Miki Yoshioka, Masahide Kawatou, Víctor López-Dávila, Masafumi Takeda, Yasunari Kanda, Yuko Sekino, Yoshinori Yoshida, Jun K Yamashita
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2020-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0241287
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author Hiroyuki Fukushima
Miki Yoshioka
Masahide Kawatou
Víctor López-Dávila
Masafumi Takeda
Yasunari Kanda
Yuko Sekino
Yoshinori Yoshida
Jun K Yamashita
author_facet Hiroyuki Fukushima
Miki Yoshioka
Masahide Kawatou
Víctor López-Dávila
Masafumi Takeda
Yasunari Kanda
Yuko Sekino
Yoshinori Yoshida
Jun K Yamashita
author_sort Hiroyuki Fukushima
collection DOAJ
description Currently, cardiomyocyte (CM) differentiation methods require a purification step after CM induction to ensure the high purity of the cell population. Here we show an improved human CM differentiation protocol with which high-purity ventricular-type CMs can be obtained and maintained without any CM purification process. We induced and collected a mesodermal cell population (platelet-derived growth factor receptor-α (PDGFRα)-positive cells) that can respond to CM differentiation cues, and then stimulated CM differentiation by means of Wnt inhibition. This method reproducibly generated CMs with purities above 95% in several human pluripotent stem cell lines. Furthermore, these CM populations were maintained in culture at such high purity without any further CM purification step for over 200 days. The majority of these CMs (>95%) exhibited a ventricular-like phenotype with a tendency to structural and electrophysiological maturation, including T-tubule-like structure formation and the ability to respond to QT prolongation drugs. This is a simple and valuable method to stably generate CM populations suitable for cardiac toxicology testing, disease modeling and regenerative medicine.
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spelling doaj.art-3b2ecb5d3fd7405295612bd0a6aef1812022-12-21T23:12:10ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-011511e024128710.1371/journal.pone.0241287Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.Hiroyuki FukushimaMiki YoshiokaMasahide KawatouVíctor López-DávilaMasafumi TakedaYasunari KandaYuko SekinoYoshinori YoshidaJun K YamashitaCurrently, cardiomyocyte (CM) differentiation methods require a purification step after CM induction to ensure the high purity of the cell population. Here we show an improved human CM differentiation protocol with which high-purity ventricular-type CMs can be obtained and maintained without any CM purification process. We induced and collected a mesodermal cell population (platelet-derived growth factor receptor-α (PDGFRα)-positive cells) that can respond to CM differentiation cues, and then stimulated CM differentiation by means of Wnt inhibition. This method reproducibly generated CMs with purities above 95% in several human pluripotent stem cell lines. Furthermore, these CM populations were maintained in culture at such high purity without any further CM purification step for over 200 days. The majority of these CMs (>95%) exhibited a ventricular-like phenotype with a tendency to structural and electrophysiological maturation, including T-tubule-like structure formation and the ability to respond to QT prolongation drugs. This is a simple and valuable method to stably generate CM populations suitable for cardiac toxicology testing, disease modeling and regenerative medicine.https://doi.org/10.1371/journal.pone.0241287
spellingShingle Hiroyuki Fukushima
Miki Yoshioka
Masahide Kawatou
Víctor López-Dávila
Masafumi Takeda
Yasunari Kanda
Yuko Sekino
Yoshinori Yoshida
Jun K Yamashita
Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
PLoS ONE
title Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
title_full Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
title_fullStr Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
title_full_unstemmed Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
title_short Specific induction and long-term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells.
title_sort specific induction and long term maintenance of high purity ventricular cardiomyocytes from human induced pluripotent stem cells
url https://doi.org/10.1371/journal.pone.0241287
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