Transcriptional landscape of myogenesis from human pluripotent stem cells reveals a key role of TWIST1 in maintenance of skeletal muscle progenitors

In Young Choi; Hotae Lim; Hyeon Jin Cho; Yohan Oh; Bin Kuan Chou; Hao Bai; Linzhao Cheng; Yong Jun Kim; Sanghwan Hyun; Hyesoo Kim; Joo Heon Shin; Gabsang Lee

doi:10.7554/eLife.46981

Transcriptional landscape of myogenesis from human pluripotent stem cells reveals a key role of TWIST1 in maintenance of skeletal muscle progenitors

In Young Choi, Hotae Lim, Hyeon Jin Cho, Yohan Oh, Bin Kuan Chou, Hao Bai, Linzhao Cheng, Yong Jun Kim, Sanghwan Hyun, Hyesoo Kim, Joo Heon Shin, Gabsang Lee

School of Medicine

Research output: Contribution to journal › Article

Abstract

Generation of skeletal muscle cells with human pluripotent stem cells (hPSCs) opens new avenues for deciphering essential, but poorly understood aspects of transcriptional regulation in human myogenic specification. In this study, we characterized the transcriptional landscape of distinct human myogenic stages, including OCT4::EGFP+ pluripotent stem cells, MSGN1::EGFP+ presomite cells, PAX7::EGFP+ skeletal muscle progenitor cells, MYOG::EGFP+ myoblasts, and multinucleated myotubes. We defined signature gene expression profiles from each isolated cell population with unbiased clustering analysis, which provided unique insights into the transcriptional dynamics of human myogenesis from undifferentiated hPSCs to fully differentiated myotubes. Using a knock-out strategy, we identified TWIST1 as a critical factor in maintenance of human PAX7::EGFP+ putative skeletal muscle progenitor cells. Our data revealed a new role of TWIST1 in human skeletal muscle progenitors, and we have established a foundation to identify transcriptional regulations of human myogenic ontogeny (online database can be accessed in http://www. myogenesis.net/).

Original language	English (US)
Article number	e46981
Journal	eLife
Volume	9
DOIs	https://doi.org/10.7554/eLife.46981
State	Published - Feb 2020

ASJC Scopus subject areas

Neuroscience(all)
Immunology and Microbiology(all)
Biochemistry, Genetics and Molecular Biology(all)

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Choi, I. Y., Lim, H., Cho, H. J., Oh, Y., Chou, B. K., Bai, H., Cheng, L., Kim, Y. J., Hyun, S., Kim, H., Shin, J. H., & Lee, G. (2020). Transcriptional landscape of myogenesis from human pluripotent stem cells reveals a key role of TWIST1 in maintenance of skeletal muscle progenitors. eLife, 9, [e46981]. https://doi.org/10.7554/eLife.46981

Transcriptional landscape of myogenesis from human pluripotent stem cells reveals a key role of TWIST1 in maintenance of skeletal muscle progenitors. / Choi, In Young; Lim, Hotae; Cho, Hyeon Jin; Oh, Yohan; Chou, Bin Kuan; Bai, Hao; Cheng, Linzhao; Kim, Yong Jun; Hyun, Sanghwan; Kim, Hyesoo ; Shin, Joo Heon ; Lee, Gabsang.

In: eLife, Vol. 9, e46981, 02.2020.

Research output: Contribution to journal › Article

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abstract = "Generation of skeletal muscle cells with human pluripotent stem cells (hPSCs) opens new avenues for deciphering essential, but poorly understood aspects of transcriptional regulation in human myogenic specification. In this study, we characterized the transcriptional landscape of distinct human myogenic stages, including OCT4::EGFP+ pluripotent stem cells, MSGN1::EGFP+ presomite cells, PAX7::EGFP+ skeletal muscle progenitor cells, MYOG::EGFP+ myoblasts, and multinucleated myotubes. We defined signature gene expression profiles from each isolated cell population with unbiased clustering analysis, which provided unique insights into the transcriptional dynamics of human myogenesis from undifferentiated hPSCs to fully differentiated myotubes. Using a knock-out strategy, we identified TWIST1 as a critical factor in maintenance of human PAX7::EGFP+ putative skeletal muscle progenitor cells. Our data revealed a new role of TWIST1 in human skeletal muscle progenitors, and we have established a foundation to identify transcriptional regulations of human myogenic ontogeny (online database can be accessed in http://www. myogenesis.net/).",

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